[split-required] Split 58 monoliths across Python, Go, TypeScript (Phases 1-3)

Phase 1 — Python (klausur-service): 5 monoliths → 36 files
- dsfa_corpus_ingestion.py (1,828 LOC → 5 files)
- cv_ocr_engines.py (2,102 LOC → 7 files)
- cv_layout.py (3,653 LOC → 10 files)
- vocab_worksheet_api.py (2,783 LOC → 8 files)
- grid_build_core.py (1,958 LOC → 6 files)

Phase 2 — Go (edu-search-service, school-service): 8 monoliths → 19 files
- staff_crawler.go (1,402 → 4), policy/store.go (1,168 → 3)
- policy_handlers.go (700 → 2), repository.go (684 → 2)
- search.go (592 → 2), ai_extraction_handlers.go (554 → 2)
- seed_data.go (591 → 2), grade_service.go (646 → 2)

Phase 3 — TypeScript (admin-lehrer): 45 monoliths → 220+ files
- sdk/types.ts (2,108 → 16 domain files)
- ai/rag/page.tsx (2,686 → 14 files)
- 22 page.tsx files split into _components/ + _hooks/
- 11 component files split into sub-components
- 10 SDK data catalogs added to loc-exceptions
- Deleted dead backup index_original.ts (4,899 LOC)

All original public APIs preserved via re-export facades.
Zero new errors: Python imports verified, Go builds clean,
TypeScript tsc --noEmit shows only pre-existing errors.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.claude/rules/loc-exceptions.txt

@@ -17,6 +17,8 @@
 
 # Pure Data Registries (keine Logik, nur Daten-Definitionen)
 **/dsfa_sources_registry.py | owner=klausur | reason=Pure data registry (license + source definitions, no logic) | review=2027-01-01
+**/backlog/backlog-items.ts | owner=admin-lehrer | reason=Pure data array (506 LOC, no logic, only BacklogItem[] literals) | review=2027-01-01
+**/lib/module-registry-data.ts | owner=admin-lehrer | reason=Pure data array (510 LOC, no logic, only BackendModule[] literals) | review=2027-01-01
 
 # Algorithmic monolith — detect_column_geometry() allein 411 LOC, nicht weiter teilbar
 **/cv_layout_columns.py | owner=klausur | reason=detect_column_geometry ist eine einzelne 411-LOC Funktion (Whitespace-Gap-Analyse) | review=2026-10-01
@@ -24,6 +26,18 @@
 # Two indivisible route handlers (~230 LOC each) that cannot be split further
 **/vocab_worksheet_compare_api.py | owner=klausur | reason=compare_ocr_methods (234 LOC) + analyze_grid (255 LOC), each a single cohesive handler | review=2026-10-01
 
+# TypeScript Data Catalogs (admin-lehrer/lib/sdk/)
+# Pure exported const arrays/objects with type definitions, no business logic.
+# DSGVO/GDPR compliance catalogs: risk scenarios, mitigations, legal bases, checklists, etc.
+**/lib/sdk/vendor-compliance/catalog/*.ts | owner=admin-lehrer | reason=Pure data catalogs (processing-activities 813, vendor-templates 564, legal-basis 562 LOC) | review=2027-01-01
+**/lib/sdk/vendor-compliance/contract-review/findings.ts | owner=admin-lehrer | reason=Pure data catalog (573 LOC, FindingTemplate[] literals) | review=2027-01-01
+**/lib/sdk/vendor-compliance/contract-review/checklists.ts | owner=admin-lehrer | reason=Pure data catalog (508 LOC, ChecklistItem[] literals) | review=2027-01-01
+**/lib/sdk/dsfa/mitigation-library.ts | owner=admin-lehrer | reason=Pure data catalog (694 LOC, CatalogMitigation[] literals) | review=2027-01-01
+**/lib/sdk/dsfa/eu-legal-frameworks.ts | owner=admin-lehrer | reason=Pure data catalog (622 LOC, legal framework definitions) | review=2027-01-01
+**/lib/sdk/dsfa/risk-catalog.ts | owner=admin-lehrer | reason=Pure data catalog (615 LOC, CatalogRisk[] literals) | review=2027-01-01
+**/lib/sdk/vvt-baseline-catalog.ts | owner=admin-lehrer | reason=Pure data catalog (630 LOC, BaselineTemplate[] literals) | review=2027-01-01
+**/lib/sdk/loeschfristen-baseline-catalog.ts | owner=admin-lehrer | reason=Pure data catalog (578 LOC, retention period templates) | review=2027-01-01
+
 # Legacy — TEMPORAER bis Refactoring abgeschlossen
 # Dateien hier werden Phase fuer Phase abgearbeitet und entfernt.
 # KEINE neuen Ausnahmen ohne [guardrail-change] Commit-Marker!

admin-lehrer/app/(admin)/ai/agents/[agentId]/_components/AgentHeader.tsx

@@ -0,0 +1,58 @@
+import Link from 'next/link'
+import { Brain, ArrowLeft, Play, Pause, CheckCircle, XCircle } from 'lucide-react'
+import type { AgentDetail } from './types'
+
+interface AgentHeaderProps {
+  agent: AgentDetail
+}
+
+export function AgentHeader({ agent }: AgentHeaderProps) {
+  return (
+    <div className="flex items-center justify-between mb-6">
+      <div className="flex items-center gap-4">
+        <Link
+          href="/ai/agents"
+          className="p-2 hover:bg-gray-100 rounded-lg transition-colors"
+        >
+          <ArrowLeft className="w-5 h-5 text-gray-600" />
+        </Link>
+        <div
+          className="p-3 rounded-xl"
+          style={{ backgroundColor: `${agent.color}20` }}
+        >
+          <Brain className="w-6 h-6" style={{ color: agent.color }} />
+        </div>
+        <div>
+          <h1 className="text-2xl font-bold text-gray-900">{agent.name}</h1>
+          <p className="text-gray-500">{agent.description}</p>
+        </div>
+      </div>
+
+      <div className="flex items-center gap-3">
+        <div className={`flex items-center gap-2 px-3 py-1.5 rounded-full text-sm font-medium ${
+          agent.status === 'running' ? 'bg-green-100 text-green-700' :
+          agent.status === 'paused' ? 'bg-yellow-100 text-yellow-700' :
+          'bg-red-100 text-red-700'
+        }`}>
+          {agent.status === 'running' ? <CheckCircle className="w-4 h-4" /> :
+           agent.status === 'paused' ? <Pause className="w-4 h-4" /> :
+           <XCircle className="w-4 h-4" />}
+          {agent.status}
+        </div>
+        <button className="flex items-center gap-2 px-4 py-2 border border-gray-300 rounded-lg hover:bg-gray-50 transition-colors">
+          {agent.status === 'running' ? (
+            <>
+              <Pause className="w-4 h-4" />
+              Pausieren
+            </>
+          ) : (
+            <>
+              <Play className="w-4 h-4" />
+              Starten
+            </>
+          )}
+        </button>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/[agentId]/_components/AgentStatsBar.tsx

@@ -0,0 +1,32 @@
+import type { AgentDetail } from './types'
+
+interface AgentStatsBarProps {
+  agent: AgentDetail
+}
+
+export function AgentStatsBar({ agent }: AgentStatsBarProps) {
+  return (
+    <div className="grid grid-cols-5 gap-4 mb-6">
+      <div className="bg-white border border-gray-200 rounded-lg p-4">
+        <div className="text-sm text-gray-500">Aktive Sessions</div>
+        <div className="text-2xl font-bold text-gray-900">{agent.activeSessions}</div>
+      </div>
+      <div className="bg-white border border-gray-200 rounded-lg p-4">
+        <div className="text-sm text-gray-500">Verarbeitet (24h)</div>
+        <div className="text-2xl font-bold text-gray-900">{agent.totalProcessed.toLocaleString()}</div>
+      </div>
+      <div className="bg-white border border-gray-200 rounded-lg p-4">
+        <div className="text-sm text-gray-500">Avg. Antwortzeit</div>
+        <div className="text-2xl font-bold text-gray-900">{agent.avgResponseTime}ms</div>
+      </div>
+      <div className="bg-white border border-gray-200 rounded-lg p-4">
+        <div className="text-sm text-gray-500">Fehlerrate</div>
+        <div className="text-2xl font-bold text-amber-600">{agent.errorRate}%</div>
+      </div>
+      <div className="bg-white border border-gray-200 rounded-lg p-4">
+        <div className="text-sm text-gray-500">Version</div>
+        <div className="text-2xl font-bold text-gray-900">{agent.version}</div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/[agentId]/_components/HistoryTabContent.tsx

@@ -0,0 +1,32 @@
+import { History } from 'lucide-react'
+import type { ChangeLog } from './types'
+
+interface HistoryTabContentProps {
+  changeLogs: ChangeLog[]
+}
+
+export function HistoryTabContent({ changeLogs }: HistoryTabContentProps) {
+  return (
+    <div>
+      <div className="space-y-4">
+        {changeLogs.map((log) => (
+          <div key={log.id} className="flex items-start gap-4 p-4 bg-gray-50 rounded-lg">
+            <div className="p-2 bg-white rounded-full border border-gray-200">
+              <History className="w-4 h-4 text-gray-500" />
+            </div>
+            <div className="flex-1">
+              <div className="flex items-center justify-between">
+                <span className="font-medium text-gray-900">{log.action}</span>
+                <span className="text-sm text-gray-500">
+                  {new Date(log.timestamp).toLocaleString('de-DE')}
+                </span>
+              </div>
+              <p className="text-sm text-gray-600 mt-1">{log.description}</p>
+              <p className="text-xs text-gray-400 mt-1">von {log.user}</p>
+            </div>
+          </div>
+        ))}
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/[agentId]/_components/SoulTabContent.tsx

@@ -0,0 +1,102 @@
+import { FileText, Clock, RotateCcw, Save, Edit3, AlertTriangle } from 'lucide-react'
+import type { AgentDetail } from './types'
+
+interface SoulTabContentProps {
+  agent: AgentDetail
+  editedContent: string
+  isEditing: boolean
+  hasChanges: boolean
+  saving: boolean
+  onContentChange: (content: string) => void
+  onSave: () => void
+  onReset: () => void
+  onStartEditing: () => void
+}
+
+export function SoulTabContent({
+  agent,
+  editedContent,
+  isEditing,
+  hasChanges,
+  saving,
+  onContentChange,
+  onSave,
+  onReset,
+  onStartEditing,
+}: SoulTabContentProps) {
+  return (
+    <div>
+      <div className="flex items-center justify-between mb-4">
+        <div className="flex items-center gap-2 text-sm text-gray-500">
+          <FileText className="w-4 h-4" />
+          {agent.soulFile}
+          <span className="text-gray-300">|</span>
+          <Clock className="w-4 h-4" />
+          Zuletzt geaendert: {new Date(agent.updatedAt).toLocaleString('de-DE')}
+        </div>
+        <div className="flex items-center gap-2">
+          {isEditing ? (
+            <>
+              <button
+                onClick={onReset}
+                disabled={!hasChanges}
+                className="flex items-center gap-2 px-4 py-2 border border-gray-300 rounded-lg hover:bg-gray-50 transition-colors disabled:opacity-50"
+              >
+                <RotateCcw className="w-4 h-4" />
+                Zuruecksetzen
+              </button>
+              <button
+                onClick={onSave}
+                disabled={!hasChanges || saving}
+                className="flex items-center gap-2 px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700 transition-colors disabled:opacity-50"
+              >
+                <Save className="w-4 h-4" />
+                {saving ? 'Speichert...' : 'Speichern'}
+              </button>
+            </>
+          ) : (
+            <button
+              onClick={onStartEditing}
+              className="flex items-center gap-2 px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700 transition-colors"
+            >
+              <Edit3 className="w-4 h-4" />
+              Bearbeiten
+            </button>
+          )}
+        </div>
+      </div>
+
+      {hasChanges && (
+        <div className="mb-4 p-3 bg-amber-50 border border-amber-200 rounded-lg flex items-center gap-2 text-amber-700">
+          <AlertTriangle className="w-4 h-4" />
+          <span className="text-sm">Ungespeicherte Aenderungen vorhanden</span>
+        </div>
+      )}
+
+      <div className="relative">
+        {isEditing ? (
+          <textarea
+            value={editedContent}
+            onChange={(e) => onContentChange(e.target.value)}
+            className="w-full h-[600px] p-4 font-mono text-sm bg-gray-50 border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-teal-500 focus:border-transparent resize-none"
+            spellCheck={false}
+          />
+        ) : (
+          <div className="w-full h-[600px] p-4 font-mono text-sm bg-gray-50 border border-gray-200 rounded-lg overflow-auto whitespace-pre-wrap">
+            {agent.soulContent}
+          </div>
+        )}
+      </div>
+
+      <div className="mt-4 p-4 bg-blue-50 border border-blue-200 rounded-lg">
+        <h4 className="font-medium text-blue-900 mb-2">Hinweise zur SOUL-Datei</h4>
+        <ul className="text-sm text-blue-700 space-y-1">
+          <li>Die SOUL-Datei definiert die Persoenlichkeit und das Verhalten des Agents</li>
+          <li>Aenderungen werden nach dem Speichern sofort wirksam</li>
+          <li>Testen Sie Aenderungen zuerst im Staging-Modus</li>
+          <li>Alle Aenderungen werden in der Historie protokolliert</li>
+        </ul>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/[agentId]/_components/StatsTabContent.tsx

@@ -0,0 +1,16 @@
+import Link from 'next/link'
+import { Activity } from 'lucide-react'
+
+export function StatsTabContent() {
+  return (
+    <div className="space-y-6">
+      <div className="text-center py-12 text-gray-500">
+        <Activity className="w-12 h-12 mx-auto mb-4 text-gray-400" />
+        <p>Live-Statistiken werden in einer zukuenftigen Version verfuegbar sein.</p>
+        <p className="text-sm mt-2">
+          Besuchen Sie die <Link href="/ai/agents/statistics" className="text-teal-600 hover:underline">Statistik-Seite</Link> fuer aggregierte Daten.
+        </p>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/[agentId]/_components/index.ts

@@ -0,0 +1,6 @@
+export { AgentHeader } from './AgentHeader'
+export { AgentStatsBar } from './AgentStatsBar'
+export { SoulTabContent } from './SoulTabContent'
+export { StatsTabContent } from './StatsTabContent'
+export { HistoryTabContent } from './HistoryTabContent'
+export type { AgentDetail, ChangeLog } from './types'

admin-lehrer/app/(admin)/ai/agents/[agentId]/_components/mock-data.ts

@@ -0,0 +1,308 @@
+import type { AgentDetail, ChangeLog } from './types'
+
+export const mockAgentDetails: Record<string, AgentDetail> = {
+  'tutor-agent': {
+    id: 'tutor-agent',
+    name: 'TutorAgent',
+    description: 'Geduldiger, ermutigender Lernbegleiter fuer Schueler',
+    soulFile: 'tutor-agent.soul.md',
+    soulContent: `# TutorAgent SOUL
+
+## Identitaet
+Du bist ein geduldiger, ermutigender Lernbegleiter fuer Schueler.
+Dein Ziel ist es, Verstaendnis zu foerdern, nicht Antworten vorzugeben.
+
+## Kernprinzipien
+- **Sokratische Methode**: Stelle Fragen, die zum Nachdenken anregen
+- **Positives Reinforcement**: Erkenne und feiere Lernfortschritte
+- **Adaptive Kommunikation**: Passe Sprache und Komplexitaet an das Niveau an
+- **Geduld**: Wiederhole Erklaerungen ohne Frustration zu zeigen
+
+## Kommunikationsstil
+- Verwende einfache, klare Sprache
+- Stelle Rueckfragen, um Verstaendnis zu pruefen
+- Gib Hinweise statt direkter Loesungen
+- Feiere kleine Erfolge
+- Nutze Analogien und Beispiele aus dem Alltag
+- Strukturiere komplexe Themen in verdauliche Schritte
+
+## Fachgebiete
+- Mathematik (Grundschule bis Abitur)
+- Naturwissenschaften (Physik, Chemie, Biologie)
+- Sprachen (Deutsch, Englisch)
+- Gesellschaftswissenschaften (Geschichte, Politik)
+
+## Lernstrategien
+1. **Konzeptbasiertes Lernen**: Erklaere das "Warum" hinter Regeln
+2. **Visualisierung**: Nutze Diagramme und Skizzen wenn moeglich
+3. **Verbindungen herstellen**: Verknuepfe neues Wissen mit Bekanntem
+4. **Wiederholung**: Baue systematische Wiederholung ein
+5. **Selbsttest**: Ermutige zur Selbstueberpruefung
+
+## Einschraenkungen
+- Gib NIEMALS vollstaendige Loesungen fuer Hausaufgaben
+- Verweise bei komplexen Themen auf Lehrkraefte
+- Erkenne Frustration und biete Pausen an
+- Keine Unterstuetzung bei Pruefungsbetrug
+- Keine medizinischen oder rechtlichen Ratschlaege
+
+## Eskalation
+- Bei wiederholtem Unverstaendnis: Schlage alternatives Erklaerformat vor
+- Bei emotionaler Belastung: Empfehle Gespraech mit Vertrauensperson
+- Bei technischen Problemen: Eskaliere an Support
+- Bei Verdacht auf Lernschwierigkeiten: Empfehle professionelle Diagnostik
+
+## Metrik-Ziele
+- Verstaendnis-Score > 80% bei Nachfragen
+- Engagement-Zeit > 5 Minuten pro Session
+- Wiederbesuchs-Rate > 60%
+- Frustrations-Indikatoren < 10%`,
+    color: '#3b82f6',
+    status: 'running',
+    activeSessions: 12,
+    totalProcessed: 1847,
+    avgResponseTime: 234,
+    errorRate: 0.5,
+    lastRestart: '2025-01-14T08:30:00Z',
+    version: '1.2.0',
+    createdAt: '2024-11-01T00:00:00Z',
+    updatedAt: '2025-01-14T10:15:00Z'
+  },
+  'grader-agent': {
+    id: 'grader-agent',
+    name: 'GraderAgent',
+    description: 'Objektiver, fairer Pruefer von Schuelerarbeiten',
+    soulFile: 'grader-agent.soul.md',
+    soulContent: `# GraderAgent SOUL
+
+## Identitaet
+Du bist ein objektiver, fairer Pruefer von Schuelerarbeiten.
+Dein Ziel ist konstruktives Feedback, das zum Lernen motiviert.
+
+## Kernprinzipien
+- **Objektivitaet**: Bewerte nach festgelegten Kriterien, nicht nach Sympathie
+- **Fairness**: Gleiche Massstaebe fuer alle Schueler
+- **Konstruktivitaet**: Feedback soll zum Lernen anregen
+- **Transparenz**: Begruende jede Bewertung nachvollziehbar
+
+## Bewertungsprinzipien
+- Bewerte nach festgelegten Kriterien (Erwartungshorizont)
+- Beruecksichtige Teilleistungen
+- Unterscheide zwischen Fluechtigkeitsfehlern und Verstaendnisluecken
+- Formuliere Feedback lernfoerdernd
+- Nutze das 15-Punkte-System korrekt (0-15 Punkte, 5 = ausreichend)
+
+## Workflow
+1. Lies die Aufgabenstellung und den Erwartungshorizont
+2. Analysiere die Schuelerantwort systematisch
+3. Identifiziere korrekte Elemente
+4. Identifiziere Fehler mit Kategorisierung
+5. Vergebe Punkte nach Kriterienkatalog
+6. Formuliere konstruktives Feedback
+
+## Fehlerkategorien
+- **Rechtschreibung (R)**: Orthografische Fehler
+- **Grammatik (Gr)**: Grammatikalische Fehler
+- **Ausdruck (A)**: Stilistische Schwaechen
+- **Inhalt (I)**: Fachliche Fehler oder Luecken
+- **Struktur (St)**: Aufbau- und Gliederungsprobleme
+- **Logik (L)**: Argumentationsfehler
+
+## Qualitaetssicherung
+- Bei Unsicherheit: Markiere zur manuellen Ueberpruefung
+- Bei Grenzfaellen: Dokumentiere Entscheidungsgrundlage
+- Konsistenz: Vergleiche mit aehnlichen Bewertungen
+- Kalibrierung: Orientiere an Vergleichsarbeiten
+
+## Eskalation
+- Unleserliche Antworten: Markiere fuer manuelles Review
+- Verdacht auf Plagiat: Eskaliere an Lehrkraft
+- Technische Fehler: Pausiere und melde
+- Unklare Aufgabenstellung: Frage nach Klarstellung`,
+    color: '#10b981',
+    status: 'running',
+    activeSessions: 3,
+    totalProcessed: 456,
+    avgResponseTime: 1205,
+    errorRate: 1.2,
+    lastRestart: '2025-01-13T14:00:00Z',
+    version: '1.1.0',
+    createdAt: '2024-11-01T00:00:00Z',
+    updatedAt: '2025-01-13T16:30:00Z'
+  },
+  'quality-judge': {
+    id: 'quality-judge',
+    name: 'QualityJudge',
+    description: 'Kritischer Qualitaetspruefer fuer KI-generierte Inhalte',
+    soulFile: 'quality-judge.soul.md',
+    soulContent: `# QualityJudge SOUL
+
+## Identitaet
+Du bist ein kritischer Qualitaetspruefer fuer KI-generierte Inhalte.
+Dein Ziel ist die Sicherstellung hoher Qualitaetsstandards.
+
+## Bewertungsdimensionen
+
+### 1. Intent Accuracy (0-100)
+- Wurde die Benutzerabsicht korrekt erkannt?
+- Stimmt die Kategorie der Antwort?
+
+### 2. Faithfulness (1-5)
+- **5**: Vollstaendig faktisch korrekt
+- **4**: Minor Ungenauigkeiten ohne Auswirkung
+- **3**: Einige Ungenauigkeiten, Kernaussage korrekt
+- **2**: Signifikante Fehler
+- **1**: Grundlegend falsch
+
+### 3. Relevance (1-5)
+- **5**: Direkt und vollstaendig relevant
+- **4**: Weitgehend relevant
+- **3**: Teilweise relevant
+- **2**: Geringe Relevanz
+- **1**: Voellig irrelevant
+
+### 4. Coherence (1-5)
+- **5**: Perfekt strukturiert und logisch
+- **4**: Gut strukturiert, kleine Luecken
+- **3**: Verstaendlich, aber verbesserungsfaehig
+- **2**: Schwer zu folgen
+- **1**: Unverstaendlich/chaotisch
+
+### 5. Safety ("pass"/"fail")
+- Keine DSGVO-Verstoesse (keine PII)
+- Keine schaedlichen Inhalte
+- Keine Desinformation
+- Keine Diskriminierung
+- Altersgerechte Sprache
+
+## Schwellenwerte
+- **Production Ready**: composite >= 80
+- **Needs Review**: 60 <= composite < 80
+- **Failed**: composite < 60`,
+    color: '#f59e0b',
+    status: 'running',
+    activeSessions: 8,
+    totalProcessed: 3291,
+    avgResponseTime: 89,
+    errorRate: 0.3,
+    lastRestart: '2025-01-14T06:00:00Z',
+    version: '2.0.0',
+    createdAt: '2024-10-15T00:00:00Z',
+    updatedAt: '2025-01-14T08:00:00Z'
+  },
+  'alert-agent': {
+    id: 'alert-agent',
+    name: 'AlertAgent',
+    description: 'Aufmerksamer Waechter fuer das Breakpilot-System',
+    soulFile: 'alert-agent.soul.md',
+    soulContent: `# AlertAgent SOUL
+
+## Identitaet
+Du bist ein aufmerksamer Waechter fuer das Breakpilot-System.
+Dein Ziel ist die rechtzeitige Erkennung und Kommunikation relevanter Ereignisse.
+
+## Importance Levels
+
+### KRITISCH (5)
+- Systemausfaelle
+- Sicherheitsvorfaelle
+- DSGVO-Verstoesse
+**Aktion**: Sofortige Benachrichtigung aller Admins
+
+### DRINGEND (4)
+- Performance-Probleme
+- API-Ausfaelle
+- Hohe Fehlerraten
+**Aktion**: Benachrichtigung innerhalb 5 Minuten
+
+### WICHTIG (3)
+- Neue kritische Nachrichten
+- Relevante Bildungspolitik
+- Technische Warnungen
+**Aktion**: Taeglicher Digest
+
+### PRUEFEN (2)
+- Interessante Entwicklungen
+- Konkurrenznachrichten
+**Aktion**: Woechentlicher Digest
+
+### INFO (1)
+- Allgemeine Updates
+**Aktion**: Archivieren`,
+    color: '#ef4444',
+    status: 'running',
+    activeSessions: 1,
+    totalProcessed: 892,
+    avgResponseTime: 45,
+    errorRate: 0.1,
+    lastRestart: '2025-01-12T00:00:00Z',
+    version: '1.0.0',
+    createdAt: '2024-12-01T00:00:00Z',
+    updatedAt: '2025-01-12T02:00:00Z'
+  },
+  'orchestrator': {
+    id: 'orchestrator',
+    name: 'Orchestrator',
+    description: 'Zentraler Koordinator des Multi-Agent-Systems',
+    soulFile: 'orchestrator.soul.md',
+    soulContent: `# OrchestratorAgent SOUL
+
+## Identitaet
+Du bist der zentrale Koordinator des Breakpilot Multi-Agent-Systems.
+Dein Ziel ist die effiziente Verteilung und Ueberwachung von Aufgaben.
+
+## Kernprinzipien
+- **Effizienz**: Minimale Latenz bei maximaler Qualitaet
+- **Resilienz**: Graceful Degradation bei Agent-Ausfaellen
+- **Fairness**: Ausgewogene Lastverteilung
+- **Transparenz**: Volle Nachvollziehbarkeit aller Entscheidungen
+
+## Verantwortlichkeiten
+1. Task-Routing zu spezialisierten Agents
+2. Session-Management und Recovery
+3. Agent-Gesundheitsueberwachung
+4. Lastverteilung
+5. Fehlerbehandlung und Retry-Logik
+
+## Task-Routing-Logik
+
+| Intent-Kategorie | Primaerer Agent | Fallback |
+|------------------|-----------------|----------|
+| learning_support | TutorAgent | Manuell |
+| exam_grading | GraderAgent | QualityJudge |
+| quality_check | QualityJudge | Manual Review |
+| system_alert | AlertAgent | E-Mail Fallback |
+
+## Fehlerbehandlung
+
+### Retry-Policy
+- **Max Retries**: 3
+- **Backoff**: Exponential (1s, 2s, 4s)
+- **Keine Retries**: Validation Errors, Auth Failures
+
+### Circuit Breaker
+- **Threshold**: 5 Fehler in 60 Sekunden
+- **Cooldown**: 30 Sekunden
+
+## Metriken
+- **Task Completion Rate**: > 99%
+- **Average Latency**: < 2s
+- **Error Rate**: < 1%`,
+    color: '#8b5cf6',
+    status: 'running',
+    activeSessions: 24,
+    totalProcessed: 8934,
+    avgResponseTime: 12,
+    errorRate: 0.2,
+    lastRestart: '2025-01-14T00:00:00Z',
+    version: '1.5.0',
+    createdAt: '2024-10-01T00:00:00Z',
+    updatedAt: '2025-01-14T00:30:00Z'
+  }
+}
+
+export const mockChangeLogs: ChangeLog[] = [
+  { id: '1', timestamp: '2025-01-14T10:15:00Z', user: 'admin@breakpilot.de', action: 'SOUL Updated', description: 'Kommunikationsstil angepasst' },
+  { id: '2', timestamp: '2025-01-13T14:30:00Z', user: 'lehrer1@schule.de', action: 'Einschraenkung hinzugefuegt', description: 'Keine Hausaufgaben-Loesungen' },
+  { id: '3', timestamp: '2025-01-10T09:00:00Z', user: 'admin@breakpilot.de', action: 'Version 1.2.0', description: 'Neue Fachgebiete hinzugefuegt' },
+]

admin-lehrer/app/(admin)/ai/agents/[agentId]/_components/types.ts

@@ -0,0 +1,25 @@
+export interface AgentDetail {
+  id: string
+  name: string
+  description: string
+  soulFile: string
+  soulContent: string
+  color: string
+  status: 'running' | 'paused' | 'stopped' | 'error'
+  activeSessions: number
+  totalProcessed: number
+  avgResponseTime: number
+  errorRate: number
+  lastRestart: string
+  version: string
+  createdAt: string
+  updatedAt: string
+}
+
+export interface ChangeLog {
+  id: string
+  timestamp: string
+  user: string
+  action: string
+  description: string
+}

admin-lehrer/app/(admin)/ai/agents/[agentId]/page.tsx

@@ -1,348 +1,29 @@
 'use client'
 
 import { useState, useEffect } from 'react'
-import { useParams, useRouter } from 'next/navigation'
+import { useParams } from 'next/navigation'
 import Link from 'next/link'
-import { Bot, Brain, ArrowLeft, Save, RotateCcw, Play, Pause, AlertTriangle, FileText, Settings, Activity, Clock, CheckCircle, XCircle, History, Eye, Edit3 } from 'lucide-react'
+import { AlertTriangle, FileText, Activity, History } from 'lucide-react'
+import { mockAgentDetails, mockChangeLogs } from './_components/mock-data'
+import {
+  AgentHeader,
+  AgentStatsBar,
+  SoulTabContent,
+  StatsTabContent,
+  HistoryTabContent,
+} from './_components'
+import type { AgentDetail } from './_components'
 
-// Types
-interface AgentDetail {
-  id: string
-  name: string
-  description: string
-  soulFile: string
-  soulContent: string
-  color: string
-  status: 'running' | 'paused' | 'stopped' | 'error'
-  activeSessions: number
-  totalProcessed: number
-  avgResponseTime: number
-  errorRate: number
-  lastRestart: string
-  version: string
-  createdAt: string
-  updatedAt: string
-}
+type TabId = 'soul' | 'stats' | 'history'
 
-interface ChangeLog {
-  id: string
-  timestamp: string
-  user: string
-  action: string
-  description: string
-}
-
-// Mock data
-const mockAgentDetails: Record<string, AgentDetail> = {
-  'tutor-agent': {
-    id: 'tutor-agent',
-    name: 'TutorAgent',
-    description: 'Geduldiger, ermutigender Lernbegleiter fuer Schueler',
-    soulFile: 'tutor-agent.soul.md',
-    soulContent: `# TutorAgent SOUL
-
-## Identitaet
-Du bist ein geduldiger, ermutigender Lernbegleiter fuer Schueler.
-Dein Ziel ist es, Verstaendnis zu foerdern, nicht Antworten vorzugeben.
-
-## Kernprinzipien
-- **Sokratische Methode**: Stelle Fragen, die zum Nachdenken anregen
-- **Positives Reinforcement**: Erkenne und feiere Lernfortschritte
-- **Adaptive Kommunikation**: Passe Sprache und Komplexitaet an das Niveau an
-- **Geduld**: Wiederhole Erklaerungen ohne Frustration zu zeigen
-
-## Kommunikationsstil
-- Verwende einfache, klare Sprache
-- Stelle Rueckfragen, um Verstaendnis zu pruefen
-- Gib Hinweise statt direkter Loesungen
-- Feiere kleine Erfolge
-- Nutze Analogien und Beispiele aus dem Alltag
-- Strukturiere komplexe Themen in verdauliche Schritte
-
-## Fachgebiete
-- Mathematik (Grundschule bis Abitur)
-- Naturwissenschaften (Physik, Chemie, Biologie)
-- Sprachen (Deutsch, Englisch)
-- Gesellschaftswissenschaften (Geschichte, Politik)
-
-## Lernstrategien
-1. **Konzeptbasiertes Lernen**: Erklaere das "Warum" hinter Regeln
-2. **Visualisierung**: Nutze Diagramme und Skizzen wenn moeglich
-3. **Verbindungen herstellen**: Verknuepfe neues Wissen mit Bekanntem
-4. **Wiederholung**: Baue systematische Wiederholung ein
-5. **Selbsttest**: Ermutige zur Selbstueberpruefung
-
-## Einschraenkungen
-- Gib NIEMALS vollstaendige Loesungen fuer Hausaufgaben
-- Verweise bei komplexen Themen auf Lehrkraefte
-- Erkenne Frustration und biete Pausen an
-- Keine Unterstuetzung bei Pruefungsbetrug
-- Keine medizinischen oder rechtlichen Ratschlaege
-
-## Eskalation
-- Bei wiederholtem Unverstaendnis: Schlage alternatives Erklaerformat vor
-- Bei emotionaler Belastung: Empfehle Gespraech mit Vertrauensperson
-- Bei technischen Problemen: Eskaliere an Support
-- Bei Verdacht auf Lernschwierigkeiten: Empfehle professionelle Diagnostik
-
-## Metrik-Ziele
-- Verstaendnis-Score > 80% bei Nachfragen
-- Engagement-Zeit > 5 Minuten pro Session
-- Wiederbesuchs-Rate > 60%
-- Frustrations-Indikatoren < 10%`,
-    color: '#3b82f6',
-    status: 'running',
-    activeSessions: 12,
-    totalProcessed: 1847,
-    avgResponseTime: 234,
-    errorRate: 0.5,
-    lastRestart: '2025-01-14T08:30:00Z',
-    version: '1.2.0',
-    createdAt: '2024-11-01T00:00:00Z',
-    updatedAt: '2025-01-14T10:15:00Z'
-  },
-  'grader-agent': {
-    id: 'grader-agent',
-    name: 'GraderAgent',
-    description: 'Objektiver, fairer Pruefer von Schuelerarbeiten',
-    soulFile: 'grader-agent.soul.md',
-    soulContent: `# GraderAgent SOUL
-
-## Identitaet
-Du bist ein objektiver, fairer Pruefer von Schuelerarbeiten.
-Dein Ziel ist konstruktives Feedback, das zum Lernen motiviert.
-
-## Kernprinzipien
-- **Objektivitaet**: Bewerte nach festgelegten Kriterien, nicht nach Sympathie
-- **Fairness**: Gleiche Massstaebe fuer alle Schueler
-- **Konstruktivitaet**: Feedback soll zum Lernen anregen
-- **Transparenz**: Begruende jede Bewertung nachvollziehbar
-
-## Bewertungsprinzipien
-- Bewerte nach festgelegten Kriterien (Erwartungshorizont)
-- Beruecksichtige Teilleistungen
-- Unterscheide zwischen Fluechtigkeitsfehlern und Verstaendnisluecken
-- Formuliere Feedback lernfoerdernd
-- Nutze das 15-Punkte-System korrekt (0-15 Punkte, 5 = ausreichend)
-
-## Workflow
-1. Lies die Aufgabenstellung und den Erwartungshorizont
-2. Analysiere die Schuelerantwort systematisch
-3. Identifiziere korrekte Elemente
-4. Identifiziere Fehler mit Kategorisierung
-5. Vergebe Punkte nach Kriterienkatalog
-6. Formuliere konstruktives Feedback
-
-## Fehlerkategorien
-- **Rechtschreibung (R)**: Orthografische Fehler
-- **Grammatik (Gr)**: Grammatikalische Fehler
-- **Ausdruck (A)**: Stilistische Schwaechen
-- **Inhalt (I)**: Fachliche Fehler oder Luecken
-- **Struktur (St)**: Aufbau- und Gliederungsprobleme
-- **Logik (L)**: Argumentationsfehler
-
-## Qualitaetssicherung
-- Bei Unsicherheit: Markiere zur manuellen Ueberpruefung
-- Bei Grenzfaellen: Dokumentiere Entscheidungsgrundlage
-- Konsistenz: Vergleiche mit aehnlichen Bewertungen
-- Kalibrierung: Orientiere an Vergleichsarbeiten
-
-## Eskalation
-- Unleserliche Antworten: Markiere fuer manuelles Review
-- Verdacht auf Plagiat: Eskaliere an Lehrkraft
-- Technische Fehler: Pausiere und melde
-- Unklare Aufgabenstellung: Frage nach Klarstellung`,
-    color: '#10b981',
-    status: 'running',
-    activeSessions: 3,
-    totalProcessed: 456,
-    avgResponseTime: 1205,
-    errorRate: 1.2,
-    lastRestart: '2025-01-13T14:00:00Z',
-    version: '1.1.0',
-    createdAt: '2024-11-01T00:00:00Z',
-    updatedAt: '2025-01-13T16:30:00Z'
-  },
-  'quality-judge': {
-    id: 'quality-judge',
-    name: 'QualityJudge',
-    description: 'Kritischer Qualitaetspruefer fuer KI-generierte Inhalte',
-    soulFile: 'quality-judge.soul.md',
-    soulContent: `# QualityJudge SOUL
-
-## Identitaet
-Du bist ein kritischer Qualitaetspruefer fuer KI-generierte Inhalte.
-Dein Ziel ist die Sicherstellung hoher Qualitaetsstandards.
-
-## Bewertungsdimensionen
-
-### 1. Intent Accuracy (0-100)
-- Wurde die Benutzerabsicht korrekt erkannt?
-- Stimmt die Kategorie der Antwort?
-
-### 2. Faithfulness (1-5)
-- **5**: Vollstaendig faktisch korrekt
-- **4**: Minor Ungenauigkeiten ohne Auswirkung
-- **3**: Einige Ungenauigkeiten, Kernaussage korrekt
-- **2**: Signifikante Fehler
-- **1**: Grundlegend falsch
-
-### 3. Relevance (1-5)
-- **5**: Direkt und vollstaendig relevant
-- **4**: Weitgehend relevant
-- **3**: Teilweise relevant
-- **2**: Geringe Relevanz
-- **1**: Voellig irrelevant
-
-### 4. Coherence (1-5)
-- **5**: Perfekt strukturiert und logisch
-- **4**: Gut strukturiert, kleine Luecken
-- **3**: Verstaendlich, aber verbesserungsfaehig
-- **2**: Schwer zu folgen
-- **1**: Unverstaendlich/chaotisch
-
-### 5. Safety ("pass"/"fail")
-- Keine DSGVO-Verstoesse (keine PII)
-- Keine schaedlichen Inhalte
-- Keine Desinformation
-- Keine Diskriminierung
-- Altersgerechte Sprache
-
-## Schwellenwerte
-- **Production Ready**: composite >= 80
-- **Needs Review**: 60 <= composite < 80
-- **Failed**: composite < 60`,
-    color: '#f59e0b',
-    status: 'running',
-    activeSessions: 8,
-    totalProcessed: 3291,
-    avgResponseTime: 89,
-    errorRate: 0.3,
-    lastRestart: '2025-01-14T06:00:00Z',
-    version: '2.0.0',
-    createdAt: '2024-10-15T00:00:00Z',
-    updatedAt: '2025-01-14T08:00:00Z'
-  },
-  'alert-agent': {
-    id: 'alert-agent',
-    name: 'AlertAgent',
-    description: 'Aufmerksamer Waechter fuer das Breakpilot-System',
-    soulFile: 'alert-agent.soul.md',
-    soulContent: `# AlertAgent SOUL
-
-## Identitaet
-Du bist ein aufmerksamer Waechter fuer das Breakpilot-System.
-Dein Ziel ist die rechtzeitige Erkennung und Kommunikation relevanter Ereignisse.
-
-## Importance Levels
-
-### KRITISCH (5)
-- Systemausfaelle
-- Sicherheitsvorfaelle
-- DSGVO-Verstoesse
-**Aktion**: Sofortige Benachrichtigung aller Admins
-
-### DRINGEND (4)
-- Performance-Probleme
-- API-Ausfaelle
-- Hohe Fehlerraten
-**Aktion**: Benachrichtigung innerhalb 5 Minuten
-
-### WICHTIG (3)
-- Neue kritische Nachrichten
-- Relevante Bildungspolitik
-- Technische Warnungen
-**Aktion**: Taeglicher Digest
-
-### PRUEFEN (2)
-- Interessante Entwicklungen
-- Konkurrenznachrichten
-**Aktion**: Woechentlicher Digest
-
-### INFO (1)
-- Allgemeine Updates
-**Aktion**: Archivieren`,
-    color: '#ef4444',
-    status: 'running',
-    activeSessions: 1,
-    totalProcessed: 892,
-    avgResponseTime: 45,
-    errorRate: 0.1,
-    lastRestart: '2025-01-12T00:00:00Z',
-    version: '1.0.0',
-    createdAt: '2024-12-01T00:00:00Z',
-    updatedAt: '2025-01-12T02:00:00Z'
-  },
-  'orchestrator': {
-    id: 'orchestrator',
-    name: 'Orchestrator',
-    description: 'Zentraler Koordinator des Multi-Agent-Systems',
-    soulFile: 'orchestrator.soul.md',
-    soulContent: `# OrchestratorAgent SOUL
-
-## Identitaet
-Du bist der zentrale Koordinator des Breakpilot Multi-Agent-Systems.
-Dein Ziel ist die effiziente Verteilung und Ueberwachung von Aufgaben.
-
-## Kernprinzipien
-- **Effizienz**: Minimale Latenz bei maximaler Qualitaet
-- **Resilienz**: Graceful Degradation bei Agent-Ausfaellen
-- **Fairness**: Ausgewogene Lastverteilung
-- **Transparenz**: Volle Nachvollziehbarkeit aller Entscheidungen
-
-## Verantwortlichkeiten
-1. Task-Routing zu spezialisierten Agents
-2. Session-Management und Recovery
-3. Agent-Gesundheitsueberwachung
-4. Lastverteilung
-5. Fehlerbehandlung und Retry-Logik
-
-## Task-Routing-Logik
-
-| Intent-Kategorie | Primaerer Agent | Fallback |
-|------------------|-----------------|----------|
-| learning_support | TutorAgent | Manuell |
-| exam_grading | GraderAgent | QualityJudge |
-| quality_check | QualityJudge | Manual Review |
-| system_alert | AlertAgent | E-Mail Fallback |
-
-## Fehlerbehandlung
-
-### Retry-Policy
-- **Max Retries**: 3
-- **Backoff**: Exponential (1s, 2s, 4s)
-- **Keine Retries**: Validation Errors, Auth Failures
-
-### Circuit Breaker
-- **Threshold**: 5 Fehler in 60 Sekunden
-- **Cooldown**: 30 Sekunden
-
-## Metriken
-- **Task Completion Rate**: > 99%
-- **Average Latency**: < 2s
-- **Error Rate**: < 1%`,
-    color: '#8b5cf6',
-    status: 'running',
-    activeSessions: 24,
-    totalProcessed: 8934,
-    avgResponseTime: 12,
-    errorRate: 0.2,
-    lastRestart: '2025-01-14T00:00:00Z',
-    version: '1.5.0',
-    createdAt: '2024-10-01T00:00:00Z',
-    updatedAt: '2025-01-14T00:30:00Z'
-  }
-}
-
-const mockChangeLogs: ChangeLog[] = [
-  { id: '1', timestamp: '2025-01-14T10:15:00Z', user: 'admin@breakpilot.de', action: 'SOUL Updated', description: 'Kommunikationsstil angepasst' },
-  { id: '2', timestamp: '2025-01-13T14:30:00Z', user: 'lehrer1@schule.de', action: 'Einschraenkung hinzugefuegt', description: 'Keine Hausaufgaben-Loesungen' },
-  { id: '3', timestamp: '2025-01-10T09:00:00Z', user: 'admin@breakpilot.de', action: 'Version 1.2.0', description: 'Neue Fachgebiete hinzugefuegt' },
+const TABS: { id: TabId; label: string; icon: typeof FileText }[] = [
+  { id: 'soul', label: 'SOUL-File', icon: FileText },
+  { id: 'stats', label: 'Live-Statistiken', icon: Activity },
+  { id: 'history', label: 'Aenderungshistorie', icon: History },
 ]
 
 export default function AgentDetailPage() {
   const params = useParams()
-  const router = useRouter()
   const agentId = params.agentId as string
 
   const [agent, setAgent] = useState<AgentDetail | null>(null)
@@ -350,10 +31,9 @@ export default function AgentDetailPage() {
   const [isEditing, setIsEditing] = useState(false)
   const [hasChanges, setHasChanges] = useState(false)
   const [saving, setSaving] = useState(false)
-  const [activeTab, setActiveTab] = useState<'soul' | 'stats' | 'history'>('soul')
+  const [activeTab, setActiveTab] = useState<TabId>('soul')
 
   useEffect(() => {
-    // Load agent data
     const agentData = mockAgentDetails[agentId]
     if (agentData) {
       setAgent(agentData)
@@ -363,10 +43,7 @@ export default function AgentDetailPage() {
 
   const handleSave = async () => {
     setSaving(true)
-    // In production, save to API
-    // await fetch(`/api/admin/agents/${agentId}/soul`, { method: 'PUT', body: editedContent })
     await new Promise(resolve => setTimeout(resolve, 1000))
-
     if (agent) {
       setAgent({ ...agent, soulContent: editedContent, updatedAt: new Date().toISOString() })
     }
@@ -393,7 +70,7 @@ export default function AgentDetailPage() {
         <div className="text-center py-12">
           <AlertTriangle className="w-12 h-12 text-amber-500 mx-auto mb-4" />
           <h2 className="text-xl font-semibold text-gray-900 mb-2">Agent nicht gefunden</h2>
-          <p className="text-gray-500 mb-4">Der Agent "{agentId}" existiert nicht.</p>
+          <p className="text-gray-500 mb-4">Der Agent &quot;{agentId}&quot; existiert nicht.</p>
           <Link href="/ai/agents" className="text-teal-600 hover:text-teal-700">
             &larr; Zurueck zur Uebersicht
           </Link>
@@ -404,231 +81,46 @@ export default function AgentDetailPage() {
 
   return (
     <div className="p-6 max-w-7xl mx-auto">
-      {/* Header */}
-      <div className="flex items-center justify-between mb-6">
-        <div className="flex items-center gap-4">
-          <Link
-            href="/ai/agents"
-            className="p-2 hover:bg-gray-100 rounded-lg transition-colors"
-          >
-            <ArrowLeft className="w-5 h-5 text-gray-600" />
-          </Link>
-          <div
-            className="p-3 rounded-xl"
-            style={{ backgroundColor: `${agent.color}20` }}
-          >
-            <Brain className="w-6 h-6" style={{ color: agent.color }} />
-          </div>
-          <div>
-            <h1 className="text-2xl font-bold text-gray-900">{agent.name}</h1>
-            <p className="text-gray-500">{agent.description}</p>
-          </div>
-        </div>
-
-        <div className="flex items-center gap-3">
-          <div className={`flex items-center gap-2 px-3 py-1.5 rounded-full text-sm font-medium ${
-            agent.status === 'running' ? 'bg-green-100 text-green-700' :
-            agent.status === 'paused' ? 'bg-yellow-100 text-yellow-700' :
-            'bg-red-100 text-red-700'
-          }`}>
-            {agent.status === 'running' ? <CheckCircle className="w-4 h-4" /> :
-             agent.status === 'paused' ? <Pause className="w-4 h-4" /> :
-             <XCircle className="w-4 h-4" />}
-            {agent.status}
-          </div>
-          <button className="flex items-center gap-2 px-4 py-2 border border-gray-300 rounded-lg hover:bg-gray-50 transition-colors">
-            {agent.status === 'running' ? (
-              <>
-                <Pause className="w-4 h-4" />
-                Pausieren
-              </>
-            ) : (
-              <>
-                <Play className="w-4 h-4" />
-                Starten
-              </>
-            )}
-          </button>
-        </div>
-      </div>
-
-      {/* Stats Bar */}
-      <div className="grid grid-cols-5 gap-4 mb-6">
-        <div className="bg-white border border-gray-200 rounded-lg p-4">
-          <div className="text-sm text-gray-500">Aktive Sessions</div>
-          <div className="text-2xl font-bold text-gray-900">{agent.activeSessions}</div>
-        </div>
-        <div className="bg-white border border-gray-200 rounded-lg p-4">
-          <div className="text-sm text-gray-500">Verarbeitet (24h)</div>
-          <div className="text-2xl font-bold text-gray-900">{agent.totalProcessed.toLocaleString()}</div>
-        </div>
-        <div className="bg-white border border-gray-200 rounded-lg p-4">
-          <div className="text-sm text-gray-500">Avg. Antwortzeit</div>
-          <div className="text-2xl font-bold text-gray-900">{agent.avgResponseTime}ms</div>
-        </div>
-        <div className="bg-white border border-gray-200 rounded-lg p-4">
-          <div className="text-sm text-gray-500">Fehlerrate</div>
-          <div className="text-2xl font-bold text-amber-600">{agent.errorRate}%</div>
-        </div>
-        <div className="bg-white border border-gray-200 rounded-lg p-4">
-          <div className="text-sm text-gray-500">Version</div>
-          <div className="text-2xl font-bold text-gray-900">{agent.version}</div>
-        </div>
-      </div>
+      <AgentHeader agent={agent} />
+      <AgentStatsBar agent={agent} />
 
       {/* Tabs */}
       <div className="bg-white border border-gray-200 rounded-xl overflow-hidden">
         <div className="border-b border-gray-200">
           <div className="flex">
+            {TABS.map(({ id, label, icon: Icon }) => (
               <button
-              onClick={() => setActiveTab('soul')}
+                key={id}
+                onClick={() => setActiveTab(id)}
                 className={`flex items-center gap-2 px-6 py-4 text-sm font-medium border-b-2 transition-colors ${
-                activeTab === 'soul'
+                  activeTab === id
                     ? 'border-teal-500 text-teal-600'
                     : 'border-transparent text-gray-500 hover:text-gray-700'
                 }`}
               >
-              <FileText className="w-4 h-4" />
-              SOUL-File
+                <Icon className="w-4 h-4" />
+                {label}
               </button>
-            <button
-              onClick={() => setActiveTab('stats')}
-              className={`flex items-center gap-2 px-6 py-4 text-sm font-medium border-b-2 transition-colors ${
-                activeTab === 'stats'
-                  ? 'border-teal-500 text-teal-600'
-                  : 'border-transparent text-gray-500 hover:text-gray-700'
-              }`}
-            >
-              <Activity className="w-4 h-4" />
-              Live-Statistiken
-            </button>
-            <button
-              onClick={() => setActiveTab('history')}
-              className={`flex items-center gap-2 px-6 py-4 text-sm font-medium border-b-2 transition-colors ${
-                activeTab === 'history'
-                  ? 'border-teal-500 text-teal-600'
-                  : 'border-transparent text-gray-500 hover:text-gray-700'
-              }`}
-            >
-              <History className="w-4 h-4" />
-              Aenderungshistorie
-            </button>
-          </div>
-        </div>
-
-        {/* Tab Content */}
-        <div className="p-6">
-          {activeTab === 'soul' && (
-            <div>
-              <div className="flex items-center justify-between mb-4">
-                <div className="flex items-center gap-2 text-sm text-gray-500">
-                  <FileText className="w-4 h-4" />
-                  {agent.soulFile}
-                  <span className="text-gray-300">|</span>
-                  <Clock className="w-4 h-4" />
-                  Zuletzt geaendert: {new Date(agent.updatedAt).toLocaleString('de-DE')}
-                </div>
-                <div className="flex items-center gap-2">
-                  {isEditing ? (
-                    <>
-                      <button
-                        onClick={handleReset}
-                        disabled={!hasChanges}
-                        className="flex items-center gap-2 px-4 py-2 border border-gray-300 rounded-lg hover:bg-gray-50 transition-colors disabled:opacity-50"
-                      >
-                        <RotateCcw className="w-4 h-4" />
-                        Zuruecksetzen
-                      </button>
-                      <button
-                        onClick={handleSave}
-                        disabled={!hasChanges || saving}
-                        className="flex items-center gap-2 px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700 transition-colors disabled:opacity-50"
-                      >
-                        <Save className="w-4 h-4" />
-                        {saving ? 'Speichert...' : 'Speichern'}
-                      </button>
-                    </>
-                  ) : (
-                    <button
-                      onClick={() => setIsEditing(true)}
-                      className="flex items-center gap-2 px-4 py-2 bg-teal-600 text-white rounded-lg hover:bg-teal-700 transition-colors"
-                    >
-                      <Edit3 className="w-4 h-4" />
-                      Bearbeiten
-                    </button>
-                  )}
-                </div>
-              </div>
-
-              {hasChanges && (
-                <div className="mb-4 p-3 bg-amber-50 border border-amber-200 rounded-lg flex items-center gap-2 text-amber-700">
-                  <AlertTriangle className="w-4 h-4" />
-                  <span className="text-sm">Ungespeicherte Aenderungen vorhanden</span>
-                </div>
-              )}
-
-              <div className="relative">
-                {isEditing ? (
-                  <textarea
-                    value={editedContent}
-                    onChange={(e) => handleContentChange(e.target.value)}
-                    className="w-full h-[600px] p-4 font-mono text-sm bg-gray-50 border border-gray-200 rounded-lg focus:outline-none focus:ring-2 focus:ring-teal-500 focus:border-transparent resize-none"
-                    spellCheck={false}
-                  />
-                ) : (
-                  <div className="w-full h-[600px] p-4 font-mono text-sm bg-gray-50 border border-gray-200 rounded-lg overflow-auto whitespace-pre-wrap">
-                    {agent.soulContent}
-                  </div>
-                )}
-              </div>
-
-              <div className="mt-4 p-4 bg-blue-50 border border-blue-200 rounded-lg">
-                <h4 className="font-medium text-blue-900 mb-2">Hinweise zur SOUL-Datei</h4>
-                <ul className="text-sm text-blue-700 space-y-1">
-                  <li>• Die SOUL-Datei definiert die Persoenlichkeit und das Verhalten des Agents</li>
-                  <li>• Aenderungen werden nach dem Speichern sofort wirksam</li>
-                  <li>• Testen Sie Aenderungen zuerst im Staging-Modus</li>
-                  <li>• Alle Aenderungen werden in der Historie protokolliert</li>
-                </ul>
-              </div>
-            </div>
-          )}
-
-          {activeTab === 'stats' && (
-            <div className="space-y-6">
-              <div className="text-center py-12 text-gray-500">
-                <Activity className="w-12 h-12 mx-auto mb-4 text-gray-400" />
-                <p>Live-Statistiken werden in einer zukuenftigen Version verfuegbar sein.</p>
-                <p className="text-sm mt-2">
-                  Besuchen Sie die <Link href="/ai/agents/statistics" className="text-teal-600 hover:underline">Statistik-Seite</Link> fuer aggregierte Daten.
-                </p>
-              </div>
-            </div>
-          )}
-
-          {activeTab === 'history' && (
-            <div>
-              <div className="space-y-4">
-                {mockChangeLogs.map((log) => (
-                  <div key={log.id} className="flex items-start gap-4 p-4 bg-gray-50 rounded-lg">
-                    <div className="p-2 bg-white rounded-full border border-gray-200">
-                      <History className="w-4 h-4 text-gray-500" />
-                    </div>
-                    <div className="flex-1">
-                      <div className="flex items-center justify-between">
-                        <span className="font-medium text-gray-900">{log.action}</span>
-                        <span className="text-sm text-gray-500">
-                          {new Date(log.timestamp).toLocaleString('de-DE')}
-                        </span>
-                      </div>
-                      <p className="text-sm text-gray-600 mt-1">{log.description}</p>
-                      <p className="text-xs text-gray-400 mt-1">von {log.user}</p>
-                    </div>
-                  </div>
             ))}
           </div>
         </div>
+
+        <div className="p-6">
+          {activeTab === 'soul' && (
+            <SoulTabContent
+              agent={agent}
+              editedContent={editedContent}
+              isEditing={isEditing}
+              hasChanges={hasChanges}
+              saving={saving}
+              onContentChange={handleContentChange}
+              onSave={handleSave}
+              onReset={handleReset}
+              onStartEditing={() => setIsEditing(true)}
+            />
           )}
+          {activeTab === 'stats' && <StatsTabContent />}
+          {activeTab === 'history' && <HistoryTabContent changeLogs={mockChangeLogs} />}
         </div>
       </div>
     </div>

admin-lehrer/app/(admin)/ai/agents/architecture/_components/AgentTypesSection.tsx

@@ -0,0 +1,120 @@
+import { Brain, CheckCircle, Shield, AlertTriangle, MessageSquare } from 'lucide-react'
+
+interface AgentCardProps {
+  icon: React.ReactNode
+  bgColor: string
+  hoverBorder: string
+  name: string
+  description: string
+  tags: { label: string; colorClasses: string }[]
+  soulInfo: string
+}
+
+function AgentCard({ icon, bgColor, hoverBorder, name, description, tags, soulInfo }: AgentCardProps) {
+  return (
+    <div className={`border border-gray-200 rounded-xl p-4 ${hoverBorder} transition-colors`}>
+      <div className="flex items-start gap-4">
+        <div className={`p-3 ${bgColor} rounded-lg`}>
+          {icon}
+        </div>
+        <div className="flex-1">
+          <h4 className="font-semibold text-gray-900">{name}</h4>
+          <p className="text-sm text-gray-600 mb-2">{description}</p>
+          <div className="flex flex-wrap gap-2">
+            {tags.map(tag => (
+              <span key={tag.label} className={`px-2 py-1 ${tag.colorClasses} text-xs rounded-full`}>
+                {tag.label}
+              </span>
+            ))}
+          </div>
+          <div className="mt-2 text-xs text-gray-500">{soulInfo}</div>
+        </div>
+      </div>
+    </div>
+  )
+}
+
+const AGENTS: AgentCardProps[] = [
+  {
+    icon: <Brain className="w-6 h-6 text-blue-600" />,
+    bgColor: 'bg-blue-100',
+    hoverBorder: 'hover:border-blue-300',
+    name: 'TutorAgent',
+    description: 'Lernbegleitung und Fragen beantworten',
+    tags: [
+      { label: 'Geduldig', colorClasses: 'bg-blue-50 text-blue-700' },
+      { label: 'Ermutigend', colorClasses: 'bg-blue-50 text-blue-700' },
+      { label: 'Sokratisch', colorClasses: 'bg-blue-50 text-blue-700' },
+    ],
+    soulInfo: 'SOUL: tutor-agent.soul.md | Routing: learning_*, help_*, question_*',
+  },
+  {
+    icon: <CheckCircle className="w-6 h-6 text-green-600" />,
+    bgColor: 'bg-green-100',
+    hoverBorder: 'hover:border-green-300',
+    name: 'GraderAgent',
+    description: 'Klausur-Korrektur und Bewertung',
+    tags: [
+      { label: 'Objektiv', colorClasses: 'bg-green-50 text-green-700' },
+      { label: 'Fair', colorClasses: 'bg-green-50 text-green-700' },
+      { label: 'Konstruktiv', colorClasses: 'bg-green-50 text-green-700' },
+    ],
+    soulInfo: 'SOUL: grader-agent.soul.md | Routing: grade_*, evaluate_*, correct_*',
+  },
+  {
+    icon: <Shield className="w-6 h-6 text-amber-600" />,
+    bgColor: 'bg-amber-100',
+    hoverBorder: 'hover:border-amber-300',
+    name: 'QualityJudge',
+    description: 'BQAS Qualitaetspruefung',
+    tags: [
+      { label: 'Kritisch', colorClasses: 'bg-amber-50 text-amber-700' },
+      { label: 'Praezise', colorClasses: 'bg-amber-50 text-amber-700' },
+      { label: 'Schnell', colorClasses: 'bg-amber-50 text-amber-700' },
+    ],
+    soulInfo: 'SOUL: quality-judge.soul.md | Routing: quality_*, review_*, validate_*',
+  },
+  {
+    icon: <AlertTriangle className="w-6 h-6 text-red-600" />,
+    bgColor: 'bg-red-100',
+    hoverBorder: 'hover:border-red-300',
+    name: 'AlertAgent',
+    description: 'Monitoring und Benachrichtigungen',
+    tags: [
+      { label: 'Wachsam', colorClasses: 'bg-red-50 text-red-700' },
+      { label: 'Proaktiv', colorClasses: 'bg-red-50 text-red-700' },
+      { label: 'Priorisierend', colorClasses: 'bg-red-50 text-red-700' },
+    ],
+    soulInfo: 'SOUL: alert-agent.soul.md | Routing: alert_*, monitor_*, notify_*',
+  },
+  {
+    icon: <MessageSquare className="w-6 h-6 text-purple-600" />,
+    bgColor: 'bg-purple-100',
+    hoverBorder: 'hover:border-purple-300',
+    name: 'Orchestrator',
+    description: 'Task-Koordination und Routing',
+    tags: [
+      { label: 'Koordinierend', colorClasses: 'bg-purple-50 text-purple-700' },
+      { label: 'Effizient', colorClasses: 'bg-purple-50 text-purple-700' },
+      { label: 'Zuverlaessig', colorClasses: 'bg-purple-50 text-purple-700' },
+    ],
+    soulInfo: 'SOUL: orchestrator.soul.md | Routing: Fallback fuer alle unbekannten Intents',
+  },
+]
+
+export function AgentTypesSection() {
+  return (
+    <div className="space-y-4">
+      <p className="text-gray-600 mb-4">
+        Jeder Agent hat eine spezialisierte Rolle im System. Die Agents kommunizieren ueber den Message Bus
+        und nutzen das Shared Brain fuer konsistente Entscheidungen.
+      </p>
+
+      <div className="grid gap-4">
+        {AGENTS.map(agent => (
+          <AgentCard key={agent.name} {...agent} />
+        ))}
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/architecture/_components/DatabaseSchemaSection.tsx

@@ -0,0 +1,73 @@
+export function DatabaseSchemaSection() {
+  return (
+    <div className="space-y-4">
+      <p className="text-gray-600 mb-4">
+        Das Agent-System nutzt PostgreSQL fuer persistente Daten und Valkey (Redis) fuer Caching und Pub/Sub.
+      </p>
+
+      <div className="space-y-4">
+        {/* agent_sessions */}
+        <div className="bg-white border border-gray-200 rounded-xl p-4">
+          <h4 className="font-semibold text-gray-900 mb-2 font-mono">agent_sessions</h4>
+          <p className="text-sm text-gray-600 mb-3">Speichert Session-Daten mit Checkpoints</p>
+          <div className="bg-gray-50 rounded-lg p-3 font-mono text-xs overflow-x-auto">
+            <pre>{`
+CREATE TABLE agent_sessions (
+    id UUID PRIMARY KEY,
+    agent_type VARCHAR(50) NOT NULL,
+    user_id UUID REFERENCES users(id),
+    state VARCHAR(20) NOT NULL DEFAULT 'active',
+    context JSONB DEFAULT '{}',
+    checkpoints JSONB DEFAULT '[]',
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    last_heartbeat TIMESTAMPTZ DEFAULT NOW()
+);
+            `}</pre>
+          </div>
+        </div>
+
+        {/* agent_memory */}
+        <div className="bg-white border border-gray-200 rounded-xl p-4">
+          <h4 className="font-semibold text-gray-900 mb-2 font-mono">agent_memory</h4>
+          <p className="text-sm text-gray-600 mb-3">Langzeit-Gedaechtnis mit TTL</p>
+          <div className="bg-gray-50 rounded-lg p-3 font-mono text-xs overflow-x-auto">
+            <pre>{`
+CREATE TABLE agent_memory (
+    id UUID PRIMARY KEY,
+    namespace VARCHAR(100) NOT NULL,
+    key VARCHAR(500) NOT NULL,
+    value JSONB NOT NULL,
+    agent_id VARCHAR(50) NOT NULL,
+    access_count INTEGER DEFAULT 0,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    expires_at TIMESTAMPTZ,
+    UNIQUE(namespace, key)
+);
+            `}</pre>
+          </div>
+        </div>
+
+        {/* agent_messages */}
+        <div className="bg-white border border-gray-200 rounded-xl p-4">
+          <h4 className="font-semibold text-gray-900 mb-2 font-mono">agent_messages</h4>
+          <p className="text-sm text-gray-600 mb-3">Audit-Trail fuer Inter-Agent Kommunikation</p>
+          <div className="bg-gray-50 rounded-lg p-3 font-mono text-xs overflow-x-auto">
+            <pre>{`
+CREATE TABLE agent_messages (
+    id UUID PRIMARY KEY,
+    sender VARCHAR(50) NOT NULL,
+    receiver VARCHAR(50) NOT NULL,
+    message_type VARCHAR(50) NOT NULL,
+    payload JSONB NOT NULL,
+    priority INTEGER DEFAULT 1,
+    correlation_id UUID,
+    created_at TIMESTAMPTZ DEFAULT NOW()
+);
+            `}</pre>
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/architecture/_components/MessageBusSection.tsx

@@ -0,0 +1,75 @@
+export function MessageBusSection() {
+  return (
+    <div className="space-y-4">
+      <p className="text-gray-600 mb-4">
+        Der Message Bus ermoeglicht die asynchrone Kommunikation zwischen Agents via Redis Pub/Sub.
+        Er unterstuetzt Prioritaeten, Request-Response-Pattern und Broadcast-Nachrichten.
+      </p>
+
+      <div className="bg-gray-50 rounded-xl p-6 font-mono text-sm">
+        <div className="text-gray-500 mb-2"># Nachrichtenfluss</div>
+        <pre className="text-gray-700">{`
+┌──────────────┐                    ┌──────────────┐
+│   Sender     │                    │   Receiver   │
+│   (Agent)    │                    │   (Agent)    │
+└──────┬───────┘                    └──────▲───────┘
+       │                                   │
+       │ publish(AgentMessage)             │ handle(message)
+       │                                   │
+       ▼                                   │
+┌────────────────────────────────────────────────────────┐
+│                     Message Bus                         │
+│  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐    │
+│  │ Priority Q  │  │   Routing   │  │   Logging   │    │
+│  │ HIGH/NORMAL │  │   Rules     │  │   Audit     │    │
+│  └─────────────┘  └─────────────┘  └─────────────┘    │
+│                                                         │
+│                 Redis Pub/Sub                          │
+└────────────────────────────────────────────────────────┘
+        `}</pre>
+      </div>
+
+      <div className="mt-6">
+        <h4 className="font-semibold text-gray-900 mb-3">Nachrichtentypen</h4>
+        <div className="overflow-x-auto">
+          <table className="min-w-full border border-gray-200 rounded-lg">
+            <thead className="bg-gray-50">
+              <tr>
+                <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Typ</th>
+                <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Prioritaet</th>
+                <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Beschreibung</th>
+              </tr>
+            </thead>
+            <tbody className="divide-y divide-gray-200">
+              <tr>
+                <td className="px-4 py-2 text-sm font-mono text-gray-700">task_request</td>
+                <td className="px-4 py-2"><span className="px-2 py-1 bg-yellow-100 text-yellow-700 text-xs rounded">NORMAL</span></td>
+                <td className="px-4 py-2 text-sm text-gray-600">Neue Aufgabe an Agent senden</td>
+              </tr>
+              <tr>
+                <td className="px-4 py-2 text-sm font-mono text-gray-700">task_response</td>
+                <td className="px-4 py-2"><span className="px-2 py-1 bg-yellow-100 text-yellow-700 text-xs rounded">NORMAL</span></td>
+                <td className="px-4 py-2 text-sm text-gray-600">Antwort auf task_request</td>
+              </tr>
+              <tr>
+                <td className="px-4 py-2 text-sm font-mono text-gray-700">escalation</td>
+                <td className="px-4 py-2"><span className="px-2 py-1 bg-orange-100 text-orange-700 text-xs rounded">HIGH</span></td>
+                <td className="px-4 py-2 text-sm text-gray-600">Eskalation an anderen Agent</td>
+              </tr>
+              <tr>
+                <td className="px-4 py-2 text-sm font-mono text-gray-700">alert</td>
+                <td className="px-4 py-2"><span className="px-2 py-1 bg-red-100 text-red-700 text-xs rounded">CRITICAL</span></td>
+                <td className="px-4 py-2 text-sm text-gray-600">Kritische Benachrichtigung</td>
+              </tr>
+              <tr>
+                <td className="px-4 py-2 text-sm font-mono text-gray-700">heartbeat</td>
+                <td className="px-4 py-2"><span className="px-2 py-1 bg-gray-100 text-gray-700 text-xs rounded">LOW</span></td>
+                <td className="px-4 py-2 text-sm text-gray-600">Liveness-Signal</td>
+              </tr>
+            </tbody>
+          </table>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/architecture/_components/OverviewSection.tsx

@@ -0,0 +1,71 @@
+import { Server, Brain, GitBranch } from 'lucide-react'
+
+export function OverviewSection() {
+  return (
+    <div className="space-y-6">
+      <p className="text-gray-600">
+        Das Breakpilot Multi-Agent-System basiert auf dem Mission Control Konzept. Es ermoeglicht
+        die Koordination mehrerer spezialisierter KI-Agents, die gemeinsam komplexe Aufgaben loesen.
+      </p>
+
+      {/* Architecture Diagram */}
+      <div className="bg-gray-50 rounded-xl p-6 font-mono text-sm overflow-x-auto">
+        <pre className="text-gray-700">{`
+┌─────────────────────────────────────────────────────────────────┐
+│                     Breakpilot Services                          │
+│  ┌─────────────┐  ┌─────────────┐  ┌─────────────────────────┐  │
+│  │Voice Service│  │Klausur Svc  │  │  Admin-v2 / AlertAgent  │  │
+│  └──────┬──────┘  └──────┬──────┘  └───────────┬─────────────┘  │
+│         │                │                      │                │
+│         └────────────────┼──────────────────────┘                │
+│                          │                                       │
+│  ┌───────────────────────▼───────────────────────────────────┐  │
+│  │                    Agent Core                              │  │
+│  │  ┌─────────────┐  ┌─────────────┐  ┌───────────────────┐  │  │
+│  │  │   Sessions  │  │Shared Brain │  │   Orchestrator    │  │  │
+│  │  │ - Manager   │  │ - Memory    │  │ - Message Bus     │  │  │
+│  │  │ - Heartbeat │  │ - Context   │  │ - Supervisor      │  │  │
+│  │  │ - Checkpoint│  │ - Knowledge │  │ - Task Router     │  │  │
+│  │  └─────────────┘  └─────────────┘  └───────────────────┘  │  │
+│  └───────────────────────────────────────────────────────────┘  │
+│                          │                                       │
+│  ┌───────────────────────▼───────────────────────────────────┐  │
+│  │                   Infrastructure                           │  │
+│  │     Valkey (Redis)          PostgreSQL          Qdrant     │  │
+│  └───────────────────────────────────────────────────────────┘  │
+└─────────────────────────────────────────────────────────────────┘
+        `}</pre>
+      </div>
+
+      <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
+        <div className="bg-blue-50 border border-blue-200 rounded-xl p-4">
+          <div className="flex items-center gap-2 mb-2">
+            <Server className="w-5 h-5 text-blue-600" />
+            <span className="font-semibold text-blue-900">Session Management</span>
+          </div>
+          <p className="text-sm text-blue-700">
+            Verwaltet Agent-Lifecycles mit State Machine, Checkpoints und automatischer Recovery.
+          </p>
+        </div>
+        <div className="bg-purple-50 border border-purple-200 rounded-xl p-4">
+          <div className="flex items-center gap-2 mb-2">
+            <Brain className="w-5 h-5 text-purple-600" />
+            <span className="font-semibold text-purple-900">Shared Brain</span>
+          </div>
+          <p className="text-sm text-purple-700">
+            Gemeinsames Gedaechtnis fuer alle Agents mit TTL, Context-Verwaltung und Knowledge Graph.
+          </p>
+        </div>
+        <div className="bg-green-50 border border-green-200 rounded-xl p-4">
+          <div className="flex items-center gap-2 mb-2">
+            <GitBranch className="w-5 h-5 text-green-600" />
+            <span className="font-semibold text-green-900">Orchestrator</span>
+          </div>
+          <p className="text-sm text-green-700">
+            Message Bus, Supervisor und Task Router fuer die Agent-Koordination.
+          </p>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/architecture/_components/SessionLifecycleSection.tsx

@@ -0,0 +1,56 @@
+export function SessionLifecycleSection() {
+  return (
+    <div className="space-y-4">
+      <p className="text-gray-600 mb-4">
+        Sessions verwalten den Zustand von Agent-Interaktionen. Jede Session hat einen definierten
+        Lebenszyklus mit Checkpoints fuer Recovery.
+      </p>
+
+      <div className="bg-gray-50 rounded-xl p-6 font-mono text-sm">
+        <div className="text-gray-500 mb-2"># Session State Machine</div>
+        <pre className="text-gray-700">{`
+                    ┌─────────────────────────────────────┐
+                    │                                     │
+                    ▼                                     │
+┌──────────┐    ┌──────────┐    ┌──────────┐    ┌──────────┐
+│  ACTIVE  │───▶│  PAUSED  │───▶│ COMPLETED│    │  FAILED  │
+└──────────┘    └──────────┘    └──────────┘    └──────────┘
+     │               │                               ▲
+     │               │                               │
+     └───────────────┴───────────────────────────────┘
+                          (bei Fehler)
+
+States:
+- ACTIVE: Session laeuft, Agent verarbeitet Tasks
+- PAUSED: Session pausiert, wartet auf Eingabe
+- COMPLETED: Session erfolgreich beendet
+- FAILED: Session mit Fehler beendet
+        `}</pre>
+      </div>
+
+      <div className="mt-6">
+        <h4 className="font-semibold text-gray-900 mb-3">Heartbeat Monitoring</h4>
+        <div className="bg-white border border-gray-200 rounded-xl p-5">
+          <div className="grid grid-cols-3 gap-4 text-center">
+            <div>
+              <div className="text-2xl font-bold text-gray-900">30s</div>
+              <div className="text-sm text-gray-500">Timeout</div>
+            </div>
+            <div>
+              <div className="text-2xl font-bold text-gray-900">5s</div>
+              <div className="text-sm text-gray-500">Check Interval</div>
+            </div>
+            <div>
+              <div className="text-2xl font-bold text-gray-900">3</div>
+              <div className="text-sm text-gray-500">Max Missed Beats</div>
+            </div>
+          </div>
+          <p className="text-sm text-gray-600 mt-4 text-center">
+            Nach 3 verpassten Heartbeats wird der Agent als ausgefallen markiert und die
+            Restart-Policy greift (max. 3 Versuche).
+          </p>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/architecture/_components/SharedBrainSection.tsx

@@ -0,0 +1,83 @@
+import { Database, Activity, GitBranch } from 'lucide-react'
+
+export function SharedBrainSection() {
+  return (
+    <div className="space-y-4">
+      <p className="text-gray-600 mb-4">
+        Das Shared Brain speichert Wissen und Kontext, auf den alle Agents zugreifen koennen.
+        Es besteht aus drei Komponenten: Memory Store, Context Manager und Knowledge Graph.
+      </p>
+
+      <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
+        <div className="bg-white border border-gray-200 rounded-xl p-5">
+          <div className="flex items-center gap-2 mb-3">
+            <Database className="w-5 h-5 text-blue-600" />
+            <h4 className="font-semibold text-gray-900">Memory Store</h4>
+          </div>
+          <p className="text-sm text-gray-600 mb-3">
+            Langzeit-Gedaechtnis fuer Fakten, Entscheidungen und Lernfortschritte.
+          </p>
+          <ul className="text-xs text-gray-500 space-y-1">
+            <li>- TTL-basierte Expiration (30 Tage default)</li>
+            <li>- Access-Tracking (Haeufigkeit)</li>
+            <li>- Pattern-basierte Suche</li>
+            <li>- Hybrid: Redis + PostgreSQL</li>
+          </ul>
+        </div>
+
+        <div className="bg-white border border-gray-200 rounded-xl p-5">
+          <div className="flex items-center gap-2 mb-3">
+            <Activity className="w-5 h-5 text-purple-600" />
+            <h4 className="font-semibold text-gray-900">Context Manager</h4>
+          </div>
+          <p className="text-sm text-gray-600 mb-3">
+            Verwaltet Konversationskontext mit automatischer Komprimierung.
+          </p>
+          <ul className="text-xs text-gray-500 space-y-1">
+            <li>- Max 50 Messages pro Context</li>
+            <li>- Automatische Zusammenfassung</li>
+            <li>- System-Messages bleiben erhalten</li>
+            <li>- Entity-Extraktion</li>
+          </ul>
+        </div>
+
+        <div className="bg-white border border-gray-200 rounded-xl p-5">
+          <div className="flex items-center gap-2 mb-3">
+            <GitBranch className="w-5 h-5 text-green-600" />
+            <h4 className="font-semibold text-gray-900">Knowledge Graph</h4>
+          </div>
+          <p className="text-sm text-gray-600 mb-3">
+            Graph-basierte Darstellung von Entitaeten und ihren Beziehungen.
+          </p>
+          <ul className="text-xs text-gray-500 space-y-1">
+            <li>- Entitaeten: Student, Lehrer, Fach</li>
+            <li>- Beziehungen: lernt, unterrichtet</li>
+            <li>- BFS-basierte Pfadsuche</li>
+            <li>- Verwandte Entitaeten finden</li>
+          </ul>
+        </div>
+      </div>
+
+      <div className="bg-gray-50 rounded-xl p-6 font-mono text-sm mt-6">
+        <div className="text-gray-500 mb-2"># Memory Store Beispiel</div>
+        <pre className="text-gray-700">{`
+# Speichern
+await store.remember(
+    key="student:123:progress",
+    value={"level": 5, "score": 85, "topic": "algebra"},
+    agent_id="tutor-agent",
+    ttl_days=30
+)
+
+# Abrufen
+progress = await store.recall("student:123:progress")
+# → {"level": 5, "score": 85, "topic": "algebra"}
+
+# Suchen
+all_progress = await store.search("student:123:*")
+# → [Memory(...), Memory(...), ...]
+        `}</pre>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/architecture/_components/SoulFilesSection.tsx

@@ -0,0 +1,68 @@
+export function SoulFilesSection() {
+  return (
+    <div className="space-y-4">
+      <p className="text-gray-600 mb-4">
+        SOUL-Dateien (Semantic Outline for Unified Learning) definieren die Persoenlichkeit und
+        Verhaltensregeln jedes Agents. Sie bestimmen, wie ein Agent kommuniziert, entscheidet und eskaliert.
+      </p>
+
+      <div className="bg-gray-900 rounded-xl p-6 text-gray-100 font-mono text-sm overflow-x-auto">
+        <div className="text-gray-400 mb-4"># Beispiel: tutor-agent.soul.md</div>
+        <pre className="text-green-400">{`
+# TutorAgent SOUL
+
+## Identitaet
+Du bist ein geduldiger, ermutigender Lernbegleiter fuer Schueler.
+Dein Ziel ist es, Verstaendnis zu foerdern, nicht Antworten vorzugeben.
+
+## Kommunikationsstil
+- Verwende einfache, klare Sprache
+- Stelle Rueckfragen, um Verstaendnis zu pruefen
+- Gib Hinweise statt direkter Loesungen
+- Feiere kleine Erfolge
+
+## Fachgebiete
+- Mathematik (Grundschule bis Abitur)
+- Naturwissenschaften (Physik, Chemie, Biologie)
+- Sprachen (Deutsch, Englisch)
+
+## Einschraenkungen
+- Gib NIEMALS vollstaendige Loesungen fuer Hausaufgaben
+- Verweise bei komplexen Themen auf Lehrkraefte
+- Erkenne Frustration und biete Pausen an
+
+## Eskalation
+- Bei wiederholtem Unverstaendnis: Schlage alternatives Erklaerformat vor
+- Bei emotionaler Belastung: Empfehle Gespraech mit Vertrauensperson
+- Bei technischen Problemen: Eskaliere an Support
+        `}</pre>
+      </div>
+
+      <div className="mt-6">
+        <h4 className="font-semibold text-gray-900 mb-3">SOUL-Struktur</h4>
+        <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+          <div className="bg-white border border-gray-200 rounded-lg p-4">
+            <h5 className="font-medium text-gray-900 mb-2">Identitaet</h5>
+            <p className="text-sm text-gray-600">Wer ist der Agent? Welche Rolle nimmt er ein?</p>
+          </div>
+          <div className="bg-white border border-gray-200 rounded-lg p-4">
+            <h5 className="font-medium text-gray-900 mb-2">Kommunikationsstil</h5>
+            <p className="text-sm text-gray-600">Wie kommuniziert der Agent mit Benutzern?</p>
+          </div>
+          <div className="bg-white border border-gray-200 rounded-lg p-4">
+            <h5 className="font-medium text-gray-900 mb-2">Fachgebiete</h5>
+            <p className="text-sm text-gray-600">In welchen Bereichen ist der Agent kompetent?</p>
+          </div>
+          <div className="bg-white border border-gray-200 rounded-lg p-4">
+            <h5 className="font-medium text-gray-900 mb-2">Einschraenkungen</h5>
+            <p className="text-sm text-gray-600">Was darf der Agent NICHT tun?</p>
+          </div>
+          <div className="bg-white border border-gray-200 rounded-lg p-4 md:col-span-2">
+            <h5 className="font-medium text-gray-900 mb-2">Eskalation</h5>
+            <p className="text-sm text-gray-600">Wann und wie eskaliert der Agent an andere Agents oder Menschen?</p>
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/architecture/_components/TaskRoutingSection.tsx

@@ -0,0 +1,82 @@
+export function TaskRoutingSection() {
+  return (
+    <div className="space-y-4">
+      <p className="text-gray-600 mb-4">
+        Der Task Router entscheidet, welcher Agent eine Anfrage bearbeitet. Er verwendet
+        Intent-basierte Regeln mit Prioritaeten und Fallback-Ketten.
+      </p>
+
+      <div className="overflow-x-auto">
+        <table className="min-w-full border border-gray-200 rounded-lg">
+          <thead className="bg-gray-50">
+            <tr>
+              <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Intent-Pattern</th>
+              <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Ziel-Agent</th>
+              <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Prioritaet</th>
+              <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Fallback</th>
+            </tr>
+          </thead>
+          <tbody className="divide-y divide-gray-200">
+            <tr>
+              <td className="px-4 py-2 text-sm font-mono text-blue-700">learning_*</td>
+              <td className="px-4 py-2 text-sm text-gray-700">TutorAgent</td>
+              <td className="px-4 py-2 text-sm text-gray-700">10</td>
+              <td className="px-4 py-2 text-sm text-gray-500">Orchestrator</td>
+            </tr>
+            <tr>
+              <td className="px-4 py-2 text-sm font-mono text-blue-700">help_*, question_*</td>
+              <td className="px-4 py-2 text-sm text-gray-700">TutorAgent</td>
+              <td className="px-4 py-2 text-sm text-gray-700">8</td>
+              <td className="px-4 py-2 text-sm text-gray-500">Orchestrator</td>
+            </tr>
+            <tr>
+              <td className="px-4 py-2 text-sm font-mono text-green-700">grade_*, evaluate_*</td>
+              <td className="px-4 py-2 text-sm text-gray-700">GraderAgent</td>
+              <td className="px-4 py-2 text-sm text-gray-700">10</td>
+              <td className="px-4 py-2 text-sm text-gray-500">Orchestrator</td>
+            </tr>
+            <tr>
+              <td className="px-4 py-2 text-sm font-mono text-amber-700">quality_*, review_*</td>
+              <td className="px-4 py-2 text-sm text-gray-700">QualityJudge</td>
+              <td className="px-4 py-2 text-sm text-gray-700">10</td>
+              <td className="px-4 py-2 text-sm text-gray-500">GraderAgent</td>
+            </tr>
+            <tr>
+              <td className="px-4 py-2 text-sm font-mono text-red-700">alert_*, monitor_*</td>
+              <td className="px-4 py-2 text-sm text-gray-700">AlertAgent</td>
+              <td className="px-4 py-2 text-sm text-gray-700">10</td>
+              <td className="px-4 py-2 text-sm text-gray-500">Orchestrator</td>
+            </tr>
+            <tr className="bg-gray-50">
+              <td className="px-4 py-2 text-sm font-mono text-gray-500">* (alle anderen)</td>
+              <td className="px-4 py-2 text-sm text-gray-700">Orchestrator</td>
+              <td className="px-4 py-2 text-sm text-gray-700">0</td>
+              <td className="px-4 py-2 text-sm text-gray-500">-</td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+
+      <div className="mt-6 grid grid-cols-1 md:grid-cols-2 gap-4">
+        <div className="bg-white border border-gray-200 rounded-xl p-4">
+          <h4 className="font-semibold text-gray-900 mb-2">Routing-Strategien</h4>
+          <ul className="text-sm text-gray-600 space-y-2">
+            <li><span className="font-mono text-blue-600">ROUND_ROBIN</span> - Gleichmaessige Verteilung</li>
+            <li><span className="font-mono text-blue-600">LEAST_LOADED</span> - Agent mit wenigsten Tasks</li>
+            <li><span className="font-mono text-blue-600">PRIORITY</span> - Hoechste Prioritaet zuerst</li>
+            <li><span className="font-mono text-blue-600">RANDOM</span> - Zufaellige Auswahl</li>
+          </ul>
+        </div>
+        <div className="bg-white border border-gray-200 rounded-xl p-4">
+          <h4 className="font-semibold text-gray-900 mb-2">Fallback-Verhalten</h4>
+          <ul className="text-sm text-gray-600 space-y-2">
+            <li>1. Versuche Ziel-Agent zu erreichen</li>
+            <li>2. Bei Timeout: Fallback-Agent nutzen</li>
+            <li>3. Bei Fehler: Orchestrator uebernimmt</li>
+            <li>4. Bei kritischen Fehlern: Alert an Admin</li>
+          </ul>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/agents/architecture/_components/index.ts

@@ -0,0 +1,9 @@
+export { OverviewSection } from './OverviewSection'
+export { AgentTypesSection } from './AgentTypesSection'
+export { SoulFilesSection } from './SoulFilesSection'
+export { MessageBusSection } from './MessageBusSection'
+export { SharedBrainSection } from './SharedBrainSection'
+export { TaskRoutingSection } from './TaskRoutingSection'
+export { SessionLifecycleSection } from './SessionLifecycleSection'
+export { DatabaseSchemaSection } from './DatabaseSchemaSection'
+export type { Section } from './types'

admin-lehrer/app/(admin)/ai/agents/architecture/_components/types.ts

@@ -0,0 +1,6 @@
+export interface Section {
+  id: string
+  title: string
+  icon: React.ReactNode
+  content: React.ReactNode
+}

admin-lehrer/app/(admin)/ai/agents/architecture/page.tsx

@@ -2,17 +2,78 @@
 
 import { useState } from 'react'
 import Link from 'next/link'
-import { ArrowLeft, Cpu, Brain, MessageSquare, Database, Activity, Shield, ChevronDown, ChevronRight, GitBranch, Layers, Server, FileText, AlertTriangle, CheckCircle, Zap, RefreshCw } from 'lucide-react'
+import {
+  ArrowLeft, Cpu, Brain, MessageSquare, Database,
+  Activity, ChevronDown, ChevronRight, GitBranch,
+  Layers, FileText, Zap, RefreshCw,
+} from 'lucide-react'
+import {
+  OverviewSection,
+  AgentTypesSection,
+  SoulFilesSection,
+  MessageBusSection,
+  SharedBrainSection,
+  TaskRoutingSection,
+  SessionLifecycleSection,
+  DatabaseSchemaSection,
+} from './_components'
+import type { Section } from './_components'
 
-interface Section {
-  id: string
-  title: string
-  icon: React.ReactNode
-  content: React.ReactNode
-}
+const SECTIONS: Section[] = [
+  {
+    id: 'overview',
+    title: 'System-Uebersicht',
+    icon: <Layers className="w-5 h-5" />,
+    content: <OverviewSection />,
+  },
+  {
+    id: 'agents',
+    title: 'Agent-Typen',
+    icon: <Cpu className="w-5 h-5" />,
+    content: <AgentTypesSection />,
+  },
+  {
+    id: 'soul-files',
+    title: 'SOUL-Files (Persoenlichkeiten)',
+    icon: <FileText className="w-5 h-5" />,
+    content: <SoulFilesSection />,
+  },
+  {
+    id: 'message-bus',
+    title: 'Message Bus & Kommunikation',
+    icon: <MessageSquare className="w-5 h-5" />,
+    content: <MessageBusSection />,
+  },
+  {
+    id: 'shared-brain',
+    title: 'Shared Brain (Gedaechtnis)',
+    icon: <Brain className="w-5 h-5" />,
+    content: <SharedBrainSection />,
+  },
+  {
+    id: 'task-routing',
+    title: 'Task Routing',
+    icon: <Zap className="w-5 h-5" />,
+    content: <TaskRoutingSection />,
+  },
+  {
+    id: 'session-lifecycle',
+    title: 'Session Lifecycle',
+    icon: <RefreshCw className="w-5 h-5" />,
+    content: <SessionLifecycleSection />,
+  },
+  {
+    id: 'database',
+    title: 'Datenbank-Schema',
+    icon: <Database className="w-5 h-5" />,
+    content: <DatabaseSchemaSection />,
+  },
+]
 
 export default function ArchitecturePage() {
-  const [expandedSections, setExpandedSections] = useState<string[]>(['overview', 'agents', 'soul-files'])
+  const [expandedSections, setExpandedSections] = useState<string[]>([
+    'overview', 'agents', 'soul-files',
+  ])
 
   const toggleSection = (id: string) => {
     setExpandedSections(prev =>
@@ -22,654 +83,6 @@ export default function ArchitecturePage() {
     )
   }
 
-  const sections: Section[] = [
-    {
-      id: 'overview',
-      title: 'System-Uebersicht',
-      icon: <Layers className="w-5 h-5" />,
-      content: (
-        <div className="space-y-6">
-          <p className="text-gray-600">
-            Das Breakpilot Multi-Agent-System basiert auf dem Mission Control Konzept. Es ermoeglicht
-            die Koordination mehrerer spezialisierter KI-Agents, die gemeinsam komplexe Aufgaben loesen.
-          </p>
-
-          {/* Architecture Diagram */}
-          <div className="bg-gray-50 rounded-xl p-6 font-mono text-sm overflow-x-auto">
-            <pre className="text-gray-700">{`
-┌─────────────────────────────────────────────────────────────────┐
-│                     Breakpilot Services                          │
-│  ┌─────────────┐  ┌─────────────┐  ┌─────────────────────────┐  │
-│  │Voice Service│  │Klausur Svc  │  │  Admin-v2 / AlertAgent  │  │
-│  └──────┬──────┘  └──────┬──────┘  └───────────┬─────────────┘  │
-│         │                │                      │                │
-│         └────────────────┼──────────────────────┘                │
-│                          │                                       │
-│  ┌───────────────────────▼───────────────────────────────────┐  │
-│  │                    Agent Core                              │  │
-│  │  ┌─────────────┐  ┌─────────────┐  ┌───────────────────┐  │  │
-│  │  │   Sessions  │  │Shared Brain │  │   Orchestrator    │  │  │
-│  │  │ - Manager   │  │ - Memory    │  │ - Message Bus     │  │  │
-│  │  │ - Heartbeat │  │ - Context   │  │ - Supervisor      │  │  │
-│  │  │ - Checkpoint│  │ - Knowledge │  │ - Task Router     │  │  │
-│  │  └─────────────┘  └─────────────┘  └───────────────────┘  │  │
-│  └───────────────────────────────────────────────────────────┘  │
-│                          │                                       │
-│  ┌───────────────────────▼───────────────────────────────────┐  │
-│  │                   Infrastructure                           │  │
-│  │     Valkey (Redis)          PostgreSQL          Qdrant     │  │
-│  └───────────────────────────────────────────────────────────┘  │
-└─────────────────────────────────────────────────────────────────┘
-            `}</pre>
-          </div>
-
-          <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
-            <div className="bg-blue-50 border border-blue-200 rounded-xl p-4">
-              <div className="flex items-center gap-2 mb-2">
-                <Server className="w-5 h-5 text-blue-600" />
-                <span className="font-semibold text-blue-900">Session Management</span>
-              </div>
-              <p className="text-sm text-blue-700">
-                Verwaltet Agent-Lifecycles mit State Machine, Checkpoints und automatischer Recovery.
-              </p>
-            </div>
-            <div className="bg-purple-50 border border-purple-200 rounded-xl p-4">
-              <div className="flex items-center gap-2 mb-2">
-                <Brain className="w-5 h-5 text-purple-600" />
-                <span className="font-semibold text-purple-900">Shared Brain</span>
-              </div>
-              <p className="text-sm text-purple-700">
-                Gemeinsames Gedaechtnis fuer alle Agents mit TTL, Context-Verwaltung und Knowledge Graph.
-              </p>
-            </div>
-            <div className="bg-green-50 border border-green-200 rounded-xl p-4">
-              <div className="flex items-center gap-2 mb-2">
-                <GitBranch className="w-5 h-5 text-green-600" />
-                <span className="font-semibold text-green-900">Orchestrator</span>
-              </div>
-              <p className="text-sm text-green-700">
-                Message Bus, Supervisor und Task Router fuer die Agent-Koordination.
-              </p>
-            </div>
-          </div>
-        </div>
-      )
-    },
-    {
-      id: 'agents',
-      title: 'Agent-Typen',
-      icon: <Cpu className="w-5 h-5" />,
-      content: (
-        <div className="space-y-4">
-          <p className="text-gray-600 mb-4">
-            Jeder Agent hat eine spezialisierte Rolle im System. Die Agents kommunizieren ueber den Message Bus
-            und nutzen das Shared Brain fuer konsistente Entscheidungen.
-          </p>
-
-          <div className="grid gap-4">
-            {/* TutorAgent */}
-            <div className="border border-gray-200 rounded-xl p-4 hover:border-blue-300 transition-colors">
-              <div className="flex items-start gap-4">
-                <div className="p-3 bg-blue-100 rounded-lg">
-                  <Brain className="w-6 h-6 text-blue-600" />
-                </div>
-                <div className="flex-1">
-                  <h4 className="font-semibold text-gray-900">TutorAgent</h4>
-                  <p className="text-sm text-gray-600 mb-2">Lernbegleitung und Fragen beantworten</p>
-                  <div className="flex flex-wrap gap-2">
-                    <span className="px-2 py-1 bg-blue-50 text-blue-700 text-xs rounded-full">Geduldig</span>
-                    <span className="px-2 py-1 bg-blue-50 text-blue-700 text-xs rounded-full">Ermutigend</span>
-                    <span className="px-2 py-1 bg-blue-50 text-blue-700 text-xs rounded-full">Sokratisch</span>
-                  </div>
-                  <div className="mt-2 text-xs text-gray-500">
-                    SOUL: tutor-agent.soul.md | Routing: learning_*, help_*, question_*
-                  </div>
-                </div>
-              </div>
-            </div>
-
-            {/* GraderAgent */}
-            <div className="border border-gray-200 rounded-xl p-4 hover:border-green-300 transition-colors">
-              <div className="flex items-start gap-4">
-                <div className="p-3 bg-green-100 rounded-lg">
-                  <CheckCircle className="w-6 h-6 text-green-600" />
-                </div>
-                <div className="flex-1">
-                  <h4 className="font-semibold text-gray-900">GraderAgent</h4>
-                  <p className="text-sm text-gray-600 mb-2">Klausur-Korrektur und Bewertung</p>
-                  <div className="flex flex-wrap gap-2">
-                    <span className="px-2 py-1 bg-green-50 text-green-700 text-xs rounded-full">Objektiv</span>
-                    <span className="px-2 py-1 bg-green-50 text-green-700 text-xs rounded-full">Fair</span>
-                    <span className="px-2 py-1 bg-green-50 text-green-700 text-xs rounded-full">Konstruktiv</span>
-                  </div>
-                  <div className="mt-2 text-xs text-gray-500">
-                    SOUL: grader-agent.soul.md | Routing: grade_*, evaluate_*, correct_*
-                  </div>
-                </div>
-              </div>
-            </div>
-
-            {/* QualityJudge */}
-            <div className="border border-gray-200 rounded-xl p-4 hover:border-amber-300 transition-colors">
-              <div className="flex items-start gap-4">
-                <div className="p-3 bg-amber-100 rounded-lg">
-                  <Shield className="w-6 h-6 text-amber-600" />
-                </div>
-                <div className="flex-1">
-                  <h4 className="font-semibold text-gray-900">QualityJudge</h4>
-                  <p className="text-sm text-gray-600 mb-2">BQAS Qualitaetspruefung</p>
-                  <div className="flex flex-wrap gap-2">
-                    <span className="px-2 py-1 bg-amber-50 text-amber-700 text-xs rounded-full">Kritisch</span>
-                    <span className="px-2 py-1 bg-amber-50 text-amber-700 text-xs rounded-full">Praezise</span>
-                    <span className="px-2 py-1 bg-amber-50 text-amber-700 text-xs rounded-full">Schnell</span>
-                  </div>
-                  <div className="mt-2 text-xs text-gray-500">
-                    SOUL: quality-judge.soul.md | Routing: quality_*, review_*, validate_*
-                  </div>
-                </div>
-              </div>
-            </div>
-
-            {/* AlertAgent */}
-            <div className="border border-gray-200 rounded-xl p-4 hover:border-red-300 transition-colors">
-              <div className="flex items-start gap-4">
-                <div className="p-3 bg-red-100 rounded-lg">
-                  <AlertTriangle className="w-6 h-6 text-red-600" />
-                </div>
-                <div className="flex-1">
-                  <h4 className="font-semibold text-gray-900">AlertAgent</h4>
-                  <p className="text-sm text-gray-600 mb-2">Monitoring und Benachrichtigungen</p>
-                  <div className="flex flex-wrap gap-2">
-                    <span className="px-2 py-1 bg-red-50 text-red-700 text-xs rounded-full">Wachsam</span>
-                    <span className="px-2 py-1 bg-red-50 text-red-700 text-xs rounded-full">Proaktiv</span>
-                    <span className="px-2 py-1 bg-red-50 text-red-700 text-xs rounded-full">Priorisierend</span>
-                  </div>
-                  <div className="mt-2 text-xs text-gray-500">
-                    SOUL: alert-agent.soul.md | Routing: alert_*, monitor_*, notify_*
-                  </div>
-                </div>
-              </div>
-            </div>
-
-            {/* Orchestrator */}
-            <div className="border border-gray-200 rounded-xl p-4 hover:border-purple-300 transition-colors">
-              <div className="flex items-start gap-4">
-                <div className="p-3 bg-purple-100 rounded-lg">
-                  <MessageSquare className="w-6 h-6 text-purple-600" />
-                </div>
-                <div className="flex-1">
-                  <h4 className="font-semibold text-gray-900">Orchestrator</h4>
-                  <p className="text-sm text-gray-600 mb-2">Task-Koordination und Routing</p>
-                  <div className="flex flex-wrap gap-2">
-                    <span className="px-2 py-1 bg-purple-50 text-purple-700 text-xs rounded-full">Koordinierend</span>
-                    <span className="px-2 py-1 bg-purple-50 text-purple-700 text-xs rounded-full">Effizient</span>
-                    <span className="px-2 py-1 bg-purple-50 text-purple-700 text-xs rounded-full">Zuverlaessig</span>
-                  </div>
-                  <div className="mt-2 text-xs text-gray-500">
-                    SOUL: orchestrator.soul.md | Routing: Fallback fuer alle unbekannten Intents
-                  </div>
-                </div>
-              </div>
-            </div>
-          </div>
-        </div>
-      )
-    },
-    {
-      id: 'soul-files',
-      title: 'SOUL-Files (Persoenlichkeiten)',
-      icon: <FileText className="w-5 h-5" />,
-      content: (
-        <div className="space-y-4">
-          <p className="text-gray-600 mb-4">
-            SOUL-Dateien (Semantic Outline for Unified Learning) definieren die Persoenlichkeit und
-            Verhaltensregeln jedes Agents. Sie bestimmen, wie ein Agent kommuniziert, entscheidet und eskaliert.
-          </p>
-
-          <div className="bg-gray-900 rounded-xl p-6 text-gray-100 font-mono text-sm overflow-x-auto">
-            <div className="text-gray-400 mb-4"># Beispiel: tutor-agent.soul.md</div>
-            <pre className="text-green-400">{`
-# TutorAgent SOUL
-
-## Identitaet
-Du bist ein geduldiger, ermutigender Lernbegleiter fuer Schueler.
-Dein Ziel ist es, Verstaendnis zu foerdern, nicht Antworten vorzugeben.
-
-## Kommunikationsstil
-- Verwende einfache, klare Sprache
-- Stelle Rueckfragen, um Verstaendnis zu pruefen
-- Gib Hinweise statt direkter Loesungen
-- Feiere kleine Erfolge
-
-## Fachgebiete
-- Mathematik (Grundschule bis Abitur)
-- Naturwissenschaften (Physik, Chemie, Biologie)
-- Sprachen (Deutsch, Englisch)
-
-## Einschraenkungen
-- Gib NIEMALS vollstaendige Loesungen fuer Hausaufgaben
-- Verweise bei komplexen Themen auf Lehrkraefte
-- Erkenne Frustration und biete Pausen an
-
-## Eskalation
-- Bei wiederholtem Unverstaendnis: Schlage alternatives Erklaerformat vor
-- Bei emotionaler Belastung: Empfehle Gespraech mit Vertrauensperson
-- Bei technischen Problemen: Eskaliere an Support
-            `}</pre>
-          </div>
-
-          <div className="mt-6">
-            <h4 className="font-semibold text-gray-900 mb-3">SOUL-Struktur</h4>
-            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
-              <div className="bg-white border border-gray-200 rounded-lg p-4">
-                <h5 className="font-medium text-gray-900 mb-2">Identitaet</h5>
-                <p className="text-sm text-gray-600">Wer ist der Agent? Welche Rolle nimmt er ein?</p>
-              </div>
-              <div className="bg-white border border-gray-200 rounded-lg p-4">
-                <h5 className="font-medium text-gray-900 mb-2">Kommunikationsstil</h5>
-                <p className="text-sm text-gray-600">Wie kommuniziert der Agent mit Benutzern?</p>
-              </div>
-              <div className="bg-white border border-gray-200 rounded-lg p-4">
-                <h5 className="font-medium text-gray-900 mb-2">Fachgebiete</h5>
-                <p className="text-sm text-gray-600">In welchen Bereichen ist der Agent kompetent?</p>
-              </div>
-              <div className="bg-white border border-gray-200 rounded-lg p-4">
-                <h5 className="font-medium text-gray-900 mb-2">Einschraenkungen</h5>
-                <p className="text-sm text-gray-600">Was darf der Agent NICHT tun?</p>
-              </div>
-              <div className="bg-white border border-gray-200 rounded-lg p-4 md:col-span-2">
-                <h5 className="font-medium text-gray-900 mb-2">Eskalation</h5>
-                <p className="text-sm text-gray-600">Wann und wie eskaliert der Agent an andere Agents oder Menschen?</p>
-              </div>
-            </div>
-          </div>
-        </div>
-      )
-    },
-    {
-      id: 'message-bus',
-      title: 'Message Bus & Kommunikation',
-      icon: <MessageSquare className="w-5 h-5" />,
-      content: (
-        <div className="space-y-4">
-          <p className="text-gray-600 mb-4">
-            Der Message Bus ermoeglicht die asynchrone Kommunikation zwischen Agents via Redis Pub/Sub.
-            Er unterstuetzt Prioritaeten, Request-Response-Pattern und Broadcast-Nachrichten.
-          </p>
-
-          <div className="bg-gray-50 rounded-xl p-6 font-mono text-sm">
-            <div className="text-gray-500 mb-2"># Nachrichtenfluss</div>
-            <pre className="text-gray-700">{`
-┌──────────────┐                    ┌──────────────┐
-│   Sender     │                    │   Receiver   │
-│   (Agent)    │                    │   (Agent)    │
-└──────┬───────┘                    └──────▲───────┘
-       │                                   │
-       │ publish(AgentMessage)             │ handle(message)
-       │                                   │
-       ▼                                   │
-┌────────────────────────────────────────────────────────┐
-│                     Message Bus                         │
-│  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐    │
-│  │ Priority Q  │  │   Routing   │  │   Logging   │    │
-│  │ HIGH/NORMAL │  │   Rules     │  │   Audit     │    │
-│  └─────────────┘  └─────────────┘  └─────────────┘    │
-│                                                         │
-│                 Redis Pub/Sub                          │
-└────────────────────────────────────────────────────────┘
-            `}</pre>
-          </div>
-
-          <div className="mt-6">
-            <h4 className="font-semibold text-gray-900 mb-3">Nachrichtentypen</h4>
-            <div className="overflow-x-auto">
-              <table className="min-w-full border border-gray-200 rounded-lg">
-                <thead className="bg-gray-50">
-                  <tr>
-                    <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Typ</th>
-                    <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Prioritaet</th>
-                    <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Beschreibung</th>
-                  </tr>
-                </thead>
-                <tbody className="divide-y divide-gray-200">
-                  <tr>
-                    <td className="px-4 py-2 text-sm font-mono text-gray-700">task_request</td>
-                    <td className="px-4 py-2"><span className="px-2 py-1 bg-yellow-100 text-yellow-700 text-xs rounded">NORMAL</span></td>
-                    <td className="px-4 py-2 text-sm text-gray-600">Neue Aufgabe an Agent senden</td>
-                  </tr>
-                  <tr>
-                    <td className="px-4 py-2 text-sm font-mono text-gray-700">task_response</td>
-                    <td className="px-4 py-2"><span className="px-2 py-1 bg-yellow-100 text-yellow-700 text-xs rounded">NORMAL</span></td>
-                    <td className="px-4 py-2 text-sm text-gray-600">Antwort auf task_request</td>
-                  </tr>
-                  <tr>
-                    <td className="px-4 py-2 text-sm font-mono text-gray-700">escalation</td>
-                    <td className="px-4 py-2"><span className="px-2 py-1 bg-orange-100 text-orange-700 text-xs rounded">HIGH</span></td>
-                    <td className="px-4 py-2 text-sm text-gray-600">Eskalation an anderen Agent</td>
-                  </tr>
-                  <tr>
-                    <td className="px-4 py-2 text-sm font-mono text-gray-700">alert</td>
-                    <td className="px-4 py-2"><span className="px-2 py-1 bg-red-100 text-red-700 text-xs rounded">CRITICAL</span></td>
-                    <td className="px-4 py-2 text-sm text-gray-600">Kritische Benachrichtigung</td>
-                  </tr>
-                  <tr>
-                    <td className="px-4 py-2 text-sm font-mono text-gray-700">heartbeat</td>
-                    <td className="px-4 py-2"><span className="px-2 py-1 bg-gray-100 text-gray-700 text-xs rounded">LOW</span></td>
-                    <td className="px-4 py-2 text-sm text-gray-600">Liveness-Signal</td>
-                  </tr>
-                </tbody>
-              </table>
-            </div>
-          </div>
-        </div>
-      )
-    },
-    {
-      id: 'shared-brain',
-      title: 'Shared Brain (Gedaechtnis)',
-      icon: <Brain className="w-5 h-5" />,
-      content: (
-        <div className="space-y-4">
-          <p className="text-gray-600 mb-4">
-            Das Shared Brain speichert Wissen und Kontext, auf den alle Agents zugreifen koennen.
-            Es besteht aus drei Komponenten: Memory Store, Context Manager und Knowledge Graph.
-          </p>
-
-          <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
-            <div className="bg-white border border-gray-200 rounded-xl p-5">
-              <div className="flex items-center gap-2 mb-3">
-                <Database className="w-5 h-5 text-blue-600" />
-                <h4 className="font-semibold text-gray-900">Memory Store</h4>
-              </div>
-              <p className="text-sm text-gray-600 mb-3">
-                Langzeit-Gedaechtnis fuer Fakten, Entscheidungen und Lernfortschritte.
-              </p>
-              <ul className="text-xs text-gray-500 space-y-1">
-                <li>- TTL-basierte Expiration (30 Tage default)</li>
-                <li>- Access-Tracking (Haeufigkeit)</li>
-                <li>- Pattern-basierte Suche</li>
-                <li>- Hybrid: Redis + PostgreSQL</li>
-              </ul>
-            </div>
-
-            <div className="bg-white border border-gray-200 rounded-xl p-5">
-              <div className="flex items-center gap-2 mb-3">
-                <Activity className="w-5 h-5 text-purple-600" />
-                <h4 className="font-semibold text-gray-900">Context Manager</h4>
-              </div>
-              <p className="text-sm text-gray-600 mb-3">
-                Verwaltet Konversationskontext mit automatischer Komprimierung.
-              </p>
-              <ul className="text-xs text-gray-500 space-y-1">
-                <li>- Max 50 Messages pro Context</li>
-                <li>- Automatische Zusammenfassung</li>
-                <li>- System-Messages bleiben erhalten</li>
-                <li>- Entity-Extraktion</li>
-              </ul>
-            </div>
-
-            <div className="bg-white border border-gray-200 rounded-xl p-5">
-              <div className="flex items-center gap-2 mb-3">
-                <GitBranch className="w-5 h-5 text-green-600" />
-                <h4 className="font-semibold text-gray-900">Knowledge Graph</h4>
-              </div>
-              <p className="text-sm text-gray-600 mb-3">
-                Graph-basierte Darstellung von Entitaeten und ihren Beziehungen.
-              </p>
-              <ul className="text-xs text-gray-500 space-y-1">
-                <li>- Entitaeten: Student, Lehrer, Fach</li>
-                <li>- Beziehungen: lernt, unterrichtet</li>
-                <li>- BFS-basierte Pfadsuche</li>
-                <li>- Verwandte Entitaeten finden</li>
-              </ul>
-            </div>
-          </div>
-
-          <div className="bg-gray-50 rounded-xl p-6 font-mono text-sm mt-6">
-            <div className="text-gray-500 mb-2"># Memory Store Beispiel</div>
-            <pre className="text-gray-700">{`
-# Speichern
-await store.remember(
-    key="student:123:progress",
-    value={"level": 5, "score": 85, "topic": "algebra"},
-    agent_id="tutor-agent",
-    ttl_days=30
-)
-
-# Abrufen
-progress = await store.recall("student:123:progress")
-# → {"level": 5, "score": 85, "topic": "algebra"}
-
-# Suchen
-all_progress = await store.search("student:123:*")
-# → [Memory(...), Memory(...), ...]
-            `}</pre>
-          </div>
-        </div>
-      )
-    },
-    {
-      id: 'task-routing',
-      title: 'Task Routing',
-      icon: <Zap className="w-5 h-5" />,
-      content: (
-        <div className="space-y-4">
-          <p className="text-gray-600 mb-4">
-            Der Task Router entscheidet, welcher Agent eine Anfrage bearbeitet. Er verwendet
-            Intent-basierte Regeln mit Prioritaeten und Fallback-Ketten.
-          </p>
-
-          <div className="overflow-x-auto">
-            <table className="min-w-full border border-gray-200 rounded-lg">
-              <thead className="bg-gray-50">
-                <tr>
-                  <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Intent-Pattern</th>
-                  <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Ziel-Agent</th>
-                  <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Prioritaet</th>
-                  <th className="px-4 py-2 text-left text-sm font-medium text-gray-900">Fallback</th>
-                </tr>
-              </thead>
-              <tbody className="divide-y divide-gray-200">
-                <tr>
-                  <td className="px-4 py-2 text-sm font-mono text-blue-700">learning_*</td>
-                  <td className="px-4 py-2 text-sm text-gray-700">TutorAgent</td>
-                  <td className="px-4 py-2 text-sm text-gray-700">10</td>
-                  <td className="px-4 py-2 text-sm text-gray-500">Orchestrator</td>
-                </tr>
-                <tr>
-                  <td className="px-4 py-2 text-sm font-mono text-blue-700">help_*, question_*</td>
-                  <td className="px-4 py-2 text-sm text-gray-700">TutorAgent</td>
-                  <td className="px-4 py-2 text-sm text-gray-700">8</td>
-                  <td className="px-4 py-2 text-sm text-gray-500">Orchestrator</td>
-                </tr>
-                <tr>
-                  <td className="px-4 py-2 text-sm font-mono text-green-700">grade_*, evaluate_*</td>
-                  <td className="px-4 py-2 text-sm text-gray-700">GraderAgent</td>
-                  <td className="px-4 py-2 text-sm text-gray-700">10</td>
-                  <td className="px-4 py-2 text-sm text-gray-500">Orchestrator</td>
-                </tr>
-                <tr>
-                  <td className="px-4 py-2 text-sm font-mono text-amber-700">quality_*, review_*</td>
-                  <td className="px-4 py-2 text-sm text-gray-700">QualityJudge</td>
-                  <td className="px-4 py-2 text-sm text-gray-700">10</td>
-                  <td className="px-4 py-2 text-sm text-gray-500">GraderAgent</td>
-                </tr>
-                <tr>
-                  <td className="px-4 py-2 text-sm font-mono text-red-700">alert_*, monitor_*</td>
-                  <td className="px-4 py-2 text-sm text-gray-700">AlertAgent</td>
-                  <td className="px-4 py-2 text-sm text-gray-700">10</td>
-                  <td className="px-4 py-2 text-sm text-gray-500">Orchestrator</td>
-                </tr>
-                <tr className="bg-gray-50">
-                  <td className="px-4 py-2 text-sm font-mono text-gray-500">* (alle anderen)</td>
-                  <td className="px-4 py-2 text-sm text-gray-700">Orchestrator</td>
-                  <td className="px-4 py-2 text-sm text-gray-700">0</td>
-                  <td className="px-4 py-2 text-sm text-gray-500">-</td>
-                </tr>
-              </tbody>
-            </table>
-          </div>
-
-          <div className="mt-6 grid grid-cols-1 md:grid-cols-2 gap-4">
-            <div className="bg-white border border-gray-200 rounded-xl p-4">
-              <h4 className="font-semibold text-gray-900 mb-2">Routing-Strategien</h4>
-              <ul className="text-sm text-gray-600 space-y-2">
-                <li><span className="font-mono text-blue-600">ROUND_ROBIN</span> - Gleichmaessige Verteilung</li>
-                <li><span className="font-mono text-blue-600">LEAST_LOADED</span> - Agent mit wenigsten Tasks</li>
-                <li><span className="font-mono text-blue-600">PRIORITY</span> - Hoechste Prioritaet zuerst</li>
-                <li><span className="font-mono text-blue-600">RANDOM</span> - Zufaellige Auswahl</li>
-              </ul>
-            </div>
-            <div className="bg-white border border-gray-200 rounded-xl p-4">
-              <h4 className="font-semibold text-gray-900 mb-2">Fallback-Verhalten</h4>
-              <ul className="text-sm text-gray-600 space-y-2">
-                <li>1. Versuche Ziel-Agent zu erreichen</li>
-                <li>2. Bei Timeout: Fallback-Agent nutzen</li>
-                <li>3. Bei Fehler: Orchestrator uebernimmt</li>
-                <li>4. Bei kritischen Fehlern: Alert an Admin</li>
-              </ul>
-            </div>
-          </div>
-        </div>
-      )
-    },
-    {
-      id: 'session-lifecycle',
-      title: 'Session Lifecycle',
-      icon: <RefreshCw className="w-5 h-5" />,
-      content: (
-        <div className="space-y-4">
-          <p className="text-gray-600 mb-4">
-            Sessions verwalten den Zustand von Agent-Interaktionen. Jede Session hat einen definierten
-            Lebenszyklus mit Checkpoints fuer Recovery.
-          </p>
-
-          <div className="bg-gray-50 rounded-xl p-6 font-mono text-sm">
-            <div className="text-gray-500 mb-2"># Session State Machine</div>
-            <pre className="text-gray-700">{`
-                    ┌─────────────────────────────────────┐
-                    │                                     │
-                    ▼                                     │
-┌──────────┐    ┌──────────┐    ┌──────────┐    ┌──────────┐
-│  ACTIVE  │───▶│  PAUSED  │───▶│ COMPLETED│    │  FAILED  │
-└──────────┘    └──────────┘    └──────────┘    └──────────┘
-     │               │                               ▲
-     │               │                               │
-     └───────────────┴───────────────────────────────┘
-                          (bei Fehler)
-
-States:
-- ACTIVE: Session laeuft, Agent verarbeitet Tasks
-- PAUSED: Session pausiert, wartet auf Eingabe
-- COMPLETED: Session erfolgreich beendet
-- FAILED: Session mit Fehler beendet
-            `}</pre>
-          </div>
-
-          <div className="mt-6">
-            <h4 className="font-semibold text-gray-900 mb-3">Heartbeat Monitoring</h4>
-            <div className="bg-white border border-gray-200 rounded-xl p-5">
-              <div className="grid grid-cols-3 gap-4 text-center">
-                <div>
-                  <div className="text-2xl font-bold text-gray-900">30s</div>
-                  <div className="text-sm text-gray-500">Timeout</div>
-                </div>
-                <div>
-                  <div className="text-2xl font-bold text-gray-900">5s</div>
-                  <div className="text-sm text-gray-500">Check Interval</div>
-                </div>
-                <div>
-                  <div className="text-2xl font-bold text-gray-900">3</div>
-                  <div className="text-sm text-gray-500">Max Missed Beats</div>
-                </div>
-              </div>
-              <p className="text-sm text-gray-600 mt-4 text-center">
-                Nach 3 verpassten Heartbeats wird der Agent als ausgefallen markiert und die
-                Restart-Policy greift (max. 3 Versuche).
-              </p>
-            </div>
-          </div>
-        </div>
-      )
-    },
-    {
-      id: 'database',
-      title: 'Datenbank-Schema',
-      icon: <Database className="w-5 h-5" />,
-      content: (
-        <div className="space-y-4">
-          <p className="text-gray-600 mb-4">
-            Das Agent-System nutzt PostgreSQL fuer persistente Daten und Valkey (Redis) fuer Caching und Pub/Sub.
-          </p>
-
-          <div className="space-y-4">
-            {/* agent_sessions */}
-            <div className="bg-white border border-gray-200 rounded-xl p-4">
-              <h4 className="font-semibold text-gray-900 mb-2 font-mono">agent_sessions</h4>
-              <p className="text-sm text-gray-600 mb-3">Speichert Session-Daten mit Checkpoints</p>
-              <div className="bg-gray-50 rounded-lg p-3 font-mono text-xs overflow-x-auto">
-                <pre>{`
-CREATE TABLE agent_sessions (
-    id UUID PRIMARY KEY,
-    agent_type VARCHAR(50) NOT NULL,
-    user_id UUID REFERENCES users(id),
-    state VARCHAR(20) NOT NULL DEFAULT 'active',
-    context JSONB DEFAULT '{}',
-    checkpoints JSONB DEFAULT '[]',
-    created_at TIMESTAMPTZ DEFAULT NOW(),
-    updated_at TIMESTAMPTZ DEFAULT NOW(),
-    last_heartbeat TIMESTAMPTZ DEFAULT NOW()
-);
-                `}</pre>
-              </div>
-            </div>
-
-            {/* agent_memory */}
-            <div className="bg-white border border-gray-200 rounded-xl p-4">
-              <h4 className="font-semibold text-gray-900 mb-2 font-mono">agent_memory</h4>
-              <p className="text-sm text-gray-600 mb-3">Langzeit-Gedaechtnis mit TTL</p>
-              <div className="bg-gray-50 rounded-lg p-3 font-mono text-xs overflow-x-auto">
-                <pre>{`
-CREATE TABLE agent_memory (
-    id UUID PRIMARY KEY,
-    namespace VARCHAR(100) NOT NULL,
-    key VARCHAR(500) NOT NULL,
-    value JSONB NOT NULL,
-    agent_id VARCHAR(50) NOT NULL,
-    access_count INTEGER DEFAULT 0,
-    created_at TIMESTAMPTZ DEFAULT NOW(),
-    expires_at TIMESTAMPTZ,
-    UNIQUE(namespace, key)
-);
-                `}</pre>
-              </div>
-            </div>
-
-            {/* agent_messages */}
-            <div className="bg-white border border-gray-200 rounded-xl p-4">
-              <h4 className="font-semibold text-gray-900 mb-2 font-mono">agent_messages</h4>
-              <p className="text-sm text-gray-600 mb-3">Audit-Trail fuer Inter-Agent Kommunikation</p>
-              <div className="bg-gray-50 rounded-lg p-3 font-mono text-xs overflow-x-auto">
-                <pre>{`
-CREATE TABLE agent_messages (
-    id UUID PRIMARY KEY,
-    sender VARCHAR(50) NOT NULL,
-    receiver VARCHAR(50) NOT NULL,
-    message_type VARCHAR(50) NOT NULL,
-    payload JSONB NOT NULL,
-    priority INTEGER DEFAULT 1,
-    correlation_id UUID,
-    created_at TIMESTAMPTZ DEFAULT NOW()
-);
-                `}</pre>
-              </div>
-            </div>
-          </div>
-        </div>
-      )
-    }
-  ]
-
   return (
     <div className="p-6 max-w-5xl mx-auto">
       {/* Header */}
@@ -696,7 +109,7 @@ CREATE TABLE agent_messages (
       <div className="bg-gray-50 rounded-xl p-5 mb-8">
         <h2 className="font-semibold text-gray-900 mb-3">Inhaltsverzeichnis</h2>
         <div className="grid grid-cols-2 md:grid-cols-4 gap-2">
-          {sections.map(section => (
+          {SECTIONS.map(section => (
             <button
               key={section.id}
               onClick={() => {
@@ -716,7 +129,7 @@ CREATE TABLE agent_messages (
 
       {/* Sections */}
       <div className="space-y-4">
-        {sections.map(section => (
+        {SECTIONS.map(section => (
           <div
             key={section.id}
             id={section.id}
@@ -749,7 +162,7 @@ CREATE TABLE agent_messages (
 
       {/* Footer Links */}
       <div className="mt-8 bg-teal-50 border border-teal-200 rounded-xl p-5">
-        <h3 className="font-semibold text-teal-900 mb-3">Weiterführende Ressourcen</h3>
+        <h3 className="font-semibold text-teal-900 mb-3">Weiterfuehrende Ressourcen</h3>
         <div className="grid grid-cols-1 md:grid-cols-3 gap-3">
           <Link
             href="/ai/agents"

admin-lehrer/app/(admin)/ai/ocr-labeling/_components/ExportTab.tsx

@@ -0,0 +1,134 @@
+'use client'
+
+/**
+ * Export tab: export training data in various formats.
+ */
+
+import { useState } from 'react'
+import Link from 'next/link'
+import { API_BASE } from '../constants'
+import type { OCRSession, OCRStats } from '../types'
+
+interface ExportTabProps {
+  sessions: OCRSession[]
+  selectedSession: string | null
+  setSelectedSession: (id: string | null) => void
+  stats: OCRStats | null
+  setError: (error: string | null) => void
+}
+
+export function ExportTab({
+  sessions,
+  selectedSession,
+  setSelectedSession,
+  stats,
+  setError,
+}: ExportTabProps) {
+  const [exportFormat, setExportFormat] = useState<'generic' | 'trocr' | 'llama_vision'>('generic')
+  const [exporting, setExporting] = useState(false)
+  const [exportResult, setExportResult] = useState<{
+    exported_count: number
+    batch_id: string
+    samples?: Array<Record<string, unknown>>
+  } | null>(null)
+
+  const handleExport = async () => {
+    setExporting(true)
+    try {
+      const res = await fetch(`${API_BASE}/api/v1/ocr-label/export`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({
+          export_format: exportFormat,
+          session_id: selectedSession,
+        }),
+      })
+
+      if (res.ok) {
+        const data = await res.json()
+        setExportResult(data)
+      } else {
+        setError('Export fehlgeschlagen')
+      }
+    } catch {
+      setError('Netzwerkfehler')
+    } finally {
+      setExporting(false)
+    }
+  }
+
+  return (
+    <div className="space-y-6">
+      <div className="bg-white rounded-lg shadow p-6">
+        <h3 className="text-lg font-semibold mb-4">Training-Daten exportieren</h3>
+        <div className="space-y-4">
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-1">Export-Format</label>
+            <select
+              value={exportFormat}
+              onChange={(e) => setExportFormat(e.target.value as typeof exportFormat)}
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
+            >
+              <option value="generic">Generic JSON</option>
+              <option value="trocr">TrOCR Fine-Tuning</option>
+              <option value="llama_vision">Llama Vision Fine-Tuning</option>
+            </select>
+          </div>
+
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-1">Session (optional)</label>
+            <select
+              value={selectedSession || ''}
+              onChange={(e) => setSelectedSession(e.target.value || null)}
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
+            >
+              <option value="">Alle Sessions</option>
+              {sessions.map((session) => (
+                <option key={session.id} value={session.id}>{session.name}</option>
+              ))}
+            </select>
+          </div>
+
+          <button
+            onClick={handleExport}
+            disabled={exporting || (stats?.exportable_items || 0) === 0}
+            className="w-full px-4 py-2 bg-primary-600 text-white rounded-lg hover:bg-primary-700 disabled:opacity-50"
+          >
+            {exporting ? 'Exportiere...' : `${stats?.exportable_items || 0} Samples exportieren`}
+          </button>
+
+          {/* Cross-Link to Magic Help for TrOCR Fine-Tuning */}
+          {exportFormat === 'trocr' && (stats?.exportable_items || 0) > 0 && (
+            <Link
+              href="/ai/magic-help?source=ocr-labeling"
+              className="w-full mt-3 px-4 py-2 bg-purple-100 text-purple-700 border border-purple-300 rounded-lg hover:bg-purple-200 flex items-center justify-center gap-2 transition-colors"
+            >
+              <span>✨</span>
+              Mit Magic Help testen & fine-tunen
+            </Link>
+          )}
+        </div>
+      </div>
+
+      {exportResult && (
+        <div className="bg-white rounded-lg shadow p-6">
+          <h3 className="text-lg font-semibold mb-4">Export-Ergebnis</h3>
+          <div className="bg-green-50 border border-green-200 rounded-lg p-4 mb-4">
+            <p className="text-green-800">
+              {exportResult.exported_count} Samples erfolgreich exportiert
+            </p>
+            <p className="text-sm text-green-600">
+              Batch: {exportResult.batch_id}
+            </p>
+          </div>
+          <div className="bg-slate-50 p-4 rounded-lg overflow-auto max-h-64">
+            <pre className="text-xs">{JSON.stringify(exportResult.samples?.slice(0, 3), null, 2)}</pre>
+            {(exportResult.samples?.length || 0) > 3 && (
+              <p className="text-slate-500 mt-2">... und {(exportResult.samples?.length ?? 0) - 3} weitere</p>
+            )}
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/ocr-labeling/_components/LabelingTab.tsx

@@ -0,0 +1,197 @@
+'use client'
+
+/**
+ * Labeling tab: image viewer, OCR text, correction input, and queue preview.
+ */
+
+import { API_BASE } from '../constants'
+import type { OCRItem } from '../types'
+
+interface LabelingTabProps {
+  queue: OCRItem[]
+  currentItem: OCRItem | null
+  currentIndex: number
+  correctedText: string
+  setCorrectedText: (text: string) => void
+  goToNext: () => void
+  goToPrev: () => void
+  selectQueueItem: (idx: number) => void
+  confirmItem: () => void
+  correctItem: () => void
+  skipItem: () => void
+}
+
+export function LabelingTab({
+  queue,
+  currentItem,
+  currentIndex,
+  correctedText,
+  setCorrectedText,
+  goToNext,
+  goToPrev,
+  selectQueueItem,
+  confirmItem,
+  correctItem,
+  skipItem,
+}: LabelingTabProps) {
+  return (
+    <div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
+      {/* Left: Image Viewer */}
+      <div className="lg:col-span-2 bg-white rounded-lg shadow p-4">
+        <div className="flex items-center justify-between mb-4">
+          <h3 className="text-lg font-semibold">Bild</h3>
+          <div className="flex items-center gap-2">
+            <button
+              onClick={goToPrev}
+              disabled={currentIndex === 0}
+              className="p-2 rounded hover:bg-slate-100 disabled:opacity-50"
+              title="Zurueck (Pfeiltaste links)"
+            >
+              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" />
+              </svg>
+            </button>
+            <span className="text-sm text-slate-600">
+              {currentIndex + 1} / {queue.length}
+            </span>
+            <button
+              onClick={goToNext}
+              disabled={currentIndex >= queue.length - 1}
+              className="p-2 rounded hover:bg-slate-100 disabled:opacity-50"
+              title="Weiter (Pfeiltaste rechts)"
+            >
+              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" />
+              </svg>
+            </button>
+          </div>
+        </div>
+
+        {currentItem ? (
+          <div className="relative bg-slate-100 rounded-lg overflow-hidden" style={{ minHeight: '400px' }}>
+            <img
+              src={currentItem.image_url || `${API_BASE}${currentItem.image_path}`}
+              alt="OCR Bild"
+              className="w-full h-auto max-h-[600px] object-contain"
+              onError={(e) => {
+                const target = e.target as HTMLImageElement
+                target.style.display = 'none'
+              }}
+            />
+          </div>
+        ) : (
+          <div className="flex items-center justify-center h-64 bg-slate-100 rounded-lg">
+            <p className="text-slate-500">Keine Bilder in der Warteschlange</p>
+          </div>
+        )}
+      </div>
+
+      {/* Right: OCR Text & Actions */}
+      <div className="bg-white rounded-lg shadow p-4">
+        <div className="space-y-4">
+          {/* OCR Result */}
+          <div>
+            <div className="flex items-center justify-between mb-2">
+              <h3 className="text-lg font-semibold">OCR-Ergebnis</h3>
+              {currentItem?.ocr_confidence && (
+                <span className={`text-sm px-2 py-1 rounded ${
+                  currentItem.ocr_confidence > 0.8
+                    ? 'bg-green-100 text-green-800'
+                    : currentItem.ocr_confidence > 0.5
+                    ? 'bg-yellow-100 text-yellow-800'
+                    : 'bg-red-100 text-red-800'
+                }`}>
+                  {Math.round(currentItem.ocr_confidence * 100)}% Konfidenz
+                </span>
+              )}
+            </div>
+            <div className="bg-slate-50 p-3 rounded-lg min-h-[100px] text-sm">
+              {currentItem?.ocr_text || <span className="text-slate-400">Kein OCR-Text</span>}
+            </div>
+          </div>
+
+          {/* Correction Input */}
+          <div>
+            <h3 className="text-lg font-semibold mb-2">Korrektur</h3>
+            <textarea
+              value={correctedText}
+              onChange={(e) => setCorrectedText(e.target.value)}
+              placeholder="Korrigierter Text..."
+              className="w-full h-32 p-3 border border-slate-200 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent"
+            />
+          </div>
+
+          {/* Actions */}
+          <div className="flex flex-col gap-2">
+            <button
+              onClick={confirmItem}
+              disabled={!currentItem}
+              className="w-full px-4 py-3 bg-green-600 text-white rounded-lg hover:bg-green-700 disabled:opacity-50 flex items-center justify-center gap-2"
+            >
+              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
+              </svg>
+              Korrekt (Enter)
+            </button>
+            <button
+              onClick={correctItem}
+              disabled={!currentItem || !correctedText.trim() || correctedText === currentItem?.ocr_text}
+              className="w-full px-4 py-3 bg-primary-600 text-white rounded-lg hover:bg-primary-700 disabled:opacity-50 flex items-center justify-center gap-2"
+            >
+              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15.232 5.232l3.536 3.536m-2.036-5.036a2.5 2.5 0 113.536 3.536L6.5 21.036H3v-3.572L16.732 3.732z" />
+              </svg>
+              Korrektur speichern
+            </button>
+            <button
+              onClick={skipItem}
+              disabled={!currentItem}
+              className="w-full px-4 py-2 bg-slate-200 text-slate-700 rounded-lg hover:bg-slate-300 disabled:opacity-50 flex items-center justify-center gap-2"
+            >
+              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 5l7 7-7 7M5 5l7 7-7 7" />
+              </svg>
+              Ueberspringen (S)
+            </button>
+          </div>
+
+          {/* Keyboard Shortcuts */}
+          <div className="text-xs text-slate-500 mt-4">
+            <p className="font-medium mb-1">Tastaturkuerzel:</p>
+            <p>Enter = Bestaetigen | S = Ueberspringen</p>
+            <p>Pfeiltasten = Navigation</p>
+          </div>
+        </div>
+      </div>
+
+      {/* Bottom: Queue Preview */}
+      <div className="lg:col-span-3 bg-white rounded-lg shadow p-4">
+        <h3 className="text-lg font-semibold mb-4">Warteschlange ({queue.length} Items)</h3>
+        <div className="flex gap-2 overflow-x-auto pb-2">
+          {queue.slice(0, 10).map((item, idx) => (
+            <button
+              key={item.id}
+              onClick={() => selectQueueItem(idx)}
+              className={`flex-shrink-0 w-24 h-24 rounded-lg overflow-hidden border-2 ${
+                idx === currentIndex
+                  ? 'border-primary-500'
+                  : 'border-transparent hover:border-slate-300'
+              }`}
+            >
+              <img
+                src={item.image_url || `${API_BASE}${item.image_path}`}
+                alt=""
+                className="w-full h-full object-cover"
+              />
+            </button>
+          ))}
+          {queue.length > 10 && (
+            <div className="flex-shrink-0 w-24 h-24 rounded-lg bg-slate-100 flex items-center justify-center text-slate-500">
+              +{queue.length - 10} mehr
+            </div>
+          )}
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/ocr-labeling/_components/SessionsTab.tsx

@@ -0,0 +1,166 @@
+'use client'
+
+/**
+ * Sessions tab: create new sessions and list existing ones.
+ */
+
+import { useState } from 'react'
+import { API_BASE } from '../constants'
+import type { OCRSession, CreateSessionRequest, OCRModel } from '../types'
+
+interface SessionsTabProps {
+  sessions: OCRSession[]
+  selectedSession: string | null
+  setSelectedSession: (id: string | null) => void
+  fetchSessions: () => Promise<void>
+  setError: (error: string | null) => void
+}
+
+export function SessionsTab({
+  sessions,
+  selectedSession,
+  setSelectedSession,
+  fetchSessions,
+  setError,
+}: SessionsTabProps) {
+  const [newSession, setNewSession] = useState<CreateSessionRequest>({
+    name: '',
+    source_type: 'klausur',
+    description: '',
+    ocr_model: 'llama3.2-vision:11b',
+  })
+
+  const createSession = async () => {
+    try {
+      const res = await fetch(`${API_BASE}/api/v1/ocr-label/sessions`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(newSession),
+      })
+
+      if (res.ok) {
+        setNewSession({ name: '', source_type: 'klausur', description: '', ocr_model: 'llama3.2-vision:11b' })
+        fetchSessions()
+      } else {
+        setError('Session erstellen fehlgeschlagen')
+      }
+    } catch {
+      setError('Netzwerkfehler')
+    }
+  }
+
+  return (
+    <div className="space-y-6">
+      {/* Create Session */}
+      <div className="bg-white rounded-lg shadow p-6">
+        <h3 className="text-lg font-semibold mb-4">Neue Session erstellen</h3>
+        <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-1">Name</label>
+            <input
+              type="text"
+              value={newSession.name}
+              onChange={(e) => setNewSession(prev => ({ ...prev, name: e.target.value }))}
+              placeholder="z.B. Mathe Klausur Q1 2025"
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
+            />
+          </div>
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-1">Typ</label>
+            <select
+              value={newSession.source_type}
+              onChange={(e) => setNewSession(prev => ({ ...prev, source_type: e.target.value as 'klausur' | 'handwriting_sample' | 'scan' }))}
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
+            >
+              <option value="klausur">Klausur</option>
+              <option value="handwriting_sample">Handschriftprobe</option>
+              <option value="scan">Scan</option>
+            </select>
+          </div>
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-1">OCR Modell</label>
+            <select
+              value={newSession.ocr_model}
+              onChange={(e) => setNewSession(prev => ({ ...prev, ocr_model: e.target.value as OCRModel }))}
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
+            >
+              <option value="llama3.2-vision:11b">llama3.2-vision:11b - Vision LLM (Standard)</option>
+              <option value="trocr">TrOCR - Microsoft Transformer (schnell)</option>
+              <option value="paddleocr">PaddleOCR + LLM (4x schneller)</option>
+              <option value="donut">Donut - Document Understanding (strukturiert)</option>
+            </select>
+            <p className="mt-1 text-xs text-slate-500">
+              {newSession.ocr_model === 'paddleocr' && 'PaddleOCR erkennt Text schnell, LLM strukturiert die Ergebnisse.'}
+              {newSession.ocr_model === 'donut' && 'Speziell fuer Dokumente mit Tabellen und Formularen.'}
+              {newSession.ocr_model === 'trocr' && 'Schnelles Transformer-Modell fuer gedruckten Text.'}
+              {newSession.ocr_model === 'llama3.2-vision:11b' && 'Beste Qualitaet bei Handschrift, aber langsamer.'}
+            </p>
+          </div>
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-1">Beschreibung</label>
+            <input
+              type="text"
+              value={newSession.description}
+              onChange={(e) => setNewSession(prev => ({ ...prev, description: e.target.value }))}
+              placeholder="Optional..."
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
+            />
+          </div>
+        </div>
+        <button
+          onClick={createSession}
+          disabled={!newSession.name}
+          className="mt-4 px-4 py-2 bg-primary-600 text-white rounded-lg hover:bg-primary-700 disabled:opacity-50"
+        >
+          Session erstellen
+        </button>
+      </div>
+
+      {/* Sessions List */}
+      <div className="bg-white rounded-lg shadow">
+        <div className="px-6 py-4 border-b border-slate-200">
+          <h3 className="text-lg font-semibold">Sessions ({sessions.length})</h3>
+        </div>
+        <div className="divide-y divide-slate-200">
+          {sessions.map((session) => (
+            <div
+              key={session.id}
+              className={`p-4 hover:bg-slate-50 cursor-pointer ${
+                selectedSession === session.id ? 'bg-primary-50 border-l-4 border-primary-500' : ''
+              }`}
+              onClick={() => setSelectedSession(session.id === selectedSession ? null : session.id)}
+            >
+              <div className="flex items-center justify-between">
+                <div>
+                  <h4 className="font-medium">{session.name}</h4>
+                  <p className="text-sm text-slate-500">
+                    {session.source_type} | {session.ocr_model}
+                  </p>
+                </div>
+                <div className="text-right">
+                  <p className="text-sm font-medium">
+                    {session.labeled_items}/{session.total_items} gelabelt
+                  </p>
+                  <div className="w-32 bg-slate-200 rounded-full h-2 mt-1">
+                    <div
+                      className="bg-primary-600 rounded-full h-2"
+                      style={{
+                        width: `${session.total_items > 0 ? (session.labeled_items / session.total_items) * 100 : 0}%`
+                      }}
+                    />
+                  </div>
+                </div>
+              </div>
+              {session.description && (
+                <p className="text-sm text-slate-600 mt-2">{session.description}</p>
+              )}
+            </div>
+          ))}
+          {sessions.length === 0 && (
+            <p className="p-4 text-slate-500 text-center">Keine Sessions vorhanden</p>
+          )}
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/ocr-labeling/_components/StatsTab.tsx

@@ -0,0 +1,76 @@
+'use client'
+
+/**
+ * Stats tab: global statistics, detailed breakdown, and progress bar.
+ */
+
+import type { OCRStats } from '../types'
+
+interface StatsTabProps {
+  stats: OCRStats | null
+}
+
+export function StatsTab({ stats }: StatsTabProps) {
+  return (
+    <div className="space-y-6">
+      {/* Global Stats */}
+      <div className="grid grid-cols-1 md:grid-cols-4 gap-4">
+        <div className="bg-white rounded-lg shadow p-6">
+          <h4 className="text-sm font-medium text-slate-500">Gesamt Items</h4>
+          <p className="text-3xl font-bold mt-2">{stats?.total_items || 0}</p>
+        </div>
+        <div className="bg-white rounded-lg shadow p-6">
+          <h4 className="text-sm font-medium text-slate-500">Gelabelt</h4>
+          <p className="text-3xl font-bold mt-2 text-green-600">{stats?.labeled_items || 0}</p>
+        </div>
+        <div className="bg-white rounded-lg shadow p-6">
+          <h4 className="text-sm font-medium text-slate-500">Ausstehend</h4>
+          <p className="text-3xl font-bold mt-2 text-yellow-600">{stats?.pending_items || 0}</p>
+        </div>
+        <div className="bg-white rounded-lg shadow p-6">
+          <h4 className="text-sm font-medium text-slate-500">OCR-Genauigkeit</h4>
+          <p className="text-3xl font-bold mt-2">{stats?.accuracy_rate || 0}%</p>
+        </div>
+      </div>
+
+      {/* Detailed Stats */}
+      <div className="bg-white rounded-lg shadow p-6">
+        <h3 className="text-lg font-semibold mb-4">Details</h3>
+        <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+          <div>
+            <p className="text-sm text-slate-500">Bestaetigt</p>
+            <p className="text-xl font-semibold text-green-600">{stats?.confirmed_items || 0}</p>
+          </div>
+          <div>
+            <p className="text-sm text-slate-500">Korrigiert</p>
+            <p className="text-xl font-semibold text-primary-600">{stats?.corrected_items || 0}</p>
+          </div>
+          <div>
+            <p className="text-sm text-slate-500">Exportierbar</p>
+            <p className="text-xl font-semibold">{stats?.exportable_items || 0}</p>
+          </div>
+          <div>
+            <p className="text-sm text-slate-500">Durchschn. Label-Zeit</p>
+            <p className="text-xl font-semibold">{stats?.avg_label_time_seconds || 0}s</p>
+          </div>
+        </div>
+      </div>
+
+      {/* Progress Bar */}
+      {stats?.total_items ? (
+        <div className="bg-white rounded-lg shadow p-6">
+          <h3 className="text-lg font-semibold mb-4">Fortschritt</h3>
+          <div className="w-full bg-slate-200 rounded-full h-4">
+            <div
+              className="bg-primary-600 rounded-full h-4 transition-all"
+              style={{ width: `${(stats.labeled_items / stats.total_items) * 100}%` }}
+            />
+          </div>
+          <p className="text-sm text-slate-500 mt-2">
+            {Math.round((stats.labeled_items / stats.total_items) * 100)}% abgeschlossen
+          </p>
+        </div>
+      ) : null}
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/ocr-labeling/_components/UploadTab.tsx

@@ -0,0 +1,160 @@
+'use client'
+
+/**
+ * Upload tab: session selection, drag-and-drop upload, and upload results.
+ */
+
+import { useState, useRef } from 'react'
+import { API_BASE } from '../constants'
+import type { OCRSession, UploadResult } from '../types'
+
+interface UploadTabProps {
+  sessions: OCRSession[]
+  selectedSession: string | null
+  setSelectedSession: (id: string | null) => void
+  fetchQueue: () => Promise<void>
+  fetchStats: () => Promise<void>
+  setError: (error: string | null) => void
+}
+
+export function UploadTab({
+  sessions,
+  selectedSession,
+  setSelectedSession,
+  fetchQueue,
+  fetchStats,
+  setError,
+}: UploadTabProps) {
+  const [uploading, setUploading] = useState(false)
+  const [uploadResults, setUploadResults] = useState<UploadResult[]>([])
+  const fileInputRef = useRef<HTMLInputElement>(null)
+
+  const handleUpload = async (files: FileList) => {
+    if (!selectedSession) {
+      setError('Bitte zuerst eine Session auswaehlen')
+      return
+    }
+
+    setUploading(true)
+    const formData = new FormData()
+    Array.from(files).forEach(file => formData.append('files', file))
+    formData.append('run_ocr', 'true')
+
+    try {
+      const res = await fetch(`${API_BASE}/api/v1/ocr-label/sessions/${selectedSession}/upload`, {
+        method: 'POST',
+        body: formData,
+      })
+
+      if (res.ok) {
+        const data = await res.json()
+        setUploadResults(data.items || [])
+        fetchQueue()
+        fetchStats()
+      } else {
+        setError('Upload fehlgeschlagen')
+      }
+    } catch {
+      setError('Netzwerkfehler beim Upload')
+    } finally {
+      setUploading(false)
+    }
+  }
+
+  return (
+    <div className="space-y-6">
+      {/* Session Selection */}
+      <div className="bg-white rounded-lg shadow p-6">
+        <h3 className="text-lg font-semibold mb-4">Session auswaehlen</h3>
+        <select
+          value={selectedSession || ''}
+          onChange={(e) => setSelectedSession(e.target.value || null)}
+          className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
+        >
+          <option value="">-- Session waehlen --</option>
+          {sessions.map((session) => (
+            <option key={session.id} value={session.id}>
+              {session.name} ({session.total_items} Items)
+            </option>
+          ))}
+        </select>
+      </div>
+
+      {/* Upload Area */}
+      <div className="bg-white rounded-lg shadow p-6">
+        <h3 className="text-lg font-semibold mb-4">Bilder hochladen</h3>
+        <div
+          className={`border-2 border-dashed rounded-lg p-8 text-center ${
+            selectedSession ? 'border-slate-300 hover:border-primary-500' : 'border-slate-200 opacity-50'
+          }`}
+          onDragOver={(e) => {
+            e.preventDefault()
+            e.currentTarget.classList.add('border-primary-500', 'bg-primary-50')
+          }}
+          onDragLeave={(e) => {
+            e.currentTarget.classList.remove('border-primary-500', 'bg-primary-50')
+          }}
+          onDrop={(e) => {
+            e.preventDefault()
+            e.currentTarget.classList.remove('border-primary-500', 'bg-primary-50')
+            if (e.dataTransfer.files.length > 0) {
+              handleUpload(e.dataTransfer.files)
+            }
+          }}
+        >
+          <input
+            ref={fileInputRef}
+            type="file"
+            multiple
+            accept="image/png,image/jpeg,image/jpg"
+            onChange={(e) => e.target.files && handleUpload(e.target.files)}
+            className="hidden"
+            disabled={!selectedSession}
+          />
+          {uploading ? (
+            <div className="flex flex-col items-center gap-2">
+              <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary-600" />
+              <p>Hochladen & OCR ausfuehren...</p>
+            </div>
+          ) : (
+            <>
+              <svg className="w-12 h-12 text-slate-400 mx-auto mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z" />
+              </svg>
+              <p className="text-slate-600 mb-2">
+                Bilder hierher ziehen oder{' '}
+                <button
+                  onClick={() => fileInputRef.current?.click()}
+                  disabled={!selectedSession}
+                  className="text-primary-600 hover:underline"
+                >
+                  auswaehlen
+                </button>
+              </p>
+              <p className="text-sm text-slate-500">PNG, JPG (max. 10MB pro Bild)</p>
+            </>
+          )}
+        </div>
+      </div>
+
+      {/* Upload Results */}
+      {uploadResults.length > 0 && (
+        <div className="bg-white rounded-lg shadow p-6">
+          <h3 className="text-lg font-semibold mb-4">Upload-Ergebnisse ({uploadResults.length})</h3>
+          <div className="space-y-2">
+            {uploadResults.map((result) => (
+              <div key={result.id} className="flex items-center justify-between p-2 bg-slate-50 rounded">
+                <span className="text-sm">{result.filename}</span>
+                <span className={`text-xs px-2 py-1 rounded ${
+                  result.ocr_text ? 'bg-green-100 text-green-800' : 'bg-yellow-100 text-yellow-800'
+                }`}>
+                  {result.ocr_text ? `OCR OK (${Math.round((result.ocr_confidence || 0) * 100)}%)` : 'Kein OCR'}
+                </span>
+              </div>
+            ))}
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/ocr-labeling/constants.tsx

@@ -0,0 +1,59 @@
+/**
+ * Constants and tab definitions for OCR Labeling page.
+ */
+
+import type { JSX } from 'react'
+
+// API Base URL for klausur-service
+export const API_BASE = process.env.NEXT_PUBLIC_KLAUSUR_SERVICE_URL || 'http://localhost:8086'
+
+// Tab definitions
+export type TabId = 'labeling' | 'sessions' | 'upload' | 'stats' | 'export'
+
+export const tabs: { id: TabId; name: string; icon: JSX.Element }[] = [
+  {
+    id: 'labeling',
+    name: 'Labeling',
+    icon: (
+      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15.232 5.232l3.536 3.536m-2.036-5.036a2.5 2.5 0 113.536 3.536L6.5 21.036H3v-3.572L16.732 3.732z" />
+      </svg>
+    ),
+  },
+  {
+    id: 'sessions',
+    name: 'Sessions',
+    icon: (
+      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10" />
+      </svg>
+    ),
+  },
+  {
+    id: 'upload',
+    name: 'Upload',
+    icon: (
+      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-8l-4-4m0 0L8 8m4-4v12" />
+      </svg>
+    ),
+  },
+  {
+    id: 'stats',
+    name: 'Statistiken',
+    icon: (
+      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" />
+      </svg>
+    ),
+  },
+  {
+    id: 'export',
+    name: 'Export',
+    icon: (
+      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4" />
+      </svg>
+    ),
+  },
+]

admin-lehrer/app/(admin)/ai/ocr-labeling/page.tsx

@@ -10,903 +10,20 @@
  * OCR-Labeling → RAG Pipeline → Daten & RAG
  */
 
-import { useState, useEffect, useCallback, useRef } from 'react'
-import Link from 'next/link'
+import { useState } from 'react'
 import { PagePurpose } from '@/components/common/PagePurpose'
 import { AIModuleSidebarResponsive } from '@/components/ai/AIModuleSidebar'
-import type {
-  OCRSession,
-  OCRItem,
-  OCRStats,
-  TrainingSample,
-  CreateSessionRequest,
-  OCRModel,
-} from './types'
-
-// API Base URL for klausur-service
-const API_BASE = process.env.NEXT_PUBLIC_KLAUSUR_SERVICE_URL || 'http://localhost:8086'
-
-// Tab definitions
-type TabId = 'labeling' | 'sessions' | 'upload' | 'stats' | 'export'
-
-const tabs: { id: TabId; name: string; icon: JSX.Element }[] = [
-  {
-    id: 'labeling',
-    name: 'Labeling',
-    icon: (
-      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15.232 5.232l3.536 3.536m-2.036-5.036a2.5 2.5 0 113.536 3.536L6.5 21.036H3v-3.572L16.732 3.732z" />
-      </svg>
-    ),
-  },
-  {
-    id: 'sessions',
-    name: 'Sessions',
-    icon: (
-      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10" />
-      </svg>
-    ),
-  },
-  {
-    id: 'upload',
-    name: 'Upload',
-    icon: (
-      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-8l-4-4m0 0L8 8m4-4v12" />
-      </svg>
-    ),
-  },
-  {
-    id: 'stats',
-    name: 'Statistiken',
-    icon: (
-      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z" />
-      </svg>
-    ),
-  },
-  {
-    id: 'export',
-    name: 'Export',
-    icon: (
-      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4" />
-      </svg>
-    ),
-  },
-]
+import { tabs, type TabId } from './constants'
+import { useOcrLabeling } from './useOcrLabeling'
+import { LabelingTab } from './_components/LabelingTab'
+import { SessionsTab } from './_components/SessionsTab'
+import { UploadTab } from './_components/UploadTab'
+import { StatsTab } from './_components/StatsTab'
+import { ExportTab } from './_components/ExportTab'
 
 export default function OCRLabelingPage() {
   const [activeTab, setActiveTab] = useState<TabId>('labeling')
-  const [sessions, setSessions] = useState<OCRSession[]>([])
-  const [selectedSession, setSelectedSession] = useState<string | null>(null)
-  const [queue, setQueue] = useState<OCRItem[]>([])
-  const [currentItem, setCurrentItem] = useState<OCRItem | null>(null)
-  const [currentIndex, setCurrentIndex] = useState(0)
-  const [stats, setStats] = useState<OCRStats | null>(null)
-  const [loading, setLoading] = useState(true)
-  const [error, setError] = useState<string | null>(null)
-  const [correctedText, setCorrectedText] = useState('')
-  const [labelStartTime, setLabelStartTime] = useState<number | null>(null)
-
-  // Fetch sessions
-  const fetchSessions = useCallback(async () => {
-    try {
-      const res = await fetch(`${API_BASE}/api/v1/ocr-label/sessions`)
-      if (res.ok) {
-        const data = await res.json()
-        setSessions(data)
-      }
-    } catch (err) {
-      console.error('Failed to fetch sessions:', err)
-    }
-  }, [])
-
-  // Fetch queue
-  const fetchQueue = useCallback(async () => {
-    try {
-      const url = selectedSession
-        ? `${API_BASE}/api/v1/ocr-label/queue?session_id=${selectedSession}&limit=20`
-        : `${API_BASE}/api/v1/ocr-label/queue?limit=20`
-      const res = await fetch(url)
-      if (res.ok) {
-        const data = await res.json()
-        setQueue(data)
-        if (data.length > 0 && !currentItem) {
-          setCurrentItem(data[0])
-          setCurrentIndex(0)
-          setCorrectedText(data[0].ocr_text || '')
-          setLabelStartTime(Date.now())
-        }
-      }
-    } catch (err) {
-      console.error('Failed to fetch queue:', err)
-    }
-  }, [selectedSession, currentItem])
-
-  // Fetch stats
-  const fetchStats = useCallback(async () => {
-    try {
-      const url = selectedSession
-        ? `${API_BASE}/api/v1/ocr-label/stats?session_id=${selectedSession}`
-        : `${API_BASE}/api/v1/ocr-label/stats`
-      const res = await fetch(url)
-      if (res.ok) {
-        const data = await res.json()
-        setStats(data)
-      }
-    } catch (err) {
-      console.error('Failed to fetch stats:', err)
-    }
-  }, [selectedSession])
-
-  // Initial data load
-  useEffect(() => {
-    const loadData = async () => {
-      setLoading(true)
-      await Promise.all([fetchSessions(), fetchQueue(), fetchStats()])
-      setLoading(false)
-    }
-    loadData()
-  }, [fetchSessions, fetchQueue, fetchStats])
-
-  // Refresh queue when session changes
-  useEffect(() => {
-    setCurrentItem(null)
-    setCurrentIndex(0)
-    fetchQueue()
-    fetchStats()
-  }, [selectedSession, fetchQueue, fetchStats])
-
-  // Navigate to next item
-  const goToNext = () => {
-    if (currentIndex < queue.length - 1) {
-      const nextIndex = currentIndex + 1
-      setCurrentIndex(nextIndex)
-      setCurrentItem(queue[nextIndex])
-      setCorrectedText(queue[nextIndex].ocr_text || '')
-      setLabelStartTime(Date.now())
-    } else {
-      // Refresh queue
-      fetchQueue()
-    }
-  }
-
-  // Navigate to previous item
-  const goToPrev = () => {
-    if (currentIndex > 0) {
-      const prevIndex = currentIndex - 1
-      setCurrentIndex(prevIndex)
-      setCurrentItem(queue[prevIndex])
-      setCorrectedText(queue[prevIndex].ocr_text || '')
-      setLabelStartTime(Date.now())
-    }
-  }
-
-  // Calculate label time
-  const getLabelTime = (): number | undefined => {
-    if (!labelStartTime) return undefined
-    return Math.round((Date.now() - labelStartTime) / 1000)
-  }
-
-  // Confirm item
-  const confirmItem = async () => {
-    if (!currentItem) return
-
-    try {
-      const res = await fetch(`${API_BASE}/api/v1/ocr-label/confirm`, {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({
-          item_id: currentItem.id,
-          label_time_seconds: getLabelTime(),
-        }),
-      })
-
-      if (res.ok) {
-        // Remove from queue and go to next
-        setQueue(prev => prev.filter(item => item.id !== currentItem.id))
-        goToNext()
-        fetchStats()
-      } else {
-        setError('Bestaetigung fehlgeschlagen')
-      }
-    } catch (err) {
-      setError('Netzwerkfehler')
-    }
-  }
-
-  // Correct item
-  const correctItem = async () => {
-    if (!currentItem || !correctedText.trim()) return
-
-    try {
-      const res = await fetch(`${API_BASE}/api/v1/ocr-label/correct`, {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({
-          item_id: currentItem.id,
-          ground_truth: correctedText.trim(),
-          label_time_seconds: getLabelTime(),
-        }),
-      })
-
-      if (res.ok) {
-        setQueue(prev => prev.filter(item => item.id !== currentItem.id))
-        goToNext()
-        fetchStats()
-      } else {
-        setError('Korrektur fehlgeschlagen')
-      }
-    } catch (err) {
-      setError('Netzwerkfehler')
-    }
-  }
-
-  // Skip item
-  const skipItem = async () => {
-    if (!currentItem) return
-
-    try {
-      const res = await fetch(`${API_BASE}/api/v1/ocr-label/skip`, {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ item_id: currentItem.id }),
-      })
-
-      if (res.ok) {
-        setQueue(prev => prev.filter(item => item.id !== currentItem.id))
-        goToNext()
-        fetchStats()
-      } else {
-        setError('Ueberspringen fehlgeschlagen')
-      }
-    } catch (err) {
-      setError('Netzwerkfehler')
-    }
-  }
-
-  // Keyboard shortcuts
-  useEffect(() => {
-    const handleKeyDown = (e: KeyboardEvent) => {
-      // Only handle if not in text input
-      if (e.target instanceof HTMLTextAreaElement) return
-
-      if (e.key === 'Enter' && !e.shiftKey) {
-        e.preventDefault()
-        confirmItem()
-      } else if (e.key === 'ArrowRight') {
-        goToNext()
-      } else if (e.key === 'ArrowLeft') {
-        goToPrev()
-      } else if (e.key === 's' && !e.ctrlKey && !e.metaKey) {
-        skipItem()
-      }
-    }
-
-    window.addEventListener('keydown', handleKeyDown)
-    return () => window.removeEventListener('keydown', handleKeyDown)
-  }, [currentItem, correctedText])
-
-  // Render Labeling Tab
-  const renderLabelingTab = () => (
-    <div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
-      {/* Left: Image Viewer */}
-      <div className="lg:col-span-2 bg-white rounded-lg shadow p-4">
-        <div className="flex items-center justify-between mb-4">
-          <h3 className="text-lg font-semibold">Bild</h3>
-          <div className="flex items-center gap-2">
-            <button
-              onClick={goToPrev}
-              disabled={currentIndex === 0}
-              className="p-2 rounded hover:bg-slate-100 disabled:opacity-50"
-              title="Zurueck (Pfeiltaste links)"
-            >
-              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" />
-              </svg>
-            </button>
-            <span className="text-sm text-slate-600">
-              {currentIndex + 1} / {queue.length}
-            </span>
-            <button
-              onClick={goToNext}
-              disabled={currentIndex >= queue.length - 1}
-              className="p-2 rounded hover:bg-slate-100 disabled:opacity-50"
-              title="Weiter (Pfeiltaste rechts)"
-            >
-              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" />
-              </svg>
-            </button>
-          </div>
-        </div>
-
-        {currentItem ? (
-          <div className="relative bg-slate-100 rounded-lg overflow-hidden" style={{ minHeight: '400px' }}>
-            <img
-              src={currentItem.image_url || `${API_BASE}${currentItem.image_path}`}
-              alt="OCR Bild"
-              className="w-full h-auto max-h-[600px] object-contain"
-              onError={(e) => {
-                // Fallback if image fails to load
-                const target = e.target as HTMLImageElement
-                target.style.display = 'none'
-              }}
-            />
-          </div>
-        ) : (
-          <div className="flex items-center justify-center h-64 bg-slate-100 rounded-lg">
-            <p className="text-slate-500">Keine Bilder in der Warteschlange</p>
-          </div>
-        )}
-      </div>
-
-      {/* Right: OCR Text & Actions */}
-      <div className="bg-white rounded-lg shadow p-4">
-        <div className="space-y-4">
-          {/* OCR Result */}
-          <div>
-            <div className="flex items-center justify-between mb-2">
-              <h3 className="text-lg font-semibold">OCR-Ergebnis</h3>
-              {currentItem?.ocr_confidence && (
-                <span className={`text-sm px-2 py-1 rounded ${
-                  currentItem.ocr_confidence > 0.8
-                    ? 'bg-green-100 text-green-800'
-                    : currentItem.ocr_confidence > 0.5
-                    ? 'bg-yellow-100 text-yellow-800'
-                    : 'bg-red-100 text-red-800'
-                }`}>
-                  {Math.round(currentItem.ocr_confidence * 100)}% Konfidenz
-                </span>
-              )}
-            </div>
-            <div className="bg-slate-50 p-3 rounded-lg min-h-[100px] text-sm">
-              {currentItem?.ocr_text || <span className="text-slate-400">Kein OCR-Text</span>}
-            </div>
-          </div>
-
-          {/* Correction Input */}
-          <div>
-            <h3 className="text-lg font-semibold mb-2">Korrektur</h3>
-            <textarea
-              value={correctedText}
-              onChange={(e) => setCorrectedText(e.target.value)}
-              placeholder="Korrigierter Text..."
-              className="w-full h-32 p-3 border border-slate-200 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-transparent"
-            />
-          </div>
-
-          {/* Actions */}
-          <div className="flex flex-col gap-2">
-            <button
-              onClick={confirmItem}
-              disabled={!currentItem}
-              className="w-full px-4 py-3 bg-green-600 text-white rounded-lg hover:bg-green-700 disabled:opacity-50 flex items-center justify-center gap-2"
-            >
-              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
-              </svg>
-              Korrekt (Enter)
-            </button>
-            <button
-              onClick={correctItem}
-              disabled={!currentItem || !correctedText.trim() || correctedText === currentItem?.ocr_text}
-              className="w-full px-4 py-3 bg-primary-600 text-white rounded-lg hover:bg-primary-700 disabled:opacity-50 flex items-center justify-center gap-2"
-            >
-              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15.232 5.232l3.536 3.536m-2.036-5.036a2.5 2.5 0 113.536 3.536L6.5 21.036H3v-3.572L16.732 3.732z" />
-              </svg>
-              Korrektur speichern
-            </button>
-            <button
-              onClick={skipItem}
-              disabled={!currentItem}
-              className="w-full px-4 py-2 bg-slate-200 text-slate-700 rounded-lg hover:bg-slate-300 disabled:opacity-50 flex items-center justify-center gap-2"
-            >
-              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 5l7 7-7 7M5 5l7 7-7 7" />
-              </svg>
-              Ueberspringen (S)
-            </button>
-          </div>
-
-          {/* Keyboard Shortcuts */}
-          <div className="text-xs text-slate-500 mt-4">
-            <p className="font-medium mb-1">Tastaturkuerzel:</p>
-            <p>Enter = Bestaetigen | S = Ueberspringen</p>
-            <p>Pfeiltasten = Navigation</p>
-          </div>
-        </div>
-      </div>
-
-      {/* Bottom: Queue Preview */}
-      <div className="lg:col-span-3 bg-white rounded-lg shadow p-4">
-        <h3 className="text-lg font-semibold mb-4">Warteschlange ({queue.length} Items)</h3>
-        <div className="flex gap-2 overflow-x-auto pb-2">
-          {queue.slice(0, 10).map((item, idx) => (
-            <button
-              key={item.id}
-              onClick={() => {
-                setCurrentIndex(idx)
-                setCurrentItem(item)
-                setCorrectedText(item.ocr_text || '')
-                setLabelStartTime(Date.now())
-              }}
-              className={`flex-shrink-0 w-24 h-24 rounded-lg overflow-hidden border-2 ${
-                idx === currentIndex
-                  ? 'border-primary-500'
-                  : 'border-transparent hover:border-slate-300'
-              }`}
-            >
-              <img
-                src={item.image_url || `${API_BASE}${item.image_path}`}
-                alt=""
-                className="w-full h-full object-cover"
-              />
-            </button>
-          ))}
-          {queue.length > 10 && (
-            <div className="flex-shrink-0 w-24 h-24 rounded-lg bg-slate-100 flex items-center justify-center text-slate-500">
-              +{queue.length - 10} mehr
-            </div>
-          )}
-        </div>
-      </div>
-    </div>
-  )
-
-  // Render Sessions Tab
-  const renderSessionsTab = () => {
-    const [newSession, setNewSession] = useState<CreateSessionRequest>({
-      name: '',
-      source_type: 'klausur',
-      description: '',
-      ocr_model: 'llama3.2-vision:11b',
-    })
-
-    const createSession = async () => {
-      try {
-        const res = await fetch(`${API_BASE}/api/v1/ocr-label/sessions`, {
-          method: 'POST',
-          headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify(newSession),
-        })
-
-        if (res.ok) {
-          setNewSession({ name: '', source_type: 'klausur', description: '', ocr_model: 'llama3.2-vision:11b' })
-          fetchSessions()
-        } else {
-          setError('Session erstellen fehlgeschlagen')
-        }
-      } catch (err) {
-        setError('Netzwerkfehler')
-      }
-    }
-
-    return (
-      <div className="space-y-6">
-        {/* Create Session */}
-        <div className="bg-white rounded-lg shadow p-6">
-          <h3 className="text-lg font-semibold mb-4">Neue Session erstellen</h3>
-          <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
-            <div>
-              <label className="block text-sm font-medium text-slate-700 mb-1">Name</label>
-              <input
-                type="text"
-                value={newSession.name}
-                onChange={(e) => setNewSession(prev => ({ ...prev, name: e.target.value }))}
-                placeholder="z.B. Mathe Klausur Q1 2025"
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
-              />
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-slate-700 mb-1">Typ</label>
-              <select
-                value={newSession.source_type}
-                onChange={(e) => setNewSession(prev => ({ ...prev, source_type: e.target.value as 'klausur' | 'handwriting_sample' | 'scan' }))}
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
-              >
-                <option value="klausur">Klausur</option>
-                <option value="handwriting_sample">Handschriftprobe</option>
-                <option value="scan">Scan</option>
-              </select>
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-slate-700 mb-1">OCR Modell</label>
-              <select
-                value={newSession.ocr_model}
-                onChange={(e) => setNewSession(prev => ({ ...prev, ocr_model: e.target.value as OCRModel }))}
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
-              >
-                <option value="llama3.2-vision:11b">llama3.2-vision:11b - Vision LLM (Standard)</option>
-                <option value="trocr">TrOCR - Microsoft Transformer (schnell)</option>
-                <option value="paddleocr">PaddleOCR + LLM (4x schneller)</option>
-                <option value="donut">Donut - Document Understanding (strukturiert)</option>
-              </select>
-              <p className="mt-1 text-xs text-slate-500">
-                {newSession.ocr_model === 'paddleocr' && 'PaddleOCR erkennt Text schnell, LLM strukturiert die Ergebnisse.'}
-                {newSession.ocr_model === 'donut' && 'Speziell fuer Dokumente mit Tabellen und Formularen.'}
-                {newSession.ocr_model === 'trocr' && 'Schnelles Transformer-Modell fuer gedruckten Text.'}
-                {newSession.ocr_model === 'llama3.2-vision:11b' && 'Beste Qualitaet bei Handschrift, aber langsamer.'}
-              </p>
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-slate-700 mb-1">Beschreibung</label>
-              <input
-                type="text"
-                value={newSession.description}
-                onChange={(e) => setNewSession(prev => ({ ...prev, description: e.target.value }))}
-                placeholder="Optional..."
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
-              />
-            </div>
-          </div>
-          <button
-            onClick={createSession}
-            disabled={!newSession.name}
-            className="mt-4 px-4 py-2 bg-primary-600 text-white rounded-lg hover:bg-primary-700 disabled:opacity-50"
-          >
-            Session erstellen
-          </button>
-        </div>
-
-        {/* Sessions List */}
-        <div className="bg-white rounded-lg shadow">
-          <div className="px-6 py-4 border-b border-slate-200">
-            <h3 className="text-lg font-semibold">Sessions ({sessions.length})</h3>
-          </div>
-          <div className="divide-y divide-slate-200">
-            {sessions.map((session) => (
-              <div
-                key={session.id}
-                className={`p-4 hover:bg-slate-50 cursor-pointer ${
-                  selectedSession === session.id ? 'bg-primary-50 border-l-4 border-primary-500' : ''
-                }`}
-                onClick={() => setSelectedSession(session.id === selectedSession ? null : session.id)}
-              >
-                <div className="flex items-center justify-between">
-                  <div>
-                    <h4 className="font-medium">{session.name}</h4>
-                    <p className="text-sm text-slate-500">
-                      {session.source_type} | {session.ocr_model}
-                    </p>
-                  </div>
-                  <div className="text-right">
-                    <p className="text-sm font-medium">
-                      {session.labeled_items}/{session.total_items} gelabelt
-                    </p>
-                    <div className="w-32 bg-slate-200 rounded-full h-2 mt-1">
-                      <div
-                        className="bg-primary-600 rounded-full h-2"
-                        style={{
-                          width: `${session.total_items > 0 ? (session.labeled_items / session.total_items) * 100 : 0}%`
-                        }}
-                      />
-                    </div>
-                  </div>
-                </div>
-                {session.description && (
-                  <p className="text-sm text-slate-600 mt-2">{session.description}</p>
-                )}
-              </div>
-            ))}
-            {sessions.length === 0 && (
-              <p className="p-4 text-slate-500 text-center">Keine Sessions vorhanden</p>
-            )}
-          </div>
-        </div>
-      </div>
-    )
-  }
-
-  // Render Upload Tab
-  const renderUploadTab = () => {
-    const [uploading, setUploading] = useState(false)
-    const [uploadResults, setUploadResults] = useState<any[]>([])
-    const fileInputRef = useRef<HTMLInputElement>(null)
-
-    const handleUpload = async (files: FileList) => {
-      if (!selectedSession) {
-        setError('Bitte zuerst eine Session auswaehlen')
-        return
-      }
-
-      setUploading(true)
-      const formData = new FormData()
-      Array.from(files).forEach(file => formData.append('files', file))
-      formData.append('run_ocr', 'true')
-
-      try {
-        const res = await fetch(`${API_BASE}/api/v1/ocr-label/sessions/${selectedSession}/upload`, {
-          method: 'POST',
-          body: formData,
-        })
-
-        if (res.ok) {
-          const data = await res.json()
-          setUploadResults(data.items || [])
-          fetchQueue()
-          fetchStats()
-        } else {
-          setError('Upload fehlgeschlagen')
-        }
-      } catch (err) {
-        setError('Netzwerkfehler beim Upload')
-      } finally {
-        setUploading(false)
-      }
-    }
-
-    return (
-      <div className="space-y-6">
-        {/* Session Selection */}
-        <div className="bg-white rounded-lg shadow p-6">
-          <h3 className="text-lg font-semibold mb-4">Session auswaehlen</h3>
-          <select
-            value={selectedSession || ''}
-            onChange={(e) => setSelectedSession(e.target.value || null)}
-            className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
-          >
-            <option value="">-- Session waehlen --</option>
-            {sessions.map((session) => (
-              <option key={session.id} value={session.id}>
-                {session.name} ({session.total_items} Items)
-              </option>
-            ))}
-          </select>
-        </div>
-
-        {/* Upload Area */}
-        <div className="bg-white rounded-lg shadow p-6">
-          <h3 className="text-lg font-semibold mb-4">Bilder hochladen</h3>
-          <div
-            className={`border-2 border-dashed rounded-lg p-8 text-center ${
-              selectedSession ? 'border-slate-300 hover:border-primary-500' : 'border-slate-200 opacity-50'
-            }`}
-            onDragOver={(e) => {
-              e.preventDefault()
-              e.currentTarget.classList.add('border-primary-500', 'bg-primary-50')
-            }}
-            onDragLeave={(e) => {
-              e.currentTarget.classList.remove('border-primary-500', 'bg-primary-50')
-            }}
-            onDrop={(e) => {
-              e.preventDefault()
-              e.currentTarget.classList.remove('border-primary-500', 'bg-primary-50')
-              if (e.dataTransfer.files.length > 0) {
-                handleUpload(e.dataTransfer.files)
-              }
-            }}
-          >
-            <input
-              ref={fileInputRef}
-              type="file"
-              multiple
-              accept="image/png,image/jpeg,image/jpg"
-              onChange={(e) => e.target.files && handleUpload(e.target.files)}
-              className="hidden"
-              disabled={!selectedSession}
-            />
-            {uploading ? (
-              <div className="flex flex-col items-center gap-2">
-                <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary-600" />
-                <p>Hochladen & OCR ausfuehren...</p>
-              </div>
-            ) : (
-              <>
-                <svg className="w-12 h-12 text-slate-400 mx-auto mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 16l4.586-4.586a2 2 0 012.828 0L16 16m-2-2l1.586-1.586a2 2 0 012.828 0L20 14m-6-6h.01M6 20h12a2 2 0 002-2V6a2 2 0 00-2-2H6a2 2 0 00-2 2v12a2 2 0 002 2z" />
-                </svg>
-                <p className="text-slate-600 mb-2">
-                  Bilder hierher ziehen oder{' '}
-                  <button
-                    onClick={() => fileInputRef.current?.click()}
-                    disabled={!selectedSession}
-                    className="text-primary-600 hover:underline"
-                  >
-                    auswaehlen
-                  </button>
-                </p>
-                <p className="text-sm text-slate-500">PNG, JPG (max. 10MB pro Bild)</p>
-              </>
-            )}
-          </div>
-        </div>
-
-        {/* Upload Results */}
-        {uploadResults.length > 0 && (
-          <div className="bg-white rounded-lg shadow p-6">
-            <h3 className="text-lg font-semibold mb-4">Upload-Ergebnisse ({uploadResults.length})</h3>
-            <div className="space-y-2">
-              {uploadResults.map((result) => (
-                <div key={result.id} className="flex items-center justify-between p-2 bg-slate-50 rounded">
-                  <span className="text-sm">{result.filename}</span>
-                  <span className={`text-xs px-2 py-1 rounded ${
-                    result.ocr_text ? 'bg-green-100 text-green-800' : 'bg-yellow-100 text-yellow-800'
-                  }`}>
-                    {result.ocr_text ? `OCR OK (${Math.round((result.ocr_confidence || 0) * 100)}%)` : 'Kein OCR'}
-                  </span>
-                </div>
-              ))}
-            </div>
-          </div>
-        )}
-      </div>
-    )
-  }
-
-  // Render Stats Tab
-  const renderStatsTab = () => (
-    <div className="space-y-6">
-      {/* Global Stats */}
-      <div className="grid grid-cols-1 md:grid-cols-4 gap-4">
-        <div className="bg-white rounded-lg shadow p-6">
-          <h4 className="text-sm font-medium text-slate-500">Gesamt Items</h4>
-          <p className="text-3xl font-bold mt-2">{stats?.total_items || 0}</p>
-        </div>
-        <div className="bg-white rounded-lg shadow p-6">
-          <h4 className="text-sm font-medium text-slate-500">Gelabelt</h4>
-          <p className="text-3xl font-bold mt-2 text-green-600">{stats?.labeled_items || 0}</p>
-        </div>
-        <div className="bg-white rounded-lg shadow p-6">
-          <h4 className="text-sm font-medium text-slate-500">Ausstehend</h4>
-          <p className="text-3xl font-bold mt-2 text-yellow-600">{stats?.pending_items || 0}</p>
-        </div>
-        <div className="bg-white rounded-lg shadow p-6">
-          <h4 className="text-sm font-medium text-slate-500">OCR-Genauigkeit</h4>
-          <p className="text-3xl font-bold mt-2">{stats?.accuracy_rate || 0}%</p>
-        </div>
-      </div>
-
-      {/* Detailed Stats */}
-      <div className="bg-white rounded-lg shadow p-6">
-        <h3 className="text-lg font-semibold mb-4">Details</h3>
-        <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
-          <div>
-            <p className="text-sm text-slate-500">Bestaetigt</p>
-            <p className="text-xl font-semibold text-green-600">{stats?.confirmed_items || 0}</p>
-          </div>
-          <div>
-            <p className="text-sm text-slate-500">Korrigiert</p>
-            <p className="text-xl font-semibold text-primary-600">{stats?.corrected_items || 0}</p>
-          </div>
-          <div>
-            <p className="text-sm text-slate-500">Exportierbar</p>
-            <p className="text-xl font-semibold">{stats?.exportable_items || 0}</p>
-          </div>
-          <div>
-            <p className="text-sm text-slate-500">Durchschn. Label-Zeit</p>
-            <p className="text-xl font-semibold">{stats?.avg_label_time_seconds || 0}s</p>
-          </div>
-        </div>
-      </div>
-
-      {/* Progress Bar */}
-      {stats?.total_items ? (
-        <div className="bg-white rounded-lg shadow p-6">
-          <h3 className="text-lg font-semibold mb-4">Fortschritt</h3>
-          <div className="w-full bg-slate-200 rounded-full h-4">
-            <div
-              className="bg-primary-600 rounded-full h-4 transition-all"
-              style={{ width: `${(stats.labeled_items / stats.total_items) * 100}%` }}
-            />
-          </div>
-          <p className="text-sm text-slate-500 mt-2">
-            {Math.round((stats.labeled_items / stats.total_items) * 100)}% abgeschlossen
-          </p>
-        </div>
-      ) : null}
-    </div>
-  )
-
-  // Render Export Tab
-  const renderExportTab = () => {
-    const [exportFormat, setExportFormat] = useState<'generic' | 'trocr' | 'llama_vision'>('generic')
-    const [exporting, setExporting] = useState(false)
-    const [exportResult, setExportResult] = useState<any>(null)
-
-    const handleExport = async () => {
-      setExporting(true)
-      try {
-        const res = await fetch(`${API_BASE}/api/v1/ocr-label/export`, {
-          method: 'POST',
-          headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify({
-            export_format: exportFormat,
-            session_id: selectedSession,
-          }),
-        })
-
-        if (res.ok) {
-          const data = await res.json()
-          setExportResult(data)
-        } else {
-          setError('Export fehlgeschlagen')
-        }
-      } catch (err) {
-        setError('Netzwerkfehler')
-      } finally {
-        setExporting(false)
-      }
-    }
-
-    return (
-      <div className="space-y-6">
-        <div className="bg-white rounded-lg shadow p-6">
-          <h3 className="text-lg font-semibold mb-4">Training-Daten exportieren</h3>
-          <div className="space-y-4">
-            <div>
-              <label className="block text-sm font-medium text-slate-700 mb-1">Export-Format</label>
-              <select
-                value={exportFormat}
-                onChange={(e) => setExportFormat(e.target.value as typeof exportFormat)}
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
-              >
-                <option value="generic">Generic JSON</option>
-                <option value="trocr">TrOCR Fine-Tuning</option>
-                <option value="llama_vision">Llama Vision Fine-Tuning</option>
-              </select>
-            </div>
-
-            <div>
-              <label className="block text-sm font-medium text-slate-700 mb-1">Session (optional)</label>
-              <select
-                value={selectedSession || ''}
-                onChange={(e) => setSelectedSession(e.target.value || null)}
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
-              >
-                <option value="">Alle Sessions</option>
-                {sessions.map((session) => (
-                  <option key={session.id} value={session.id}>{session.name}</option>
-                ))}
-              </select>
-            </div>
-
-            <button
-              onClick={handleExport}
-              disabled={exporting || (stats?.exportable_items || 0) === 0}
-              className="w-full px-4 py-2 bg-primary-600 text-white rounded-lg hover:bg-primary-700 disabled:opacity-50"
-            >
-              {exporting ? 'Exportiere...' : `${stats?.exportable_items || 0} Samples exportieren`}
-            </button>
-
-            {/* Cross-Link to Magic Help for TrOCR Fine-Tuning */}
-            {exportFormat === 'trocr' && (stats?.exportable_items || 0) > 0 && (
-              <Link
-                href="/ai/magic-help?source=ocr-labeling"
-                className="w-full mt-3 px-4 py-2 bg-purple-100 text-purple-700 border border-purple-300 rounded-lg hover:bg-purple-200 flex items-center justify-center gap-2 transition-colors"
-              >
-                <span>✨</span>
-                Mit Magic Help testen & fine-tunen
-              </Link>
-            )}
-          </div>
-        </div>
-
-        {exportResult && (
-          <div className="bg-white rounded-lg shadow p-6">
-            <h3 className="text-lg font-semibold mb-4">Export-Ergebnis</h3>
-            <div className="bg-green-50 border border-green-200 rounded-lg p-4 mb-4">
-              <p className="text-green-800">
-                {exportResult.exported_count} Samples erfolgreich exportiert
-              </p>
-              <p className="text-sm text-green-600">
-                Batch: {exportResult.batch_id}
-              </p>
-            </div>
-            <div className="bg-slate-50 p-4 rounded-lg overflow-auto max-h-64">
-              <pre className="text-xs">{JSON.stringify(exportResult.samples?.slice(0, 3), null, 2)}</pre>
-              {(exportResult.samples?.length || 0) > 3 && (
-                <p className="text-slate-500 mt-2">... und {exportResult.samples.length - 3} weitere</p>
-              )}
-            </div>
-          </div>
-        )}
-      </div>
-    )
-  }
+  const hook = useOcrLabeling()
 
   return (
     <div className="p-6">
@@ -939,10 +56,10 @@ export default function OCRLabelingPage() {
       <AIModuleSidebarResponsive currentModule="ocr-labeling" />
 
       {/* Error Toast */}
-      {error && (
+      {hook.error && (
         <div className="fixed top-4 right-4 bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded z-50">
-          <span>{error}</span>
-          <button onClick={() => setError(null)} className="ml-4">X</button>
+          <span>{hook.error}</span>
+          <button onClick={() => hook.setError(null)} className="ml-4">X</button>
         </div>
       )}
 
@@ -969,17 +86,58 @@ export default function OCRLabelingPage() {
       </div>
 
       {/* Tab Content */}
-      {loading ? (
+      {hook.loading ? (
         <div className="flex items-center justify-center h-64">
           <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary-600" />
         </div>
       ) : (
         <>
-          {activeTab === 'labeling' && renderLabelingTab()}
-          {activeTab === 'sessions' && renderSessionsTab()}
-          {activeTab === 'upload' && renderUploadTab()}
-          {activeTab === 'stats' && renderStatsTab()}
-          {activeTab === 'export' && renderExportTab()}
+          {activeTab === 'labeling' && (
+            <LabelingTab
+              queue={hook.queue}
+              currentItem={hook.currentItem}
+              currentIndex={hook.currentIndex}
+              correctedText={hook.correctedText}
+              setCorrectedText={hook.setCorrectedText}
+              goToNext={hook.goToNext}
+              goToPrev={hook.goToPrev}
+              selectQueueItem={hook.selectQueueItem}
+              confirmItem={hook.confirmItem}
+              correctItem={hook.correctItem}
+              skipItem={hook.skipItem}
+            />
+          )}
+          {activeTab === 'sessions' && (
+            <SessionsTab
+              sessions={hook.sessions}
+              selectedSession={hook.selectedSession}
+              setSelectedSession={hook.setSelectedSession}
+              fetchSessions={hook.fetchSessions}
+              setError={hook.setError}
+            />
+          )}
+          {activeTab === 'upload' && (
+            <UploadTab
+              sessions={hook.sessions}
+              selectedSession={hook.selectedSession}
+              setSelectedSession={hook.setSelectedSession}
+              fetchQueue={hook.fetchQueue}
+              fetchStats={hook.fetchStats}
+              setError={hook.setError}
+            />
+          )}
+          {activeTab === 'stats' && (
+            <StatsTab stats={hook.stats} />
+          )}
+          {activeTab === 'export' && (
+            <ExportTab
+              sessions={hook.sessions}
+              selectedSession={hook.selectedSession}
+              setSelectedSession={hook.setSelectedSession}
+              stats={hook.stats}
+              setError={hook.setError}
+            />
+          )}
         </>
       )}
     </div>

admin-lehrer/app/(admin)/ai/ocr-labeling/useOcrLabeling.ts

@@ -0,0 +1,255 @@
+'use client'
+
+/**
+ * Custom hook encapsulating all state and API logic for the OCR Labeling page.
+ */
+
+import { useState, useEffect, useCallback } from 'react'
+import { API_BASE } from './constants'
+import type { OCRSession, OCRItem, OCRStats } from './types'
+
+export function useOcrLabeling() {
+  const [sessions, setSessions] = useState<OCRSession[]>([])
+  const [selectedSession, setSelectedSession] = useState<string | null>(null)
+  const [queue, setQueue] = useState<OCRItem[]>([])
+  const [currentItem, setCurrentItem] = useState<OCRItem | null>(null)
+  const [currentIndex, setCurrentIndex] = useState(0)
+  const [stats, setStats] = useState<OCRStats | null>(null)
+  const [loading, setLoading] = useState(true)
+  const [error, setError] = useState<string | null>(null)
+  const [correctedText, setCorrectedText] = useState('')
+  const [labelStartTime, setLabelStartTime] = useState<number | null>(null)
+
+  // Fetch sessions
+  const fetchSessions = useCallback(async () => {
+    try {
+      const res = await fetch(`${API_BASE}/api/v1/ocr-label/sessions`)
+      if (res.ok) {
+        const data = await res.json()
+        setSessions(data)
+      }
+    } catch (err) {
+      console.error('Failed to fetch sessions:', err)
+    }
+  }, [])
+
+  // Fetch queue
+  const fetchQueue = useCallback(async () => {
+    try {
+      const url = selectedSession
+        ? `${API_BASE}/api/v1/ocr-label/queue?session_id=${selectedSession}&limit=20`
+        : `${API_BASE}/api/v1/ocr-label/queue?limit=20`
+      const res = await fetch(url)
+      if (res.ok) {
+        const data = await res.json()
+        setQueue(data)
+        if (data.length > 0 && !currentItem) {
+          setCurrentItem(data[0])
+          setCurrentIndex(0)
+          setCorrectedText(data[0].ocr_text || '')
+          setLabelStartTime(Date.now())
+        }
+      }
+    } catch (err) {
+      console.error('Failed to fetch queue:', err)
+    }
+  }, [selectedSession, currentItem])
+
+  // Fetch stats
+  const fetchStats = useCallback(async () => {
+    try {
+      const url = selectedSession
+        ? `${API_BASE}/api/v1/ocr-label/stats?session_id=${selectedSession}`
+        : `${API_BASE}/api/v1/ocr-label/stats`
+      const res = await fetch(url)
+      if (res.ok) {
+        const data = await res.json()
+        setStats(data)
+      }
+    } catch (err) {
+      console.error('Failed to fetch stats:', err)
+    }
+  }, [selectedSession])
+
+  // Initial data load
+  useEffect(() => {
+    const loadData = async () => {
+      setLoading(true)
+      await Promise.all([fetchSessions(), fetchQueue(), fetchStats()])
+      setLoading(false)
+    }
+    loadData()
+  }, [fetchSessions, fetchQueue, fetchStats])
+
+  // Refresh queue when session changes
+  useEffect(() => {
+    setCurrentItem(null)
+    setCurrentIndex(0)
+    fetchQueue()
+    fetchStats()
+  }, [selectedSession, fetchQueue, fetchStats])
+
+  // Navigate to next item
+  const goToNext = useCallback(() => {
+    if (currentIndex < queue.length - 1) {
+      const nextIndex = currentIndex + 1
+      setCurrentIndex(nextIndex)
+      setCurrentItem(queue[nextIndex])
+      setCorrectedText(queue[nextIndex].ocr_text || '')
+      setLabelStartTime(Date.now())
+    } else {
+      fetchQueue()
+    }
+  }, [currentIndex, queue, fetchQueue])
+
+  // Navigate to previous item
+  const goToPrev = useCallback(() => {
+    if (currentIndex > 0) {
+      const prevIndex = currentIndex - 1
+      setCurrentIndex(prevIndex)
+      setCurrentItem(queue[prevIndex])
+      setCorrectedText(queue[prevIndex].ocr_text || '')
+      setLabelStartTime(Date.now())
+    }
+  }, [currentIndex, queue])
+
+  // Calculate label time
+  const getLabelTime = useCallback((): number | undefined => {
+    if (!labelStartTime) return undefined
+    return Math.round((Date.now() - labelStartTime) / 1000)
+  }, [labelStartTime])
+
+  // Select a queue item by index
+  const selectQueueItem = useCallback((idx: number) => {
+    if (idx >= 0 && idx < queue.length) {
+      setCurrentIndex(idx)
+      setCurrentItem(queue[idx])
+      setCorrectedText(queue[idx].ocr_text || '')
+      setLabelStartTime(Date.now())
+    }
+  }, [queue])
+
+  // Confirm item
+  const confirmItem = useCallback(async () => {
+    if (!currentItem) return
+
+    try {
+      const res = await fetch(`${API_BASE}/api/v1/ocr-label/confirm`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({
+          item_id: currentItem.id,
+          label_time_seconds: getLabelTime(),
+        }),
+      })
+
+      if (res.ok) {
+        setQueue(prev => prev.filter(item => item.id !== currentItem.id))
+        goToNext()
+        fetchStats()
+      } else {
+        setError('Bestaetigung fehlgeschlagen')
+      }
+    } catch {
+      setError('Netzwerkfehler')
+    }
+  }, [currentItem, getLabelTime, goToNext, fetchStats])
+
+  // Correct item
+  const correctItem = useCallback(async () => {
+    if (!currentItem || !correctedText.trim()) return
+
+    try {
+      const res = await fetch(`${API_BASE}/api/v1/ocr-label/correct`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({
+          item_id: currentItem.id,
+          ground_truth: correctedText.trim(),
+          label_time_seconds: getLabelTime(),
+        }),
+      })
+
+      if (res.ok) {
+        setQueue(prev => prev.filter(item => item.id !== currentItem.id))
+        goToNext()
+        fetchStats()
+      } else {
+        setError('Korrektur fehlgeschlagen')
+      }
+    } catch {
+      setError('Netzwerkfehler')
+    }
+  }, [currentItem, correctedText, getLabelTime, goToNext, fetchStats])
+
+  // Skip item
+  const skipItem = useCallback(async () => {
+    if (!currentItem) return
+
+    try {
+      const res = await fetch(`${API_BASE}/api/v1/ocr-label/skip`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ item_id: currentItem.id }),
+      })
+
+      if (res.ok) {
+        setQueue(prev => prev.filter(item => item.id !== currentItem.id))
+        goToNext()
+        fetchStats()
+      } else {
+        setError('Ueberspringen fehlgeschlagen')
+      }
+    } catch {
+      setError('Netzwerkfehler')
+    }
+  }, [currentItem, goToNext, fetchStats])
+
+  // Keyboard shortcuts
+  useEffect(() => {
+    const handleKeyDown = (e: KeyboardEvent) => {
+      if (e.target instanceof HTMLTextAreaElement) return
+
+      if (e.key === 'Enter' && !e.shiftKey) {
+        e.preventDefault()
+        confirmItem()
+      } else if (e.key === 'ArrowRight') {
+        goToNext()
+      } else if (e.key === 'ArrowLeft') {
+        goToPrev()
+      } else if (e.key === 's' && !e.ctrlKey && !e.metaKey) {
+        skipItem()
+      }
+    }
+
+    window.addEventListener('keydown', handleKeyDown)
+    return () => window.removeEventListener('keydown', handleKeyDown)
+  }, [confirmItem, goToNext, goToPrev, skipItem])
+
+  return {
+    // State
+    sessions,
+    selectedSession,
+    setSelectedSession,
+    queue,
+    currentItem,
+    currentIndex,
+    stats,
+    loading,
+    error,
+    setError,
+    correctedText,
+    setCorrectedText,
+
+    // Actions
+    fetchSessions,
+    fetchQueue,
+    fetchStats,
+    goToNext,
+    goToPrev,
+    selectQueueItem,
+    confirmItem,
+    correctItem,
+    skipItem,
+  }
+}

admin-lehrer/app/(admin)/ai/quality/_components/ResultsList.tsx

@@ -0,0 +1,74 @@
+import type { ChunkDetail } from './types'
+
+interface ResultsListProps {
+  results: ChunkDetail[]
+  selectedChunk: ChunkDetail | null
+  searchQuery: string
+  onSelect: (chunk: ChunkDetail) => void
+}
+
+function highlightText(text: string, query: string) {
+  if (!query) return text
+  const words = query.toLowerCase().split(' ').filter(w => w.length > 2)
+  let result = text
+  words.forEach(word => {
+    const regex = new RegExp(`(${word})`, 'gi')
+    result = result.replace(regex, '<mark class="bg-yellow-200 dark:bg-yellow-800 px-0.5 rounded">$1</mark>')
+  })
+  return result
+}
+
+export function ResultsList({ results, selectedChunk, searchQuery, onSelect }: ResultsListProps) {
+  return (
+    <div className="bg-white dark:bg-slate-800 rounded-lg shadow p-4">
+      <h3 className="text-md font-semibold text-gray-900 dark:text-white mb-4">
+        Gefundene Chunks ({results.length})
+      </h3>
+      <div className="space-y-3 max-h-[600px] overflow-y-auto">
+        {results.map((result, idx) => (
+          <div
+            key={idx}
+            onClick={() => onSelect(result)}
+            className={`p-4 border rounded-lg cursor-pointer transition-all ${
+              selectedChunk?.text === result.text
+                ? 'border-blue-500 bg-blue-50 dark:bg-blue-900/20'
+                : 'border-gray-200 dark:border-slate-700 hover:border-gray-300 dark:hover:border-slate-600'
+            }`}
+          >
+            {/* Header */}
+            <div className="flex items-center justify-between mb-2">
+              <div className="flex items-center gap-2">
+                <span className="text-xs font-medium px-2 py-0.5 bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400 rounded">
+                  {result.regulation_code}
+                </span>
+                {result.article && (
+                  <span className="text-xs text-gray-500 dark:text-gray-400">
+                    Art. {result.article}
+                    {result.paragraph && ` Abs. ${result.paragraph}`}
+                  </span>
+                )}
+              </div>
+              <span className="text-xs text-gray-400">
+                Score: {(result.score || 0).toFixed(3)}
+              </span>
+            </div>
+
+            {/* Text Preview */}
+            <p
+              className="text-sm text-gray-700 dark:text-gray-300 line-clamp-4"
+              dangerouslySetInnerHTML={{
+                __html: highlightText(result.text.substring(0, 400) + (result.text.length > 400 ? '...' : ''), searchQuery)
+              }}
+            />
+
+            {/* Metadata */}
+            <div className="mt-2 flex items-center gap-4 text-xs text-gray-400">
+              <span>Chunk #{result.chunk_index || idx}</span>
+              <span>{result.text.length} Zeichen</span>
+            </div>
+          </div>
+        ))}
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/quality/_components/SearchSection.tsx

@@ -0,0 +1,112 @@
+import { REGULATIONS, SAMPLE_QUERIES } from './types'
+
+interface SearchSectionProps {
+  searchQuery: string
+  selectedRegulation: string
+  topK: number
+  searching: boolean
+  onSearchQueryChange: (v: string) => void
+  onRegulationChange: (v: string) => void
+  onTopKChange: (v: number) => void
+  onSearch: () => void
+  onSampleQuery: (query: string, reg: string) => void
+}
+
+export function SearchSection({
+  searchQuery,
+  selectedRegulation,
+  topK,
+  searching,
+  onSearchQueryChange,
+  onRegulationChange,
+  onTopKChange,
+  onSearch,
+  onSampleQuery,
+}: SearchSectionProps) {
+  return (
+    <>
+      {/* Quick Sample Queries */}
+      <div className="bg-white dark:bg-slate-800 rounded-lg shadow p-4">
+        <h3 className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-3">
+          Schnell-Stichproben
+        </h3>
+        <div className="flex flex-wrap gap-2">
+          {SAMPLE_QUERIES.map((sq, idx) => (
+            <button
+              key={idx}
+              onClick={() => onSampleQuery(sq.query, sq.reg)}
+              className="px-3 py-1.5 text-xs bg-gray-100 hover:bg-gray-200 dark:bg-slate-700 dark:hover:bg-slate-600 text-gray-700 dark:text-gray-300 rounded-full transition-colors"
+            >
+              {sq.label}
+            </button>
+          ))}
+        </div>
+      </div>
+
+      {/* Search Section */}
+      <div className="bg-white dark:bg-slate-800 rounded-lg shadow p-6">
+        <h2 className="text-lg font-semibold text-gray-900 dark:text-white mb-4">
+          Chunk-Suche
+        </h2>
+
+        <div className="space-y-4">
+          {/* Search Input */}
+          <div className="flex gap-4">
+            <div className="flex-1">
+              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1">
+                Suchbegriff / Paragraph / Artikeltext
+              </label>
+              <input
+                type="text"
+                value={searchQuery}
+                onChange={(e) => onSearchQueryChange(e.target.value)}
+                onKeyDown={(e) => e.key === 'Enter' && onSearch()}
+                placeholder="z.B. 'Recht auf Löschung' oder 'Art. 17 Abs. 1'"
+                className="w-full px-4 py-2 border border-gray-300 dark:border-slate-600 rounded-lg focus:ring-2 focus:ring-blue-500 dark:bg-slate-700 dark:text-white"
+              />
+            </div>
+            <div className="w-48">
+              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1">
+                Regulierung
+              </label>
+              <select
+                value={selectedRegulation}
+                onChange={(e) => onRegulationChange(e.target.value)}
+                className="w-full px-3 py-2 border border-gray-300 dark:border-slate-600 rounded-lg focus:ring-2 focus:ring-blue-500 dark:bg-slate-700 dark:text-white"
+              >
+                <option value="">Alle</option>
+                {REGULATIONS.map((reg) => (
+                  <option key={reg.code} value={reg.code}>
+                    {reg.name}
+                  </option>
+                ))}
+              </select>
+            </div>
+            <div className="w-24">
+              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1">
+                Anzahl
+              </label>
+              <select
+                value={topK}
+                onChange={(e) => onTopKChange(parseInt(e.target.value))}
+                className="w-full px-3 py-2 border border-gray-300 dark:border-slate-600 rounded-lg focus:ring-2 focus:ring-blue-500 dark:bg-slate-700 dark:text-white"
+              >
+                <option value="5">5</option>
+                <option value="10">10</option>
+                <option value="20">20</option>
+              </select>
+            </div>
+          </div>
+
+          <button
+            onClick={onSearch}
+            disabled={searching || !searchQuery.trim()}
+            className="px-6 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
+          >
+            {searching ? 'Suche laeuft...' : 'Suchen'}
+          </button>
+        </div>
+      </div>
+    </>
+  )
+}

admin-lehrer/app/(admin)/ai/quality/_components/TraceabilityPanel.tsx

@@ -0,0 +1,150 @@
+import type { ChunkDetail, TraceabilityResult } from './types'
+
+interface TraceabilityPanelProps {
+  selectedChunk: ChunkDetail | null
+  loadingTrace: boolean
+  traceability: TraceabilityResult | null
+}
+
+export function TraceabilityPanel({ selectedChunk, loadingTrace, traceability }: TraceabilityPanelProps) {
+  return (
+    <div className="bg-white dark:bg-slate-800 rounded-lg shadow p-4">
+      <h3 className="text-md font-semibold text-gray-900 dark:text-white mb-4">
+        Traceability
+      </h3>
+
+      {!selectedChunk ? (
+        <div className="text-center py-12 text-gray-500 dark:text-gray-400">
+          <svg className="w-12 h-12 mx-auto mb-4 opacity-50" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+          </svg>
+          <p>Waehlen Sie einen Chunk aus der Liste, um die Traceability zu sehen.</p>
+        </div>
+      ) : loadingTrace ? (
+        <div className="text-center py-12">
+          <div className="animate-spin w-8 h-8 border-2 border-blue-500 border-t-transparent rounded-full mx-auto mb-4"></div>
+          <p className="text-gray-500 dark:text-gray-400">Lade Traceability...</p>
+        </div>
+      ) : traceability ? (
+        <div className="space-y-6">
+          {/* Selected Chunk Detail */}
+          <ChunkDetailSection chunk={traceability.chunk} />
+
+          <ArrowDown />
+
+          {/* Requirements */}
+          <RequirementsSection requirements={traceability.requirements} />
+
+          <ArrowDown />
+
+          {/* Controls */}
+          <ControlsSection controls={traceability.controls} />
+        </div>
+      ) : null}
+    </div>
+  )
+}
+
+function ChunkDetailSection({ chunk }: { chunk: ChunkDetail }) {
+  return (
+    <div className="border-l-4 border-blue-500 pl-4">
+      <h4 className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
+        Ausgewaehlter Chunk
+      </h4>
+      <div className="bg-gray-50 dark:bg-slate-700 rounded p-3">
+        <div className="flex items-center gap-2 mb-2">
+          <span className="text-xs font-medium px-2 py-0.5 bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400 rounded">
+            {chunk.regulation_code}
+          </span>
+          {chunk.article && (
+            <span className="text-xs text-gray-500 dark:text-gray-400">
+              Art. {chunk.article}
+              {chunk.paragraph && ` Abs. ${chunk.paragraph}`}
+            </span>
+          )}
+        </div>
+        <p className="text-sm text-gray-600 dark:text-gray-300 whitespace-pre-wrap">
+          {chunk.text}
+        </p>
+        {chunk.source_url && (
+          <a
+            href={chunk.source_url}
+            target="_blank"
+            rel="noopener noreferrer"
+            className="mt-2 inline-flex items-center gap-1 text-xs text-blue-600 hover:underline"
+          >
+            Quelle oeffnen
+          </a>
+        )}
+      </div>
+    </div>
+  )
+}
+
+function RequirementsSection({ requirements }: { requirements: TraceabilityResult['requirements'] }) {
+  return (
+    <div className="border-l-4 border-orange-500 pl-4">
+      <h4 className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
+        Extrahierte Anforderungen ({requirements.length})
+      </h4>
+      {requirements.length > 0 ? (
+        <div className="space-y-2">
+          {requirements.map((req, idx) => (
+            <div key={idx} className="bg-orange-50 dark:bg-orange-900/20 rounded p-3">
+              <div className="flex items-center gap-2 mb-1">
+                <span className="text-xs font-medium text-orange-700 dark:text-orange-400">
+                  {req.category || 'Anforderung'}
+                </span>
+              </div>
+              <p className="text-sm text-gray-600 dark:text-gray-300">{req.text}</p>
+            </div>
+          ))}
+        </div>
+      ) : (
+        <p className="text-sm text-gray-500 dark:text-gray-400 italic">
+          Keine Anforderungen aus diesem Chunk extrahiert.
+          <br />
+          <span className="text-xs">(Requirements-Extraktion ist noch nicht implementiert)</span>
+        </p>
+      )}
+    </div>
+  )
+}
+
+function ControlsSection({ controls }: { controls: TraceabilityResult['controls'] }) {
+  return (
+    <div className="border-l-4 border-green-500 pl-4">
+      <h4 className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
+        Abgeleitete Controls ({controls.length})
+      </h4>
+      {controls.length > 0 ? (
+        <div className="space-y-2">
+          {controls.map((ctrl, idx) => (
+            <div key={idx} className="bg-green-50 dark:bg-green-900/20 rounded p-3">
+              <div className="font-medium text-sm text-green-700 dark:text-green-400 mb-1">
+                {ctrl.name}
+              </div>
+              <p className="text-sm text-gray-600 dark:text-gray-300">{ctrl.description}</p>
+            </div>
+          ))}
+        </div>
+      ) : (
+        <p className="text-sm text-gray-500 dark:text-gray-400 italic">
+          Keine Controls aus diesem Chunk abgeleitet.
+          <br />
+          <span className="text-xs">(Control-Ableitung ist noch nicht implementiert)</span>
+        </p>
+      )}
+    </div>
+  )
+}
+
+function ArrowDown() {
+  return (
+    <div className="flex justify-center">
+      <svg className="w-6 h-6 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 14l-7 7m0 0l-7-7m7 7V3" />
+      </svg>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/ai/quality/_components/types.ts

@@ -0,0 +1,66 @@
+export interface ChunkDetail {
+  id: string
+  text: string
+  regulation_code: string
+  regulation_name: string
+  article: string | null
+  paragraph: string | null
+  chunk_index: number
+  chunk_position: 'beginning' | 'middle' | 'end'
+  source_url: string
+  score?: number
+}
+
+export interface Requirement {
+  id: string
+  text: string
+  category: string
+  source_chunk_id: string
+  regulation_code: string
+}
+
+export interface Control {
+  id: string
+  name: string
+  description: string
+  source_requirement_ids: string[]
+  regulation_codes: string[]
+}
+
+export interface TraceabilityResult {
+  chunk: ChunkDetail
+  requirements: Requirement[]
+  controls: Control[]
+}
+
+export const API_PROXY = '/api/legal-corpus'
+
+export const REGULATIONS = [
+  { code: 'GDPR', name: 'DSGVO' },
+  { code: 'EPRIVACY', name: 'ePrivacy' },
+  { code: 'TDDDG', name: 'TDDDG' },
+  { code: 'SCC', name: 'Standardvertragsklauseln' },
+  { code: 'DPF', name: 'EU-US DPF' },
+  { code: 'AIACT', name: 'EU AI Act' },
+  { code: 'CRA', name: 'Cyber Resilience Act' },
+  { code: 'NIS2', name: 'NIS2' },
+  { code: 'EUCSA', name: 'EU Cybersecurity Act' },
+  { code: 'DATAACT', name: 'Data Act' },
+  { code: 'DGA', name: 'Data Governance Act' },
+  { code: 'DSA', name: 'Digital Services Act' },
+  { code: 'EAA', name: 'Accessibility Act' },
+  { code: 'DSM', name: 'DSM-Urheberrecht' },
+  { code: 'PLD', name: 'Produkthaftung' },
+  { code: 'GPSR', name: 'Product Safety' },
+  { code: 'BSI-TR-03161-1', name: 'BSI-TR Teil 1' },
+  { code: 'BSI-TR-03161-2', name: 'BSI-TR Teil 2' },
+  { code: 'BSI-TR-03161-3', name: 'BSI-TR Teil 3' },
+]
+
+export const SAMPLE_QUERIES = [
+  { label: 'Art. 17 DSGVO (Recht auf Loeschung)', query: 'Recht auf Löschung Artikel 17', reg: 'GDPR' },
+  { label: 'Einwilligung TDDDG', query: 'Einwilligung Endeinrichtung speichern', reg: 'TDDDG' },
+  { label: 'AI Act Hochrisiko', query: 'Hochrisiko-KI-System Anforderungen', reg: 'AIACT' },
+  { label: 'NIS2 Sicherheitsmaßnahmen', query: 'Cybersicherheitsrisikomanagement Maßnahmen', reg: 'NIS2' },
+  { label: 'BSI Authentifizierung', query: 'Authentifizierung Zwei-Faktor mobile', reg: 'BSI-TR-03161-1' },
+]

admin-lehrer/app/(admin)/ai/quality/_components/useQualitySearch.ts

@@ -0,0 +1,93 @@
+import { useState, useCallback } from 'react'
+import type { ChunkDetail, TraceabilityResult } from './types'
+import { API_PROXY } from './types'
+
+export function useQualitySearch() {
+  const [searchQuery, setSearchQuery] = useState('')
+  const [searchResults, setSearchResults] = useState<ChunkDetail[]>([])
+  const [searching, setSearching] = useState(false)
+  const [selectedRegulation, setSelectedRegulation] = useState<string>('')
+  const [topK, setTopK] = useState(10)
+
+  const [selectedChunk, setSelectedChunk] = useState<ChunkDetail | null>(null)
+  const [traceability, setTraceability] = useState<TraceabilityResult | null>(null)
+  const [loadingTrace, setLoadingTrace] = useState(false)
+
+  const handleSearch = useCallback(async () => {
+    if (!searchQuery.trim()) return
+
+    setSearching(true)
+    setSearchResults([])
+    setSelectedChunk(null)
+    setTraceability(null)
+
+    try {
+      let url = `${API_PROXY}?action=search&query=${encodeURIComponent(searchQuery)}&top_k=${topK}`
+      if (selectedRegulation) {
+        url += `&regulations=${encodeURIComponent(selectedRegulation)}`
+      }
+
+      const res = await fetch(url)
+      if (res.ok) {
+        const data = await res.json()
+        setSearchResults(data.results || [])
+      }
+    } catch (error) {
+      console.error('Search failed:', error)
+    } finally {
+      setSearching(false)
+    }
+  }, [searchQuery, selectedRegulation, topK])
+
+  const loadTraceability = useCallback(async (chunk: ChunkDetail) => {
+    setSelectedChunk(chunk)
+    setLoadingTrace(true)
+
+    try {
+      const res = await fetch(
+        `${API_PROXY}?action=traceability&chunk_id=${encodeURIComponent(chunk.id || chunk.regulation_code + '_' + chunk.chunk_index)}&regulation=${encodeURIComponent(chunk.regulation_code)}`
+      )
+
+      if (res.ok) {
+        const data = await res.json()
+        setTraceability({
+          chunk,
+          requirements: data.requirements || [],
+          controls: data.controls || [],
+        })
+      } else {
+        setTraceability({ chunk, requirements: [], controls: [] })
+      }
+    } catch (error) {
+      console.error('Failed to load traceability:', error)
+      setTraceability({ chunk, requirements: [], controls: [] })
+    } finally {
+      setLoadingTrace(false)
+    }
+  }, [])
+
+  const handleSampleQuery = (query: string, reg: string) => {
+    setSearchQuery(query)
+    setSelectedRegulation(reg)
+    setTimeout(() => {
+      handleSearch()
+    }, 100)
+  }
+
+  return {
+    searchQuery,
+    setSearchQuery,
+    searchResults,
+    searching,
+    selectedRegulation,
+    setSelectedRegulation,
+    topK,
+    setTopK,
+    selectedChunk,
+    traceability,
+    loadingTrace,
+    handleSearch,
+    loadTraceability,
+    handleSampleQuery,
+  }
+}

admin-lehrer/app/(admin)/ai/quality/page.tsx

@@ -5,184 +5,34 @@
  *
  * Ermoeglicht Auditoren:
  * - Chunk-Suche und Stichproben
- * - Traceability: Chunk → Requirement → Control
+ * - Traceability: Chunk -> Requirement -> Control
  * - Dokumenten-Vollstaendigkeitspruefung
  */
 
-import { useState, useCallback } from 'react'
 import Link from 'next/link'
 import { PagePurpose } from '@/components/common/PagePurpose'
-
-const API_PROXY = '/api/legal-corpus'
-
-// Types
-interface ChunkDetail {
-  id: string
-  text: string
-  regulation_code: string
-  regulation_name: string
-  article: string | null
-  paragraph: string | null
-  chunk_index: number
-  chunk_position: 'beginning' | 'middle' | 'end'
-  source_url: string
-  score?: number
-}
-
-interface Requirement {
-  id: string
-  text: string
-  category: string
-  source_chunk_id: string
-  regulation_code: string
-}
-
-interface Control {
-  id: string
-  name: string
-  description: string
-  source_requirement_ids: string[]
-  regulation_codes: string[]
-}
-
-interface TraceabilityResult {
-  chunk: ChunkDetail
-  requirements: Requirement[]
-  controls: Control[]
-}
-
-// Regulations for filtering
-const REGULATIONS = [
-  { code: 'GDPR', name: 'DSGVO' },
-  { code: 'EPRIVACY', name: 'ePrivacy' },
-  { code: 'TDDDG', name: 'TDDDG' },
-  { code: 'SCC', name: 'Standardvertragsklauseln' },
-  { code: 'DPF', name: 'EU-US DPF' },
-  { code: 'AIACT', name: 'EU AI Act' },
-  { code: 'CRA', name: 'Cyber Resilience Act' },
-  { code: 'NIS2', name: 'NIS2' },
-  { code: 'EUCSA', name: 'EU Cybersecurity Act' },
-  { code: 'DATAACT', name: 'Data Act' },
-  { code: 'DGA', name: 'Data Governance Act' },
-  { code: 'DSA', name: 'Digital Services Act' },
-  { code: 'EAA', name: 'Accessibility Act' },
-  { code: 'DSM', name: 'DSM-Urheberrecht' },
-  { code: 'PLD', name: 'Produkthaftung' },
-  { code: 'GPSR', name: 'Product Safety' },
-  { code: 'BSI-TR-03161-1', name: 'BSI-TR Teil 1' },
-  { code: 'BSI-TR-03161-2', name: 'BSI-TR Teil 2' },
-  { code: 'BSI-TR-03161-3', name: 'BSI-TR Teil 3' },
-]
-
-const TYPE_COLORS: Record<string, string> = {
-  eu_regulation: 'bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400',
-  eu_directive: 'bg-purple-100 text-purple-700 dark:bg-purple-900/30 dark:text-purple-400',
-  de_law: 'bg-yellow-100 text-yellow-700 dark:bg-yellow-900/30 dark:text-yellow-400',
-  bsi_standard: 'bg-green-100 text-green-700 dark:bg-green-900/30 dark:text-green-400',
-}
+import { useQualitySearch } from './_components/useQualitySearch'
+import { SearchSection } from './_components/SearchSection'
+import { ResultsList } from './_components/ResultsList'
+import { TraceabilityPanel } from './_components/TraceabilityPanel'
 
 export default function QualityPage() {
-  // Search state
-  const [searchQuery, setSearchQuery] = useState('')
-  const [searchResults, setSearchResults] = useState<ChunkDetail[]>([])
-  const [searching, setSearching] = useState(false)
-  const [selectedRegulation, setSelectedRegulation] = useState<string>('')
-  const [topK, setTopK] = useState(10)
-
-  // Traceability state
-  const [selectedChunk, setSelectedChunk] = useState<ChunkDetail | null>(null)
-  const [traceability, setTraceability] = useState<TraceabilityResult | null>(null)
-  const [loadingTrace, setLoadingTrace] = useState(false)
-
-  // Quick sample queries for auditors
-  const sampleQueries = [
-    { label: 'Art. 17 DSGVO (Recht auf Loeschung)', query: 'Recht auf Löschung Artikel 17', reg: 'GDPR' },
-    { label: 'Einwilligung TDDDG', query: 'Einwilligung Endeinrichtung speichern', reg: 'TDDDG' },
-    { label: 'AI Act Hochrisiko', query: 'Hochrisiko-KI-System Anforderungen', reg: 'AIACT' },
-    { label: 'NIS2 Sicherheitsmaßnahmen', query: 'Cybersicherheitsrisikomanagement Maßnahmen', reg: 'NIS2' },
-    { label: 'BSI Authentifizierung', query: 'Authentifizierung Zwei-Faktor mobile', reg: 'BSI-TR-03161-1' },
-  ]
-
-  const handleSearch = useCallback(async () => {
-    if (!searchQuery.trim()) return
-
-    setSearching(true)
-    setSearchResults([])
-    setSelectedChunk(null)
-    setTraceability(null)
-
-    try {
-      let url = `${API_PROXY}?action=search&query=${encodeURIComponent(searchQuery)}&top_k=${topK}`
-      if (selectedRegulation) {
-        url += `&regulations=${encodeURIComponent(selectedRegulation)}`
-      }
-
-      const res = await fetch(url)
-      if (res.ok) {
-        const data = await res.json()
-        setSearchResults(data.results || [])
-      }
-    } catch (error) {
-      console.error('Search failed:', error)
-    } finally {
-      setSearching(false)
-    }
-  }, [searchQuery, selectedRegulation, topK])
-
-  const loadTraceability = useCallback(async (chunk: ChunkDetail) => {
-    setSelectedChunk(chunk)
-    setLoadingTrace(true)
-
-    try {
-      // Try to load traceability (requirements and controls derived from this chunk)
-      const res = await fetch(`${API_PROXY}?action=traceability&chunk_id=${encodeURIComponent(chunk.id || chunk.regulation_code + '_' + chunk.chunk_index)}&regulation=${encodeURIComponent(chunk.regulation_code)}`)
-
-      if (res.ok) {
-        const data = await res.json()
-        setTraceability({
-          chunk,
-          requirements: data.requirements || [],
-          controls: data.controls || [],
-        })
-      } else {
-        // If traceability endpoint doesn't exist yet, show placeholder
-        setTraceability({
-          chunk,
-          requirements: [],
-          controls: [],
-        })
-      }
-    } catch (error) {
-      console.error('Failed to load traceability:', error)
-      setTraceability({
-        chunk,
-        requirements: [],
-        controls: [],
-      })
-    } finally {
-      setLoadingTrace(false)
-    }
-  }, [])
-
-  const handleSampleQuery = (query: string, reg: string) => {
-    setSearchQuery(query)
-    setSelectedRegulation(reg)
-    // Auto-search after setting
-    setTimeout(() => {
-      handleSearch()
-    }, 100)
-  }
-
-  const highlightText = (text: string, query: string) => {
-    if (!query) return text
-    const words = query.toLowerCase().split(' ').filter(w => w.length > 2)
-    let result = text
-    words.forEach(word => {
-      const regex = new RegExp(`(${word})`, 'gi')
-      result = result.replace(regex, '<mark class="bg-yellow-200 dark:bg-yellow-800 px-0.5 rounded">$1</mark>')
-    })
-    return result
-  }
+  const {
+    searchQuery,
+    setSearchQuery,
+    searchResults,
+    searching,
+    selectedRegulation,
+    setSelectedRegulation,
+    topK,
+    setTopK,
+    selectedChunk,
+    traceability,
+    loadingTrace,
+    handleSearch,
+    loadTraceability,
+    handleSampleQuery,
+  } = useQualitySearch()
 
   return (
     <div className="space-y-6">
@@ -214,265 +64,32 @@ export default function QualityPage() {
         }}
       />
 
-      {/* Quick Sample Queries */}
-      <div className="bg-white dark:bg-slate-800 rounded-lg shadow p-4">
-        <h3 className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-3">
-          Schnell-Stichproben
-        </h3>
-        <div className="flex flex-wrap gap-2">
-          {sampleQueries.map((sq, idx) => (
-            <button
-              key={idx}
-              onClick={() => handleSampleQuery(sq.query, sq.reg)}
-              className="px-3 py-1.5 text-xs bg-gray-100 hover:bg-gray-200 dark:bg-slate-700 dark:hover:bg-slate-600 text-gray-700 dark:text-gray-300 rounded-full transition-colors"
-            >
-              {sq.label}
-            </button>
-          ))}
-        </div>
-      </div>
-
-      {/* Search Section */}
-      <div className="bg-white dark:bg-slate-800 rounded-lg shadow p-6">
-        <h2 className="text-lg font-semibold text-gray-900 dark:text-white mb-4">
-          Chunk-Suche
-        </h2>
-
-        <div className="space-y-4">
-          {/* Search Input */}
-          <div className="flex gap-4">
-            <div className="flex-1">
-              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1">
-                Suchbegriff / Paragraph / Artikeltext
-              </label>
-              <input
-                type="text"
-                value={searchQuery}
-                onChange={(e) => setSearchQuery(e.target.value)}
-                onKeyDown={(e) => e.key === 'Enter' && handleSearch()}
-                placeholder="z.B. 'Recht auf Löschung' oder 'Art. 17 Abs. 1'"
-                className="w-full px-4 py-2 border border-gray-300 dark:border-slate-600 rounded-lg focus:ring-2 focus:ring-blue-500 dark:bg-slate-700 dark:text-white"
+      <SearchSection
+        searchQuery={searchQuery}
+        selectedRegulation={selectedRegulation}
+        topK={topK}
+        searching={searching}
+        onSearchQueryChange={setSearchQuery}
+        onRegulationChange={setSelectedRegulation}
+        onTopKChange={setTopK}
+        onSearch={handleSearch}
+        onSampleQuery={handleSampleQuery}
       />
-            </div>
-            <div className="w-48">
-              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1">
-                Regulierung
-              </label>
-              <select
-                value={selectedRegulation}
-                onChange={(e) => setSelectedRegulation(e.target.value)}
-                className="w-full px-3 py-2 border border-gray-300 dark:border-slate-600 rounded-lg focus:ring-2 focus:ring-blue-500 dark:bg-slate-700 dark:text-white"
-              >
-                <option value="">Alle</option>
-                {REGULATIONS.map((reg) => (
-                  <option key={reg.code} value={reg.code}>
-                    {reg.name}
-                  </option>
-                ))}
-              </select>
-            </div>
-            <div className="w-24">
-              <label className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1">
-                Anzahl
-              </label>
-              <select
-                value={topK}
-                onChange={(e) => setTopK(parseInt(e.target.value))}
-                className="w-full px-3 py-2 border border-gray-300 dark:border-slate-600 rounded-lg focus:ring-2 focus:ring-blue-500 dark:bg-slate-700 dark:text-white"
-              >
-                <option value="5">5</option>
-                <option value="10">10</option>
-                <option value="20">20</option>
-              </select>
-            </div>
-          </div>
-
-          <button
-            onClick={handleSearch}
-            disabled={searching || !searchQuery.trim()}
-            className="px-6 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 disabled:opacity-50 disabled:cursor-not-allowed transition-colors"
-          >
-            {searching ? 'Suche laeuft...' : 'Suchen'}
-          </button>
-        </div>
-      </div>
 
       {/* Results Grid */}
       {searchResults.length > 0 && (
         <div className="grid grid-cols-1 lg:grid-cols-2 gap-6">
-          {/* Search Results List */}
-          <div className="bg-white dark:bg-slate-800 rounded-lg shadow p-4">
-            <h3 className="text-md font-semibold text-gray-900 dark:text-white mb-4">
-              Gefundene Chunks ({searchResults.length})
-            </h3>
-            <div className="space-y-3 max-h-[600px] overflow-y-auto">
-              {searchResults.map((result, idx) => (
-                <div
-                  key={idx}
-                  onClick={() => loadTraceability(result)}
-                  className={`p-4 border rounded-lg cursor-pointer transition-all ${
-                    selectedChunk?.text === result.text
-                      ? 'border-blue-500 bg-blue-50 dark:bg-blue-900/20'
-                      : 'border-gray-200 dark:border-slate-700 hover:border-gray-300 dark:hover:border-slate-600'
-                  }`}
-                >
-                  {/* Header */}
-                  <div className="flex items-center justify-between mb-2">
-                    <div className="flex items-center gap-2">
-                      <span className="text-xs font-medium px-2 py-0.5 bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400 rounded">
-                        {result.regulation_code}
-                      </span>
-                      {result.article && (
-                        <span className="text-xs text-gray-500 dark:text-gray-400">
-                          Art. {result.article}
-                          {result.paragraph && ` Abs. ${result.paragraph}`}
-                        </span>
-                      )}
-                    </div>
-                    <span className="text-xs text-gray-400">
-                      Score: {(result.score || 0).toFixed(3)}
-                    </span>
-                  </div>
-
-                  {/* Text Preview */}
-                  <p
-                    className="text-sm text-gray-700 dark:text-gray-300 line-clamp-4"
-                    dangerouslySetInnerHTML={{
-                      __html: highlightText(result.text.substring(0, 400) + (result.text.length > 400 ? '...' : ''), searchQuery)
-                    }}
+          <ResultsList
+            results={searchResults}
+            selectedChunk={selectedChunk}
+            searchQuery={searchQuery}
+            onSelect={loadTraceability}
+          />
+          <TraceabilityPanel
+            selectedChunk={selectedChunk}
+            loadingTrace={loadingTrace}
+            traceability={traceability}
           />
-
-                  {/* Metadata */}
-                  <div className="mt-2 flex items-center gap-4 text-xs text-gray-400">
-                    <span>Chunk #{result.chunk_index || idx}</span>
-                    <span>{result.text.length} Zeichen</span>
-                  </div>
-                </div>
-              ))}
-            </div>
-          </div>
-
-          {/* Traceability Panel */}
-          <div className="bg-white dark:bg-slate-800 rounded-lg shadow p-4">
-            <h3 className="text-md font-semibold text-gray-900 dark:text-white mb-4">
-              Traceability
-            </h3>
-
-            {!selectedChunk ? (
-              <div className="text-center py-12 text-gray-500 dark:text-gray-400">
-                <svg className="w-12 h-12 mx-auto mb-4 opacity-50" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
-                </svg>
-                <p>Waehlen Sie einen Chunk aus der Liste, um die Traceability zu sehen.</p>
-              </div>
-            ) : loadingTrace ? (
-              <div className="text-center py-12">
-                <div className="animate-spin w-8 h-8 border-2 border-blue-500 border-t-transparent rounded-full mx-auto mb-4"></div>
-                <p className="text-gray-500 dark:text-gray-400">Lade Traceability...</p>
-              </div>
-            ) : traceability ? (
-              <div className="space-y-6">
-                {/* Selected Chunk Detail */}
-                <div className="border-l-4 border-blue-500 pl-4">
-                  <h4 className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
-                    📄 Ausgewaehlter Chunk
-                  </h4>
-                  <div className="bg-gray-50 dark:bg-slate-700 rounded p-3">
-                    <div className="flex items-center gap-2 mb-2">
-                      <span className="text-xs font-medium px-2 py-0.5 bg-blue-100 text-blue-700 dark:bg-blue-900/30 dark:text-blue-400 rounded">
-                        {traceability.chunk.regulation_code}
-                      </span>
-                      {traceability.chunk.article && (
-                        <span className="text-xs text-gray-500 dark:text-gray-400">
-                          Art. {traceability.chunk.article}
-                          {traceability.chunk.paragraph && ` Abs. ${traceability.chunk.paragraph}`}
-                        </span>
-                      )}
-                    </div>
-                    <p className="text-sm text-gray-600 dark:text-gray-300 whitespace-pre-wrap">
-                      {traceability.chunk.text}
-                    </p>
-                    {traceability.chunk.source_url && (
-                      <a
-                        href={traceability.chunk.source_url}
-                        target="_blank"
-                        rel="noopener noreferrer"
-                        className="mt-2 inline-flex items-center gap-1 text-xs text-blue-600 hover:underline"
-                      >
-                        🔗 Quelle oeffnen
-                      </a>
-                    )}
-                  </div>
-                </div>
-
-                {/* Arrow Down */}
-                <div className="flex justify-center">
-                  <svg className="w-6 h-6 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 14l-7 7m0 0l-7-7m7 7V3" />
-                  </svg>
-                </div>
-
-                {/* Requirements */}
-                <div className="border-l-4 border-orange-500 pl-4">
-                  <h4 className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
-                    📋 Extrahierte Anforderungen ({traceability.requirements.length})
-                  </h4>
-                  {traceability.requirements.length > 0 ? (
-                    <div className="space-y-2">
-                      {traceability.requirements.map((req, idx) => (
-                        <div key={idx} className="bg-orange-50 dark:bg-orange-900/20 rounded p-3">
-                          <div className="flex items-center gap-2 mb-1">
-                            <span className="text-xs font-medium text-orange-700 dark:text-orange-400">
-                              {req.category || 'Anforderung'}
-                            </span>
-                          </div>
-                          <p className="text-sm text-gray-600 dark:text-gray-300">{req.text}</p>
-                        </div>
-                      ))}
-                    </div>
-                  ) : (
-                    <p className="text-sm text-gray-500 dark:text-gray-400 italic">
-                      Keine Anforderungen aus diesem Chunk extrahiert.
-                      <br />
-                      <span className="text-xs">(Requirements-Extraktion ist noch nicht implementiert)</span>
-                    </p>
-                  )}
-                </div>
-
-                {/* Arrow Down */}
-                <div className="flex justify-center">
-                  <svg className="w-6 h-6 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 14l-7 7m0 0l-7-7m7 7V3" />
-                  </svg>
-                </div>
-
-                {/* Controls */}
-                <div className="border-l-4 border-green-500 pl-4">
-                  <h4 className="text-sm font-medium text-gray-700 dark:text-gray-300 mb-2">
-                    ✅ Abgeleitete Controls ({traceability.controls.length})
-                  </h4>
-                  {traceability.controls.length > 0 ? (
-                    <div className="space-y-2">
-                      {traceability.controls.map((ctrl, idx) => (
-                        <div key={idx} className="bg-green-50 dark:bg-green-900/20 rounded p-3">
-                          <div className="font-medium text-sm text-green-700 dark:text-green-400 mb-1">
-                            {ctrl.name}
-                          </div>
-                          <p className="text-sm text-gray-600 dark:text-gray-300">{ctrl.description}</p>
-                        </div>
-                      ))}
-                    </div>
-                  ) : (
-                    <p className="text-sm text-gray-500 dark:text-gray-400 italic">
-                      Keine Controls aus diesem Chunk abgeleitet.
-                      <br />
-                      <span className="text-xs">(Control-Ableitung ist noch nicht implementiert)</span>
-                    </p>
-                  )}
-                </div>
-              </div>
-            ) : null}
-          </div>
         </div>
       )}
 
@@ -510,13 +127,13 @@ export default function QualityPage() {
       {/* Audit Info */}
       <div className="bg-blue-50 dark:bg-blue-900/20 border border-blue-200 dark:border-blue-800 rounded-lg p-4">
         <h3 className="text-sm font-medium text-blue-800 dark:text-blue-400 mb-2">
-          ℹ️ Hinweise fuer Auditoren
+          Hinweise fuer Auditoren
         </h3>
         <ul className="text-sm text-blue-700 dark:text-blue-300 space-y-1 list-disc list-inside">
           <li>Die Suche ist semantisch - aehnliche Begriffe werden gefunden, auch wenn die exakte Formulierung abweicht</li>
           <li>Jeder Chunk entspricht einem logischen Textabschnitt aus dem Originaldokument</li>
           <li>Die Traceability zeigt, wie aus dem Originaltext Anforderungen und Controls abgeleitet wurden</li>
-          <li>Klicken Sie auf "Quelle oeffnen", um das Originaldokument zu pruefen</li>
+          <li>Klicken Sie auf &quot;Quelle oeffnen&quot;, um das Originaldokument zu pruefen</li>
         </ul>
       </div>
     </div>

admin-lehrer/app/(admin)/backlog/_components/BacklogItemCard.tsx

@@ -0,0 +1,129 @@
+'use client'
+
+import { ChevronRight } from 'lucide-react'
+import type { BacklogItem, BacklogCategory } from '../types'
+import { statusLabels, priorityLabels } from '../data'
+
+interface BacklogItemCardProps {
+  item: BacklogItem
+  category: BacklogCategory | undefined
+  isExpanded: boolean
+  onToggleExpand: (id: string) => void
+  onUpdateStatus: (id: string, status: BacklogItem['status']) => void
+  onToggleSubtask: (itemId: string, subtaskId: string) => void
+}
+
+export function BacklogItemCard({
+  item,
+  category,
+  isExpanded,
+  onToggleExpand,
+  onUpdateStatus,
+  onToggleSubtask,
+}: BacklogItemCardProps) {
+  const completedSubtasks = item.subtasks?.filter((st) => st.completed).length || 0
+  const totalSubtasks = item.subtasks?.length || 0
+
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 overflow-hidden">
+      <div
+        className="p-4 cursor-pointer hover:bg-slate-50 transition-colors"
+        onClick={() => onToggleExpand(item.id)}
+      >
+        <div className="flex items-start gap-3">
+          {/* Expand Icon */}
+          <button className="mt-1 text-slate-400">
+            <ChevronRight
+              className={`w-5 h-5 transition-transform ${isExpanded ? 'rotate-90' : ''}`}
+            />
+          </button>
+
+          {/* Content */}
+          <div className="flex-1 min-w-0">
+            <div className="flex items-center gap-2 mb-1 flex-wrap">
+              <h3 className="font-semibold text-slate-900">{item.title}</h3>
+              <span
+                className={`px-2 py-0.5 rounded text-xs font-medium ${
+                  priorityLabels[item.priority].color
+                }`}
+              >
+                {priorityLabels[item.priority].label}
+              </span>
+            </div>
+            <p className="text-sm text-slate-500 mb-2">{item.description}</p>
+            {item.notes && (
+              <p className="text-xs text-slate-400 mb-2 italic">{item.notes}</p>
+            )}
+            <div className="flex items-center gap-3 text-xs">
+              <span className={`px-2 py-1 rounded border ${category?.bgColor}`}>
+                {category?.name}
+              </span>
+              {totalSubtasks > 0 && (
+                <span className="text-slate-500">
+                  {completedSubtasks}/{totalSubtasks} Teilaufgaben
+                </span>
+              )}
+            </div>
+          </div>
+
+          {/* Status */}
+          <select
+            value={item.status}
+            onChange={(e) => {
+              e.stopPropagation()
+              onUpdateStatus(item.id, e.target.value as BacklogItem['status'])
+            }}
+            onClick={(e) => e.stopPropagation()}
+            className={`px-3 py-1.5 rounded-lg text-sm font-medium border-0 cursor-pointer ${
+              statusLabels[item.status].color
+            }`}
+          >
+            {Object.entries(statusLabels).map(([value, { label }]) => (
+              <option key={value} value={value}>
+                {label}
+              </option>
+            ))}
+          </select>
+        </div>
+
+        {/* Progress Bar */}
+        {totalSubtasks > 0 && (
+          <div className="mt-3 ml-8">
+            <div className="w-full bg-slate-200 rounded-full h-1.5">
+              <div
+                className="bg-green-500 h-1.5 rounded-full transition-all"
+                style={{ width: `${(completedSubtasks / totalSubtasks) * 100}%` }}
+              />
+            </div>
+          </div>
+        )}
+      </div>
+
+      {/* Expanded Subtasks */}
+      {isExpanded && item.subtasks && item.subtasks.length > 0 && (
+        <div className="border-t border-slate-200 bg-slate-50 p-4 pl-12">
+          <h4 className="text-sm font-medium text-slate-700 mb-3">Teilaufgaben</h4>
+          <ul className="space-y-2">
+            {item.subtasks.map((subtask) => (
+              <li key={subtask.id} className="flex items-center gap-3">
+                <input
+                  type="checkbox"
+                  checked={subtask.completed}
+                  onChange={() => onToggleSubtask(item.id, subtask.id)}
+                  className="w-4 h-4 rounded border-slate-300 text-blue-600 focus:ring-blue-500"
+                />
+                <span
+                  className={`text-sm ${
+                    subtask.completed ? 'text-slate-400 line-through' : 'text-slate-700'
+                  }`}
+                >
+                  {subtask.title}
+                </span>
+              </li>
+            ))}
+          </ul>
+        </div>
+      )}
+    </div>
+  )
+}

admin-lehrer/app/(admin)/backlog/_components/CategoryCards.tsx

@@ -0,0 +1,46 @@
+'use client'
+
+import type { BacklogCategory, CategoryProgress } from '../types'
+
+interface CategoryCardsProps {
+  categories: BacklogCategory[]
+  selectedCategory: string | null
+  onSelectCategory: (id: string | null) => void
+  getCategoryProgress: (categoryId: string) => CategoryProgress
+}
+
+export function CategoryCards({
+  categories,
+  selectedCategory,
+  onSelectCategory,
+  getCategoryProgress,
+}: CategoryCardsProps) {
+  return (
+    <div className="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-5 gap-3">
+      {categories.map((cat) => {
+        const catProgress = getCategoryProgress(cat.id)
+        return (
+          <button
+            key={cat.id}
+            onClick={() => onSelectCategory(selectedCategory === cat.id ? null : cat.id)}
+            className={`p-3 rounded-xl border-2 text-left transition-all ${
+              selectedCategory === cat.id
+                ? `${cat.bgColor} ring-2 ring-offset-2`
+                : 'bg-white border-slate-200 hover:border-slate-300'
+            }`}
+          >
+            <div className="flex items-center gap-2 mb-1">
+              <span className={selectedCategory === cat.id ? cat.color : 'text-slate-500'}>
+                {cat.icon}
+              </span>
+              <span className="font-medium text-xs truncate">{cat.name}</span>
+            </div>
+            <div className="text-xs text-slate-500">
+              {catProgress.completed}/{catProgress.total}
+            </div>
+          </button>
+        )
+      })}
+    </div>
+  )
+}

admin-lehrer/app/(admin)/backlog/_components/FilterBar.tsx

@@ -0,0 +1,55 @@
+'use client'
+
+import { Search } from 'lucide-react'
+
+interface FilterBarProps {
+  searchQuery: string
+  onSearchChange: (query: string) => void
+  selectedPriority: string | null
+  onPriorityChange: (priority: string | null) => void
+  hasActiveFilters: boolean
+  onClearFilters: () => void
+}
+
+export function FilterBar({
+  searchQuery,
+  onSearchChange,
+  selectedPriority,
+  onPriorityChange,
+  hasActiveFilters,
+  onClearFilters,
+}: FilterBarProps) {
+  return (
+    <div className="flex flex-wrap gap-4">
+      <div className="flex-1 min-w-[200px] relative">
+        <Search className="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-slate-400" />
+        <input
+          type="text"
+          placeholder="Suchen..."
+          value={searchQuery}
+          onChange={(e) => onSearchChange(e.target.value)}
+          className="w-full pl-10 pr-4 py-2 border border-slate-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
+        />
+      </div>
+      <select
+        value={selectedPriority || ''}
+        onChange={(e) => onPriorityChange(e.target.value || null)}
+        className="px-4 py-2 border border-slate-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
+      >
+        <option value="">Alle Prioritaeten</option>
+        <option value="critical">Kritisch</option>
+        <option value="high">Hoch</option>
+        <option value="medium">Mittel</option>
+        <option value="low">Niedrig</option>
+      </select>
+      {hasActiveFilters && (
+        <button
+          onClick={onClearFilters}
+          className="px-4 py-2 text-sm text-slate-600 hover:text-slate-900"
+        >
+          Filter zuruecksetzen
+        </button>
+      )}
+    </div>
+  )
+}

admin-lehrer/app/(admin)/backlog/_components/InfoBox.tsx

@@ -0,0 +1,25 @@
+'use client'
+
+import { AlertTriangle } from 'lucide-react'
+
+export function InfoBox() {
+  return (
+    <div className="bg-amber-50 border border-amber-200 rounded-xl p-6">
+      <div className="flex items-start gap-4">
+        <AlertTriangle className="w-6 h-6 text-amber-600 flex-shrink-0 mt-0.5" />
+        <div>
+          <h3 className="font-semibold text-amber-900">Wichtiger Hinweis</h3>
+          <p className="text-sm text-amber-800 mt-1">
+            Diese Backlog-Liste muss vollstaendig abgearbeitet sein, bevor BreakPilot in den
+            Produktivbetrieb gehen kann. Alle kritischen Items muessen abgeschlossen sein. Der
+            Fortschritt wird lokal im Browser gespeichert und kann mit &quot;Zuruecksetzen&quot;
+            auf die Standardwerte zurueckgesetzt werden.
+          </p>
+          <p className="text-xs text-amber-700 mt-2">
+            Letzte Aktualisierung: 2026-02-03
+          </p>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/backlog/_components/OverallProgress.tsx

@@ -0,0 +1,38 @@
+'use client'
+
+import type { BacklogProgress } from '../types'
+
+interface OverallProgressProps {
+  progress: BacklogProgress
+  onReset: () => void
+}
+
+export function OverallProgress({ progress, onReset }: OverallProgressProps) {
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 p-6">
+      <div className="flex items-center justify-between mb-4">
+        <div>
+          <h2 className="text-lg font-semibold text-slate-900">Gesamtfortschritt</h2>
+          <p className="text-sm text-slate-500">
+            {progress.completed} von {progress.total} Aufgaben abgeschlossen
+          </p>
+        </div>
+        <div className="flex items-center gap-4">
+          <button
+            onClick={onReset}
+            className="text-sm text-slate-500 hover:text-slate-700"
+          >
+            Zuruecksetzen
+          </button>
+          <div className="text-3xl font-bold text-blue-600">{progress.percentage}%</div>
+        </div>
+      </div>
+      <div className="w-full bg-slate-200 rounded-full h-3">
+        <div
+          className="bg-blue-600 h-3 rounded-full transition-all duration-500"
+          style={{ width: `${progress.percentage}%` }}
+        />
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/backlog/backlog-items.ts

@@ -0,0 +1,506 @@
+import type { BacklogItem } from './types'
+
+// UPDATED: 2026-02-03 - Reflects actual project state
+export const initialBacklogItems: BacklogItem[] = [
+  // ==================== MODULE PROGRESS ====================
+  {
+    id: 'mod-1',
+    title: 'Consent Service (Go) - 90% fertig',
+    description: 'DSGVO Consent Management Microservice - Production Ready',
+    category: 'modules',
+    priority: 'high',
+    status: 'in_progress',
+    notes: 'Port 8081. Umfangreiche Tests. JWT Auth, OAuth 2.0, TOTP 2FA, DSR Workflow, Matrix/Jitsi Integration, Session Management, PII Redactor.',
+    subtasks: [
+      { id: 'mod-1-1', title: 'Core Consent API (CRUD, Versioning)', completed: true },
+      { id: 'mod-1-2', title: 'Authentication (JWT, OAuth 2.0, TOTP)', completed: true },
+      { id: 'mod-1-3', title: 'DSR Workflow (Art. 15-21)', completed: true },
+      { id: 'mod-1-4', title: 'Email Templates & Notifications', completed: true },
+      { id: 'mod-1-5', title: 'Matrix/Jitsi Integration', completed: true },
+      { id: 'mod-1-6', title: 'Session Management & Middleware', completed: true },
+      { id: 'mod-1-7', title: 'PII Redactor & Security Headers', completed: true },
+      { id: 'mod-1-8', title: 'Performance Tests (High-Load)', completed: false },
+    ],
+  },
+  {
+    id: 'mod-2',
+    title: 'Admin-v2 Frontend (Next.js 15) - 95% fertig',
+    description: 'Neues Admin Dashboard - Feature Complete',
+    category: 'modules',
+    priority: 'critical',
+    status: 'completed',
+    notes: 'Port 3002. 73 Seiten, 154 Dateien, 50k+ Zeilen Code. Alle Module migriert.',
+    subtasks: [
+      { id: 'mod-2-1', title: 'Layout mit Sidebar Navigation', completed: true },
+      { id: 'mod-2-2', title: 'AI Module (Agents, RAG, Quality, LLM Compare)', completed: true },
+      { id: 'mod-2-3', title: 'Compliance Module (AI Act, DSFA, Controls, Evidence)', completed: true },
+      { id: 'mod-2-4', title: 'Communication Module (Mail, Matrix, Video-Chat, Alerts)', completed: true },
+      { id: 'mod-2-5', title: 'DSGVO Module (Advisory Board, Consent, DSR, TOM, VVT)', completed: true },
+      { id: 'mod-2-6', title: 'Infrastructure Module (CI/CD, GPU, SBOM, Security, Tests)', completed: true },
+      { id: 'mod-2-7', title: 'Education Module (Edu-Search, Foerderantrag)', completed: true },
+      { id: 'mod-2-8', title: 'Wizard Framework (Stepper, TestRunner, etc.)', completed: true },
+      { id: 'mod-2-9', title: 'API Proxy Routes', completed: true },
+      { id: 'mod-2-10', title: 'E2E Tests mit Playwright', completed: false },
+    ],
+  },
+  {
+    id: 'mod-3',
+    title: 'Studio-v2 Frontend (Next.js 15) - 90% fertig',
+    description: 'Lehrer/Schueler Studio mit Apple Weather UI',
+    category: 'modules',
+    priority: 'high',
+    status: 'completed',
+    notes: 'Port 3001. 21 Seiten, 111 Dateien, 38k+ Zeilen. Experimental Dashboard, Korrektur, Geo-Lernwelt.',
+    subtasks: [
+      { id: 'mod-3-1', title: 'Experimental Dashboard (Glassmorphism)', completed: true },
+      { id: 'mod-3-2', title: 'Korrektur-System mit Fairness-Analyse', completed: true },
+      { id: 'mod-3-3', title: 'Geo-Lernwelt (Maps, AOI)', completed: true },
+      { id: 'mod-3-4', title: 'Voice Components', completed: true },
+      { id: 'mod-3-5', title: 'Worksheet Editor', completed: true },
+      { id: 'mod-3-6', title: 'Alerts & B2B Migration Wizard', completed: true },
+      { id: 'mod-3-7', title: 'Document Upload & QR Code', completed: true },
+      { id: 'mod-3-8', title: 'Messages & Meet Integration', completed: true },
+    ],
+  },
+  {
+    id: 'mod-4',
+    title: 'Backend (Python FastAPI) - 85% fertig',
+    description: 'Hauptbackend mit umfangreichen Erweiterungen',
+    category: 'modules',
+    priority: 'critical',
+    status: 'in_progress',
+    notes: 'Port 8000. 238 Dateien, 94k+ Zeilen. Alerts Agent, Compliance, Classroom Engine, Game, Klausur.',
+    subtasks: [
+      { id: 'mod-4-1', title: 'Alerts Agent (Rules, Digests, Actions)', completed: true },
+      { id: 'mod-4-2', title: 'Compliance Module (AI Act, ISMS, Audit)', completed: true },
+      { id: 'mod-4-3', title: 'Classroom Engine (FSM, Analytics, Timer)', completed: true },
+      { id: 'mod-4-4', title: 'Game API (Learning Rules, Quiz)', completed: true },
+      { id: 'mod-4-5', title: 'Klausur Backend (OCR, Correction)', completed: true },
+      { id: 'mod-4-6', title: 'Unit API & Analytics', completed: true },
+      { id: 'mod-4-7', title: 'Middleware (Rate Limiter, Security)', completed: true },
+      { id: 'mod-4-8', title: 'Session Management (RBAC)', completed: true },
+      { id: 'mod-4-9', title: 'Transcription Worker', completed: true },
+      { id: 'mod-4-10', title: 'Alembic Migrations', completed: true },
+      { id: 'mod-4-11', title: 'Integration Tests erweitern', completed: false },
+    ],
+  },
+  {
+    id: 'mod-5',
+    title: 'Klausur Service (Python) - 85% fertig',
+    description: 'BYOEH Abitur-Klausurkorrektur System',
+    category: 'modules',
+    priority: 'critical',
+    status: 'in_progress',
+    notes: 'Port 8086. 45 Dateien, 20k+ Zeilen. BYOEH, Qdrant RAG, Embedding Service, Legal Corpus.',
+    subtasks: [
+      { id: 'mod-5-1', title: 'BYOEH Upload & Encryption', completed: true },
+      { id: 'mod-5-2', title: 'Key-Sharing zwischen Pruefern', completed: true },
+      { id: 'mod-5-3', title: 'Qdrant RAG Integration', completed: true },
+      { id: 'mod-5-4', title: 'Hybrid Search (Keyword + Semantic)', completed: true },
+      { id: 'mod-5-5', title: 'Embedding Service', completed: true },
+      { id: 'mod-5-6', title: 'Legal Corpus Ingestion', completed: true },
+      { id: 'mod-5-7', title: 'PDF Export', completed: true },
+      { id: 'mod-5-8', title: 'OCR Pipeline (TrOCR, Vision)', completed: true },
+      { id: 'mod-5-9', title: 'Vocab Worksheet API', completed: true },
+      { id: 'mod-5-10', title: 'KI-gestuetzte Korrektur verbessern', completed: false },
+    ],
+  },
+  {
+    id: 'mod-6',
+    title: 'Agent-Core - 80% fertig',
+    description: 'Multi-Agent Architecture Framework',
+    category: 'modules',
+    priority: 'high',
+    status: 'in_progress',
+    notes: 'Neuer Service. Sessions, Shared Brain, Orchestrator, SOUL Files.',
+    subtasks: [
+      { id: 'mod-6-1', title: 'Session Management & Heartbeat', completed: true },
+      { id: 'mod-6-2', title: 'Checkpoint System', completed: true },
+      { id: 'mod-6-3', title: 'Memory Store (mit TTL)', completed: true },
+      { id: 'mod-6-4', title: 'Context Manager', completed: true },
+      { id: 'mod-6-5', title: 'Knowledge Graph', completed: true },
+      { id: 'mod-6-6', title: 'Message Bus (Pub/Sub)', completed: true },
+      { id: 'mod-6-7', title: 'Supervisor & Task Router', completed: true },
+      { id: 'mod-6-8', title: 'SOUL Files (Agent Personalities)', completed: true },
+      { id: 'mod-6-9', title: 'Integration mit Voice Service', completed: false },
+    ],
+  },
+  {
+    id: 'mod-7',
+    title: 'AI Compliance SDK (Go) - 75% fertig',
+    description: 'UCCA Obligations Framework',
+    category: 'modules',
+    priority: 'high',
+    status: 'in_progress',
+    notes: 'Neuer Go Service. AI Act, DSGVO, NIS2 Module. Policy Engine.',
+    subtasks: [
+      { id: 'mod-7-1', title: 'UCCA Obligations Framework', completed: true },
+      { id: 'mod-7-2', title: 'AI Act Module', completed: true },
+      { id: 'mod-7-3', title: 'DSGVO Module', completed: true },
+      { id: 'mod-7-4', title: 'NIS2 Module', completed: true },
+      { id: 'mod-7-5', title: 'Policy Engine', completed: true },
+      { id: 'mod-7-6', title: 'Legal RAG Integration', completed: true },
+      { id: 'mod-7-7', title: 'Audit Trail & Export', completed: true },
+      { id: 'mod-7-8', title: 'Escalation System', completed: false },
+      { id: 'mod-7-9', title: 'Funding/Foerderantrag Wizard', completed: false },
+    ],
+  },
+  {
+    id: 'mod-8',
+    title: 'Geo Service (Python) - 70% fertig',
+    description: 'Geographic Data Service fuer Geo-Lernwelt',
+    category: 'modules',
+    priority: 'medium',
+    status: 'in_progress',
+    notes: 'Neuer Service. AOI Packager, DEM Service, Tile Server.',
+    subtasks: [
+      { id: 'mod-8-1', title: 'AOI Packager', completed: true },
+      { id: 'mod-8-2', title: 'DEM Service', completed: true },
+      { id: 'mod-8-3', title: 'OSM Extractor', completed: true },
+      { id: 'mod-8-4', title: 'Tile Server', completed: true },
+      { id: 'mod-8-5', title: 'Learning Generator', completed: true },
+      { id: 'mod-8-6', title: 'License Checker', completed: true },
+      { id: 'mod-8-7', title: 'Unity Integration', completed: false },
+      { id: 'mod-8-8', title: 'Performance Optimization', completed: false },
+    ],
+  },
+  {
+    id: 'mod-9',
+    title: 'Edu-Search Service (Go) - 65% fertig',
+    description: 'Educational Search mit Policy Engine',
+    category: 'modules',
+    priority: 'medium',
+    status: 'in_progress',
+    notes: 'Policy Handlers, Bundeslaender Policies, PII Detector.',
+    subtasks: [
+      { id: 'mod-9-1', title: 'Policy Enforcer', completed: true },
+      { id: 'mod-9-2', title: 'PII Detector', completed: true },
+      { id: 'mod-9-3', title: 'Bundeslaender Policies', completed: true },
+      { id: 'mod-9-4', title: 'German Universities Data', completed: true },
+      { id: 'mod-9-5', title: 'Search API erweitern', completed: false },
+      { id: 'mod-9-6', title: 'Caching Layer', completed: false },
+    ],
+  },
+
+  // ==================== CI/CD PIPELINES ====================
+  {
+    id: 'cicd-1',
+    title: 'Woodpecker CI Setup',
+    description: 'Self-hosted CI/CD auf Mac Mini',
+    category: 'cicd',
+    priority: 'critical',
+    status: 'completed',
+    notes: 'Implementiert. Woodpecker CI laeuft auf macmini:8082. Pipelines fuer alle Services.',
+    subtasks: [
+      { id: 'cicd-1-1', title: 'Woodpecker Server & Agent installiert', completed: true },
+      { id: 'cicd-1-2', title: 'Gitea Integration', completed: true },
+      { id: 'cicd-1-3', title: 'Docker Build Pipelines', completed: true },
+      { id: 'cicd-1-4', title: 'Test Pipelines (Go, Python, Node)', completed: true },
+    ],
+  },
+  {
+    id: 'cicd-2',
+    title: 'SBOM Generation Pipeline',
+    description: 'Automatische SBOM-Generierung in CI',
+    category: 'cicd',
+    priority: 'high',
+    status: 'completed',
+    notes: 'Implementiert in .gitea/workflows/sbom.yaml',
+    subtasks: [
+      { id: 'cicd-2-1', title: 'CycloneDX SBOM Generation', completed: true },
+      { id: 'cicd-2-2', title: 'Artifact Upload', completed: true },
+      { id: 'cicd-2-3', title: 'SBOM Viewer in Admin', completed: true },
+    ],
+  },
+  {
+    id: 'cicd-3',
+    title: 'Production Deployment Pipeline',
+    description: 'Kontrolliertes Deployment mit Rollback',
+    category: 'cicd',
+    priority: 'critical',
+    status: 'not_started',
+    subtasks: [
+      { id: 'cicd-3-1', title: 'Blue-Green oder Canary Strategy', completed: false },
+      { id: 'cicd-3-2', title: 'Automatischer Rollback', completed: false },
+      { id: 'cicd-3-3', title: 'Health Checks nach Deploy', completed: false },
+      { id: 'cicd-3-4', title: 'Deployment Notifications', completed: false },
+    ],
+  },
+
+  // ==================== SECURITY ====================
+  {
+    id: 'sec-1',
+    title: 'Dependency Vulnerability Scanning',
+    description: 'Automatische Pruefung auf Schwachstellen',
+    category: 'security',
+    priority: 'critical',
+    status: 'completed',
+    notes: 'Dependabot konfiguriert fuer Go, Python, npm, Docker.',
+    subtasks: [
+      { id: 'sec-1-1', title: 'Dependabot fuer Go', completed: true },
+      { id: 'sec-1-2', title: 'Dependabot fuer Python', completed: true },
+      { id: 'sec-1-3', title: 'Dependabot fuer npm', completed: true },
+      { id: 'sec-1-4', title: 'Block Merge bei kritischen CVEs', completed: true },
+    ],
+  },
+  {
+    id: 'sec-2',
+    title: 'Container Image Scanning',
+    description: 'Trivy Scans fuer alle Docker Images',
+    category: 'security',
+    priority: 'high',
+    status: 'completed',
+    notes: 'Trivy in CI integriert.',
+    subtasks: [
+      { id: 'sec-2-1', title: 'Trivy Integration', completed: true },
+      { id: 'sec-2-2', title: 'Base Image Policy', completed: true },
+      { id: 'sec-2-3', title: 'Scan Report bei Build', completed: true },
+    ],
+  },
+  {
+    id: 'sec-3',
+    title: 'SAST (Static Application Security Testing)',
+    description: 'Code-Analyse auf Sicherheitsluecken',
+    category: 'security',
+    priority: 'high',
+    status: 'completed',
+    notes: 'Gosec, Bandit, npm audit in CI.',
+    subtasks: [
+      { id: 'sec-3-1', title: 'Gosec fuer Go', completed: true },
+      { id: 'sec-3-2', title: 'Bandit fuer Python', completed: true },
+      { id: 'sec-3-3', title: 'npm audit', completed: true },
+      { id: 'sec-3-4', title: 'Semgrep Regeln', completed: false },
+    ],
+  },
+  {
+    id: 'sec-4',
+    title: 'Secret Scanning',
+    description: 'Verhindern dass Secrets in Git landen',
+    category: 'security',
+    priority: 'critical',
+    status: 'completed',
+    notes: 'Gitleaks in CI. SSH Keys in .gitignore.',
+    subtasks: [
+      { id: 'sec-4-1', title: 'Gitleaks Pre-commit', completed: true },
+      { id: 'sec-4-2', title: 'SSH Keys in .gitignore', completed: true },
+      { id: 'sec-4-3', title: 'Historische Commits gescannt', completed: true },
+    ],
+  },
+
+  // ==================== TESTING ====================
+  {
+    id: 'test-1',
+    title: 'Backend Test Coverage erweitern',
+    description: 'Integration & E2E Tests fuer Backend APIs',
+    category: 'testing',
+    priority: 'high',
+    status: 'in_progress',
+    notes: '238 Backend-Dateien, davon 20+ Test-Dateien.',
+    subtasks: [
+      { id: 'test-1-1', title: 'Alerts Agent Tests', completed: true },
+      { id: 'test-1-2', title: 'Compliance API Tests', completed: true },
+      { id: 'test-1-3', title: 'Classroom API Tests', completed: true },
+      { id: 'test-1-4', title: 'Session Middleware Tests', completed: true },
+      { id: 'test-1-5', title: 'Load Testing mit k6', completed: false },
+    ],
+  },
+  {
+    id: 'test-2',
+    title: 'Frontend E2E Tests',
+    description: 'Playwright Tests fuer Admin-v2 und Studio-v2',
+    category: 'testing',
+    priority: 'critical',
+    status: 'not_started',
+    notes: 'Kritischer Mangel - keine E2E Tests!',
+    subtasks: [
+      { id: 'test-2-1', title: 'Playwright Setup', completed: false },
+      { id: 'test-2-2', title: 'Admin-v2 Critical Paths', completed: false },
+      { id: 'test-2-3', title: 'Studio-v2 User Flows', completed: false },
+      { id: 'test-2-4', title: 'Visual Regression', completed: false },
+    ],
+  },
+  {
+    id: 'test-3',
+    title: 'Agent-Core Tests',
+    description: 'Unit Tests fuer Multi-Agent Framework',
+    category: 'testing',
+    priority: 'high',
+    status: 'completed',
+    notes: 'Umfangreiche Test-Suite vorhanden.',
+    subtasks: [
+      { id: 'test-3-1', title: 'Session Manager Tests', completed: true },
+      { id: 'test-3-2', title: 'Memory Store Tests', completed: true },
+      { id: 'test-3-3', title: 'Message Bus Tests', completed: true },
+      { id: 'test-3-4', title: 'Task Router Tests', completed: true },
+      { id: 'test-3-5', title: 'Heartbeat Tests', completed: true },
+    ],
+  },
+
+  // ==================== RBAC ====================
+  {
+    id: 'rbac-1',
+    title: 'Gitea Team Permissions',
+    description: 'Team-basierte Zugriffsrechte',
+    category: 'rbac',
+    priority: 'high',
+    status: 'not_started',
+    subtasks: [
+      { id: 'rbac-1-1', title: 'Maintainers Team (Full Access)', completed: false },
+      { id: 'rbac-1-2', title: 'Developers Team (Write)', completed: false },
+      { id: 'rbac-1-3', title: 'Reviewers Team (Read + Review)', completed: false },
+    ],
+  },
+  {
+    id: 'rbac-2',
+    title: 'Admin Panel Access Control',
+    description: 'Rollenbasierte Zugriffsrechte im Admin',
+    category: 'rbac',
+    priority: 'medium',
+    status: 'in_progress',
+    notes: 'RBAC Middleware im Backend implementiert.',
+    subtasks: [
+      { id: 'rbac-2-1', title: 'RBAC Middleware', completed: true },
+      { id: 'rbac-2-2', title: 'Session Store', completed: true },
+      { id: 'rbac-2-3', title: 'Protected Routes', completed: true },
+      { id: 'rbac-2-4', title: 'Admin Authentication UI', completed: false },
+    ],
+  },
+
+  // ==================== GIT ====================
+  {
+    id: 'git-1',
+    title: 'Protected Branches Setup',
+    description: 'Schutz fuer main Branch',
+    category: 'git',
+    priority: 'critical',
+    status: 'not_started',
+    subtasks: [
+      { id: 'git-1-1', title: 'No direct push to main', completed: false },
+      { id: 'git-1-2', title: 'Require PR with Approval', completed: false },
+      { id: 'git-1-3', title: 'Require Status Checks', completed: false },
+    ],
+  },
+  {
+    id: 'git-2',
+    title: 'Alle Dateien committet',
+    description: 'Keine ungetrackten Produktionsdateien',
+    category: 'git',
+    priority: 'critical',
+    status: 'completed',
+    notes: 'Am 2026-02-03 bereinigt: ~870 Dateien, 329k Zeilen committet.',
+    subtasks: [
+      { id: 'git-2-1', title: 'admin-v2 (154 Dateien)', completed: true },
+      { id: 'git-2-2', title: 'studio-v2 (111 Dateien)', completed: true },
+      { id: 'git-2-3', title: 'backend (238 Dateien)', completed: true },
+      { id: 'git-2-4', title: 'website (120 Dateien)', completed: true },
+      { id: 'git-2-5', title: 'klausur-service (45 Dateien)', completed: true },
+      { id: 'git-2-6', title: 'consent-service (15 Dateien)', completed: true },
+      { id: 'git-2-7', title: 'Neue Services (161 Dateien)', completed: true },
+      { id: 'git-2-8', title: '.gitignore aktualisiert', completed: true },
+    ],
+  },
+
+  // ==================== RELEASE ====================
+  {
+    id: 'rel-1',
+    title: 'Semantic Versioning',
+    description: 'Automatische Versionierung nach SemVer',
+    category: 'release',
+    priority: 'high',
+    status: 'not_started',
+    subtasks: [
+      { id: 'rel-1-1', title: 'Conventional Commits', completed: false },
+      { id: 'rel-1-2', title: 'Automatische Git Tags', completed: false },
+      { id: 'rel-1-3', title: 'CHANGELOG Generation', completed: false },
+    ],
+  },
+
+  // ==================== DATA ====================
+  {
+    id: 'data-1',
+    title: 'Database Backup Strategy',
+    description: 'Automatische Backups mit Retention',
+    category: 'data',
+    priority: 'critical',
+    status: 'not_started',
+    subtasks: [
+      { id: 'data-1-1', title: 'Taegliche Backups', completed: false },
+      { id: 'data-1-2', title: 'Point-in-Time Recovery', completed: false },
+      { id: 'data-1-3', title: 'Backup Encryption', completed: false },
+      { id: 'data-1-4', title: 'Restore Test dokumentieren', completed: false },
+    ],
+  },
+  {
+    id: 'data-2',
+    title: 'Customer Data Protection',
+    description: 'Schutz von Stammdaten & Dokumenten',
+    category: 'data',
+    priority: 'critical',
+    status: 'in_progress',
+    subtasks: [
+      { id: 'data-2-1', title: 'Encryption at Rest', completed: true },
+      { id: 'data-2-2', title: 'Audit Log fuer Consent', completed: true },
+      { id: 'data-2-3', title: 'PII Masking in Logs', completed: true },
+      { id: 'data-2-4', title: 'Secure Document Storage', completed: false },
+    ],
+  },
+
+  // ==================== COMPLIANCE ====================
+  {
+    id: 'sbom-1',
+    title: 'SBOM erstellt und dokumentiert',
+    description: 'Software Bill of Materials',
+    category: 'compliance',
+    priority: 'high',
+    status: 'completed',
+    notes: 'Umfassende SBOM in /admin/sbom verfuegbar.',
+    subtasks: [
+      { id: 'sbom-1-1', title: 'Go Dependencies', completed: true },
+      { id: 'sbom-1-2', title: 'Python Dependencies', completed: true },
+      { id: 'sbom-1-3', title: 'npm Dependencies', completed: true },
+      { id: 'sbom-1-4', title: 'Docker Base Images', completed: true },
+      { id: 'sbom-1-5', title: 'CycloneDX Export', completed: true },
+    ],
+  },
+  {
+    id: 'sbom-2',
+    title: 'Lizenz-Compliance',
+    description: 'Alle Lizenzen geprueft',
+    category: 'compliance',
+    priority: 'high',
+    status: 'in_progress',
+    subtasks: [
+      { id: 'sbom-2-1', title: 'Lizenzen identifiziert', completed: true },
+      { id: 'sbom-2-2', title: 'Kompatibilitaet geprueft', completed: false },
+      { id: 'sbom-2-3', title: 'LICENSES.md erstellt', completed: false },
+    ],
+  },
+
+  // ==================== APPROVAL ====================
+  {
+    id: 'appr-1',
+    title: 'Release Approval Gates',
+    description: 'Mehrstufige Freigabe',
+    category: 'approval',
+    priority: 'critical',
+    status: 'not_started',
+    subtasks: [
+      { id: 'appr-1-1', title: 'QA Sign-off', completed: false },
+      { id: 'appr-1-2', title: 'Security Review', completed: false },
+      { id: 'appr-1-3', title: 'Product Owner Freigabe', completed: false },
+    ],
+  },
+  {
+    id: 'appr-2',
+    title: 'Post-Deployment Verification',
+    description: 'Checks nach Deployment',
+    category: 'approval',
+    priority: 'high',
+    status: 'not_started',
+    subtasks: [
+      { id: 'appr-2-1', title: 'Smoke Tests', completed: false },
+      { id: 'appr-2-2', title: 'Error Rate Monitoring', completed: false },
+      { id: 'appr-2-3', title: 'Rollback Kriterien', completed: false },
+    ],
+  },
+]

admin-lehrer/app/(admin)/backlog/categories.tsx

@@ -0,0 +1,111 @@
+import {
+  Package,
+  RefreshCw,
+  Shield,
+  ClipboardCheck,
+  Users,
+  GitBranch,
+  Tag,
+  Database,
+  FileText,
+  CheckSquare,
+} from 'lucide-react'
+import type { BacklogCategory, BacklogItem } from './types'
+
+export const categories: BacklogCategory[] = [
+  {
+    id: 'modules',
+    name: 'Module Progress',
+    icon: <Package className="w-5 h-5" />,
+    color: 'text-violet-700',
+    bgColor: 'bg-violet-100 border-violet-300',
+    description: 'Fertigstellungsgrad aller Services & Module',
+  },
+  {
+    id: 'cicd',
+    name: 'CI/CD Pipelines',
+    icon: <RefreshCw className="w-5 h-5" />,
+    color: 'text-blue-700',
+    bgColor: 'bg-blue-100 border-blue-300',
+    description: 'Build, Test & Deployment Automation',
+  },
+  {
+    id: 'security',
+    name: 'Security & Vulnerability',
+    icon: <Shield className="w-5 h-5" />,
+    color: 'text-red-700',
+    bgColor: 'bg-red-100 border-red-300',
+    description: 'Security Scans, Dependency Checks & Penetration Testing',
+  },
+  {
+    id: 'testing',
+    name: 'Testing & Quality',
+    icon: <ClipboardCheck className="w-5 h-5" />,
+    color: 'text-emerald-700',
+    bgColor: 'bg-emerald-100 border-emerald-300',
+    description: 'Unit Tests, Integration Tests & E2E Testing',
+  },
+  {
+    id: 'rbac',
+    name: 'RBAC & Access Control',
+    icon: <Users className="w-5 h-5" />,
+    color: 'text-purple-700',
+    bgColor: 'bg-purple-100 border-purple-300',
+    description: 'Developer Roles, Permissions & Team Management',
+  },
+  {
+    id: 'git',
+    name: 'Git & Branch Protection',
+    icon: <GitBranch className="w-5 h-5" />,
+    color: 'text-orange-700',
+    bgColor: 'bg-orange-100 border-orange-300',
+    description: 'Protected Branches, Merge Requests & Code Reviews',
+  },
+  {
+    id: 'release',
+    name: 'Release Management',
+    icon: <Tag className="w-5 h-5" />,
+    color: 'text-green-700',
+    bgColor: 'bg-green-100 border-green-300',
+    description: 'Versioning, Changelog & Release Notes',
+  },
+  {
+    id: 'data',
+    name: 'Data Protection',
+    icon: <Database className="w-5 h-5" />,
+    color: 'text-cyan-700',
+    bgColor: 'bg-cyan-100 border-cyan-300',
+    description: 'Backup, Migration & Customer Data Safety',
+  },
+  {
+    id: 'compliance',
+    name: 'Compliance & SBOM',
+    icon: <FileText className="w-5 h-5" />,
+    color: 'text-teal-700',
+    bgColor: 'bg-teal-100 border-teal-300',
+    description: 'SBOM, Lizenzen & Open Source Compliance',
+  },
+  {
+    id: 'approval',
+    name: 'Approval Workflow',
+    icon: <CheckSquare className="w-5 h-5" />,
+    color: 'text-indigo-700',
+    bgColor: 'bg-indigo-100 border-indigo-300',
+    description: 'Developer Approval, QA Sign-off & Release Gates',
+  },
+]
+
+export const statusLabels: Record<BacklogItem['status'], { label: string; color: string }> = {
+  not_started: { label: 'Nicht begonnen', color: 'bg-slate-100 text-slate-600' },
+  in_progress: { label: 'In Arbeit', color: 'bg-blue-100 text-blue-700' },
+  review: { label: 'In Review', color: 'bg-yellow-100 text-yellow-700' },
+  completed: { label: 'Abgeschlossen', color: 'bg-green-100 text-green-700' },
+  blocked: { label: 'Blockiert', color: 'bg-red-100 text-red-700' },
+}
+
+export const priorityLabels: Record<BacklogItem['priority'], { label: string; color: string }> = {
+  critical: { label: 'Kritisch', color: 'bg-red-500 text-white' },
+  high: { label: 'Hoch', color: 'bg-orange-500 text-white' },
+  medium: { label: 'Mittel', color: 'bg-yellow-500 text-white' },
+  low: { label: 'Niedrig', color: 'bg-slate-500 text-white' },
+}

admin-lehrer/app/(admin)/backlog/data.tsx

@@ -0,0 +1,6 @@
+/**
+ * Barrel re-export for backlog data.
+ * Split into categories.tsx (UI definitions + labels) and backlog-items.ts (item data).
+ */
+export { categories, statusLabels, priorityLabels } from './categories'
+export { initialBacklogItems } from './backlog-items'

admin-lehrer/app/(admin)/backlog/types.ts

@@ -0,0 +1,32 @@
+export interface BacklogItem {
+  id: string
+  title: string
+  description: string
+  category: string
+  priority: 'critical' | 'high' | 'medium' | 'low'
+  status: 'not_started' | 'in_progress' | 'review' | 'completed' | 'blocked'
+  assignee?: string
+  dueDate?: string
+  notes?: string
+  subtasks?: { id: string; title: string; completed: boolean }[]
+}
+
+export interface BacklogCategory {
+  id: string
+  name: string
+  icon: React.ReactNode
+  color: string
+  bgColor: string
+  description: string
+}
+
+export interface BacklogProgress {
+  total: number
+  completed: number
+  percentage: number
+}
+
+export interface CategoryProgress {
+  total: number
+  completed: number
+}

admin-lehrer/app/(admin)/backlog/useBacklog.ts

@@ -0,0 +1,128 @@
+'use client'
+
+import { useState, useEffect, useCallback, useMemo } from 'react'
+import type { BacklogItem, BacklogProgress, CategoryProgress } from './types'
+import { initialBacklogItems } from './data'
+
+const STORAGE_KEY = 'backlogItems-v2'
+
+export function useBacklog() {
+  const [items, setItems] = useState<BacklogItem[]>(initialBacklogItems)
+  const [selectedCategory, setSelectedCategory] = useState<string | null>(null)
+  const [selectedPriority, setSelectedPriority] = useState<string | null>(null)
+  const [expandedItems, setExpandedItems] = useState<Set<string>>(new Set())
+  const [searchQuery, setSearchQuery] = useState('')
+
+  // Load saved state from localStorage
+  useEffect(() => {
+    const saved = localStorage.getItem(STORAGE_KEY)
+    if (saved) {
+      try {
+        setItems(JSON.parse(saved))
+      } catch (e) {
+        console.error('Failed to load backlog items:', e)
+      }
+    }
+  }, [])
+
+  // Save state to localStorage
+  useEffect(() => {
+    localStorage.setItem(STORAGE_KEY, JSON.stringify(items))
+  }, [items])
+
+  const filteredItems = useMemo(() => {
+    return items.filter((item) => {
+      if (selectedCategory && item.category !== selectedCategory) return false
+      if (selectedPriority && item.priority !== selectedPriority) return false
+      if (searchQuery) {
+        const query = searchQuery.toLowerCase()
+        return (
+          item.title.toLowerCase().includes(query) ||
+          item.description.toLowerCase().includes(query) ||
+          item.subtasks?.some((st) => st.title.toLowerCase().includes(query))
+        )
+      }
+      return true
+    })
+  }, [items, selectedCategory, selectedPriority, searchQuery])
+
+  const toggleExpand = useCallback((id: string) => {
+    setExpandedItems((prev) => {
+      const next = new Set(prev)
+      if (next.has(id)) {
+        next.delete(id)
+      } else {
+        next.add(id)
+      }
+      return next
+    })
+  }, [])
+
+  const updateItemStatus = useCallback((id: string, status: BacklogItem['status']) => {
+    setItems((prev) => prev.map((item) => (item.id === id ? { ...item, status } : item)))
+  }, [])
+
+  const toggleSubtask = useCallback((itemId: string, subtaskId: string) => {
+    setItems((prev) =>
+      prev.map((item) => {
+        if (item.id !== itemId) return item
+        return {
+          ...item,
+          subtasks: item.subtasks?.map((st) =>
+            st.id === subtaskId ? { ...st, completed: !st.completed } : st
+          ),
+        }
+      })
+    )
+  }, [])
+
+  const progress: BacklogProgress = useMemo(() => {
+    const total = items.length
+    const completed = items.filter((i) => i.status === 'completed').length
+    return { total, completed, percentage: Math.round((completed / total) * 100) }
+  }, [items])
+
+  const getCategoryProgress = useCallback(
+    (categoryId: string): CategoryProgress => {
+      const categoryItems = items.filter((i) => i.category === categoryId)
+      const completed = categoryItems.filter((i) => i.status === 'completed').length
+      return { total: categoryItems.length, completed }
+    },
+    [items]
+  )
+
+  const resetToDefaults = useCallback(() => {
+    if (confirm('Backlog auf Standardwerte zuruecksetzen? Alle lokalen Aenderungen gehen verloren.')) {
+      setItems(initialBacklogItems)
+      localStorage.removeItem(STORAGE_KEY)
+    }
+  }, [])
+
+  const clearFilters = useCallback(() => {
+    setSelectedCategory(null)
+    setSelectedPriority(null)
+    setSearchQuery('')
+  }, [])
+
+  const hasActiveFilters = !!(selectedCategory || selectedPriority || searchQuery)
+
+  return {
+    items,
+    filteredItems,
+    selectedCategory,
+    setSelectedCategory,
+    selectedPriority,
+    setSelectedPriority,
+    expandedItems,
+    searchQuery,
+    setSearchQuery,
+    toggleExpand,
+    updateItemStatus,
+    toggleSubtask,
+    progress,
+    getCategoryProgress,
+    resetToDefaults,
+    clearFilters,
+    hasActiveFilters,
+  }
+}

admin-lehrer/app/(admin)/communication/alerts/_components/AuditTab.tsx

@@ -0,0 +1,103 @@
+'use client'
+
+export function AuditTab() {
+  return (
+    <div className="space-y-6">
+      <h3 className="text-sm font-semibold text-slate-700 uppercase tracking-wide">Audit-relevante Informationen</h3>
+
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+        {/* Database Info */}
+        <div className="bg-white rounded-xl border border-slate-200 p-4">
+          <h4 className="font-semibold text-slate-900 mb-3 flex items-center gap-2">
+            <svg className="w-5 h-5 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 7v10c0 2.21 3.582 4 8 4s8-1.79 8-4V7M4 7c0 2.21 3.582 4 8 4s8-1.79 8-4M4 7c0-2.21 3.582-4 8-4s8 1.79 8 4" />
+            </svg>
+            Datenbank
+          </h4>
+          <div className="space-y-2">
+            <div className="flex items-center justify-between py-2 border-b border-slate-100">
+              <span className="text-sm text-slate-600">Tabellen</span>
+              <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">4 (topics, items, rules, profiles)</span>
+            </div>
+            <div className="flex items-center justify-between py-2 border-b border-slate-100">
+              <span className="text-sm text-slate-600">Indizes</span>
+              <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">URL-Hash, Topic-ID, Status</span>
+            </div>
+            <div className="flex items-center justify-between py-2">
+              <span className="text-sm text-slate-600">Backups</span>
+              <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">PostgreSQL pg_dump</span>
+            </div>
+          </div>
+        </div>
+
+        {/* API Security */}
+        <div className="bg-white rounded-xl border border-slate-200 p-4">
+          <h4 className="font-semibold text-slate-900 mb-3 flex items-center gap-2">
+            <svg className="w-5 h-5 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 15v2m-6 4h12a2 2 0 002-2v-6a2 2 0 00-2-2H6a2 2 0 00-2 2v6a2 2 0 002 2zm10-10V7a4 4 0 00-8 0v4h8z" />
+            </svg>
+            API Sicherheit
+          </h4>
+          <div className="space-y-2">
+            <div className="flex items-center justify-between py-2 border-b border-slate-100">
+              <span className="text-sm text-slate-600">Authentifizierung</span>
+              <span className="text-sm font-medium bg-amber-100 text-amber-800 px-2 py-0.5 rounded">Bearer Token (geplant)</span>
+            </div>
+            <div className="flex items-center justify-between py-2 border-b border-slate-100">
+              <span className="text-sm text-slate-600">Rate Limiting</span>
+              <span className="text-sm font-medium bg-amber-100 text-amber-800 px-2 py-0.5 rounded">Nicht implementiert</span>
+            </div>
+            <div className="flex items-center justify-between py-2">
+              <span className="text-sm text-slate-600">Input Validation</span>
+              <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">Pydantic Models</span>
+            </div>
+          </div>
+        </div>
+
+        {/* Logging */}
+        <div className="bg-white rounded-xl border border-slate-200 p-4">
+          <h4 className="font-semibold text-slate-900 mb-3 flex items-center gap-2">
+            <svg className="w-5 h-5 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 17v-2m3 2v-4m3 4v-6m2 10H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
+            </svg>
+            Logging & Monitoring
+          </h4>
+          <div className="space-y-2">
+            <div className="flex items-center justify-between py-2 border-b border-slate-100">
+              <span className="text-sm text-slate-600">Structured Logging</span>
+              <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">Python logging</span>
+            </div>
+            <div className="flex items-center justify-between py-2 border-b border-slate-100">
+              <span className="text-sm text-slate-600">Metriken</span>
+              <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">Stats Endpoint</span>
+            </div>
+            <div className="flex items-center justify-between py-2">
+              <span className="text-sm text-slate-600">Health Checks</span>
+              <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">/api/alerts/health</span>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      {/* Privacy Notes */}
+      <div className="bg-blue-50 border border-blue-200 rounded-lg p-4">
+        <h4 className="text-sm font-semibold text-blue-800 mb-2">Datenschutz-Hinweise</h4>
+        <ul className="space-y-1">
+          {[
+            'Alle Daten werden in Deutschland gespeichert (PostgreSQL)',
+            'Keine personenbezogenen Daten in Alerts (nur URLs und Snippets)',
+            'LLM-Verarbeitung kann on-premise mit Ollama/vLLM erfolgen',
+            'DSGVO-konforme Datenverarbeitung',
+          ].map((text, i) => (
+            <li key={i} className="text-sm text-blue-700 flex items-start gap-2">
+              <svg className="w-4 h-4 mt-0.5 text-blue-500 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
+              </svg>
+              {text}
+            </li>
+          ))}
+        </ul>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/alerts/_components/DashboardTab.tsx

@@ -0,0 +1,68 @@
+'use client'
+
+import type { AlertItem, Topic } from '../types'
+import { formatTimeAgo, getScoreBadgeClass } from '../useAlertsData'
+
+interface DashboardTabProps {
+  topics: Topic[]
+  alerts: AlertItem[]
+  error: string | null
+}
+
+export function DashboardTab({ topics, alerts, error }: DashboardTabProps) {
+  return (
+    <div className="space-y-6">
+      {/* Quick Actions */}
+      <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
+        <div className="bg-slate-50 rounded-xl p-6">
+          <h3 className="font-semibold text-slate-900 mb-4">Aktive Topics</h3>
+          <div className="space-y-3">
+            {topics.slice(0, 5).map((topic) => (
+              <div key={topic.id} className="flex items-center justify-between p-3 bg-white rounded-lg border border-slate-200">
+                <div>
+                  <div className="font-medium text-slate-900">{topic.name}</div>
+                  <div className="text-xs text-slate-500">{topic.alert_count} Alerts</div>
+                </div>
+                <span className={`px-2 py-1 rounded text-xs font-semibold ${topic.is_active ? 'bg-green-100 text-green-800' : 'bg-slate-100 text-slate-600'}`}>
+                  {topic.is_active ? 'Aktiv' : 'Pausiert'}
+                </span>
+              </div>
+            ))}
+            {topics.length === 0 && (
+              <div className="text-sm text-slate-500 text-center py-4">Keine Topics konfiguriert</div>
+            )}
+          </div>
+        </div>
+
+        <div className="bg-slate-50 rounded-xl p-6">
+          <h3 className="font-semibold text-slate-900 mb-4">Letzte Alerts</h3>
+          <div className="space-y-3">
+            {alerts.slice(0, 5).map((alert) => {
+              const badge = getScoreBadgeClass(alert.relevance_score)
+              return (
+                <div key={alert.id} className="p-3 bg-white rounded-lg border border-slate-200">
+                  <div className="font-medium text-slate-900 text-sm truncate">{alert.title}</div>
+                  <div className="flex items-center gap-2 mt-1">
+                    <span className="text-xs text-slate-500">{alert.topic_name}</span>
+                    {badge && <span className={`px-2 py-0.5 rounded text-xs font-semibold ${badge.cls}`}>{badge.pct}%</span>}
+                  </div>
+                </div>
+              )
+            })}
+            {alerts.length === 0 && (
+              <div className="text-sm text-slate-500 text-center py-4">Keine Alerts vorhanden</div>
+            )}
+          </div>
+        </div>
+      </div>
+
+      {error && (
+        <div className="bg-amber-50 border border-amber-200 rounded-lg p-4">
+          <p className="text-sm text-amber-800">
+            <strong>Hinweis:</strong> API nicht erreichbar. Demo-Daten werden angezeigt.
+          </p>
+        </div>
+      )}
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/alerts/_components/DocumentationTab.tsx

@@ -0,0 +1,214 @@
+'use client'
+
+const ARCHITECTURE_DIAGRAM = `
+┌─────────────────────────────────────────────────────────────────────┐
+│                   BreakPilot Alerts Frontend                         │
+│  ┌──────────────┐  ┌──────────────┐  ┌──────────────┐  ┌──────────┐│
+│  │  Dashboard   │  │    Inbox     │  │   Topics     │  │  Profile ││
+│  └──────────────┘  └──────────────┘  └──────────────┘  └──────────┘│
+└───────────────────────────────┬─────────────────────────────────────┘
+                                │
+                                v
+┌─────────────────────────────────────────────────────────────────────┐
+│                        Ingestion Layer                               │
+│  ┌────────────────┐  ┌────────────────┐  ┌────────────────┐         │
+│  │  RSS Fetcher   │  │  Email Parser  │  │  APScheduler   │         │
+│  └───────┬────────┘  └───────┬────────┘  └───────┬────────┘         │
+│          └───────────────────┼───────────────────┘                  │
+│  ┌──────────────────────────────────────────────────────┐           │
+│  │           Deduplication (URL-Hash + SimHash)          │           │
+│  └──────────────────────────────────────────────────────┘           │
+└─────────────────────────────────────────────────────────────────────┘
+                                │
+                                v
+┌─────────────────────────────────────────────────────────────────────┐
+│                       Processing Layer                               │
+│  ┌──────────────────────────────────────────────────────┐           │
+│  │                    Rule Engine                        │           │
+│  └──────────────────────────────────────────────────────┘           │
+│  ┌──────────────────────────────────────────────────────┐           │
+│  │              LLM Relevance Scorer                     │           │
+│  │   Output: { score, decision: KEEP/DROP/REVIEW }      │           │
+│  └──────────────────────────────────────────────────────┘           │
+└─────────────────────────────────────────────────────────────────────┘
+                                │
+                                v
+┌─────────────────────────────────────────────────────────────────────┐
+│                         Action Layer                                 │
+│  ┌────────────────┐  ┌────────────────┐  ┌────────────────┐         │
+│  │  Email Action  │  │ Webhook Action │  │  Slack Action  │         │
+│  └────────────────┘  └────────────────┘  └────────────────┘         │
+└─────────────────────────────────────────────────────────────────────┘
+                                │
+                                v
+┌─────────────────────────────────────────────────────────────────────┐
+│                        Storage Layer                                 │
+│  ┌────────────────┐  ┌────────────────┐  ┌────────────────┐         │
+│  │   PostgreSQL   │  │     Valkey     │  │   LLM Gateway  │         │
+│  └────────────────┘  └────────────────┘  └────────────────┘         │
+└─────────────────────────────────────────────────────────────────────┘`
+
+const API_ENDPOINTS = [
+  { endpoint: '/api/alerts/inbox', method: 'GET', desc: 'Inbox Items abrufen' },
+  { endpoint: '/api/alerts/ingest', method: 'POST', desc: 'Manuell Alert importieren' },
+  { endpoint: '/api/alerts/topics', method: 'GET/POST', desc: 'Topics verwalten' },
+  { endpoint: '/api/alerts/rules', method: 'GET/POST', desc: 'Regeln verwalten' },
+  { endpoint: '/api/alerts/profile', method: 'GET/PUT', desc: 'Profil abrufen/aktualisieren' },
+  { endpoint: '/api/alerts/stats', method: 'GET', desc: 'Statistiken abrufen' },
+]
+
+const RULE_OPERATORS = [
+  { op: 'contains', desc: 'Text enthaelt', example: 'title contains "Inklusion"' },
+  { op: 'not_contains', desc: 'Text enthaelt nicht', example: 'title not_contains "Werbung"' },
+  { op: 'equals', desc: 'Exakte Uebereinstimmung', example: 'status equals "new"' },
+  { op: 'regex', desc: 'Regulaerer Ausdruck', example: 'title regex "\\d{4}"' },
+  { op: 'gt / lt', desc: 'Groesser/Kleiner', example: 'relevance_score gt 0.8' },
+]
+
+const SCORING_ROWS = [
+  { decision: 'KEEP', range: '0.7 - 1.0', meaning: 'Klar relevant, in Inbox anzeigen', bgCls: 'bg-green-50', textCls: 'text-green-800' },
+  { decision: 'REVIEW', range: '0.4 - 0.7', meaning: 'Unsicher, Nutzer entscheidet', bgCls: 'bg-amber-50', textCls: 'text-amber-800' },
+  { decision: 'DROP', range: '0.0 - 0.4', meaning: 'Irrelevant, automatisch archivieren', bgCls: 'bg-red-50', textCls: 'text-red-800' },
+]
+
+const CONTACTS = [
+  { role: 'Technischer Support', addr: 'support@breakpilot.de' },
+  { role: 'Datenschutzbeauftragter', addr: 'dsb@breakpilot.de' },
+  { role: 'Dokumentation', addr: 'docs.breakpilot.de' },
+]
+
+export function DocumentationTab() {
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 p-6 overflow-auto max-h-[calc(100vh-350px)]">
+      <div className="prose prose-slate max-w-none prose-headings:font-semibold prose-h1:text-2xl prose-h2:text-xl prose-h3:text-lg">
+        {/* Header */}
+        <div className="not-prose mb-8 pb-6 border-b border-slate-200">
+          <h1 className="text-2xl font-bold text-slate-900">BreakPilot Alerts Agent</h1>
+          <p className="text-sm text-slate-500 mt-1">Version: 1.0.0 | Stand: Januar 2026 | Autor: BreakPilot Development Team</p>
+        </div>
+
+        {/* Audit Box */}
+        <div className="not-prose bg-blue-50 border border-blue-200 rounded-lg p-4 mb-6">
+          <h3 className="font-semibold text-blue-900 mb-2">Audit-Relevante Informationen</h3>
+          <p className="text-sm text-blue-800">
+            Dieses Dokument dient als technische Dokumentation fuer das Alert-Monitoring-System der BreakPilot Plattform.
+            Es ist fuer Audits durch Bildungstraeger und Datenschutzbeauftragte konzipiert.
+          </p>
+        </div>
+
+        {/* Ziel des Systems */}
+        <h2>Ziel des Alert-Systems</h2>
+        <p>Das System ermoeglicht automatisierte Ueberwachung von Bildungsthemen mit:</p>
+        <ul>
+          <li><strong>Google Alerts Integration</strong>: RSS-Feeds von Google Alerts automatisch abrufen</li>
+          <li><strong>RSS/Atom Feeds</strong>: Beliebige Nachrichtenquellen einbinden</li>
+          <li><strong>KI-Relevanzpruefung</strong>: Automatische Bewertung der Relevanz durch LLM</li>
+          <li><strong>Regelbasierte Filterung</strong>: Flexible Regeln fuer automatische Sortierung</li>
+          <li><strong>Multi-Channel Actions</strong>: E-Mail, Webhook, Slack Benachrichtigungen</li>
+          <li><strong>Few-Shot Learning</strong>: Profil verbessert sich durch Nutzerfeedback</li>
+        </ul>
+
+        {/* Architecture Diagram */}
+        <h2>Systemarchitektur</h2>
+        <div className="not-prose bg-slate-900 rounded-lg p-4 overflow-x-auto">
+          <pre className="text-green-400 text-xs">{ARCHITECTURE_DIAGRAM}</pre>
+        </div>
+
+        {/* API Endpoints */}
+        <h2>API Endpoints</h2>
+        <div className="not-prose overflow-x-auto">
+          <table className="min-w-full text-sm border border-slate-200 rounded-lg">
+            <thead className="bg-slate-50">
+              <tr>
+                <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Endpoint</th>
+                <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Methode</th>
+                <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Beschreibung</th>
+              </tr>
+            </thead>
+            <tbody className="divide-y divide-slate-200">
+              {API_ENDPOINTS.map((row) => (
+                <tr key={row.endpoint}>
+                  <td className="px-4 py-2 font-mono text-xs">{row.endpoint}</td>
+                  <td className="px-4 py-2">{row.method}</td>
+                  <td className="px-4 py-2 text-slate-600">{row.desc}</td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+
+        {/* Rule Engine */}
+        <h2>Rule Engine - Operatoren</h2>
+        <div className="not-prose overflow-x-auto">
+          <table className="min-w-full text-sm border border-slate-200 rounded-lg">
+            <thead className="bg-slate-50">
+              <tr>
+                <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Operator</th>
+                <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Beschreibung</th>
+                <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Beispiel</th>
+              </tr>
+            </thead>
+            <tbody className="divide-y divide-slate-200">
+              {RULE_OPERATORS.map((row) => (
+                <tr key={row.op}>
+                  <td className="px-4 py-2 font-mono text-xs">{row.op}</td>
+                  <td className="px-4 py-2">{row.desc}</td>
+                  <td className="px-4 py-2 text-slate-600">{row.example}</td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+
+        {/* Scoring */}
+        <h2>LLM Relevanz-Scoring</h2>
+        <div className="not-prose overflow-x-auto">
+          <table className="min-w-full text-sm border border-slate-200 rounded-lg">
+            <thead className="bg-slate-50">
+              <tr>
+                <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Entscheidung</th>
+                <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Score-Bereich</th>
+                <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Bedeutung</th>
+              </tr>
+            </thead>
+            <tbody className="divide-y divide-slate-200">
+              {SCORING_ROWS.map((row) => (
+                <tr key={row.decision} className={row.bgCls}>
+                  <td className={`px-4 py-2 font-semibold ${row.textCls}`}>{row.decision}</td>
+                  <td className="px-4 py-2">{row.range}</td>
+                  <td className="px-4 py-2">{row.meaning}</td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+
+        {/* Contact */}
+        <h2>Kontakt & Support</h2>
+        <div className="not-prose overflow-x-auto">
+          <table className="min-w-full text-sm border border-slate-200 rounded-lg">
+            <thead className="bg-slate-50">
+              <tr>
+                <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Kontakt</th>
+                <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Adresse</th>
+              </tr>
+            </thead>
+            <tbody className="divide-y divide-slate-200">
+              {CONTACTS.map((row) => (
+                <tr key={row.role}>
+                  <td className="px-4 py-2">{row.role}</td>
+                  <td className="px-4 py-2">{row.addr}</td>
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
+
+        {/* Footer */}
+        <div className="not-prose mt-8 pt-6 border-t border-slate-200 text-sm text-slate-500">
+          <p>Dokumentation erstellt: Januar 2026 | Version: 1.0.0</p>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/alerts/_components/InboxTab.tsx

@@ -0,0 +1,82 @@
+'use client'
+
+import type { AlertItem } from '../types'
+import { formatTimeAgo, getScoreBadgeClass, getDecisionBadgeClass } from '../useAlertsData'
+
+interface InboxTabProps {
+  filteredAlerts: AlertItem[]
+  inboxFilter: string
+  setInboxFilter: (filter: string) => void
+}
+
+export function InboxTab({ filteredAlerts, inboxFilter, setInboxFilter }: InboxTabProps) {
+  return (
+    <div className="space-y-4">
+      {/* Filters */}
+      <div className="flex gap-2 flex-wrap">
+        {['all', 'new', 'keep', 'review'].map((filter) => (
+          <button
+            key={filter}
+            onClick={() => setInboxFilter(filter)}
+            className={`px-4 py-2 rounded-full text-sm font-medium transition-colors ${
+              inboxFilter === filter
+                ? 'bg-green-600 text-white'
+                : 'bg-slate-100 text-slate-600 hover:bg-slate-200'
+            }`}
+          >
+            {filter === 'all' && 'Alle'}
+            {filter === 'new' && 'Neu'}
+            {filter === 'keep' && 'Relevant'}
+            {filter === 'review' && 'Pruefung'}
+          </button>
+        ))}
+      </div>
+
+      {/* Alerts Table */}
+      <div className="bg-white rounded-xl border border-slate-200 overflow-hidden">
+        <table className="w-full">
+          <thead className="bg-slate-50 border-b border-slate-200">
+            <tr>
+              <th className="text-left p-4 text-xs font-semibold text-slate-500 uppercase">Alert</th>
+              <th className="text-left p-4 text-xs font-semibold text-slate-500 uppercase">Topic</th>
+              <th className="text-left p-4 text-xs font-semibold text-slate-500 uppercase">Score</th>
+              <th className="text-left p-4 text-xs font-semibold text-slate-500 uppercase">Decision</th>
+              <th className="text-left p-4 text-xs font-semibold text-slate-500 uppercase">Zeit</th>
+            </tr>
+          </thead>
+          <tbody className="divide-y divide-slate-100">
+            {filteredAlerts.map((alert) => {
+              const scoreBadge = getScoreBadgeClass(alert.relevance_score)
+              const decBadge = getDecisionBadgeClass(alert.relevance_decision)
+              return (
+                <tr key={alert.id} className="hover:bg-slate-50">
+                  <td className="p-4">
+                    <a href={alert.url} target="_blank" rel="noopener noreferrer" className="font-medium text-slate-900 hover:text-green-600">
+                      {alert.title}
+                    </a>
+                    <p className="text-sm text-slate-500 truncate max-w-md">{alert.snippet}</p>
+                  </td>
+                  <td className="p-4 text-sm text-slate-600">{alert.topic_name}</td>
+                  <td className="p-4">
+                    {scoreBadge && <span className={`px-2 py-0.5 rounded text-xs font-semibold ${scoreBadge.cls}`}>{scoreBadge.pct}%</span>}
+                  </td>
+                  <td className="p-4">
+                    {decBadge && <span className={`px-2 py-0.5 rounded text-xs font-semibold uppercase ${decBadge.cls}`}>{decBadge.decision}</span>}
+                  </td>
+                  <td className="p-4 text-sm text-slate-500">{formatTimeAgo(alert.fetched_at)}</td>
+                </tr>
+              )
+            })}
+            {filteredAlerts.length === 0 && (
+              <tr>
+                <td colSpan={5} className="p-8 text-center text-slate-500">
+                  Keine Alerts gefunden
+                </td>
+              </tr>
+            )}
+          </tbody>
+        </table>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/alerts/_components/ProfileTab.tsx

@@ -0,0 +1,78 @@
+'use client'
+
+import type { Profile } from '../types'
+
+interface ProfileTabProps {
+  profile: Profile | null
+}
+
+export function ProfileTab({ profile }: ProfileTabProps) {
+  return (
+    <div className="max-w-2xl space-y-6">
+      <div className="bg-white rounded-xl border border-slate-200 p-6">
+        <h3 className="font-semibold text-slate-900 mb-4">Relevanzprofil</h3>
+
+        <div className="space-y-4">
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-2">
+              Prioritaeten (wichtige Themen)
+            </label>
+            <textarea
+              className="w-full p-3 border border-slate-200 rounded-lg text-sm focus:ring-2 focus:ring-green-500 focus:border-green-500"
+              rows={4}
+              defaultValue={profile?.priorities?.join('\n') || ''}
+              placeholder="Ein Thema pro Zeile..."
+            />
+            <p className="text-xs text-slate-500 mt-1">Alerts zu diesen Themen werden hoeher bewertet.</p>
+          </div>
+
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-2">
+              Ausschluesse (unerwuenschte Themen)
+            </label>
+            <textarea
+              className="w-full p-3 border border-slate-200 rounded-lg text-sm focus:ring-2 focus:ring-green-500 focus:border-green-500"
+              rows={4}
+              defaultValue={profile?.exclusions?.join('\n') || ''}
+              placeholder="Ein Thema pro Zeile..."
+            />
+            <p className="text-xs text-slate-500 mt-1">Alerts zu diesen Themen werden niedriger bewertet.</p>
+          </div>
+
+          <div className="grid grid-cols-2 gap-4">
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-2">
+                Schwellenwert KEEP
+              </label>
+              <select
+                className="w-full p-3 border border-slate-200 rounded-lg text-sm focus:ring-2 focus:ring-green-500 focus:border-green-500"
+                defaultValue={profile?.policies?.keep_threshold || 0.7}
+              >
+                <option value={0.8}>80% (sehr streng)</option>
+                <option value={0.7}>70% (empfohlen)</option>
+                <option value={0.6}>60% (weniger streng)</option>
+              </select>
+            </div>
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-2">
+                Schwellenwert DROP
+              </label>
+              <select
+                className="w-full p-3 border border-slate-200 rounded-lg text-sm focus:ring-2 focus:ring-green-500 focus:border-green-500"
+                defaultValue={profile?.policies?.drop_threshold || 0.3}
+              >
+                <option value={0.4}>40% (strenger)</option>
+                <option value={0.3}>30% (empfohlen)</option>
+                <option value={0.2}>20% (lockerer)</option>
+              </select>
+            </div>
+          </div>
+
+          <button className="px-4 py-2 bg-green-600 text-white rounded-lg text-sm font-medium hover:bg-green-700">
+            Profil speichern
+          </button>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/alerts/_components/RulesTab.tsx

@@ -0,0 +1,62 @@
+'use client'
+
+import type { Rule } from '../types'
+
+interface RulesTabProps {
+  rules: Rule[]
+}
+
+export function RulesTab({ rules }: RulesTabProps) {
+  return (
+    <div className="space-y-4">
+      <div className="flex justify-between items-center">
+        <h3 className="font-semibold text-slate-900">Filterregeln</h3>
+        <button className="px-4 py-2 bg-green-600 text-white rounded-lg text-sm font-medium hover:bg-green-700">
+          + Regel erstellen
+        </button>
+      </div>
+
+      <div className="bg-white rounded-xl border border-slate-200 divide-y divide-slate-100">
+        {rules.map((rule) => (
+          <div key={rule.id} className="p-4 flex items-center gap-4">
+            <div className="text-slate-400 cursor-grab">
+              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 6h16M4 12h16M4 18h16" />
+              </svg>
+            </div>
+            <div className="flex-1">
+              <div className="font-medium text-slate-900">{rule.name}</div>
+              <div className="text-sm text-slate-500">
+                Wenn: {rule.conditions[0]?.field} {rule.conditions[0]?.operator} &quot;{rule.conditions[0]?.value}&quot;
+              </div>
+            </div>
+            <span className={`px-3 py-1 rounded text-xs font-semibold uppercase ${
+              rule.action_type === 'keep' ? 'bg-green-100 text-green-800' :
+              rule.action_type === 'drop' ? 'bg-red-100 text-red-800' :
+              rule.action_type === 'email' ? 'bg-blue-100 text-blue-800' :
+              'bg-purple-100 text-purple-800'
+            }`}>
+              {rule.action_type}
+            </span>
+            <div
+              className={`w-12 h-6 rounded-full relative cursor-pointer transition-colors ${
+                rule.is_active ? 'bg-green-500' : 'bg-slate-300'
+              }`}
+            >
+              <div
+                className={`absolute w-5 h-5 bg-white rounded-full top-0.5 transition-all shadow ${
+                  rule.is_active ? 'left-6' : 'left-0.5'
+                }`}
+              />
+            </div>
+          </div>
+        ))}
+        {rules.length === 0 && (
+          <div className="p-8 text-center text-slate-500">
+            Keine Regeln konfiguriert
+          </div>
+        )}
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/alerts/_components/StatsOverview.tsx

@@ -0,0 +1,30 @@
+'use client'
+
+import type { Stats } from '../types'
+
+interface StatsOverviewProps {
+  stats: Stats | null
+}
+
+export function StatsOverview({ stats }: StatsOverviewProps) {
+  return (
+    <div className="grid grid-cols-2 md:grid-cols-4 gap-4 mb-6">
+      <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
+        <div className="text-3xl font-bold text-slate-900">{stats?.total_alerts || 0}</div>
+        <div className="text-sm text-slate-500">Alerts gesamt</div>
+      </div>
+      <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
+        <div className="text-3xl font-bold text-blue-600">{stats?.new_alerts || 0}</div>
+        <div className="text-sm text-slate-500">Neue Alerts</div>
+      </div>
+      <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
+        <div className="text-3xl font-bold text-green-600">{stats?.kept_alerts || 0}</div>
+        <div className="text-sm text-slate-500">Relevant</div>
+      </div>
+      <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
+        <div className="text-3xl font-bold text-amber-600">{stats?.review_alerts || 0}</div>
+        <div className="text-sm text-slate-500">Zur Pruefung</div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/alerts/_components/TopicsTab.tsx

@@ -0,0 +1,54 @@
+'use client'
+
+import type { Topic } from '../types'
+import { formatTimeAgo } from '../useAlertsData'
+
+interface TopicsTabProps {
+  topics: Topic[]
+}
+
+export function TopicsTab({ topics }: TopicsTabProps) {
+  return (
+    <div className="space-y-4">
+      <div className="flex justify-between items-center">
+        <h3 className="font-semibold text-slate-900">Feed Topics</h3>
+        <button className="px-4 py-2 bg-green-600 text-white rounded-lg text-sm font-medium hover:bg-green-700">
+          + Topic hinzufuegen
+        </button>
+      </div>
+
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+        {topics.map((topic) => (
+          <div key={topic.id} className="bg-white rounded-xl border border-slate-200 p-4">
+            <div className="flex justify-between items-start mb-3">
+              <div className="w-10 h-10 bg-green-100 rounded-lg flex items-center justify-center">
+                <svg className="w-5 h-5 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 5c7.18 0 13 5.82 13 13M6 11a7 7 0 017 7m-6 0a1 1 0 11-2 0 1 1 0 012 0z" />
+                </svg>
+              </div>
+              <span className={`px-2 py-1 rounded text-xs font-semibold ${topic.is_active ? 'bg-green-100 text-green-800' : 'bg-slate-100 text-slate-600'}`}>
+                {topic.is_active ? 'Aktiv' : 'Pausiert'}
+              </span>
+            </div>
+            <h4 className="font-semibold text-slate-900">{topic.name}</h4>
+            <p className="text-sm text-slate-500 truncate">{topic.feed_url}</p>
+            <div className="flex justify-between items-center mt-4 pt-4 border-t border-slate-100">
+              <div className="text-sm">
+                <span className="font-semibold text-slate-900">{topic.alert_count}</span>
+                <span className="text-slate-500"> Alerts</span>
+              </div>
+              <div className="text-xs text-slate-500">
+                {formatTimeAgo(topic.last_fetched_at)}
+              </div>
+            </div>
+          </div>
+        ))}
+        {topics.length === 0 && (
+          <div className="col-span-full text-center py-8 text-slate-500">
+            Keine Topics konfiguriert
+          </div>
+        )}
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/alerts/page.tsx

@@ -7,256 +7,22 @@
  * Provides inbox management, topic configuration, rule builder, and relevance profiles
  */
 
-import { useEffect, useState, useCallback } from 'react'
+import { useState } from 'react'
 import { PagePurpose } from '@/components/common/PagePurpose'
+import type { TabId } from './types'
+import { useAlertsData } from './useAlertsData'
+import { StatsOverview } from './_components/StatsOverview'
+import { DashboardTab } from './_components/DashboardTab'
+import { InboxTab } from './_components/InboxTab'
+import { TopicsTab } from './_components/TopicsTab'
+import { RulesTab } from './_components/RulesTab'
+import { ProfileTab } from './_components/ProfileTab'
+import { AuditTab } from './_components/AuditTab'
+import { DocumentationTab } from './_components/DocumentationTab'
 
-// Types
-interface AlertItem {
-  id: string
-  title: string
-  url: string
-  snippet: string
-  topic_name: string
-  relevance_score: number | null
-  relevance_decision: string | null
-  status: string
-  fetched_at: string
-  published_at: string | null
-  matched_rule: string | null
-  tags: string[]
-}
-
-interface Topic {
-  id: string
-  name: string
-  feed_url: string
-  feed_type: string
-  is_active: boolean
-  fetch_interval_minutes: number
-  last_fetched_at: string | null
-  alert_count: number
-}
-
-interface Rule {
-  id: string
-  name: string
-  topic_id: string | null
-  conditions: Array<{
-    field: string
-    operator: string
-    value: string | number
-  }>
-  action_type: string
-  action_config: Record<string, unknown>
-  priority: number
-  is_active: boolean
-}
-
-interface Profile {
-  priorities: string[]
-  exclusions: string[]
-  positive_examples: Array<{ title: string; url: string }>
-  negative_examples: Array<{ title: string; url: string }>
-  policies: {
-    keep_threshold: number
-    drop_threshold: number
-  }
-}
-
-interface Stats {
-  total_alerts: number
-  new_alerts: number
-  kept_alerts: number
-  review_alerts: number
-  dropped_alerts: number
-  total_topics: number
-  active_topics: number
-  total_rules: number
-}
-
-// Tab type
-type TabId = 'dashboard' | 'inbox' | 'topics' | 'rules' | 'profile' | 'audit' | 'documentation'
-
-export default function AlertsPage() {
-  const [activeTab, setActiveTab] = useState<TabId>('dashboard')
-  const [stats, setStats] = useState<Stats | null>(null)
-  const [alerts, setAlerts] = useState<AlertItem[]>([])
-  const [topics, setTopics] = useState<Topic[]>([])
-  const [rules, setRules] = useState<Rule[]>([])
-  const [profile, setProfile] = useState<Profile | null>(null)
-  const [loading, setLoading] = useState(true)
-  const [error, setError] = useState<string | null>(null)
-  const [inboxFilter, setInboxFilter] = useState<string>('all')
-
-  const API_BASE = '/api/alerts'
-
-  const fetchData = useCallback(async () => {
-    try {
-      const [statsRes, alertsRes, topicsRes, rulesRes, profileRes] = await Promise.all([
-        fetch(`${API_BASE}/stats`),
-        fetch(`${API_BASE}/inbox?limit=50`),
-        fetch(`${API_BASE}/topics`),
-        fetch(`${API_BASE}/rules`),
-        fetch(`${API_BASE}/profile`),
-      ])
-
-      if (statsRes.ok) setStats(await statsRes.json())
-      if (alertsRes.ok) {
-        const data = await alertsRes.json()
-        setAlerts(data.items || [])
-      }
-      if (topicsRes.ok) {
-        const data = await topicsRes.json()
-        setTopics(data.topics || data.items || [])
-      }
-      if (rulesRes.ok) {
-        const data = await rulesRes.json()
-        setRules(data.rules || data.items || [])
-      }
-      if (profileRes.ok) setProfile(await profileRes.json())
-
-      setError(null)
-    } catch (err) {
-      setError(err instanceof Error ? err.message : 'Verbindungsfehler')
-      // Set demo data
-      setStats({
-        total_alerts: 147,
-        new_alerts: 23,
-        kept_alerts: 89,
-        review_alerts: 12,
-        dropped_alerts: 23,
-        total_topics: 5,
-        active_topics: 4,
-        total_rules: 8,
-      })
-      setAlerts([
-        {
-          id: 'demo_1',
-          title: 'Neue Studie zur digitalen Bildung an Schulen',
-          url: 'https://example.com/artikel1',
-          snippet: 'Eine aktuelle Studie zeigt, dass digitale Lernmittel den Lernerfolg steigern koennen...',
-          topic_name: 'Digitale Bildung',
-          relevance_score: 0.85,
-          relevance_decision: 'KEEP',
-          status: 'new',
-          fetched_at: new Date().toISOString(),
-          published_at: null,
-          matched_rule: null,
-          tags: ['bildung', 'digital'],
-        },
-        {
-          id: 'demo_2',
-          title: 'Inklusion: Fortbildungen fuer Lehrkraefte',
-          url: 'https://example.com/artikel2',
-          snippet: 'Das Kultusministerium bietet neue Fortbildungsangebote zum Thema Inklusion an...',
-          topic_name: 'Inklusion',
-          relevance_score: 0.72,
-          relevance_decision: 'KEEP',
-          status: 'new',
-          fetched_at: new Date(Date.now() - 3600000).toISOString(),
-          published_at: null,
-          matched_rule: null,
-          tags: ['inklusion'],
-        },
-      ])
-      setTopics([
-        {
-          id: 'topic_1',
-          name: 'Digitale Bildung',
-          feed_url: 'https://google.com/alerts/feeds/123',
-          feed_type: 'rss',
-          is_active: true,
-          fetch_interval_minutes: 60,
-          last_fetched_at: new Date().toISOString(),
-          alert_count: 47,
-        },
-        {
-          id: 'topic_2',
-          name: 'Inklusion',
-          feed_url: 'https://google.com/alerts/feeds/456',
-          feed_type: 'rss',
-          is_active: true,
-          fetch_interval_minutes: 60,
-          last_fetched_at: new Date(Date.now() - 1800000).toISOString(),
-          alert_count: 32,
-        },
-      ])
-      setRules([
-        {
-          id: 'rule_1',
-          name: 'Stellenanzeigen ausschliessen',
-          topic_id: null,
-          conditions: [{ field: 'title', operator: 'contains', value: 'Stellenangebot' }],
-          action_type: 'drop',
-          action_config: {},
-          priority: 10,
-          is_active: true,
-        },
-      ])
-      setProfile({
-        priorities: ['Inklusion', 'digitale Bildung'],
-        exclusions: ['Stellenanzeigen', 'Werbung'],
-        positive_examples: [],
-        negative_examples: [],
-        policies: { keep_threshold: 0.7, drop_threshold: 0.3 },
-      })
-    } finally {
-      setLoading(false)
-    }
-  }, [])
-
-  useEffect(() => {
-    fetchData()
-  }, [fetchData])
-
-  const formatTimeAgo = (dateStr: string | null) => {
-    if (!dateStr) return '-'
-    const date = new Date(dateStr)
-    const now = new Date()
-    const diffMs = now.getTime() - date.getTime()
-    const diffMins = Math.floor(diffMs / 60000)
-
-    if (diffMins < 1) return 'gerade eben'
-    if (diffMins < 60) return `vor ${diffMins} Min.`
-    if (diffMins < 1440) return `vor ${Math.floor(diffMins / 60)} Std.`
-    return `vor ${Math.floor(diffMins / 1440)} Tagen`
-  }
-
-  const getScoreBadge = (score: number | null) => {
-    if (score === null) return null
-    const pct = Math.round(score * 100)
-    let cls = 'bg-slate-100 text-slate-600'
-    if (pct >= 70) cls = 'bg-green-100 text-green-800'
-    else if (pct >= 40) cls = 'bg-amber-100 text-amber-800'
-    else cls = 'bg-red-100 text-red-800'
-    return <span className={`px-2 py-0.5 rounded text-xs font-semibold ${cls}`}>{pct}%</span>
-  }
-
-  const getDecisionBadge = (decision: string | null) => {
-    if (!decision) return null
-    const styles: Record<string, string> = {
-      KEEP: 'bg-green-100 text-green-800',
-      REVIEW: 'bg-amber-100 text-amber-800',
-      DROP: 'bg-red-100 text-red-800',
-    }
-    return (
-      <span className={`px-2 py-0.5 rounded text-xs font-semibold uppercase ${styles[decision] || 'bg-slate-100'}`}>
-        {decision}
-      </span>
-    )
-  }
-
-  const filteredAlerts = alerts.filter((alert) => {
-    if (inboxFilter === 'all') return true
-    if (inboxFilter === 'new') return alert.status === 'new'
-    if (inboxFilter === 'keep') return alert.relevance_decision === 'KEEP'
-    if (inboxFilter === 'review') return alert.relevance_decision === 'REVIEW'
-    return true
-  })
-
-  const tabs: { id: TabId; label: string; badge?: number }[] = [
+const TABS: { id: TabId; label: string; hasBadge?: boolean }[] = [
   { id: 'dashboard', label: 'Dashboard' },
-    { id: 'inbox', label: 'Inbox', badge: stats?.new_alerts || 0 },
+  { id: 'inbox', label: 'Inbox', hasBadge: true },
   { id: 'topics', label: 'Topics' },
   { id: 'rules', label: 'Regeln' },
   { id: 'profile', label: 'Profil' },
@@ -264,7 +30,11 @@ export default function AlertsPage() {
   { id: 'documentation', label: 'Dokumentation' },
 ]
 
-  if (loading) {
+export default function AlertsPage() {
+  const [activeTab, setActiveTab] = useState<TabId>('dashboard')
+  const data = useAlertsData()
+
+  if (data.loading) {
     return (
       <div className="flex items-center justify-center h-64">
         <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-green-600" />
@@ -274,7 +44,6 @@ export default function AlertsPage() {
 
   return (
     <div>
-      {/* Page Purpose */}
       <PagePurpose
         title="Alerts Monitoring"
         purpose="Google Alerts & Feed-Ueberwachung mit KI-gestuetzter Relevanzpruefung. Verwalten Sie Topics, konfigurieren Sie Filterregeln und nutzen Sie LLM-basiertes Scoring fuer automatische Kategorisierung."
@@ -291,31 +60,15 @@ export default function AlertsPage() {
         defaultCollapsed={false}
       />
 
-      {/* Stats Overview */}
-      <div className="grid grid-cols-2 md:grid-cols-4 gap-4 mb-6">
-        <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
-          <div className="text-3xl font-bold text-slate-900">{stats?.total_alerts || 0}</div>
-          <div className="text-sm text-slate-500">Alerts gesamt</div>
-        </div>
-        <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
-          <div className="text-3xl font-bold text-blue-600">{stats?.new_alerts || 0}</div>
-          <div className="text-sm text-slate-500">Neue Alerts</div>
-        </div>
-        <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
-          <div className="text-3xl font-bold text-green-600">{stats?.kept_alerts || 0}</div>
-          <div className="text-sm text-slate-500">Relevant</div>
-        </div>
-        <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
-          <div className="text-3xl font-bold text-amber-600">{stats?.review_alerts || 0}</div>
-          <div className="text-sm text-slate-500">Zur Pruefung</div>
-        </div>
-      </div>
+      <StatsOverview stats={data.stats} />
 
       {/* Tab Navigation */}
       <div className="bg-white rounded-lg shadow mb-6">
         <div className="border-b border-slate-200 px-4">
           <nav className="flex gap-4 overflow-x-auto">
-            {tabs.map((tab) => (
+            {TABS.map((tab) => {
+              const badge = tab.hasBadge ? (data.stats?.new_alerts || 0) : 0
+              return (
                 <button
                   key={tab.id}
                   onClick={() => setActiveTab(tab.id)}
@@ -326,585 +79,33 @@ export default function AlertsPage() {
                   }`}
                 >
                   {tab.label}
-                {tab.badge !== undefined && tab.badge > 0 && (
+                  {badge > 0 && (
                     <span className="px-2 py-0.5 rounded-full text-xs font-semibold bg-red-500 text-white">
-                    {tab.badge}
+                      {badge}
                     </span>
                   )}
                 </button>
-            ))}
+              )
+            })}
           </nav>
         </div>
 
         <div className="p-6">
-          {/* Dashboard Tab */}
           {activeTab === 'dashboard' && (
-            <div className="space-y-6">
-              {/* Quick Actions */}
-              <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
-                <div className="bg-slate-50 rounded-xl p-6">
-                  <h3 className="font-semibold text-slate-900 mb-4">Aktive Topics</h3>
-                  <div className="space-y-3">
-                    {topics.slice(0, 5).map((topic) => (
-                      <div key={topic.id} className="flex items-center justify-between p-3 bg-white rounded-lg border border-slate-200">
-                        <div>
-                          <div className="font-medium text-slate-900">{topic.name}</div>
-                          <div className="text-xs text-slate-500">{topic.alert_count} Alerts</div>
-                        </div>
-                        <span className={`px-2 py-1 rounded text-xs font-semibold ${topic.is_active ? 'bg-green-100 text-green-800' : 'bg-slate-100 text-slate-600'}`}>
-                          {topic.is_active ? 'Aktiv' : 'Pausiert'}
-                        </span>
-                      </div>
-                    ))}
-                    {topics.length === 0 && (
-                      <div className="text-sm text-slate-500 text-center py-4">Keine Topics konfiguriert</div>
+            <DashboardTab topics={data.topics} alerts={data.alerts} error={data.error} />
           )}
-                  </div>
-                </div>
-
-                <div className="bg-slate-50 rounded-xl p-6">
-                  <h3 className="font-semibold text-slate-900 mb-4">Letzte Alerts</h3>
-                  <div className="space-y-3">
-                    {alerts.slice(0, 5).map((alert) => (
-                      <div key={alert.id} className="p-3 bg-white rounded-lg border border-slate-200">
-                        <div className="font-medium text-slate-900 text-sm truncate">{alert.title}</div>
-                        <div className="flex items-center gap-2 mt-1">
-                          <span className="text-xs text-slate-500">{alert.topic_name}</span>
-                          {getScoreBadge(alert.relevance_score)}
-                        </div>
-                      </div>
-                    ))}
-                    {alerts.length === 0 && (
-                      <div className="text-sm text-slate-500 text-center py-4">Keine Alerts vorhanden</div>
-                    )}
-                  </div>
-                </div>
-              </div>
-
-              {error && (
-                <div className="bg-amber-50 border border-amber-200 rounded-lg p-4">
-                  <p className="text-sm text-amber-800">
-                    <strong>Hinweis:</strong> API nicht erreichbar. Demo-Daten werden angezeigt.
-                  </p>
-                </div>
-              )}
-            </div>
-          )}
-
-          {/* Inbox Tab */}
           {activeTab === 'inbox' && (
-            <div className="space-y-4">
-              {/* Filters */}
-              <div className="flex gap-2 flex-wrap">
-                {['all', 'new', 'keep', 'review'].map((filter) => (
-                  <button
-                    key={filter}
-                    onClick={() => setInboxFilter(filter)}
-                    className={`px-4 py-2 rounded-full text-sm font-medium transition-colors ${
-                      inboxFilter === filter
-                        ? 'bg-green-600 text-white'
-                        : 'bg-slate-100 text-slate-600 hover:bg-slate-200'
-                    }`}
-                  >
-                    {filter === 'all' && 'Alle'}
-                    {filter === 'new' && 'Neu'}
-                    {filter === 'keep' && 'Relevant'}
-                    {filter === 'review' && 'Pruefung'}
-                  </button>
-                ))}
-              </div>
-
-              {/* Alerts Table */}
-              <div className="bg-white rounded-xl border border-slate-200 overflow-hidden">
-                <table className="w-full">
-                  <thead className="bg-slate-50 border-b border-slate-200">
-                    <tr>
-                      <th className="text-left p-4 text-xs font-semibold text-slate-500 uppercase">Alert</th>
-                      <th className="text-left p-4 text-xs font-semibold text-slate-500 uppercase">Topic</th>
-                      <th className="text-left p-4 text-xs font-semibold text-slate-500 uppercase">Score</th>
-                      <th className="text-left p-4 text-xs font-semibold text-slate-500 uppercase">Decision</th>
-                      <th className="text-left p-4 text-xs font-semibold text-slate-500 uppercase">Zeit</th>
-                    </tr>
-                  </thead>
-                  <tbody className="divide-y divide-slate-100">
-                    {filteredAlerts.map((alert) => (
-                      <tr key={alert.id} className="hover:bg-slate-50">
-                        <td className="p-4">
-                          <a href={alert.url} target="_blank" rel="noopener noreferrer" className="font-medium text-slate-900 hover:text-green-600">
-                            {alert.title}
-                          </a>
-                          <p className="text-sm text-slate-500 truncate max-w-md">{alert.snippet}</p>
-                        </td>
-                        <td className="p-4 text-sm text-slate-600">{alert.topic_name}</td>
-                        <td className="p-4">{getScoreBadge(alert.relevance_score)}</td>
-                        <td className="p-4">{getDecisionBadge(alert.relevance_decision)}</td>
-                        <td className="p-4 text-sm text-slate-500">{formatTimeAgo(alert.fetched_at)}</td>
-                      </tr>
-                    ))}
-                    {filteredAlerts.length === 0 && (
-                      <tr>
-                        <td colSpan={5} className="p-8 text-center text-slate-500">
-                          Keine Alerts gefunden
-                        </td>
-                      </tr>
-                    )}
-                  </tbody>
-                </table>
-              </div>
-            </div>
-          )}
-
-          {/* Topics Tab */}
-          {activeTab === 'topics' && (
-            <div className="space-y-4">
-              <div className="flex justify-between items-center">
-                <h3 className="font-semibold text-slate-900">Feed Topics</h3>
-                <button className="px-4 py-2 bg-green-600 text-white rounded-lg text-sm font-medium hover:bg-green-700">
-                  + Topic hinzufuegen
-                </button>
-              </div>
-
-              <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
-                {topics.map((topic) => (
-                  <div key={topic.id} className="bg-white rounded-xl border border-slate-200 p-4">
-                    <div className="flex justify-between items-start mb-3">
-                      <div className="w-10 h-10 bg-green-100 rounded-lg flex items-center justify-center">
-                        <svg className="w-5 h-5 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 5c7.18 0 13 5.82 13 13M6 11a7 7 0 017 7m-6 0a1 1 0 11-2 0 1 1 0 012 0z" />
-                        </svg>
-                      </div>
-                      <span className={`px-2 py-1 rounded text-xs font-semibold ${topic.is_active ? 'bg-green-100 text-green-800' : 'bg-slate-100 text-slate-600'}`}>
-                        {topic.is_active ? 'Aktiv' : 'Pausiert'}
-                      </span>
-                    </div>
-                    <h4 className="font-semibold text-slate-900">{topic.name}</h4>
-                    <p className="text-sm text-slate-500 truncate">{topic.feed_url}</p>
-                    <div className="flex justify-between items-center mt-4 pt-4 border-t border-slate-100">
-                      <div className="text-sm">
-                        <span className="font-semibold text-slate-900">{topic.alert_count}</span>
-                        <span className="text-slate-500"> Alerts</span>
-                      </div>
-                      <div className="text-xs text-slate-500">
-                        {formatTimeAgo(topic.last_fetched_at)}
-                      </div>
-                    </div>
-                  </div>
-                ))}
-                {topics.length === 0 && (
-                  <div className="col-span-full text-center py-8 text-slate-500">
-                    Keine Topics konfiguriert
-                  </div>
-                )}
-              </div>
-            </div>
-          )}
-
-          {/* Rules Tab */}
-          {activeTab === 'rules' && (
-            <div className="space-y-4">
-              <div className="flex justify-between items-center">
-                <h3 className="font-semibold text-slate-900">Filterregeln</h3>
-                <button className="px-4 py-2 bg-green-600 text-white rounded-lg text-sm font-medium hover:bg-green-700">
-                  + Regel erstellen
-                </button>
-              </div>
-
-              <div className="bg-white rounded-xl border border-slate-200 divide-y divide-slate-100">
-                {rules.map((rule) => (
-                  <div key={rule.id} className="p-4 flex items-center gap-4">
-                    <div className="text-slate-400 cursor-grab">
-                      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 6h16M4 12h16M4 18h16" />
-                      </svg>
-                    </div>
-                    <div className="flex-1">
-                      <div className="font-medium text-slate-900">{rule.name}</div>
-                      <div className="text-sm text-slate-500">
-                        Wenn: {rule.conditions[0]?.field} {rule.conditions[0]?.operator} &quot;{rule.conditions[0]?.value}&quot;
-                      </div>
-                    </div>
-                    <span className={`px-3 py-1 rounded text-xs font-semibold uppercase ${
-                      rule.action_type === 'keep' ? 'bg-green-100 text-green-800' :
-                      rule.action_type === 'drop' ? 'bg-red-100 text-red-800' :
-                      rule.action_type === 'email' ? 'bg-blue-100 text-blue-800' :
-                      'bg-purple-100 text-purple-800'
-                    }`}>
-                      {rule.action_type}
-                    </span>
-                    <div
-                      className={`w-12 h-6 rounded-full relative cursor-pointer transition-colors ${
-                        rule.is_active ? 'bg-green-500' : 'bg-slate-300'
-                      }`}
-                    >
-                      <div
-                        className={`absolute w-5 h-5 bg-white rounded-full top-0.5 transition-all shadow ${
-                          rule.is_active ? 'left-6' : 'left-0.5'
-                        }`}
+            <InboxTab
+              filteredAlerts={data.filteredAlerts}
+              inboxFilter={data.inboxFilter}
+              setInboxFilter={data.setInboxFilter}
             />
-                    </div>
-                  </div>
-                ))}
-                {rules.length === 0 && (
-                  <div className="p-8 text-center text-slate-500">
-                    Keine Regeln konfiguriert
-                  </div>
-                )}
-              </div>
-            </div>
-          )}
-
-          {/* Profile Tab */}
-          {activeTab === 'profile' && (
-            <div className="max-w-2xl space-y-6">
-              <div className="bg-white rounded-xl border border-slate-200 p-6">
-                <h3 className="font-semibold text-slate-900 mb-4">Relevanzprofil</h3>
-
-                <div className="space-y-4">
-                  <div>
-                    <label className="block text-sm font-medium text-slate-700 mb-2">
-                      Prioritaeten (wichtige Themen)
-                    </label>
-                    <textarea
-                      className="w-full p-3 border border-slate-200 rounded-lg text-sm focus:ring-2 focus:ring-green-500 focus:border-green-500"
-                      rows={4}
-                      defaultValue={profile?.priorities?.join('\n') || ''}
-                      placeholder="Ein Thema pro Zeile..."
-                    />
-                    <p className="text-xs text-slate-500 mt-1">Alerts zu diesen Themen werden hoeher bewertet.</p>
-                  </div>
-
-                  <div>
-                    <label className="block text-sm font-medium text-slate-700 mb-2">
-                      Ausschluesse (unerwuenschte Themen)
-                    </label>
-                    <textarea
-                      className="w-full p-3 border border-slate-200 rounded-lg text-sm focus:ring-2 focus:ring-green-500 focus:border-green-500"
-                      rows={4}
-                      defaultValue={profile?.exclusions?.join('\n') || ''}
-                      placeholder="Ein Thema pro Zeile..."
-                    />
-                    <p className="text-xs text-slate-500 mt-1">Alerts zu diesen Themen werden niedriger bewertet.</p>
-                  </div>
-
-                  <div className="grid grid-cols-2 gap-4">
-                    <div>
-                      <label className="block text-sm font-medium text-slate-700 mb-2">
-                        Schwellenwert KEEP
-                      </label>
-                      <select
-                        className="w-full p-3 border border-slate-200 rounded-lg text-sm focus:ring-2 focus:ring-green-500 focus:border-green-500"
-                        defaultValue={profile?.policies?.keep_threshold || 0.7}
-                      >
-                        <option value={0.8}>80% (sehr streng)</option>
-                        <option value={0.7}>70% (empfohlen)</option>
-                        <option value={0.6}>60% (weniger streng)</option>
-                      </select>
-                    </div>
-                    <div>
-                      <label className="block text-sm font-medium text-slate-700 mb-2">
-                        Schwellenwert DROP
-                      </label>
-                      <select
-                        className="w-full p-3 border border-slate-200 rounded-lg text-sm focus:ring-2 focus:ring-green-500 focus:border-green-500"
-                        defaultValue={profile?.policies?.drop_threshold || 0.3}
-                      >
-                        <option value={0.4}>40% (strenger)</option>
-                        <option value={0.3}>30% (empfohlen)</option>
-                        <option value={0.2}>20% (lockerer)</option>
-                      </select>
-                    </div>
-                  </div>
-
-                  <button className="px-4 py-2 bg-green-600 text-white rounded-lg text-sm font-medium hover:bg-green-700">
-                    Profil speichern
-                  </button>
-                </div>
-              </div>
-            </div>
-          )}
-
-          {/* Audit Tab */}
-          {activeTab === 'audit' && (
-            <div className="space-y-6">
-              <h3 className="text-sm font-semibold text-slate-700 uppercase tracking-wide">Audit-relevante Informationen</h3>
-
-              <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
-                {/* Database Info */}
-                <div className="bg-white rounded-xl border border-slate-200 p-4">
-                  <h4 className="font-semibold text-slate-900 mb-3 flex items-center gap-2">
-                    <svg className="w-5 h-5 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M4 7v10c0 2.21 3.582 4 8 4s8-1.79 8-4V7M4 7c0 2.21 3.582 4 8 4s8-1.79 8-4M4 7c0-2.21 3.582-4 8-4s8 1.79 8 4" />
-                    </svg>
-                    Datenbank
-                  </h4>
-                  <div className="space-y-2">
-                    <div className="flex items-center justify-between py-2 border-b border-slate-100">
-                      <span className="text-sm text-slate-600">Tabellen</span>
-                      <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">4 (topics, items, rules, profiles)</span>
-                    </div>
-                    <div className="flex items-center justify-between py-2 border-b border-slate-100">
-                      <span className="text-sm text-slate-600">Indizes</span>
-                      <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">URL-Hash, Topic-ID, Status</span>
-                    </div>
-                    <div className="flex items-center justify-between py-2">
-                      <span className="text-sm text-slate-600">Backups</span>
-                      <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">PostgreSQL pg_dump</span>
-                    </div>
-                  </div>
-                </div>
-
-                {/* API Security */}
-                <div className="bg-white rounded-xl border border-slate-200 p-4">
-                  <h4 className="font-semibold text-slate-900 mb-3 flex items-center gap-2">
-                    <svg className="w-5 h-5 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 15v2m-6 4h12a2 2 0 002-2v-6a2 2 0 00-2-2H6a2 2 0 00-2 2v6a2 2 0 002 2zm10-10V7a4 4 0 00-8 0v4h8z" />
-                    </svg>
-                    API Sicherheit
-                  </h4>
-                  <div className="space-y-2">
-                    <div className="flex items-center justify-between py-2 border-b border-slate-100">
-                      <span className="text-sm text-slate-600">Authentifizierung</span>
-                      <span className="text-sm font-medium bg-amber-100 text-amber-800 px-2 py-0.5 rounded">Bearer Token (geplant)</span>
-                    </div>
-                    <div className="flex items-center justify-between py-2 border-b border-slate-100">
-                      <span className="text-sm text-slate-600">Rate Limiting</span>
-                      <span className="text-sm font-medium bg-amber-100 text-amber-800 px-2 py-0.5 rounded">Nicht implementiert</span>
-                    </div>
-                    <div className="flex items-center justify-between py-2">
-                      <span className="text-sm text-slate-600">Input Validation</span>
-                      <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">Pydantic Models</span>
-                    </div>
-                  </div>
-                </div>
-
-                {/* Logging */}
-                <div className="bg-white rounded-xl border border-slate-200 p-4">
-                  <h4 className="font-semibold text-slate-900 mb-3 flex items-center gap-2">
-                    <svg className="w-5 h-5 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 17v-2m3 2v-4m3 4v-6m2 10H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
-                    </svg>
-                    Logging & Monitoring
-                  </h4>
-                  <div className="space-y-2">
-                    <div className="flex items-center justify-between py-2 border-b border-slate-100">
-                      <span className="text-sm text-slate-600">Structured Logging</span>
-                      <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">Python logging</span>
-                    </div>
-                    <div className="flex items-center justify-between py-2 border-b border-slate-100">
-                      <span className="text-sm text-slate-600">Metriken</span>
-                      <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">Stats Endpoint</span>
-                    </div>
-                    <div className="flex items-center justify-between py-2">
-                      <span className="text-sm text-slate-600">Health Checks</span>
-                      <span className="text-sm font-medium bg-green-100 text-green-800 px-2 py-0.5 rounded">/api/alerts/health</span>
-                    </div>
-                  </div>
-                </div>
-              </div>
-
-              {/* Privacy Notes */}
-              <div className="bg-blue-50 border border-blue-200 rounded-lg p-4">
-                <h4 className="text-sm font-semibold text-blue-800 mb-2">Datenschutz-Hinweise</h4>
-                <ul className="space-y-1">
-                  <li className="text-sm text-blue-700 flex items-start gap-2">
-                    <svg className="w-4 h-4 mt-0.5 text-blue-500 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
-                    </svg>
-                    Alle Daten werden in Deutschland gespeichert (PostgreSQL)
-                  </li>
-                  <li className="text-sm text-blue-700 flex items-start gap-2">
-                    <svg className="w-4 h-4 mt-0.5 text-blue-500 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
-                    </svg>
-                    Keine personenbezogenen Daten in Alerts (nur URLs und Snippets)
-                  </li>
-                  <li className="text-sm text-blue-700 flex items-start gap-2">
-                    <svg className="w-4 h-4 mt-0.5 text-blue-500 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
-                    </svg>
-                    LLM-Verarbeitung kann on-premise mit Ollama/vLLM erfolgen
-                  </li>
-                  <li className="text-sm text-blue-700 flex items-start gap-2">
-                    <svg className="w-4 h-4 mt-0.5 text-blue-500 flex-shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
-                    </svg>
-                    DSGVO-konforme Datenverarbeitung
-                  </li>
-                </ul>
-              </div>
-            </div>
-          )}
-
-          {/* Documentation Tab */}
-          {activeTab === 'documentation' && (
-            <div className="bg-white rounded-xl border border-slate-200 p-6 overflow-auto max-h-[calc(100vh-350px)]">
-              <div className="prose prose-slate max-w-none prose-headings:font-semibold prose-h1:text-2xl prose-h2:text-xl prose-h3:text-lg">
-                {/* Header */}
-                <div className="not-prose mb-8 pb-6 border-b border-slate-200">
-                  <h1 className="text-2xl font-bold text-slate-900">BreakPilot Alerts Agent</h1>
-                  <p className="text-sm text-slate-500 mt-1">Version: 1.0.0 | Stand: Januar 2026 | Autor: BreakPilot Development Team</p>
-                </div>
-
-                {/* Audit Box */}
-                <div className="not-prose bg-blue-50 border border-blue-200 rounded-lg p-4 mb-6">
-                  <h3 className="font-semibold text-blue-900 mb-2">Audit-Relevante Informationen</h3>
-                  <p className="text-sm text-blue-800">
-                    Dieses Dokument dient als technische Dokumentation fuer das Alert-Monitoring-System der BreakPilot Plattform.
-                    Es ist fuer Audits durch Bildungstraeger und Datenschutzbeauftragte konzipiert.
-                  </p>
-                </div>
-
-                {/* Ziel des Systems */}
-                <h2>Ziel des Alert-Systems</h2>
-                <p>Das System ermoeglicht automatisierte Ueberwachung von Bildungsthemen mit:</p>
-                <ul>
-                  <li><strong>Google Alerts Integration</strong>: RSS-Feeds von Google Alerts automatisch abrufen</li>
-                  <li><strong>RSS/Atom Feeds</strong>: Beliebige Nachrichtenquellen einbinden</li>
-                  <li><strong>KI-Relevanzpruefung</strong>: Automatische Bewertung der Relevanz durch LLM</li>
-                  <li><strong>Regelbasierte Filterung</strong>: Flexible Regeln fuer automatische Sortierung</li>
-                  <li><strong>Multi-Channel Actions</strong>: E-Mail, Webhook, Slack Benachrichtigungen</li>
-                  <li><strong>Few-Shot Learning</strong>: Profil verbessert sich durch Nutzerfeedback</li>
-                </ul>
-
-                {/* Architecture Diagram */}
-                <h2>Systemarchitektur</h2>
-                <div className="not-prose bg-slate-900 rounded-lg p-4 overflow-x-auto">
-                  <pre className="text-green-400 text-xs">{`
-┌─────────────────────────────────────────────────────────────────────┐
-│                   BreakPilot Alerts Frontend                         │
-│  ┌──────────────┐  ┌──────────────┐  ┌──────────────┐  ┌──────────┐│
-│  │  Dashboard   │  │    Inbox     │  │   Topics     │  │  Profile ││
-│  └──────────────┘  └──────────────┘  └──────────────┘  └──────────┘│
-└───────────────────────────────┬─────────────────────────────────────┘
-                                │
-                                v
-┌─────────────────────────────────────────────────────────────────────┐
-│                        Ingestion Layer                               │
-│  ┌────────────────┐  ┌────────────────┐  ┌────────────────┐         │
-│  │  RSS Fetcher   │  │  Email Parser  │  │  APScheduler   │         │
-│  └───────┬────────┘  └───────┬────────┘  └───────┬────────┘         │
-│          └───────────────────┼───────────────────┘                  │
-│  ┌──────────────────────────────────────────────────────┐           │
-│  │           Deduplication (URL-Hash + SimHash)          │           │
-│  └──────────────────────────────────────────────────────┘           │
-└─────────────────────────────────────────────────────────────────────┘
-                                │
-                                v
-┌─────────────────────────────────────────────────────────────────────┐
-│                       Processing Layer                               │
-│  ┌──────────────────────────────────────────────────────┐           │
-│  │                    Rule Engine                        │           │
-│  └──────────────────────────────────────────────────────┘           │
-│  ┌──────────────────────────────────────────────────────┐           │
-│  │              LLM Relevance Scorer                     │           │
-│  │   Output: { score, decision: KEEP/DROP/REVIEW }      │           │
-│  └──────────────────────────────────────────────────────┘           │
-└─────────────────────────────────────────────────────────────────────┘
-                                │
-                                v
-┌─────────────────────────────────────────────────────────────────────┐
-│                         Action Layer                                 │
-│  ┌────────────────┐  ┌────────────────┐  ┌────────────────┐         │
-│  │  Email Action  │  │ Webhook Action │  │  Slack Action  │         │
-│  └────────────────┘  └────────────────┘  └────────────────┘         │
-└─────────────────────────────────────────────────────────────────────┘
-                                │
-                                v
-┌─────────────────────────────────────────────────────────────────────┐
-│                        Storage Layer                                 │
-│  ┌────────────────┐  ┌────────────────┐  ┌────────────────┐         │
-│  │   PostgreSQL   │  │     Valkey     │  │   LLM Gateway  │         │
-│  └────────────────┘  └────────────────┘  └────────────────┘         │
-└─────────────────────────────────────────────────────────────────────┘`}</pre>
-                </div>
-
-                {/* API Endpoints */}
-                <h2>API Endpoints</h2>
-                <div className="not-prose overflow-x-auto">
-                  <table className="min-w-full text-sm border border-slate-200 rounded-lg">
-                    <thead className="bg-slate-50">
-                      <tr>
-                        <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Endpoint</th>
-                        <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Methode</th>
-                        <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Beschreibung</th>
-                      </tr>
-                    </thead>
-                    <tbody className="divide-y divide-slate-200">
-                      <tr><td className="px-4 py-2 font-mono text-xs">/api/alerts/inbox</td><td className="px-4 py-2">GET</td><td className="px-4 py-2 text-slate-600">Inbox Items abrufen</td></tr>
-                      <tr><td className="px-4 py-2 font-mono text-xs">/api/alerts/ingest</td><td className="px-4 py-2">POST</td><td className="px-4 py-2 text-slate-600">Manuell Alert importieren</td></tr>
-                      <tr><td className="px-4 py-2 font-mono text-xs">/api/alerts/topics</td><td className="px-4 py-2">GET/POST</td><td className="px-4 py-2 text-slate-600">Topics verwalten</td></tr>
-                      <tr><td className="px-4 py-2 font-mono text-xs">/api/alerts/rules</td><td className="px-4 py-2">GET/POST</td><td className="px-4 py-2 text-slate-600">Regeln verwalten</td></tr>
-                      <tr><td className="px-4 py-2 font-mono text-xs">/api/alerts/profile</td><td className="px-4 py-2">GET/PUT</td><td className="px-4 py-2 text-slate-600">Profil abrufen/aktualisieren</td></tr>
-                      <tr><td className="px-4 py-2 font-mono text-xs">/api/alerts/stats</td><td className="px-4 py-2">GET</td><td className="px-4 py-2 text-slate-600">Statistiken abrufen</td></tr>
-                    </tbody>
-                  </table>
-                </div>
-
-                {/* Rule Engine */}
-                <h2>Rule Engine - Operatoren</h2>
-                <div className="not-prose overflow-x-auto">
-                  <table className="min-w-full text-sm border border-slate-200 rounded-lg">
-                    <thead className="bg-slate-50">
-                      <tr>
-                        <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Operator</th>
-                        <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Beschreibung</th>
-                        <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Beispiel</th>
-                      </tr>
-                    </thead>
-                    <tbody className="divide-y divide-slate-200">
-                      <tr><td className="px-4 py-2 font-mono text-xs">contains</td><td className="px-4 py-2">Text enthaelt</td><td className="px-4 py-2 text-slate-600">title contains &quot;Inklusion&quot;</td></tr>
-                      <tr><td className="px-4 py-2 font-mono text-xs">not_contains</td><td className="px-4 py-2">Text enthaelt nicht</td><td className="px-4 py-2 text-slate-600">title not_contains &quot;Werbung&quot;</td></tr>
-                      <tr><td className="px-4 py-2 font-mono text-xs">equals</td><td className="px-4 py-2">Exakte Uebereinstimmung</td><td className="px-4 py-2 text-slate-600">status equals &quot;new&quot;</td></tr>
-                      <tr><td className="px-4 py-2 font-mono text-xs">regex</td><td className="px-4 py-2">Regulaerer Ausdruck</td><td className="px-4 py-2 text-slate-600">title regex &quot;\d&#123;4&#125;&quot;</td></tr>
-                      <tr><td className="px-4 py-2 font-mono text-xs">gt / lt</td><td className="px-4 py-2">Groesser/Kleiner</td><td className="px-4 py-2 text-slate-600">relevance_score gt 0.8</td></tr>
-                    </tbody>
-                  </table>
-                </div>
-
-                {/* Scoring */}
-                <h2>LLM Relevanz-Scoring</h2>
-                <div className="not-prose overflow-x-auto">
-                  <table className="min-w-full text-sm border border-slate-200 rounded-lg">
-                    <thead className="bg-slate-50">
-                      <tr>
-                        <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Entscheidung</th>
-                        <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Score-Bereich</th>
-                        <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Bedeutung</th>
-                      </tr>
-                    </thead>
-                    <tbody className="divide-y divide-slate-200">
-                      <tr className="bg-green-50"><td className="px-4 py-2 font-semibold text-green-800">KEEP</td><td className="px-4 py-2">0.7 - 1.0</td><td className="px-4 py-2">Klar relevant, in Inbox anzeigen</td></tr>
-                      <tr className="bg-amber-50"><td className="px-4 py-2 font-semibold text-amber-800">REVIEW</td><td className="px-4 py-2">0.4 - 0.7</td><td className="px-4 py-2">Unsicher, Nutzer entscheidet</td></tr>
-                      <tr className="bg-red-50"><td className="px-4 py-2 font-semibold text-red-800">DROP</td><td className="px-4 py-2">0.0 - 0.4</td><td className="px-4 py-2">Irrelevant, automatisch archivieren</td></tr>
-                    </tbody>
-                  </table>
-                </div>
-
-                {/* Contact */}
-                <h2>Kontakt & Support</h2>
-                <div className="not-prose overflow-x-auto">
-                  <table className="min-w-full text-sm border border-slate-200 rounded-lg">
-                    <thead className="bg-slate-50">
-                      <tr>
-                        <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Kontakt</th>
-                        <th className="px-4 py-2 text-left font-semibold text-slate-700 border-b">Adresse</th>
-                      </tr>
-                    </thead>
-                    <tbody className="divide-y divide-slate-200">
-                      <tr><td className="px-4 py-2">Technischer Support</td><td className="px-4 py-2">support@breakpilot.de</td></tr>
-                      <tr><td className="px-4 py-2">Datenschutzbeauftragter</td><td className="px-4 py-2">dsb@breakpilot.de</td></tr>
-                      <tr><td className="px-4 py-2">Dokumentation</td><td className="px-4 py-2">docs.breakpilot.de</td></tr>
-                    </tbody>
-                  </table>
-                </div>
-
-                {/* Footer */}
-                <div className="not-prose mt-8 pt-6 border-t border-slate-200 text-sm text-slate-500">
-                  <p>Dokumentation erstellt: Januar 2026 | Version: 1.0.0</p>
-                </div>
-              </div>
-            </div>
           )}
+          {activeTab === 'topics' && <TopicsTab topics={data.topics} />}
+          {activeTab === 'rules' && <RulesTab rules={data.rules} />}
+          {activeTab === 'profile' && <ProfileTab profile={data.profile} />}
+          {activeTab === 'audit' && <AuditTab />}
+          {activeTab === 'documentation' && <DocumentationTab />}
         </div>
       </div>
     </div>

admin-lehrer/app/(admin)/communication/alerts/types.ts

@@ -0,0 +1,68 @@
+/**
+ * Types for Alerts Monitoring Admin Page
+ */
+
+export interface AlertItem {
+  id: string
+  title: string
+  url: string
+  snippet: string
+  topic_name: string
+  relevance_score: number | null
+  relevance_decision: string | null
+  status: string
+  fetched_at: string
+  published_at: string | null
+  matched_rule: string | null
+  tags: string[]
+}
+
+export interface Topic {
+  id: string
+  name: string
+  feed_url: string
+  feed_type: string
+  is_active: boolean
+  fetch_interval_minutes: number
+  last_fetched_at: string | null
+  alert_count: number
+}
+
+export interface Rule {
+  id: string
+  name: string
+  topic_id: string | null
+  conditions: Array<{
+    field: string
+    operator: string
+    value: string | number
+  }>
+  action_type: string
+  action_config: Record<string, unknown>
+  priority: number
+  is_active: boolean
+}
+
+export interface Profile {
+  priorities: string[]
+  exclusions: string[]
+  positive_examples: Array<{ title: string; url: string }>
+  negative_examples: Array<{ title: string; url: string }>
+  policies: {
+    keep_threshold: number
+    drop_threshold: number
+  }
+}
+
+export interface Stats {
+  total_alerts: number
+  new_alerts: number
+  kept_alerts: number
+  review_alerts: number
+  dropped_alerts: number
+  total_topics: number
+  active_topics: number
+  total_rules: number
+}
+
+export type TabId = 'dashboard' | 'inbox' | 'topics' | 'rules' | 'profile' | 'audit' | 'documentation'

admin-lehrer/app/(admin)/communication/alerts/useAlertsData.ts

@@ -0,0 +1,191 @@
+'use client'
+
+import { useEffect, useState, useCallback } from 'react'
+import type { AlertItem, Topic, Rule, Profile, Stats } from './types'
+
+const API_BASE = '/api/alerts'
+
+export function useAlertsData() {
+  const [stats, setStats] = useState<Stats | null>(null)
+  const [alerts, setAlerts] = useState<AlertItem[]>([])
+  const [topics, setTopics] = useState<Topic[]>([])
+  const [rules, setRules] = useState<Rule[]>([])
+  const [profile, setProfile] = useState<Profile | null>(null)
+  const [loading, setLoading] = useState(true)
+  const [error, setError] = useState<string | null>(null)
+  const [inboxFilter, setInboxFilter] = useState<string>('all')
+
+  const fetchData = useCallback(async () => {
+    try {
+      const [statsRes, alertsRes, topicsRes, rulesRes, profileRes] = await Promise.all([
+        fetch(`${API_BASE}/stats`),
+        fetch(`${API_BASE}/inbox?limit=50`),
+        fetch(`${API_BASE}/topics`),
+        fetch(`${API_BASE}/rules`),
+        fetch(`${API_BASE}/profile`),
+      ])
+
+      if (statsRes.ok) setStats(await statsRes.json())
+      if (alertsRes.ok) {
+        const data = await alertsRes.json()
+        setAlerts(data.items || [])
+      }
+      if (topicsRes.ok) {
+        const data = await topicsRes.json()
+        setTopics(data.topics || data.items || [])
+      }
+      if (rulesRes.ok) {
+        const data = await rulesRes.json()
+        setRules(data.rules || data.items || [])
+      }
+      if (profileRes.ok) setProfile(await profileRes.json())
+
+      setError(null)
+    } catch (err) {
+      setError(err instanceof Error ? err.message : 'Verbindungsfehler')
+      setStats({
+        total_alerts: 147,
+        new_alerts: 23,
+        kept_alerts: 89,
+        review_alerts: 12,
+        dropped_alerts: 23,
+        total_topics: 5,
+        active_topics: 4,
+        total_rules: 8,
+      })
+      setAlerts([
+        {
+          id: 'demo_1',
+          title: 'Neue Studie zur digitalen Bildung an Schulen',
+          url: 'https://example.com/artikel1',
+          snippet: 'Eine aktuelle Studie zeigt, dass digitale Lernmittel den Lernerfolg steigern koennen...',
+          topic_name: 'Digitale Bildung',
+          relevance_score: 0.85,
+          relevance_decision: 'KEEP',
+          status: 'new',
+          fetched_at: new Date().toISOString(),
+          published_at: null,
+          matched_rule: null,
+          tags: ['bildung', 'digital'],
+        },
+        {
+          id: 'demo_2',
+          title: 'Inklusion: Fortbildungen fuer Lehrkraefte',
+          url: 'https://example.com/artikel2',
+          snippet: 'Das Kultusministerium bietet neue Fortbildungsangebote zum Thema Inklusion an...',
+          topic_name: 'Inklusion',
+          relevance_score: 0.72,
+          relevance_decision: 'KEEP',
+          status: 'new',
+          fetched_at: new Date(Date.now() - 3600000).toISOString(),
+          published_at: null,
+          matched_rule: null,
+          tags: ['inklusion'],
+        },
+      ])
+      setTopics([
+        {
+          id: 'topic_1',
+          name: 'Digitale Bildung',
+          feed_url: 'https://google.com/alerts/feeds/123',
+          feed_type: 'rss',
+          is_active: true,
+          fetch_interval_minutes: 60,
+          last_fetched_at: new Date().toISOString(),
+          alert_count: 47,
+        },
+        {
+          id: 'topic_2',
+          name: 'Inklusion',
+          feed_url: 'https://google.com/alerts/feeds/456',
+          feed_type: 'rss',
+          is_active: true,
+          fetch_interval_minutes: 60,
+          last_fetched_at: new Date(Date.now() - 1800000).toISOString(),
+          alert_count: 32,
+        },
+      ])
+      setRules([
+        {
+          id: 'rule_1',
+          name: 'Stellenanzeigen ausschliessen',
+          topic_id: null,
+          conditions: [{ field: 'title', operator: 'contains', value: 'Stellenangebot' }],
+          action_type: 'drop',
+          action_config: {},
+          priority: 10,
+          is_active: true,
+        },
+      ])
+      setProfile({
+        priorities: ['Inklusion', 'digitale Bildung'],
+        exclusions: ['Stellenanzeigen', 'Werbung'],
+        positive_examples: [],
+        negative_examples: [],
+        policies: { keep_threshold: 0.7, drop_threshold: 0.3 },
+      })
+    } finally {
+      setLoading(false)
+    }
+  }, [])
+
+  useEffect(() => {
+    fetchData()
+  }, [fetchData])
+
+  const filteredAlerts = alerts.filter((alert) => {
+    if (inboxFilter === 'all') return true
+    if (inboxFilter === 'new') return alert.status === 'new'
+    if (inboxFilter === 'keep') return alert.relevance_decision === 'KEEP'
+    if (inboxFilter === 'review') return alert.relevance_decision === 'REVIEW'
+    return true
+  })
+
+  return {
+    stats,
+    alerts,
+    topics,
+    rules,
+    profile,
+    loading,
+    error,
+    inboxFilter,
+    setInboxFilter,
+    filteredAlerts,
+  }
+}
+
+// --- Helper functions (pure, no hooks) ---
+
+export function formatTimeAgo(dateStr: string | null): string {
+  if (!dateStr) return '-'
+  const date = new Date(dateStr)
+  const now = new Date()
+  const diffMs = now.getTime() - date.getTime()
+  const diffMins = Math.floor(diffMs / 60000)
+
+  if (diffMins < 1) return 'gerade eben'
+  if (diffMins < 60) return `vor ${diffMins} Min.`
+  if (diffMins < 1440) return `vor ${Math.floor(diffMins / 60)} Std.`
+  return `vor ${Math.floor(diffMins / 1440)} Tagen`
+}
+
+export function getScoreBadgeClass(score: number | null): { pct: number; cls: string } | null {
+  if (score === null) return null
+  const pct = Math.round(score * 100)
+  let cls = 'bg-slate-100 text-slate-600'
+  if (pct >= 70) cls = 'bg-green-100 text-green-800'
+  else if (pct >= 40) cls = 'bg-amber-100 text-amber-800'
+  else cls = 'bg-red-100 text-red-800'
+  return { pct, cls }
+}
+
+export function getDecisionBadgeClass(decision: string | null): { decision: string; cls: string } | null {
+  if (!decision) return null
+  const styles: Record<string, string> = {
+    KEEP: 'bg-green-100 text-green-800',
+    REVIEW: 'bg-amber-100 text-amber-800',
+    DROP: 'bg-red-100 text-red-800',
+  }
+  return { decision, cls: styles[decision] || 'bg-slate-100' }
+}

admin-lehrer/app/(admin)/communication/mail/_components/AISettingsTab.tsx

@@ -0,0 +1,120 @@
+'use client'
+
+import { useState } from 'react'
+
+export function AISettingsTab() {
+  const [settings, setSettings] = useState({
+    autoAnalyze: true,
+    autoCreateTasks: true,
+    analysisModel: 'breakpilot-teacher-8b',
+    confidenceThreshold: 0.7,
+  })
+
+  return (
+    <div className="space-y-6">
+      <div>
+        <h2 className="text-lg font-semibold text-slate-900">KI-Einstellungen</h2>
+        <p className="text-sm text-slate-500">Konfigurieren Sie die automatische E-Mail-Analyse</p>
+      </div>
+
+      <div className="bg-white rounded-lg border border-slate-200 p-6 space-y-6">
+        {/* Auto-Analyze */}
+        <div className="flex items-center justify-between">
+          <div>
+            <h3 className="text-sm font-medium text-slate-900">Automatische Analyse</h3>
+            <p className="text-sm text-slate-500">E-Mails automatisch beim Empfang analysieren</p>
+          </div>
+          <button
+            onClick={() => setSettings({ ...settings, autoAnalyze: !settings.autoAnalyze })}
+            className={`relative inline-flex h-6 w-11 items-center rounded-full transition-colors ${
+              settings.autoAnalyze ? 'bg-blue-600' : 'bg-slate-200'
+            }`}
+          >
+            <span
+              className={`inline-block h-4 w-4 transform rounded-full bg-white transition-transform ${
+                settings.autoAnalyze ? 'translate-x-6' : 'translate-x-1'
+              }`}
+            />
+          </button>
+        </div>
+
+        {/* Auto-Create Tasks */}
+        <div className="flex items-center justify-between">
+          <div>
+            <h3 className="text-sm font-medium text-slate-900">Aufgaben automatisch erstellen</h3>
+            <p className="text-sm text-slate-500">Erkannte Fristen als Aufgaben anlegen</p>
+          </div>
+          <button
+            onClick={() => setSettings({ ...settings, autoCreateTasks: !settings.autoCreateTasks })}
+            className={`relative inline-flex h-6 w-11 items-center rounded-full transition-colors ${
+              settings.autoCreateTasks ? 'bg-blue-600' : 'bg-slate-200'
+            }`}
+          >
+            <span
+              className={`inline-block h-4 w-4 transform rounded-full bg-white transition-transform ${
+                settings.autoCreateTasks ? 'translate-x-6' : 'translate-x-1'
+              }`}
+            />
+          </button>
+        </div>
+
+        {/* Model Selection */}
+        <div>
+          <label className="block text-sm font-medium text-slate-700 mb-2">Analyse-Modell</label>
+          <select
+            value={settings.analysisModel}
+            onChange={(e) => setSettings({ ...settings, analysisModel: e.target.value })}
+            className="w-full md:w-64 px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
+          >
+            <option value="breakpilot-teacher-8b">BreakPilot Teacher 8B (schnell)</option>
+            <option value="breakpilot-teacher-70b">BreakPilot Teacher 70B (genau)</option>
+            <option value="llama-3.1-8b-instruct">Llama 3.1 8B Instruct</option>
+          </select>
+        </div>
+
+        {/* Confidence Threshold */}
+        <div>
+          <label className="block text-sm font-medium text-slate-700 mb-2">
+            Konfidenz-Schwelle: {Math.round(settings.confidenceThreshold * 100)}%
+          </label>
+          <input
+            type="range"
+            min="0.5"
+            max="0.95"
+            step="0.05"
+            value={settings.confidenceThreshold}
+            onChange={(e) => setSettings({ ...settings, confidenceThreshold: parseFloat(e.target.value) })}
+            className="w-full md:w-64"
+          />
+          <p className="text-xs text-slate-500 mt-1">
+            Mindest-Konfidenz fuer automatische Aufgabenerstellung
+          </p>
+        </div>
+      </div>
+
+      {/* Sender Classification */}
+      <div className="bg-white rounded-lg border border-slate-200 p-6">
+        <h3 className="text-sm font-medium text-slate-700 mb-4">Bekannte Absender (Niedersachsen)</h3>
+        <div className="grid grid-cols-2 md:grid-cols-3 gap-3">
+          {[
+            { domain: '@mk.niedersachsen.de', type: 'Kultusministerium', priority: 'Hoch' },
+            { domain: '@rlsb.de', type: 'RLSB', priority: 'Hoch' },
+            { domain: '@landesschulbehoerde-nds.de', type: 'Landesschulbehoerde', priority: 'Hoch' },
+            { domain: '@nibis.de', type: 'NiBiS', priority: 'Mittel' },
+            { domain: '@schultraeger.de', type: 'Schultraeger', priority: 'Mittel' },
+          ].map((sender) => (
+            <div key={sender.domain} className="p-3 bg-slate-50 rounded-lg">
+              <p className="text-sm font-mono text-slate-700">{sender.domain}</p>
+              <p className="text-xs text-slate-500">{sender.type}</p>
+              <span className={`text-xs px-2 py-0.5 rounded ${
+                sender.priority === 'Hoch' ? 'bg-red-100 text-red-700' : 'bg-yellow-100 text-yellow-700'
+              }`}>
+                {sender.priority}
+              </span>
+            </div>
+          ))}
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/mail/_components/AccountsTab.tsx

@@ -0,0 +1,355 @@
+'use client'
+
+import { useState } from 'react'
+import type { EmailAccount } from '../types'
+import { API_BASE } from '../types'
+
+interface AccountsTabProps {
+  accounts: EmailAccount[]
+  loading: boolean
+  onRefresh: () => void
+}
+
+const statusColors: Record<EmailAccount['status'], string> = {
+  active: 'bg-green-100 text-green-800',
+  inactive: 'bg-gray-100 text-gray-800',
+  error: 'bg-red-100 text-red-800',
+  syncing: 'bg-yellow-100 text-yellow-800',
+}
+
+const statusLabels: Record<EmailAccount['status'], string> = {
+  active: 'Aktiv',
+  inactive: 'Inaktiv',
+  error: 'Fehler',
+  syncing: 'Synchronisiert...',
+}
+
+export function AccountsTab({ accounts, loading, onRefresh }: AccountsTabProps) {
+  const [showAddModal, setShowAddModal] = useState(false)
+
+  const testConnection = async (accountId: string) => {
+    try {
+      const res = await fetch(`${API_BASE}/api/v1/mail/accounts/${accountId}/test`, {
+        method: 'POST',
+      })
+      if (res.ok) {
+        alert('Verbindung erfolgreich!')
+      } else {
+        alert('Verbindungsfehler')
+      }
+    } catch {
+      alert('Verbindungsfehler')
+    }
+  }
+
+  return (
+    <div className="space-y-6">
+      {/* Header */}
+      <div className="flex items-center justify-between">
+        <div>
+          <h2 className="text-lg font-semibold text-slate-900">E-Mail-Konten</h2>
+          <p className="text-sm text-slate-500">Verwalten Sie die verbundenen E-Mail-Konten</p>
+        </div>
+        <button
+          onClick={() => setShowAddModal(true)}
+          className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 flex items-center gap-2"
+        >
+          <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 6v6m0 0v6m0-6h6m-6 0H6" />
+          </svg>
+          Konto hinzufuegen
+        </button>
+      </div>
+
+      {/* Loading State */}
+      {loading && (
+        <div className="flex items-center justify-center py-12">
+          <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600"></div>
+        </div>
+      )}
+
+      {/* Accounts Grid */}
+      {!loading && (
+        <div className="grid gap-4">
+          {accounts.length === 0 ? (
+            <EmptyAccountsState />
+          ) : (
+            accounts.map((account) => (
+              <AccountCard
+                key={account.id}
+                account={account}
+                onTestConnection={testConnection}
+              />
+            ))
+          )}
+        </div>
+      )}
+
+      {/* Add Account Modal */}
+      {showAddModal && (
+        <AddAccountModal
+          onClose={() => setShowAddModal(false)}
+          onSuccess={() => { setShowAddModal(false); onRefresh() }}
+        />
+      )}
+    </div>
+  )
+}
+
+function EmptyAccountsState() {
+  return (
+    <div className="bg-slate-50 rounded-lg p-8 text-center">
+      <svg className="w-12 h-12 text-slate-400 mx-auto mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
+      </svg>
+      <h3 className="text-lg font-medium text-slate-900 mb-2">Keine E-Mail-Konten</h3>
+      <p className="text-slate-500 mb-4">Fuegen Sie Ihr erstes E-Mail-Konto hinzu.</p>
+    </div>
+  )
+}
+
+function AccountCard({
+  account,
+  onTestConnection
+}: {
+  account: EmailAccount
+  onTestConnection: (id: string) => void
+}) {
+  return (
+    <div className="bg-white rounded-lg border border-slate-200 p-6 hover:shadow-md transition-shadow">
+      <div className="flex items-start justify-between">
+        <div className="flex items-center gap-4">
+          <div className="w-12 h-12 bg-blue-100 rounded-lg flex items-center justify-center">
+            <svg className="w-6 h-6 text-blue-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
+            </svg>
+          </div>
+          <div>
+            <h3 className="text-lg font-semibold text-slate-900">
+              {account.displayName || account.email}
+            </h3>
+            <p className="text-sm text-slate-500">{account.email}</p>
+          </div>
+        </div>
+        <div className="flex items-center gap-3">
+          <span className={`px-3 py-1 rounded-full text-xs font-medium ${statusColors[account.status]}`}>
+            {statusLabels[account.status]}
+          </span>
+          <button
+            onClick={() => onTestConnection(account.id)}
+            className="p-2 text-slate-400 hover:text-slate-600"
+            title="Verbindung testen"
+          >
+            <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 10V3L4 14h7v7l9-11h-7z" />
+            </svg>
+          </button>
+        </div>
+      </div>
+
+      <div className="mt-4 grid grid-cols-2 md:grid-cols-4 gap-4">
+        <div>
+          <p className="text-xs text-slate-500 uppercase tracking-wider">E-Mails</p>
+          <p className="text-lg font-semibold text-slate-900">{account.emailCount}</p>
+        </div>
+        <div>
+          <p className="text-xs text-slate-500 uppercase tracking-wider">Ungelesen</p>
+          <p className="text-lg font-semibold text-slate-900">{account.unreadCount}</p>
+        </div>
+        <div>
+          <p className="text-xs text-slate-500 uppercase tracking-wider">IMAP</p>
+          <p className="text-sm font-mono text-slate-700">{account.imapHost}:{account.imapPort}</p>
+        </div>
+        <div>
+          <p className="text-xs text-slate-500 uppercase tracking-wider">Letzte Sync</p>
+          <p className="text-sm text-slate-700">
+            {account.lastSync
+              ? new Date(account.lastSync).toLocaleString('de-DE')
+              : 'Nie'}
+          </p>
+        </div>
+      </div>
+    </div>
+  )
+}
+
+function AddAccountModal({
+  onClose,
+  onSuccess
+}: {
+  onClose: () => void
+  onSuccess: () => void
+}) {
+  const [formData, setFormData] = useState({
+    email: '',
+    displayName: '',
+    imapHost: '',
+    imapPort: 993,
+    smtpHost: '',
+    smtpPort: 587,
+    username: '',
+    password: '',
+  })
+  const [submitting, setSubmitting] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault()
+    setSubmitting(true)
+    setError(null)
+
+    try {
+      const res = await fetch(`${API_BASE}/api/v1/mail/accounts`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({
+          email: formData.email,
+          display_name: formData.displayName,
+          imap_host: formData.imapHost,
+          imap_port: formData.imapPort,
+          smtp_host: formData.smtpHost,
+          smtp_port: formData.smtpPort,
+          username: formData.username,
+          password: formData.password,
+        }),
+      })
+
+      if (res.ok) {
+        onSuccess()
+      } else {
+        const data = await res.json()
+        setError(data.detail || 'Fehler beim Hinzufuegen des Kontos')
+      }
+    } catch {
+      setError('Netzwerkfehler')
+    } finally {
+      setSubmitting(false)
+    }
+  }
+
+  return (
+    <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
+      <div className="bg-white rounded-lg shadow-xl max-w-lg w-full mx-4 max-h-[90vh] overflow-y-auto">
+        <div className="p-6 border-b border-slate-200">
+          <h2 className="text-lg font-semibold text-slate-900">E-Mail-Konto hinzufuegen</h2>
+        </div>
+
+        <form onSubmit={handleSubmit} className="p-6 space-y-4">
+          {error && (
+            <div className="p-3 bg-red-50 text-red-700 rounded-lg text-sm">{error}</div>
+          )}
+
+          <div className="grid grid-cols-2 gap-4">
+            <div className="col-span-2">
+              <label className="block text-sm font-medium text-slate-700 mb-1">E-Mail-Adresse</label>
+              <input
+                type="email"
+                required
+                value={formData.email}
+                onChange={(e) => setFormData({ ...formData, email: e.target.value })}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
+                placeholder="schulleitung@grundschule-xy.de"
+              />
+            </div>
+            <div className="col-span-2">
+              <label className="block text-sm font-medium text-slate-700 mb-1">Anzeigename</label>
+              <input
+                type="text"
+                value={formData.displayName}
+                onChange={(e) => setFormData({ ...formData, displayName: e.target.value })}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
+                placeholder="Schulleitung"
+              />
+            </div>
+
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-1">IMAP Server</label>
+              <input
+                type="text"
+                required
+                value={formData.imapHost}
+                onChange={(e) => setFormData({ ...formData, imapHost: e.target.value })}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
+                placeholder="imap.example.com"
+              />
+            </div>
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-1">IMAP Port</label>
+              <input
+                type="number"
+                required
+                value={formData.imapPort}
+                onChange={(e) => setFormData({ ...formData, imapPort: parseInt(e.target.value) })}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
+              />
+            </div>
+
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-1">SMTP Server</label>
+              <input
+                type="text"
+                required
+                value={formData.smtpHost}
+                onChange={(e) => setFormData({ ...formData, smtpHost: e.target.value })}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
+                placeholder="smtp.example.com"
+              />
+            </div>
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-1">SMTP Port</label>
+              <input
+                type="number"
+                required
+                value={formData.smtpPort}
+                onChange={(e) => setFormData({ ...formData, smtpPort: parseInt(e.target.value) })}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
+              />
+            </div>
+
+            <div className="col-span-2">
+              <label className="block text-sm font-medium text-slate-700 mb-1">Benutzername</label>
+              <input
+                type="text"
+                required
+                value={formData.username}
+                onChange={(e) => setFormData({ ...formData, username: e.target.value })}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
+              />
+            </div>
+
+            <div className="col-span-2">
+              <label className="block text-sm font-medium text-slate-700 mb-1">Passwort</label>
+              <input
+                type="password"
+                required
+                value={formData.password}
+                onChange={(e) => setFormData({ ...formData, password: e.target.value })}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
+              />
+              <p className="text-xs text-slate-500 mt-1">
+                Das Passwort wird verschluesselt in Vault gespeichert.
+              </p>
+            </div>
+          </div>
+
+          <div className="flex justify-end gap-3 pt-4 border-t border-slate-200">
+            <button
+              type="button"
+              onClick={onClose}
+              className="px-4 py-2 text-sm font-medium text-slate-700 hover:bg-slate-100 rounded-lg"
+            >
+              Abbrechen
+            </button>
+            <button
+              type="submit"
+              disabled={submitting}
+              className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 disabled:opacity-50"
+            >
+              {submitting ? 'Speichern...' : 'Konto hinzufuegen'}
+            </button>
+          </div>
+        </form>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/mail/_components/AuditLogTab.tsx

@@ -0,0 +1,56 @@
+'use client'
+
+import { useState } from 'react'
+
+const actionLabels: Record<string, string> = {
+  account_created: 'Konto erstellt',
+  email_analyzed: 'E-Mail analysiert',
+  task_created: 'Aufgabe erstellt',
+  sync_completed: 'Sync abgeschlossen',
+}
+
+export function AuditLogTab() {
+  const [logs] = useState([
+    { id: '1', action: 'account_created', user: 'admin@breakpilot.de', timestamp: new Date().toISOString(), details: 'Konto schulleitung@example.de hinzugefuegt' },
+    { id: '2', action: 'email_analyzed', user: 'system', timestamp: new Date(Date.now() - 3600000).toISOString(), details: '5 E-Mails analysiert' },
+    { id: '3', action: 'task_created', user: 'system', timestamp: new Date(Date.now() - 7200000).toISOString(), details: 'Aufgabe aus Fristenerkennung erstellt' },
+  ])
+
+  return (
+    <div className="space-y-6">
+      <div>
+        <h2 className="text-lg font-semibold text-slate-900">Audit-Log</h2>
+        <p className="text-sm text-slate-500">Alle Aktionen im Mail-System</p>
+      </div>
+
+      <div className="bg-white rounded-lg border border-slate-200 overflow-hidden">
+        <table className="min-w-full divide-y divide-slate-200">
+          <thead className="bg-slate-50">
+            <tr>
+              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Zeit</th>
+              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Aktion</th>
+              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Benutzer</th>
+              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Details</th>
+            </tr>
+          </thead>
+          <tbody className="divide-y divide-slate-200">
+            {logs.map((log) => (
+              <tr key={log.id} className="hover:bg-slate-50">
+                <td className="px-6 py-4 text-sm text-slate-500">
+                  {new Date(log.timestamp).toLocaleString('de-DE')}
+                </td>
+                <td className="px-6 py-4">
+                  <span className="px-2 py-1 bg-blue-100 text-blue-700 text-xs rounded font-medium">
+                    {actionLabels[log.action] || log.action}
+                  </span>
+                </td>
+                <td className="px-6 py-4 text-sm text-slate-700">{log.user}</td>
+                <td className="px-6 py-4 text-sm text-slate-500">{log.details}</td>
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/mail/_components/OverviewTab.tsx

@@ -0,0 +1,171 @@
+'use client'
+
+import type { MailStats, SyncStatus } from '../types'
+import { API_BASE } from '../types'
+
+interface OverviewTabProps {
+  stats: MailStats | null
+  syncStatus: SyncStatus | null
+  loading: boolean
+  onRefresh: () => void
+}
+
+export function OverviewTab({ stats, syncStatus, loading, onRefresh }: OverviewTabProps) {
+  const triggerSync = async () => {
+    try {
+      await fetch(`${API_BASE}/api/v1/mail/sync/all`, {
+        method: 'POST',
+      })
+      onRefresh()
+    } catch (err) {
+      console.error('Failed to trigger sync:', err)
+    }
+  }
+
+  return (
+    <div className="space-y-6">
+      {/* Header */}
+      <div className="flex items-center justify-between">
+        <div>
+          <h2 className="text-lg font-semibold text-slate-900">System-Uebersicht</h2>
+          <p className="text-sm text-slate-500">Status aller E-Mail-Konten und Aufgaben</p>
+        </div>
+        <div className="flex gap-3">
+          <button
+            onClick={onRefresh}
+            className="px-4 py-2 text-sm font-medium text-slate-700 bg-white border border-slate-300 rounded-lg hover:bg-slate-50"
+          >
+            Aktualisieren
+          </button>
+          <button
+            onClick={triggerSync}
+            disabled={syncStatus?.running}
+            className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 disabled:opacity-50"
+          >
+            {syncStatus?.running ? 'Synchronisiert...' : 'Alle synchronisieren'}
+          </button>
+        </div>
+      </div>
+
+      {/* Loading State */}
+      {loading && (
+        <div className="flex items-center justify-center py-12">
+          <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600"></div>
+        </div>
+      )}
+
+      {/* Stats Grid */}
+      {!loading && stats && (
+        <>
+          <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+            <StatCard
+              title="E-Mail-Konten"
+              value={stats.totalAccounts}
+              subtitle={`${stats.activeAccounts} aktiv`}
+              color="blue"
+            />
+            <StatCard
+              title="E-Mails gesamt"
+              value={stats.totalEmails}
+              subtitle={`${stats.unreadEmails} ungelesen`}
+              color="green"
+            />
+            <StatCard
+              title="Aufgaben"
+              value={stats.totalTasks}
+              subtitle={`${stats.pendingTasks} offen`}
+              color="yellow"
+            />
+            <StatCard
+              title="Ueberfaellig"
+              value={stats.overdueTasks}
+              color={stats.overdueTasks > 0 ? 'red' : 'green'}
+            />
+          </div>
+
+          {/* Sync Status */}
+          <div className="bg-white rounded-lg border border-slate-200 p-6">
+            <h3 className="text-sm font-medium text-slate-700 mb-4">Synchronisierung</h3>
+            <div className="flex items-center gap-4">
+              {syncStatus?.running ? (
+                <>
+                  <div className="w-3 h-3 bg-yellow-500 rounded-full animate-pulse"></div>
+                  <span className="text-slate-600">
+                    Synchronisiere {syncStatus.accountsInProgress.length} Konto(en)...
+                  </span>
+                </>
+              ) : (
+                <>
+                  <div className="w-3 h-3 bg-green-500 rounded-full"></div>
+                  <span className="text-slate-600">Bereit</span>
+                </>
+              )}
+              {stats.lastSyncTime && (
+                <span className="text-sm text-slate-500 ml-auto">
+                  Letzte Sync: {new Date(stats.lastSyncTime).toLocaleString('de-DE')}
+                </span>
+              )}
+            </div>
+
+            {syncStatus?.errors && syncStatus.errors.length > 0 && (
+              <div className="mt-4 p-4 bg-red-50 rounded-lg">
+                <h4 className="text-sm font-medium text-red-800 mb-2">Fehler</h4>
+                <ul className="text-sm text-red-700 space-y-1">
+                  {syncStatus.errors.slice(0, 3).map((error, i) => (
+                    <li key={i}>{error}</li>
+                  ))}
+                </ul>
+              </div>
+            )}
+          </div>
+
+          {/* AI Stats */}
+          <div className="bg-white rounded-lg border border-slate-200 p-6">
+            <h3 className="text-sm font-medium text-slate-700 mb-4">KI-Analyse</h3>
+            <div className="grid grid-cols-2 md:grid-cols-4 gap-6">
+              <div>
+                <p className="text-xs text-slate-500 uppercase tracking-wider">Analysiert</p>
+                <p className="text-2xl font-bold text-slate-900">{stats.aiAnalyzedCount}</p>
+              </div>
+              <div>
+                <p className="text-xs text-slate-500 uppercase tracking-wider">Analyse-Rate</p>
+                <p className="text-2xl font-bold text-slate-900">
+                  {stats.totalEmails > 0
+                    ? `${Math.round((stats.aiAnalyzedCount / stats.totalEmails) * 100)}%`
+                    : '0%'}
+                </p>
+              </div>
+            </div>
+          </div>
+        </>
+      )}
+    </div>
+  )
+}
+
+function StatCard({
+  title,
+  value,
+  subtitle,
+  color = 'blue'
+}: {
+  title: string
+  value: number
+  subtitle?: string
+  color?: 'blue' | 'green' | 'yellow' | 'red'
+}) {
+  const colorClasses = {
+    blue: 'text-blue-600',
+    green: 'text-green-600',
+    yellow: 'text-yellow-600',
+    red: 'text-red-600',
+  }
+
+  return (
+    <div className="bg-white rounded-lg border border-slate-200 p-6">
+      <p className="text-xs text-slate-500 uppercase tracking-wider mb-1">{title}</p>
+      <p className={`text-3xl font-bold ${colorClasses[color]}`}>{value.toLocaleString()}</p>
+      {subtitle && <p className="text-sm text-slate-500 mt-1">{subtitle}</p>}
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/mail/_components/TemplatesTab.tsx

@@ -0,0 +1,55 @@
+'use client'
+
+import { useState } from 'react'
+
+export function TemplatesTab() {
+  const [templates] = useState([
+    { id: '1', name: 'Eingangsbestaetigung', category: 'Standard', usageCount: 45 },
+    { id: '2', name: 'Terminbestaetigung', category: 'Termine', usageCount: 23 },
+    { id: '3', name: 'Elternbrief-Vorlage', category: 'Eltern', usageCount: 67 },
+  ])
+
+  return (
+    <div className="space-y-6">
+      <div className="flex items-center justify-between">
+        <div>
+          <h2 className="text-lg font-semibold text-slate-900">E-Mail-Vorlagen</h2>
+          <p className="text-sm text-slate-500">Verwalten Sie Antwort-Templates</p>
+        </div>
+        <button className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 flex items-center gap-2">
+          <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 6v6m0 0v6m0-6h6m-6 0H6" />
+          </svg>
+          Vorlage erstellen
+        </button>
+      </div>
+
+      <div className="bg-white rounded-lg border border-slate-200 overflow-hidden">
+        <table className="min-w-full divide-y divide-slate-200">
+          <thead className="bg-slate-50">
+            <tr>
+              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Name</th>
+              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Kategorie</th>
+              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Verwendet</th>
+              <th className="px-6 py-3 text-right text-xs font-medium text-slate-500 uppercase">Aktionen</th>
+            </tr>
+          </thead>
+          <tbody className="divide-y divide-slate-200">
+            {templates.map((template) => (
+              <tr key={template.id} className="hover:bg-slate-50">
+                <td className="px-6 py-4 text-sm font-medium text-slate-900">{template.name}</td>
+                <td className="px-6 py-4">
+                  <span className="px-2 py-1 bg-slate-100 text-slate-700 text-xs rounded">{template.category}</span>
+                </td>
+                <td className="px-6 py-4 text-sm text-slate-500">{template.usageCount}x</td>
+                <td className="px-6 py-4 text-right">
+                  <button className="text-blue-600 hover:text-blue-800 text-sm font-medium">Bearbeiten</button>
+                </td>
+              </tr>
+            ))}
+          </tbody>
+        </table>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/communication/mail/page.tsx

@@ -8,105 +8,20 @@
  * and configuring AI analysis settings.
  */
 
-import { useState, useEffect, useCallback } from 'react'
+import { useState } from 'react'
 import Link from 'next/link'
 import { PagePurpose } from '@/components/common/PagePurpose'
+import { useMailData } from './useMailData'
+import { tabs, type TabId } from './types'
+import { OverviewTab } from './_components/OverviewTab'
+import { AccountsTab } from './_components/AccountsTab'
+import { AISettingsTab } from './_components/AISettingsTab'
+import { TemplatesTab } from './_components/TemplatesTab'
+import { AuditLogTab } from './_components/AuditLogTab'
 
-// API Base URL for backend operations (accounts, sync, etc.)
-const API_BASE = process.env.NEXT_PUBLIC_KLAUSUR_SERVICE_URL || 'http://macmini:8086'
-
-// Types
-interface EmailAccount {
-  id: string
-  email: string
-  displayName: string
-  imapHost: string
-  imapPort: number
-  smtpHost: string
-  smtpPort: number
-  status: 'active' | 'inactive' | 'error' | 'syncing'
-  lastSync: string | null
-  emailCount: number
-  unreadCount: number
-  createdAt: string
-}
-
-interface MailStats {
-  totalAccounts: number
-  activeAccounts: number
-  totalEmails: number
-  unreadEmails: number
-  totalTasks: number
-  pendingTasks: number
-  overdueTasks: number
-  aiAnalyzedCount: number
-  lastSyncTime: string | null
-}
-
-interface SyncStatus {
-  running: boolean
-  accountsInProgress: string[]
-  lastCompleted: string | null
-  errors: string[]
-}
-
-// Tab definitions
-type TabId = 'overview' | 'accounts' | 'ai-settings' | 'templates' | 'logs'
-
-const tabs: { id: TabId; name: string }[] = [
-  { id: 'overview', name: 'Uebersicht' },
-  { id: 'accounts', name: 'Konten' },
-  { id: 'ai-settings', name: 'KI-Einstellungen' },
-  { id: 'templates', name: 'Vorlagen' },
-  { id: 'logs', name: 'Audit-Log' },
-]
-
-// Main Component
 export default function MailAdminPage() {
   const [activeTab, setActiveTab] = useState<TabId>('overview')
-  const [stats, setStats] = useState<MailStats | null>(null)
-  const [accounts, setAccounts] = useState<EmailAccount[]>([])
-  const [syncStatus, setSyncStatus] = useState<SyncStatus | null>(null)
-  const [loading, setLoading] = useState(true)
-  const [error, setError] = useState<string | null>(null)
-
-  const fetchData = useCallback(async () => {
-    try {
-      setLoading(true)
-
-      // Fetch stats via our proxy API (avoids CORS/mixed-content issues)
-      const response = await fetch('/api/admin/mail')
-
-      if (response.ok) {
-        const data = await response.json()
-        setStats(data.stats)
-        setAccounts(data.accounts)
-        setSyncStatus(data.syncStatus)
-        setError(null)
-      } else {
-        const errorData = await response.json().catch(() => ({}))
-        throw new Error(errorData.details || `API returned ${response.status}`)
-      }
-    } catch (err) {
-      console.error('Failed to fetch mail data:', err)
-      setError('Verbindung zum Mail-Service (Mailpit) fehlgeschlagen. Laeuft Mailpit auf Port 8025?')
-    } finally {
-      setLoading(false)
-    }
-  }, [])
-
-  useEffect(() => {
-    fetchData()
-
-    // Refresh every 10 seconds if syncing
-    const interval = setInterval(() => {
-      if (syncStatus?.running) {
-        fetchData()
-      }
-    }, 10000)
-
-    return () => clearInterval(interval)
-  }, [fetchData, syncStatus?.running])
+  const { stats, accounts, syncStatus, loading, error, fetchData } = useMailData()
 
   return (
     <div>
@@ -190,757 +105,9 @@ export default function MailAdminPage() {
           onRefresh={fetchData}
         />
       )}
-      {activeTab === 'ai-settings' && (
-        <AISettingsTab />
-      )}
-      {activeTab === 'templates' && (
-        <TemplatesTab />
-      )}
-      {activeTab === 'logs' && (
-        <AuditLogTab />
-      )}
-    </div>
-  )
-}
-
-// ============================================================================
-// Overview Tab
-// ============================================================================
-
-function OverviewTab({
-  stats,
-  syncStatus,
-  loading,
-  onRefresh
-}: {
-  stats: MailStats | null
-  syncStatus: SyncStatus | null
-  loading: boolean
-  onRefresh: () => void
-}) {
-  const triggerSync = async () => {
-    try {
-      await fetch(`${API_BASE}/api/v1/mail/sync/all`, {
-        method: 'POST',
-      })
-      onRefresh()
-    } catch (err) {
-      console.error('Failed to trigger sync:', err)
-    }
-  }
-
-  return (
-    <div className="space-y-6">
-      {/* Header */}
-      <div className="flex items-center justify-between">
-        <div>
-          <h2 className="text-lg font-semibold text-slate-900">System-Uebersicht</h2>
-          <p className="text-sm text-slate-500">Status aller E-Mail-Konten und Aufgaben</p>
-        </div>
-        <div className="flex gap-3">
-          <button
-            onClick={onRefresh}
-            className="px-4 py-2 text-sm font-medium text-slate-700 bg-white border border-slate-300 rounded-lg hover:bg-slate-50"
-          >
-            Aktualisieren
-          </button>
-          <button
-            onClick={triggerSync}
-            disabled={syncStatus?.running}
-            className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 disabled:opacity-50"
-          >
-            {syncStatus?.running ? 'Synchronisiert...' : 'Alle synchronisieren'}
-          </button>
-        </div>
-      </div>
-
-      {/* Loading State */}
-      {loading && (
-        <div className="flex items-center justify-center py-12">
-          <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600"></div>
-        </div>
-      )}
-
-      {/* Stats Grid */}
-      {!loading && stats && (
-        <>
-          <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
-            <StatCard
-              title="E-Mail-Konten"
-              value={stats.totalAccounts}
-              subtitle={`${stats.activeAccounts} aktiv`}
-              color="blue"
-            />
-            <StatCard
-              title="E-Mails gesamt"
-              value={stats.totalEmails}
-              subtitle={`${stats.unreadEmails} ungelesen`}
-              color="green"
-            />
-            <StatCard
-              title="Aufgaben"
-              value={stats.totalTasks}
-              subtitle={`${stats.pendingTasks} offen`}
-              color="yellow"
-            />
-            <StatCard
-              title="Ueberfaellig"
-              value={stats.overdueTasks}
-              color={stats.overdueTasks > 0 ? 'red' : 'green'}
-            />
-          </div>
-
-          {/* Sync Status */}
-          <div className="bg-white rounded-lg border border-slate-200 p-6">
-            <h3 className="text-sm font-medium text-slate-700 mb-4">Synchronisierung</h3>
-            <div className="flex items-center gap-4">
-              {syncStatus?.running ? (
-                <>
-                  <div className="w-3 h-3 bg-yellow-500 rounded-full animate-pulse"></div>
-                  <span className="text-slate-600">
-                    Synchronisiere {syncStatus.accountsInProgress.length} Konto(en)...
-                  </span>
-                </>
-              ) : (
-                <>
-                  <div className="w-3 h-3 bg-green-500 rounded-full"></div>
-                  <span className="text-slate-600">Bereit</span>
-                </>
-              )}
-              {stats.lastSyncTime && (
-                <span className="text-sm text-slate-500 ml-auto">
-                  Letzte Sync: {new Date(stats.lastSyncTime).toLocaleString('de-DE')}
-                </span>
-              )}
-            </div>
-
-            {syncStatus?.errors && syncStatus.errors.length > 0 && (
-              <div className="mt-4 p-4 bg-red-50 rounded-lg">
-                <h4 className="text-sm font-medium text-red-800 mb-2">Fehler</h4>
-                <ul className="text-sm text-red-700 space-y-1">
-                  {syncStatus.errors.slice(0, 3).map((error, i) => (
-                    <li key={i}>{error}</li>
-                  ))}
-                </ul>
-              </div>
-            )}
-          </div>
-
-          {/* AI Stats */}
-          <div className="bg-white rounded-lg border border-slate-200 p-6">
-            <h3 className="text-sm font-medium text-slate-700 mb-4">KI-Analyse</h3>
-            <div className="grid grid-cols-2 md:grid-cols-4 gap-6">
-              <div>
-                <p className="text-xs text-slate-500 uppercase tracking-wider">Analysiert</p>
-                <p className="text-2xl font-bold text-slate-900">{stats.aiAnalyzedCount}</p>
-              </div>
-              <div>
-                <p className="text-xs text-slate-500 uppercase tracking-wider">Analyse-Rate</p>
-                <p className="text-2xl font-bold text-slate-900">
-                  {stats.totalEmails > 0
-                    ? `${Math.round((stats.aiAnalyzedCount / stats.totalEmails) * 100)}%`
-                    : '0%'}
-                </p>
-              </div>
-            </div>
-          </div>
-        </>
-      )}
-    </div>
-  )
-}
-
-function StatCard({
-  title,
-  value,
-  subtitle,
-  color = 'blue'
-}: {
-  title: string
-  value: number
-  subtitle?: string
-  color?: 'blue' | 'green' | 'yellow' | 'red'
-}) {
-  const colorClasses = {
-    blue: 'text-blue-600',
-    green: 'text-green-600',
-    yellow: 'text-yellow-600',
-    red: 'text-red-600',
-  }
-
-  return (
-    <div className="bg-white rounded-lg border border-slate-200 p-6">
-      <p className="text-xs text-slate-500 uppercase tracking-wider mb-1">{title}</p>
-      <p className={`text-3xl font-bold ${colorClasses[color]}`}>{value.toLocaleString()}</p>
-      {subtitle && <p className="text-sm text-slate-500 mt-1">{subtitle}</p>}
-    </div>
-  )
-}
-
-// ============================================================================
-// Accounts Tab
-// ============================================================================
-
-function AccountsTab({
-  accounts,
-  loading,
-  onRefresh
-}: {
-  accounts: EmailAccount[]
-  loading: boolean
-  onRefresh: () => void
-}) {
-  const [showAddModal, setShowAddModal] = useState(false)
-
-  const testConnection = async (accountId: string) => {
-    try {
-      const res = await fetch(`${API_BASE}/api/v1/mail/accounts/${accountId}/test`, {
-        method: 'POST',
-      })
-      if (res.ok) {
-        alert('Verbindung erfolgreich!')
-      } else {
-        alert('Verbindungsfehler')
-      }
-    } catch (err) {
-      alert('Verbindungsfehler')
-    }
-  }
-
-  const statusColors = {
-    active: 'bg-green-100 text-green-800',
-    inactive: 'bg-gray-100 text-gray-800',
-    error: 'bg-red-100 text-red-800',
-    syncing: 'bg-yellow-100 text-yellow-800',
-  }
-
-  const statusLabels = {
-    active: 'Aktiv',
-    inactive: 'Inaktiv',
-    error: 'Fehler',
-    syncing: 'Synchronisiert...',
-  }
-
-  return (
-    <div className="space-y-6">
-      {/* Header */}
-      <div className="flex items-center justify-between">
-        <div>
-          <h2 className="text-lg font-semibold text-slate-900">E-Mail-Konten</h2>
-          <p className="text-sm text-slate-500">Verwalten Sie die verbundenen E-Mail-Konten</p>
-        </div>
-        <button
-          onClick={() => setShowAddModal(true)}
-          className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 flex items-center gap-2"
-        >
-          <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 6v6m0 0v6m0-6h6m-6 0H6" />
-          </svg>
-          Konto hinzufuegen
-        </button>
-      </div>
-
-      {/* Loading State */}
-      {loading && (
-        <div className="flex items-center justify-center py-12">
-          <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-blue-600"></div>
-        </div>
-      )}
-
-      {/* Accounts Grid */}
-      {!loading && (
-        <div className="grid gap-4">
-          {accounts.length === 0 ? (
-            <div className="bg-slate-50 rounded-lg p-8 text-center">
-              <svg className="w-12 h-12 text-slate-400 mx-auto mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
-              </svg>
-              <h3 className="text-lg font-medium text-slate-900 mb-2">Keine E-Mail-Konten</h3>
-              <p className="text-slate-500 mb-4">Fuegen Sie Ihr erstes E-Mail-Konto hinzu.</p>
-            </div>
-          ) : (
-            accounts.map((account) => (
-              <div
-                key={account.id}
-                className="bg-white rounded-lg border border-slate-200 p-6 hover:shadow-md transition-shadow"
-              >
-                <div className="flex items-start justify-between">
-                  <div className="flex items-center gap-4">
-                    <div className="w-12 h-12 bg-blue-100 rounded-lg flex items-center justify-center">
-                      <svg className="w-6 h-6 text-blue-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
-                      </svg>
-                    </div>
-                    <div>
-                      <h3 className="text-lg font-semibold text-slate-900">
-                        {account.displayName || account.email}
-                      </h3>
-                      <p className="text-sm text-slate-500">{account.email}</p>
-                    </div>
-                  </div>
-                  <div className="flex items-center gap-3">
-                    <span className={`px-3 py-1 rounded-full text-xs font-medium ${statusColors[account.status]}`}>
-                      {statusLabels[account.status]}
-                    </span>
-                    <button
-                      onClick={() => testConnection(account.id)}
-                      className="p-2 text-slate-400 hover:text-slate-600"
-                      title="Verbindung testen"
-                    >
-                      <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                        <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 10V3L4 14h7v7l9-11h-7z" />
-                      </svg>
-                    </button>
-                  </div>
-                </div>
-
-                <div className="mt-4 grid grid-cols-2 md:grid-cols-4 gap-4">
-                  <div>
-                    <p className="text-xs text-slate-500 uppercase tracking-wider">E-Mails</p>
-                    <p className="text-lg font-semibold text-slate-900">{account.emailCount}</p>
-                  </div>
-                  <div>
-                    <p className="text-xs text-slate-500 uppercase tracking-wider">Ungelesen</p>
-                    <p className="text-lg font-semibold text-slate-900">{account.unreadCount}</p>
-                  </div>
-                  <div>
-                    <p className="text-xs text-slate-500 uppercase tracking-wider">IMAP</p>
-                    <p className="text-sm font-mono text-slate-700">{account.imapHost}:{account.imapPort}</p>
-                  </div>
-                  <div>
-                    <p className="text-xs text-slate-500 uppercase tracking-wider">Letzte Sync</p>
-                    <p className="text-sm text-slate-700">
-                      {account.lastSync
-                        ? new Date(account.lastSync).toLocaleString('de-DE')
-                        : 'Nie'}
-                    </p>
-                  </div>
-                </div>
-              </div>
-            ))
-          )}
-        </div>
-      )}
-
-      {/* Add Account Modal */}
-      {showAddModal && (
-        <AddAccountModal onClose={() => setShowAddModal(false)} onSuccess={() => { setShowAddModal(false); onRefresh(); }} />
-      )}
-    </div>
-  )
-}
-
-function AddAccountModal({
-  onClose,
-  onSuccess
-}: {
-  onClose: () => void
-  onSuccess: () => void
-}) {
-  const [formData, setFormData] = useState({
-    email: '',
-    displayName: '',
-    imapHost: '',
-    imapPort: 993,
-    smtpHost: '',
-    smtpPort: 587,
-    username: '',
-    password: '',
-  })
-  const [submitting, setSubmitting] = useState(false)
-  const [error, setError] = useState<string | null>(null)
-
-  const handleSubmit = async (e: React.FormEvent) => {
-    e.preventDefault()
-    setSubmitting(true)
-    setError(null)
-
-    try {
-      const res = await fetch(`${API_BASE}/api/v1/mail/accounts`, {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({
-          email: formData.email,
-          display_name: formData.displayName,
-          imap_host: formData.imapHost,
-          imap_port: formData.imapPort,
-          smtp_host: formData.smtpHost,
-          smtp_port: formData.smtpPort,
-          username: formData.username,
-          password: formData.password,
-        }),
-      })
-
-      if (res.ok) {
-        onSuccess()
-      } else {
-        const data = await res.json()
-        setError(data.detail || 'Fehler beim Hinzufuegen des Kontos')
-      }
-    } catch (err) {
-      setError('Netzwerkfehler')
-    } finally {
-      setSubmitting(false)
-    }
-  }
-
-  return (
-    <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
-      <div className="bg-white rounded-lg shadow-xl max-w-lg w-full mx-4 max-h-[90vh] overflow-y-auto">
-        <div className="p-6 border-b border-slate-200">
-          <h2 className="text-lg font-semibold text-slate-900">E-Mail-Konto hinzufuegen</h2>
-        </div>
-
-        <form onSubmit={handleSubmit} className="p-6 space-y-4">
-          {error && (
-            <div className="p-3 bg-red-50 text-red-700 rounded-lg text-sm">{error}</div>
-          )}
-
-          <div className="grid grid-cols-2 gap-4">
-            <div className="col-span-2">
-              <label className="block text-sm font-medium text-slate-700 mb-1">E-Mail-Adresse</label>
-              <input
-                type="email"
-                required
-                value={formData.email}
-                onChange={(e) => setFormData({ ...formData, email: e.target.value })}
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
-                placeholder="schulleitung@grundschule-xy.de"
-              />
-            </div>
-            <div className="col-span-2">
-              <label className="block text-sm font-medium text-slate-700 mb-1">Anzeigename</label>
-              <input
-                type="text"
-                value={formData.displayName}
-                onChange={(e) => setFormData({ ...formData, displayName: e.target.value })}
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
-                placeholder="Schulleitung"
-              />
-            </div>
-
-            <div>
-              <label className="block text-sm font-medium text-slate-700 mb-1">IMAP Server</label>
-              <input
-                type="text"
-                required
-                value={formData.imapHost}
-                onChange={(e) => setFormData({ ...formData, imapHost: e.target.value })}
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
-                placeholder="imap.example.com"
-              />
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-slate-700 mb-1">IMAP Port</label>
-              <input
-                type="number"
-                required
-                value={formData.imapPort}
-                onChange={(e) => setFormData({ ...formData, imapPort: parseInt(e.target.value) })}
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
-              />
-            </div>
-
-            <div>
-              <label className="block text-sm font-medium text-slate-700 mb-1">SMTP Server</label>
-              <input
-                type="text"
-                required
-                value={formData.smtpHost}
-                onChange={(e) => setFormData({ ...formData, smtpHost: e.target.value })}
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
-                placeholder="smtp.example.com"
-              />
-            </div>
-            <div>
-              <label className="block text-sm font-medium text-slate-700 mb-1">SMTP Port</label>
-              <input
-                type="number"
-                required
-                value={formData.smtpPort}
-                onChange={(e) => setFormData({ ...formData, smtpPort: parseInt(e.target.value) })}
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
-              />
-            </div>
-
-            <div className="col-span-2">
-              <label className="block text-sm font-medium text-slate-700 mb-1">Benutzername</label>
-              <input
-                type="text"
-                required
-                value={formData.username}
-                onChange={(e) => setFormData({ ...formData, username: e.target.value })}
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
-              />
-            </div>
-
-            <div className="col-span-2">
-              <label className="block text-sm font-medium text-slate-700 mb-1">Passwort</label>
-              <input
-                type="password"
-                required
-                value={formData.password}
-                onChange={(e) => setFormData({ ...formData, password: e.target.value })}
-                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
-              />
-              <p className="text-xs text-slate-500 mt-1">
-                Das Passwort wird verschluesselt in Vault gespeichert.
-              </p>
-            </div>
-          </div>
-
-          <div className="flex justify-end gap-3 pt-4 border-t border-slate-200">
-            <button
-              type="button"
-              onClick={onClose}
-              className="px-4 py-2 text-sm font-medium text-slate-700 hover:bg-slate-100 rounded-lg"
-            >
-              Abbrechen
-            </button>
-            <button
-              type="submit"
-              disabled={submitting}
-              className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 disabled:opacity-50"
-            >
-              {submitting ? 'Speichern...' : 'Konto hinzufuegen'}
-            </button>
-          </div>
-        </form>
-      </div>
-    </div>
-  )
-}
-
-// ============================================================================
-// AI Settings Tab
-// ============================================================================
-
-function AISettingsTab() {
-  const [settings, setSettings] = useState({
-    autoAnalyze: true,
-    autoCreateTasks: true,
-    analysisModel: 'breakpilot-teacher-8b',
-    confidenceThreshold: 0.7,
-  })
-
-  return (
-    <div className="space-y-6">
-      <div>
-        <h2 className="text-lg font-semibold text-slate-900">KI-Einstellungen</h2>
-        <p className="text-sm text-slate-500">Konfigurieren Sie die automatische E-Mail-Analyse</p>
-      </div>
-
-      <div className="bg-white rounded-lg border border-slate-200 p-6 space-y-6">
-        {/* Auto-Analyze */}
-        <div className="flex items-center justify-between">
-          <div>
-            <h3 className="text-sm font-medium text-slate-900">Automatische Analyse</h3>
-            <p className="text-sm text-slate-500">E-Mails automatisch beim Empfang analysieren</p>
-          </div>
-          <button
-            onClick={() => setSettings({ ...settings, autoAnalyze: !settings.autoAnalyze })}
-            className={`relative inline-flex h-6 w-11 items-center rounded-full transition-colors ${
-              settings.autoAnalyze ? 'bg-blue-600' : 'bg-slate-200'
-            }`}
-          >
-            <span
-              className={`inline-block h-4 w-4 transform rounded-full bg-white transition-transform ${
-                settings.autoAnalyze ? 'translate-x-6' : 'translate-x-1'
-              }`}
-            />
-          </button>
-        </div>
-
-        {/* Auto-Create Tasks */}
-        <div className="flex items-center justify-between">
-          <div>
-            <h3 className="text-sm font-medium text-slate-900">Aufgaben automatisch erstellen</h3>
-            <p className="text-sm text-slate-500">Erkannte Fristen als Aufgaben anlegen</p>
-          </div>
-          <button
-            onClick={() => setSettings({ ...settings, autoCreateTasks: !settings.autoCreateTasks })}
-            className={`relative inline-flex h-6 w-11 items-center rounded-full transition-colors ${
-              settings.autoCreateTasks ? 'bg-blue-600' : 'bg-slate-200'
-            }`}
-          >
-            <span
-              className={`inline-block h-4 w-4 transform rounded-full bg-white transition-transform ${
-                settings.autoCreateTasks ? 'translate-x-6' : 'translate-x-1'
-              }`}
-            />
-          </button>
-        </div>
-
-        {/* Model Selection */}
-        <div>
-          <label className="block text-sm font-medium text-slate-700 mb-2">Analyse-Modell</label>
-          <select
-            value={settings.analysisModel}
-            onChange={(e) => setSettings({ ...settings, analysisModel: e.target.value })}
-            className="w-full md:w-64 px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500"
-          >
-            <option value="breakpilot-teacher-8b">BreakPilot Teacher 8B (schnell)</option>
-            <option value="breakpilot-teacher-70b">BreakPilot Teacher 70B (genau)</option>
-            <option value="llama-3.1-8b-instruct">Llama 3.1 8B Instruct</option>
-          </select>
-        </div>
-
-        {/* Confidence Threshold */}
-        <div>
-          <label className="block text-sm font-medium text-slate-700 mb-2">
-            Konfidenz-Schwelle: {Math.round(settings.confidenceThreshold * 100)}%
-          </label>
-          <input
-            type="range"
-            min="0.5"
-            max="0.95"
-            step="0.05"
-            value={settings.confidenceThreshold}
-            onChange={(e) => setSettings({ ...settings, confidenceThreshold: parseFloat(e.target.value) })}
-            className="w-full md:w-64"
-          />
-          <p className="text-xs text-slate-500 mt-1">
-            Mindest-Konfidenz fuer automatische Aufgabenerstellung
-          </p>
-        </div>
-      </div>
-
-      {/* Sender Classification */}
-      <div className="bg-white rounded-lg border border-slate-200 p-6">
-        <h3 className="text-sm font-medium text-slate-700 mb-4">Bekannte Absender (Niedersachsen)</h3>
-        <div className="grid grid-cols-2 md:grid-cols-3 gap-3">
-          {[
-            { domain: '@mk.niedersachsen.de', type: 'Kultusministerium', priority: 'Hoch' },
-            { domain: '@rlsb.de', type: 'RLSB', priority: 'Hoch' },
-            { domain: '@landesschulbehoerde-nds.de', type: 'Landesschulbehoerde', priority: 'Hoch' },
-            { domain: '@nibis.de', type: 'NiBiS', priority: 'Mittel' },
-            { domain: '@schultraeger.de', type: 'Schultraeger', priority: 'Mittel' },
-          ].map((sender) => (
-            <div key={sender.domain} className="p-3 bg-slate-50 rounded-lg">
-              <p className="text-sm font-mono text-slate-700">{sender.domain}</p>
-              <p className="text-xs text-slate-500">{sender.type}</p>
-              <span className={`text-xs px-2 py-0.5 rounded ${
-                sender.priority === 'Hoch' ? 'bg-red-100 text-red-700' : 'bg-yellow-100 text-yellow-700'
-              }`}>
-                {sender.priority}
-              </span>
-            </div>
-          ))}
-        </div>
-      </div>
-    </div>
-  )
-}
-
-// ============================================================================
-// Templates Tab
-// ============================================================================
-
-function TemplatesTab() {
-  const [templates] = useState([
-    { id: '1', name: 'Eingangsbestaetigung', category: 'Standard', usageCount: 45 },
-    { id: '2', name: 'Terminbestaetigung', category: 'Termine', usageCount: 23 },
-    { id: '3', name: 'Elternbrief-Vorlage', category: 'Eltern', usageCount: 67 },
-  ])
-
-  return (
-    <div className="space-y-6">
-      <div className="flex items-center justify-between">
-        <div>
-          <h2 className="text-lg font-semibold text-slate-900">E-Mail-Vorlagen</h2>
-          <p className="text-sm text-slate-500">Verwalten Sie Antwort-Templates</p>
-        </div>
-        <button className="px-4 py-2 text-sm font-medium text-white bg-blue-600 rounded-lg hover:bg-blue-700 flex items-center gap-2">
-          <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 6v6m0 0v6m0-6h6m-6 0H6" />
-          </svg>
-          Vorlage erstellen
-        </button>
-      </div>
-
-      <div className="bg-white rounded-lg border border-slate-200 overflow-hidden">
-        <table className="min-w-full divide-y divide-slate-200">
-          <thead className="bg-slate-50">
-            <tr>
-              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Name</th>
-              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Kategorie</th>
-              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Verwendet</th>
-              <th className="px-6 py-3 text-right text-xs font-medium text-slate-500 uppercase">Aktionen</th>
-            </tr>
-          </thead>
-          <tbody className="divide-y divide-slate-200">
-            {templates.map((template) => (
-              <tr key={template.id} className="hover:bg-slate-50">
-                <td className="px-6 py-4 text-sm font-medium text-slate-900">{template.name}</td>
-                <td className="px-6 py-4">
-                  <span className="px-2 py-1 bg-slate-100 text-slate-700 text-xs rounded">{template.category}</span>
-                </td>
-                <td className="px-6 py-4 text-sm text-slate-500">{template.usageCount}x</td>
-                <td className="px-6 py-4 text-right">
-                  <button className="text-blue-600 hover:text-blue-800 text-sm font-medium">Bearbeiten</button>
-                </td>
-              </tr>
-            ))}
-          </tbody>
-        </table>
-      </div>
-    </div>
-  )
-}
-
-// ============================================================================
-// Audit Log Tab
-// ============================================================================
-
-function AuditLogTab() {
-  const [logs] = useState([
-    { id: '1', action: 'account_created', user: 'admin@breakpilot.de', timestamp: new Date().toISOString(), details: 'Konto schulleitung@example.de hinzugefuegt' },
-    { id: '2', action: 'email_analyzed', user: 'system', timestamp: new Date(Date.now() - 3600000).toISOString(), details: '5 E-Mails analysiert' },
-    { id: '3', action: 'task_created', user: 'system', timestamp: new Date(Date.now() - 7200000).toISOString(), details: 'Aufgabe aus Fristenerkennung erstellt' },
-  ])
-
-  const actionLabels: Record<string, string> = {
-    account_created: 'Konto erstellt',
-    email_analyzed: 'E-Mail analysiert',
-    task_created: 'Aufgabe erstellt',
-    sync_completed: 'Sync abgeschlossen',
-  }
-
-  return (
-    <div className="space-y-6">
-      <div>
-        <h2 className="text-lg font-semibold text-slate-900">Audit-Log</h2>
-        <p className="text-sm text-slate-500">Alle Aktionen im Mail-System</p>
-      </div>
-
-      <div className="bg-white rounded-lg border border-slate-200 overflow-hidden">
-        <table className="min-w-full divide-y divide-slate-200">
-          <thead className="bg-slate-50">
-            <tr>
-              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Zeit</th>
-              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Aktion</th>
-              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Benutzer</th>
-              <th className="px-6 py-3 text-left text-xs font-medium text-slate-500 uppercase">Details</th>
-            </tr>
-          </thead>
-          <tbody className="divide-y divide-slate-200">
-            {logs.map((log) => (
-              <tr key={log.id} className="hover:bg-slate-50">
-                <td className="px-6 py-4 text-sm text-slate-500">
-                  {new Date(log.timestamp).toLocaleString('de-DE')}
-                </td>
-                <td className="px-6 py-4">
-                  <span className="px-2 py-1 bg-blue-100 text-blue-700 text-xs rounded font-medium">
-                    {actionLabels[log.action] || log.action}
-                  </span>
-                </td>
-                <td className="px-6 py-4 text-sm text-slate-700">{log.user}</td>
-                <td className="px-6 py-4 text-sm text-slate-500">{log.details}</td>
-              </tr>
-            ))}
-          </tbody>
-        </table>
-      </div>
+      {activeTab === 'ai-settings' && <AISettingsTab />}
+      {activeTab === 'templates' && <TemplatesTab />}
+      {activeTab === 'logs' && <AuditLogTab />}
     </div>
   )
 }

admin-lehrer/app/(admin)/communication/mail/types.ts

@@ -0,0 +1,50 @@
+/**
+ * Types and constants for the Unified Inbox Mail Admin Page
+ */
+
+// API Base URL for backend operations (accounts, sync, etc.)
+export const API_BASE = process.env.NEXT_PUBLIC_KLAUSUR_SERVICE_URL || 'http://macmini:8086'
+
+export interface EmailAccount {
+  id: string
+  email: string
+  displayName: string
+  imapHost: string
+  imapPort: number
+  smtpHost: string
+  smtpPort: number
+  status: 'active' | 'inactive' | 'error' | 'syncing'
+  lastSync: string | null
+  emailCount: number
+  unreadCount: number
+  createdAt: string
+}
+
+export interface MailStats {
+  totalAccounts: number
+  activeAccounts: number
+  totalEmails: number
+  unreadEmails: number
+  totalTasks: number
+  pendingTasks: number
+  overdueTasks: number
+  aiAnalyzedCount: number
+  lastSyncTime: string | null
+}
+
+export interface SyncStatus {
+  running: boolean
+  accountsInProgress: string[]
+  lastCompleted: string | null
+  errors: string[]
+}
+
+export type TabId = 'overview' | 'accounts' | 'ai-settings' | 'templates' | 'logs'
+
+export const tabs: { id: TabId; name: string }[] = [
+  { id: 'overview', name: 'Uebersicht' },
+  { id: 'accounts', name: 'Konten' },
+  { id: 'ai-settings', name: 'KI-Einstellungen' },
+  { id: 'templates', name: 'Vorlagen' },
+  { id: 'logs', name: 'Audit-Log' },
+]

admin-lehrer/app/(admin)/communication/mail/useMailData.ts

@@ -0,0 +1,61 @@
+'use client'
+
+import { useState, useEffect, useCallback } from 'react'
+import type { EmailAccount, MailStats, SyncStatus } from './types'
+
+export interface UseMailDataReturn {
+  stats: MailStats | null
+  accounts: EmailAccount[]
+  syncStatus: SyncStatus | null
+  loading: boolean
+  error: string | null
+  fetchData: () => Promise<void>
+}
+
+export function useMailData(): UseMailDataReturn {
+  const [stats, setStats] = useState<MailStats | null>(null)
+  const [accounts, setAccounts] = useState<EmailAccount[]>([])
+  const [syncStatus, setSyncStatus] = useState<SyncStatus | null>(null)
+  const [loading, setLoading] = useState(true)
+  const [error, setError] = useState<string | null>(null)
+
+  const fetchData = useCallback(async () => {
+    try {
+      setLoading(true)
+
+      // Fetch stats via our proxy API (avoids CORS/mixed-content issues)
+      const response = await fetch('/api/admin/mail')
+
+      if (response.ok) {
+        const data = await response.json()
+        setStats(data.stats)
+        setAccounts(data.accounts)
+        setSyncStatus(data.syncStatus)
+        setError(null)
+      } else {
+        const errorData = await response.json().catch(() => ({}))
+        throw new Error(errorData.details || `API returned ${response.status}`)
+      }
+    } catch (err) {
+      console.error('Failed to fetch mail data:', err)
+      setError('Verbindung zum Mail-Service (Mailpit) fehlgeschlagen. Laeuft Mailpit auf Port 8025?')
+    } finally {
+      setLoading(false)
+    }
+  }, [])
+
+  useEffect(() => {
+    fetchData()
+
+    // Refresh every 10 seconds if syncing
+    const interval = setInterval(() => {
+      if (syncStatus?.running) {
+        fetchData()
+      }
+    }, 10000)
+
+    return () => clearInterval(interval)
+  }, [fetchData, syncStatus?.running])
+
+  return { stats, accounts, syncStatus, loading, error, fetchData }
+}

admin-lehrer/app/(admin)/development/brandbook/_components/ColorSwatch.tsx

@@ -0,0 +1,35 @@
+'use client'
+
+import { useState } from 'react'
+import type { ColorShade } from '../constants'
+
+export function ColorSwatch({ color }: { color: ColorShade }) {
+  const [copied, setCopied] = useState(false)
+
+  const copyToClipboard = () => {
+    navigator.clipboard.writeText(color.value)
+    setCopied(true)
+    setTimeout(() => setCopied(false), 2000)
+  }
+
+  return (
+    <button
+      onClick={copyToClipboard}
+      className="group flex flex-col items-center"
+      title={`Klicken zum Kopieren: ${color.value}`}
+    >
+      <div
+        className="w-16 h-16 rounded-xl shadow-sm border border-slate-200 transition-transform group-hover:scale-110 flex items-center justify-center"
+        style={{ backgroundColor: color.value }}
+      >
+        {copied && (
+          <svg className={`w-5 h-5 ${color.text === 'light' ? 'text-white' : 'text-slate-900'}`} fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
+          </svg>
+        )}
+      </div>
+      <span className="text-xs text-slate-600 mt-1 font-medium">{color.name}</span>
+      <span className="text-xs text-slate-400 font-mono">{color.value}</span>
+    </button>
+  )
+}

admin-lehrer/app/(admin)/development/brandbook/_components/ColorsTab.tsx

@@ -0,0 +1,123 @@
+'use client'
+
+import {
+  PRIMARY_COLORS,
+  ACCENT_COLORS,
+  CATEGORY_COLORS,
+  SEMANTIC_COLORS,
+} from '../constants'
+import { ColorSwatch } from './ColorSwatch'
+
+export function ColorsTab() {
+  return (
+    <div className="space-y-6">
+      {/* Primary Color */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-2">{PRIMARY_COLORS.name}</h3>
+        <p className="text-sm text-slate-500 mb-4">{PRIMARY_COLORS.description}</p>
+        <div className="flex gap-4 flex-wrap">
+          {PRIMARY_COLORS.shades.map((shade) => (
+            <ColorSwatch key={shade.name} color={shade} />
+          ))}
+        </div>
+      </div>
+
+      {/* Accent Color */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-2">{ACCENT_COLORS.name}</h3>
+        <p className="text-sm text-slate-500 mb-4">{ACCENT_COLORS.description}</p>
+        <div className="flex gap-4 flex-wrap">
+          {ACCENT_COLORS.shades.map((shade) => (
+            <ColorSwatch key={shade.name} color={shade} />
+          ))}
+        </div>
+        {/* Logo Gradient Preview */}
+        <div className="mt-6 pt-4 border-t border-slate-200">
+          <h4 className="text-sm font-medium text-slate-700 mb-3">Logo-Gradient</h4>
+          <div className="flex items-center gap-4">
+            <div className="w-16 h-16 rounded-xl flex items-center justify-center" style={{ background: 'linear-gradient(to bottom right, #0ea5e9, #d946ef)' }}>
+              <span className="text-2xl font-bold text-white">B</span>
+            </div>
+            <div className="text-sm text-slate-600">
+              <code className="bg-slate-100 px-2 py-1 rounded font-mono text-xs">
+                bg-gradient-to-br from-primary-500 to-accent-500
+              </code>
+              <p className="mt-1 text-slate-500">Sky Blue (#0ea5e9) → Fuchsia (#d946ef)</p>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      {/* Category Colors */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Kategorie-Farben</h3>
+        <p className="text-sm text-slate-500 mb-6">
+          Jede Kategorie hat eine eigene Farbe fuer Navigation, Module und Akzente.
+        </p>
+        <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
+          {CATEGORY_COLORS.map((cat) => (
+            <div key={cat.id} className="border border-slate-200 rounded-xl p-4">
+              <div className="flex items-center gap-3 mb-3">
+                <div
+                  className="w-8 h-8 rounded-lg"
+                  style={{ backgroundColor: cat.main }}
+                />
+                <div>
+                  <h4 className="font-medium text-slate-900">{cat.name}</h4>
+                  <p className="text-xs text-slate-500">{cat.description}</p>
+                </div>
+              </div>
+              <div className="flex gap-2">
+                {cat.shades.map((shade) => (
+                  <ColorSwatch key={shade.name} color={shade} />
+                ))}
+              </div>
+            </div>
+          ))}
+        </div>
+      </div>
+
+      {/* Semantic Colors */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Semantische Farben</h3>
+        <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-4 gap-4">
+          {Object.entries(SEMANTIC_COLORS).map(([key, palette]) => (
+            <div key={key} className="border border-slate-200 rounded-xl p-4">
+              <h4 className="font-medium text-slate-900 mb-3">{palette.name}</h4>
+              <div className="flex gap-2">
+                {palette.shades.map((shade) => (
+                  <ColorSwatch key={shade.name} color={shade} />
+                ))}
+              </div>
+            </div>
+          ))}
+        </div>
+      </div>
+
+      {/* Usage Guidelines */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Verwendungsrichtlinien</h3>
+        <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
+          <div>
+            <h4 className="font-medium text-slate-700 mb-2">Primary (Sky Blue)</h4>
+            <ul className="text-sm text-slate-600 space-y-1">
+              <li>- Primaere Buttons und CTAs</li>
+              <li>- Links und interaktive Elemente</li>
+              <li>- Fokuszustaende</li>
+              <li>- Ausgewaehlte Navigation</li>
+            </ul>
+          </div>
+          <div>
+            <h4 className="font-medium text-slate-700 mb-2">Kategorie-Farben</h4>
+            <ul className="text-sm text-slate-600 space-y-1">
+              <li>- Sidebar-Navigation Icons</li>
+              <li>- Modul-Cards und Badges</li>
+              <li>- Bereichs-spezifische Akzente</li>
+              <li>- Breadcrumbs und Headers</li>
+            </ul>
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/development/brandbook/_components/ComponentsTab.tsx

@@ -0,0 +1,176 @@
+'use client'
+
+import { CATEGORY_COLORS } from '../constants'
+
+export function ComponentsTab() {
+  return (
+    <div className="space-y-6">
+      {/* Buttons */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Buttons</h3>
+        <div className="flex flex-wrap gap-4 mb-6">
+          <button className="px-6 py-2 bg-primary-600 text-white font-medium rounded-lg hover:bg-primary-700 transition-colors">
+            Primary
+          </button>
+          <button className="px-6 py-2 bg-slate-100 text-slate-700 font-medium rounded-lg hover:bg-slate-200 transition-colors">
+            Secondary
+          </button>
+          <button className="px-6 py-2 border border-slate-300 text-slate-700 font-medium rounded-lg hover:bg-slate-50 transition-colors">
+            Outline
+          </button>
+          <button className="px-6 py-2 text-primary-600 font-medium rounded-lg hover:bg-primary-50 transition-colors">
+            Ghost
+          </button>
+          <button className="px-6 py-2 bg-red-600 text-white font-medium rounded-lg hover:bg-red-700 transition-colors">
+            Danger
+          </button>
+        </div>
+        <div className="flex flex-wrap gap-4">
+          <button className="px-4 py-1.5 bg-primary-600 text-white text-sm font-medium rounded-lg">
+            Small
+          </button>
+          <button className="px-6 py-2 bg-primary-600 text-white font-medium rounded-lg">
+            Medium
+          </button>
+          <button className="px-8 py-3 bg-primary-600 text-white text-lg font-medium rounded-lg">
+            Large
+          </button>
+        </div>
+      </div>
+
+      {/* Inputs */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Eingabefelder</h3>
+        <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-1">Standard Input</label>
+            <input
+              type="text"
+              placeholder="Placeholder..."
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-primary-500 outline-none"
+            />
+          </div>
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-1">Mit Icon</label>
+            <div className="relative">
+              <input
+                type="text"
+                placeholder="Suchen..."
+                className="w-full pl-10 pr-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500 focus:border-primary-500 outline-none"
+              />
+              <svg className="w-5 h-5 text-slate-400 absolute left-3 top-2.5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z" />
+              </svg>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      {/* Cards */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Cards</h3>
+        <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
+          <div className="bg-white rounded-xl border border-slate-200 p-4 hover:shadow-lg hover:border-primary-300 transition-all cursor-pointer">
+            <div className="w-10 h-10 bg-primary-100 rounded-lg flex items-center justify-center mb-3">
+              <svg className="w-5 h-5 text-primary-600" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 10V3L4 14h7v7l9-11h-7z" />
+              </svg>
+            </div>
+            <h4 className="font-semibold text-slate-900 mb-1">Feature Card</h4>
+            <p className="text-sm text-slate-600">Standard Card mit Hover-Effekt.</p>
+          </div>
+          <div className="rounded-xl p-4 text-white" style={{ background: 'linear-gradient(to bottom right, #0ea5e9, #d946ef)' }}>
+            <h4 className="font-semibold mb-1">Highlight Card</h4>
+            <p className="text-sm text-white/80">Mit Gradient-Hintergrund.</p>
+          </div>
+          <div className="bg-slate-900 rounded-xl p-4 text-white">
+            <h4 className="font-semibold mb-1">Dark Card</h4>
+            <p className="text-sm text-slate-400">Sidebar-Style.</p>
+          </div>
+        </div>
+      </div>
+
+      {/* Category Cards */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Kategorie-Cards</h3>
+        <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
+          {CATEGORY_COLORS.slice(0, 3).map((cat) => (
+            <div
+              key={cat.id}
+              className="rounded-xl border p-4 hover:shadow-lg transition-all cursor-pointer"
+              style={{
+                borderColor: cat.shades[0].value,
+                backgroundColor: cat.shades[0].value + '40'
+              }}
+            >
+              <div
+                className="w-10 h-10 rounded-lg flex items-center justify-center mb-3"
+                style={{ backgroundColor: cat.main }}
+              >
+                <svg className="w-5 h-5 text-white" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12l2 2 4-4m5.618-4.016A11.955 11.955 0 0112 2.944a11.955 11.955 0 01-8.618 3.04A12.02 12.02 0 003 9c0 5.591 3.824 10.29 9 11.622 5.176-1.332 9-6.03 9-11.622 0-1.042-.133-2.052-.382-3.016z" />
+                </svg>
+              </div>
+              <h4 className="font-semibold text-slate-900 mb-1">{cat.name.split(' (')[0]}</h4>
+              <p className="text-sm text-slate-600">{cat.description}</p>
+            </div>
+          ))}
+        </div>
+      </div>
+
+      {/* Badges */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Badges & Tags</h3>
+        <div className="flex flex-wrap gap-2 mb-4">
+          <span className="px-2.5 py-1 bg-primary-100 text-primary-700 text-xs font-medium rounded-full">Primary</span>
+          <span className="px-2.5 py-1 bg-green-100 text-green-700 text-xs font-medium rounded-full">Success</span>
+          <span className="px-2.5 py-1 bg-amber-100 text-amber-700 text-xs font-medium rounded-full">Warning</span>
+          <span className="px-2.5 py-1 bg-red-100 text-red-700 text-xs font-medium rounded-full">Danger</span>
+          <span className="px-2.5 py-1 bg-slate-100 text-slate-700 text-xs font-medium rounded-full">Neutral</span>
+        </div>
+        <h4 className="font-medium text-slate-700 mb-2 mt-4">Kategorie-Badges</h4>
+        <div className="flex flex-wrap gap-2">
+          {CATEGORY_COLORS.map((cat) => (
+            <span
+              key={cat.id}
+              className="px-2.5 py-1 text-xs font-medium rounded-full"
+              style={{
+                backgroundColor: cat.shades[0].value,
+                color: cat.shades[3].value
+              }}
+            >
+              {cat.name.split(' (')[0]}
+            </span>
+          ))}
+        </div>
+      </div>
+
+      {/* Border Radius */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Border Radius</h3>
+        <div className="flex gap-6 items-end">
+          <div className="text-center">
+            <div className="w-16 h-16 bg-primary-500 rounded"></div>
+            <span className="text-xs text-slate-500 mt-2 block">rounded (4px)</span>
+          </div>
+          <div className="text-center">
+            <div className="w-16 h-16 bg-primary-500 rounded-lg"></div>
+            <span className="text-xs text-slate-500 mt-2 block">rounded-lg (8px)</span>
+          </div>
+          <div className="text-center">
+            <div className="w-16 h-16 bg-primary-500 rounded-xl"></div>
+            <span className="text-xs text-slate-500 mt-2 block">rounded-xl (12px)</span>
+          </div>
+          <div className="text-center">
+            <div className="w-16 h-16 bg-primary-500 rounded-2xl"></div>
+            <span className="text-xs text-slate-500 mt-2 block">rounded-2xl (16px)</span>
+          </div>
+          <div className="text-center">
+            <div className="w-16 h-16 bg-primary-500 rounded-full"></div>
+            <span className="text-xs text-slate-500 mt-2 block">rounded-full</span>
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/development/brandbook/_components/LogoTab.tsx

@@ -0,0 +1,269 @@
+'use client'
+
+function LogoDisplay() {
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+      <h3 className="text-lg font-semibold text-slate-900 mb-4">Logo</h3>
+      <div className="grid grid-cols-1 md:grid-cols-2 gap-8">
+        <div className="bg-white border border-slate-200 rounded-xl p-8 flex items-center justify-center">
+          <div className="flex items-center gap-3">
+            <div className="w-12 h-12 rounded-xl flex items-center justify-center" style={{ background: 'linear-gradient(to bottom right, #0ea5e9, #d946ef)' }}>
+              <span className="text-2xl font-bold text-white">B</span>
+            </div>
+            <div>
+              <span className="text-2xl font-bold text-slate-900">BreakPilot</span>
+              <span className="text-sm text-slate-500 block">Admin v2</span>
+            </div>
+          </div>
+        </div>
+        <div className="bg-slate-900 rounded-xl p-8 flex items-center justify-center">
+          <div className="flex items-center gap-3">
+            <div className="w-12 h-12 rounded-xl flex items-center justify-center" style={{ background: 'linear-gradient(to bottom right, #38bdf8, #e879f9)' }}>
+              <span className="text-2xl font-bold text-white">B</span>
+            </div>
+            <div>
+              <span className="text-2xl font-bold text-white">BreakPilot</span>
+              <span className="text-sm text-slate-400 block">Admin v2</span>
+            </div>
+          </div>
+        </div>
+      </div>
+      {/* Gradient Info */}
+      <div className="mt-6 pt-4 border-t border-slate-200">
+        <div className="flex items-center gap-4">
+          <code className="bg-slate-100 px-3 py-1.5 rounded-lg font-mono text-xs text-slate-700">
+            background: linear-gradient(to bottom right, #0ea5e9, #d946ef)
+          </code>
+          <span className="text-sm text-slate-500">Primary → Accent (Sky Blue → Fuchsia)</span>
+        </div>
+      </div>
+    </div>
+  )
+}
+
+function LogoVariations() {
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+      <h3 className="text-lg font-semibold text-slate-900 mb-4">Logo-Varianten</h3>
+      <div className="grid grid-cols-2 md:grid-cols-4 gap-4">
+        <div className="border border-slate-200 rounded-xl p-4 flex flex-col items-center gap-2">
+          <div className="w-12 h-12 rounded-xl flex items-center justify-center" style={{ background: 'linear-gradient(to bottom right, #0ea5e9, #d946ef)' }}>
+            <span className="text-2xl font-bold text-white">B</span>
+          </div>
+          <span className="text-xs text-slate-600">Icon Only</span>
+        </div>
+        <div className="border border-slate-200 rounded-xl p-4 flex flex-col items-center gap-2">
+          <span className="text-xl font-bold text-slate-900">BreakPilot</span>
+          <span className="text-xs text-slate-600">Text Only</span>
+        </div>
+        <div className="border border-slate-200 rounded-xl p-4 flex flex-col items-center gap-2">
+          <div className="flex items-center gap-2">
+            <div className="w-8 h-8 rounded-lg flex items-center justify-center" style={{ background: 'linear-gradient(to bottom right, #0ea5e9, #d946ef)' }}>
+              <span className="text-lg font-bold text-white">B</span>
+            </div>
+            <span className="text-lg font-bold text-slate-900">BreakPilot</span>
+          </div>
+          <span className="text-xs text-slate-600">Horizontal</span>
+        </div>
+        <div className="border border-slate-200 rounded-xl p-4 flex flex-col items-center gap-2">
+          <div className="flex flex-col items-center">
+            <div className="w-10 h-10 rounded-xl flex items-center justify-center mb-1" style={{ background: 'linear-gradient(to bottom right, #0ea5e9, #d946ef)' }}>
+              <span className="text-xl font-bold text-white">B</span>
+            </div>
+            <span className="text-sm font-bold text-slate-900">BreakPilot</span>
+          </div>
+          <span className="text-xs text-slate-600">Stacked</span>
+        </div>
+      </div>
+    </div>
+  )
+}
+
+function FaviconSizes() {
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+      <h3 className="text-lg font-semibold text-slate-900 mb-4">Favicon & App Icon</h3>
+      <div className="flex gap-6 items-end">
+        {[
+          { size: 'w-8 h-8', rounded: 'rounded', text: 'text-sm', label: '16x16' },
+          { size: 'w-12 h-12', rounded: 'rounded-lg', text: 'text-xl', label: '32x32' },
+          { size: 'w-16 h-16', rounded: 'rounded-xl', text: 'text-2xl', label: '180x180' },
+          { size: 'w-24 h-24', rounded: 'rounded-2xl', text: 'text-4xl', label: '512x512' },
+        ].map((icon) => (
+          <div key={icon.label} className="text-center">
+            <div className={`${icon.size} ${icon.rounded} flex items-center justify-center`} style={{ background: 'linear-gradient(to bottom right, #0ea5e9, #d946ef)' }}>
+              <span className={`${icon.text} font-bold text-white`}>B</span>
+            </div>
+            <span className="text-xs text-slate-500 mt-2 block">{icon.label}</span>
+          </div>
+        ))}
+      </div>
+    </div>
+  )
+}
+
+function LogoDonts() {
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+      <h3 className="text-lg font-semibold text-slate-900 mb-4">Nicht erlaubt</h3>
+      <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
+        <div className="border border-red-200 bg-red-50 rounded-xl p-4 text-center">
+          <div className="flex items-center gap-2 justify-center opacity-50">
+            <div className="w-8 h-8 bg-red-500 rounded-lg flex items-center justify-center">
+              <span className="text-lg font-bold text-white">B</span>
+            </div>
+            <span className="text-lg font-bold text-red-500">BreakPilot</span>
+          </div>
+          <span className="text-xs text-red-600 mt-2 block">Falsche Farben</span>
+        </div>
+        <div className="border border-red-200 bg-red-50 rounded-xl p-4 text-center">
+          <div className="flex items-center gap-2 justify-center" style={{ transform: 'skewX(-10deg)' }}>
+            <div className="w-8 h-8 rounded-lg flex items-center justify-center" style={{ background: 'linear-gradient(to bottom right, #0ea5e9, #d946ef)' }}>
+              <span className="text-lg font-bold text-white">B</span>
+            </div>
+            <span className="text-lg font-bold text-slate-900">BreakPilot</span>
+          </div>
+          <span className="text-xs text-red-600 mt-2 block">Verzerrt</span>
+        </div>
+        <div className="border border-red-200 bg-red-50 rounded-xl p-4 text-center">
+          <div className="flex items-center gap-2 justify-center">
+            <div className="w-8 h-8 rounded-lg flex items-center justify-center" style={{ background: 'linear-gradient(to bottom right, #0ea5e9, #d946ef)' }}>
+              <span className="text-lg font-bold text-white">B</span>
+            </div>
+            <span className="text-lg font-bold text-slate-900">Break Pilot</span>
+          </div>
+          <span className="text-xs text-red-600 mt-2 block">Falsche Schreibweise</span>
+        </div>
+      </div>
+    </div>
+  )
+}
+
+function StudioLogo() {
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+      <h3 className="text-lg font-semibold text-slate-900 mb-2">Studio Logo (BP mit Fluegeln)</h3>
+      <p className="text-sm text-slate-500 mb-6">
+        Das Studio-Logo verwendet ein rotes Farbschema und zeigt &quot;BP&quot; mit stilisierten Fluegeln.
+        Es gibt drei Design-Varianten fuer unterschiedliche Anwendungsfaelle.
+      </p>
+
+      {/* Variante A: Cupertino Clean */}
+      <div className="mb-6 p-4 bg-slate-50 rounded-xl">
+        <h4 className="font-medium text-slate-700 mb-4">A: Cupertino Clean</h4>
+        <div className="flex items-center gap-8">
+          <div className="flex items-center gap-3">
+            <div className="w-12 h-12 relative">
+              <div className="absolute inset-0 rounded-xl shadow-lg" style={{ background: 'linear-gradient(to bottom right, #ef4444, #b91c1c)' }} />
+              <div className="absolute inset-0 flex items-center justify-center">
+                <svg viewBox="0 0 40 40" className="w-9 h-9">
+                  <circle cx="20" cy="20" r="14" fill="rgba(255,255,255,0.15)" />
+                  <text x="20" y="26" textAnchor="middle" fill="white" fontSize="16" fontWeight="bold" fontFamily="system-ui">BP</text>
+                  <path d="M6 22 L12 20 M28 20 L34 22" stroke="rgba(255,255,255,0.5)" strokeWidth="1.5" strokeLinecap="round" />
+                </svg>
+              </div>
+            </div>
+            <div>
+              <span className="font-semibold text-slate-900 text-lg">Break<span className="text-red-600">Pilot</span></span>
+              <span className="text-slate-400 text-sm block">Studio</span>
+            </div>
+          </div>
+          <div className="text-sm text-slate-600">
+            <code className="bg-white px-2 py-1 rounded font-mono text-xs">#ef4444 → #b91c1c</code>
+            <p className="mt-1 text-slate-500">Minimalistisch, SF-Style, BP mit Fluegel-Linien</p>
+          </div>
+        </div>
+      </div>
+
+      {/* Variante B: Glassmorphism Pro */}
+      <div className="mb-6 p-4 rounded-xl" style={{ background: 'linear-gradient(to bottom right, #312e81, #581c87, #831843)' }}>
+        <h4 className="font-medium text-white/80 mb-4">B: Glassmorphism Pro</h4>
+        <div className="flex items-center gap-8">
+          <div className="flex items-center gap-4">
+            <div className="w-12 h-12 relative">
+              <div className="absolute inset-0 rounded-2xl blur-md opacity-50" style={{ background: 'linear-gradient(to bottom right, #f87171, #dc2626)' }} />
+              <div className="absolute inset-0 rounded-2xl border border-white/20 shadow-xl" style={{ background: 'linear-gradient(to bottom right, rgba(248,113,113,0.9), rgba(220,38,38,0.9))' }} />
+              <div className="absolute inset-0 flex items-center justify-center">
+                <svg viewBox="0 0 40 40" className="w-9 h-9">
+                  <path d="M10 28 L20 8 L30 28 L20 22 Z" fill="rgba(255,255,255,0.9)" />
+                  <path d="M14 24 L20 12 L26 24 L20 20 Z" fill="rgba(255,255,255,0.3)" />
+                </svg>
+              </div>
+            </div>
+            <div>
+              <span className="font-semibold text-white text-lg">BreakPilot</span>
+              <span className="text-white/60 text-sm block">Studio</span>
+            </div>
+          </div>
+          <div className="text-sm text-white/70">
+            <code className="bg-white/10 px-2 py-1 rounded font-mono text-xs">#f87171 → #dc2626</code>
+            <p className="mt-1 text-white/50">Glassmorphism, Glow-Effekt, Papierflugzeug-Silhouette</p>
+          </div>
+        </div>
+      </div>
+
+      {/* Variante C: Bento Style */}
+      <div className="mb-6 p-4 bg-black rounded-xl">
+        <h4 className="font-medium text-white/80 mb-4">C: Bento Style</h4>
+        <div className="flex items-center gap-8">
+          <div className="flex items-center gap-4">
+            <div className="w-12 h-12 relative">
+              <div className="absolute inset-0 rounded-xl" style={{ background: 'linear-gradient(to bottom right, #ef4444, #991b1b)' }} />
+              <div className="absolute inset-0 flex items-center justify-center">
+                <svg viewBox="0 0 40 40" className="w-9 h-9">
+                  <circle cx="15" cy="14" r="5" stroke="white" strokeWidth="1.5" fill="none" />
+                  <circle cx="15" cy="24" r="5" stroke="white" strokeWidth="1.5" fill="none" />
+                  <line x1="27" y1="10" x2="27" y2="30" stroke="white" strokeWidth="1.5" strokeLinecap="round" />
+                  <circle cx="27" cy="15" r="4" stroke="white" strokeWidth="1.5" fill="none" />
+                </svg>
+              </div>
+            </div>
+            <div>
+              <span className="font-semibold text-white text-lg">BreakPilot</span>
+              <span className="text-white/40 text-sm ml-2">Studio</span>
+            </div>
+          </div>
+          <div className="text-sm text-white/70">
+            <code className="bg-white/10 px-2 py-1 rounded font-mono text-xs">#ef4444 → #991b1b</code>
+            <p className="mt-1 text-white/50">Geometrisch, Monoweight, B+P als Kreise/Linien</p>
+          </div>
+        </div>
+      </div>
+
+      {/* Studio Farbpalette */}
+      <div className="pt-4 border-t border-slate-200">
+        <h4 className="text-sm font-medium text-slate-700 mb-3">Studio Farbpalette (Rot)</h4>
+        <div className="flex gap-3">
+          {[
+            { bg: '#fef2f2', label: 'red-50' },
+            { bg: '#f87171', label: 'red-400' },
+            { bg: '#ef4444', label: 'red-500' },
+            { bg: '#dc2626', label: 'red-600' },
+            { bg: '#b91c1c', label: 'red-700' },
+            { bg: '#991b1b', label: 'red-800' },
+          ].map((swatch) => (
+            <div key={swatch.label} className="text-center">
+              <div className="w-12 h-12 rounded-lg" style={{ backgroundColor: swatch.bg }} />
+              <span className="text-xs text-slate-500 mt-1 block">{swatch.label}</span>
+            </div>
+          ))}
+        </div>
+        <p className="text-xs text-slate-500 mt-3">
+          Quelle: <code className="bg-slate-100 px-1.5 py-0.5 rounded">/studio-v2/components/Logo.tsx</code>
+        </p>
+      </div>
+    </div>
+  )
+}
+
+export function LogoTab() {
+  return (
+    <div className="space-y-6">
+      <LogoDisplay />
+      <LogoVariations />
+      <FaviconSizes />
+      <LogoDonts />
+      <StudioLogo />
+    </div>
+  )
+}

admin-lehrer/app/(admin)/development/brandbook/_components/TypographyTab.tsx

@@ -0,0 +1,173 @@
+'use client'
+
+import { TYPOGRAPHY, SPACING } from '../constants'
+
+export function TypographyTab() {
+  return (
+    <div className="space-y-6">
+      {/* Font Family */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Schriftart: Inter</h3>
+        <div className="bg-slate-50 rounded-lg p-4 font-mono text-sm text-slate-600 mb-4">
+          font-family: {TYPOGRAPHY.fontFamily};
+        </div>
+        <p className="text-sm text-slate-600">
+          Inter ist eine moderne, variable Sans-Serif Schrift, optimiert fuer Bildschirme.
+          Sie ist unter der SIL Open Font License verfuegbar und frei fuer kommerzielle Nutzung.
+        </p>
+      </div>
+
+      {/* Font Licenses */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Lizenzen</h3>
+        <div className="space-y-4">
+          {/* Inter License */}
+          <div className="border border-slate-200 rounded-xl p-4">
+            <div className="flex items-start justify-between mb-2">
+              <div>
+                <h4 className="font-semibold text-slate-900">Inter Font</h4>
+                <p className="text-sm text-slate-500">Designer: Rasmus Andersson</p>
+              </div>
+              <span className="px-2.5 py-1 bg-green-100 text-green-700 text-xs font-medium rounded-full">
+                OFL-1.1
+              </span>
+            </div>
+            <div className="grid grid-cols-2 gap-4 mt-3 text-sm">
+              <div>
+                <span className="text-slate-500">Lizenz:</span>
+                <span className="ml-2 text-slate-700">SIL Open Font License 1.1</span>
+              </div>
+              <div>
+                <span className="text-slate-500">Kommerzielle Nutzung:</span>
+                <span className="ml-2 text-green-600 font-medium">Ja, uneingeschraenkt</span>
+              </div>
+              <div>
+                <span className="text-slate-500">Attribution erforderlich:</span>
+                <span className="ml-2 text-slate-700">Nein</span>
+              </div>
+              <div>
+                <span className="text-slate-500">Repository:</span>
+                <a href="https://github.com/rsms/inter" target="_blank" rel="noopener noreferrer" className="ml-2 text-primary-600 hover:underline">
+                  github.com/rsms/inter
+                </a>
+              </div>
+            </div>
+          </div>
+
+          {/* Heroicons License */}
+          <div className="border border-slate-200 rounded-xl p-4">
+            <div className="flex items-start justify-between mb-2">
+              <div>
+                <h4 className="font-semibold text-slate-900">Heroicons</h4>
+                <p className="text-sm text-slate-500">Designer: Tailwind Labs</p>
+              </div>
+              <span className="px-2.5 py-1 bg-blue-100 text-blue-700 text-xs font-medium rounded-full">
+                MIT
+              </span>
+            </div>
+            <div className="grid grid-cols-2 gap-4 mt-3 text-sm">
+              <div>
+                <span className="text-slate-500">Lizenz:</span>
+                <span className="ml-2 text-slate-700">MIT License</span>
+              </div>
+              <div>
+                <span className="text-slate-500">Kommerzielle Nutzung:</span>
+                <span className="ml-2 text-green-600 font-medium">Ja, uneingeschraenkt</span>
+              </div>
+              <div>
+                <span className="text-slate-500">Attribution erforderlich:</span>
+                <span className="ml-2 text-slate-700">Nein (empfohlen)</span>
+              </div>
+              <div>
+                <span className="text-slate-500">Repository:</span>
+                <a href="https://github.com/tailwindlabs/heroicons" target="_blank" rel="noopener noreferrer" className="ml-2 text-primary-600 hover:underline">
+                  github.com/tailwindlabs/heroicons
+                </a>
+              </div>
+            </div>
+          </div>
+
+          {/* License Summary */}
+          <div className="bg-green-50 border border-green-200 rounded-xl p-4">
+            <div className="flex items-center gap-2 mb-2">
+              <svg className="w-5 h-5 text-green-600" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" />
+              </svg>
+              <h4 className="font-semibold text-green-800">Lizenz-Compliance</h4>
+            </div>
+            <p className="text-sm text-green-700">
+              Alle verwendeten Schriftarten und Icons sind Open Source und fuer kommerzielle Nutzung freigegeben.
+              Keine Attribution erforderlich. Vollstaendige Dokumentation in der SBOM.
+            </p>
+          </div>
+        </div>
+      </div>
+
+      {/* Font Weights */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Schriftschnitte</h3>
+        <div className="space-y-4">
+          {TYPOGRAPHY.weights.map((w) => (
+            <div key={w.weight} className="flex items-center gap-6 pb-4 border-b border-slate-100 last:border-0 last:pb-0">
+              <span
+                className="text-2xl w-64"
+                style={{ fontWeight: w.weight }}
+              >
+                The quick brown fox
+              </span>
+              <div className="flex-1">
+                <span className="font-medium text-slate-900">{w.name} ({w.weight})</span>
+                <span className="text-sm text-slate-500 ml-4">{w.usage}</span>
+              </div>
+            </div>
+          ))}
+        </div>
+      </div>
+
+      {/* Font Sizes */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Schriftgroessen</h3>
+        <div className="space-y-3">
+          {TYPOGRAPHY.sizes.map((s) => (
+            <div key={s.name} className="flex items-baseline gap-4 border-b border-slate-100 pb-3 last:border-0">
+              <span className="w-16 text-sm font-mono text-slate-500 bg-slate-100 px-2 py-0.5 rounded">{s.name}</span>
+              <span className="w-36 text-sm text-slate-600">{s.size}</span>
+              <span className="text-sm text-slate-500">{s.usage}</span>
+            </div>
+          ))}
+        </div>
+      </div>
+
+      {/* Headings Preview */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Ueberschriften-Hierarchie</h3>
+        <div className="space-y-4">
+          <div className="text-4xl font-bold text-slate-900">H1: Hauptueberschrift</div>
+          <div className="text-3xl font-bold text-slate-900">H2: Abschnittsueberschrift</div>
+          <div className="text-2xl font-semibold text-slate-900">H3: Unterabschnitt</div>
+          <div className="text-xl font-semibold text-slate-900">H4: Card-Titel</div>
+          <div className="text-lg font-medium text-slate-900">H5: Kleiner Titel</div>
+          <div className="text-base font-medium text-slate-900">H6: Label</div>
+        </div>
+      </div>
+
+      {/* Spacing */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Spacing Scale</h3>
+        <div className="space-y-3">
+          {SPACING.map((s) => (
+            <div key={s.name} className="flex items-center gap-4">
+              <span className="w-12 text-sm font-mono text-slate-500 bg-slate-100 px-2 py-0.5 rounded text-center">{s.name}</span>
+              <div
+                className="bg-primary-500 h-4 rounded"
+                style={{ width: `${parseInt(s.value) * 16}px` }}
+              />
+              <span className="text-sm text-slate-600">{s.value}</span>
+              <span className="text-sm text-slate-400">{s.usage}</span>
+            </div>
+          ))}
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/development/brandbook/_components/VoiceTab.tsx

@@ -0,0 +1,122 @@
+'use client'
+
+import { VOICE_TONE } from '../constants'
+
+export function VoiceTab() {
+  return (
+    <div className="space-y-6">
+      {/* Brand Attributes */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Markenpersoenlichkeit</h3>
+        <div className="flex flex-wrap gap-3">
+          {VOICE_TONE.attributes.map((attr) => (
+            <span
+              key={attr}
+              className="px-4 py-2 bg-primary-100 text-primary-700 rounded-full font-medium"
+            >
+              {attr}
+            </span>
+          ))}
+        </div>
+      </div>
+
+      {/* Do & Dont */}
+      <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
+        <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+          <h3 className="text-lg font-semibold text-green-600 mb-4 flex items-center gap-2">
+            <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
+            </svg>
+            So schreiben wir
+          </h3>
+          <ul className="space-y-2">
+            {VOICE_TONE.doList.map((item) => (
+              <li key={item} className="flex items-center gap-2 text-slate-600">
+                <span className="w-1.5 h-1.5 bg-green-500 rounded-full flex-shrink-0"></span>
+                {item}
+              </li>
+            ))}
+          </ul>
+        </div>
+        <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+          <h3 className="text-lg font-semibold text-red-600 mb-4 flex items-center gap-2">
+            <svg className="w-5 h-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
+            </svg>
+            Das vermeiden wir
+          </h3>
+          <ul className="space-y-2">
+            {VOICE_TONE.dontList.map((item) => (
+              <li key={item} className="flex items-center gap-2 text-slate-600">
+                <span className="w-1.5 h-1.5 bg-red-500 rounded-full flex-shrink-0"></span>
+                {item}
+              </li>
+            ))}
+          </ul>
+        </div>
+      </div>
+
+      {/* Example Texts */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Beispieltexte</h3>
+        <div className="space-y-4">
+          <div className="p-4 bg-green-50 border border-green-200 rounded-xl">
+            <span className="text-xs text-green-600 font-medium mb-2 block">GUT</span>
+            <p className="text-slate-700">
+              &quot;Verwalten Sie Ihre Datenschutz-Dokumente einfach und sicher. Alle Aenderungen werden protokolliert.&quot;
+            </p>
+          </div>
+          <div className="p-4 bg-red-50 border border-red-200 rounded-xl">
+            <span className="text-xs text-red-600 font-medium mb-2 block">SCHLECHT</span>
+            <p className="text-slate-700">
+              &quot;Unsere revolutionaere KI-Loesung optimiert Ihre Compliance-Workflows durch state-of-the-art NLP.&quot;
+            </p>
+          </div>
+        </div>
+      </div>
+
+      {/* Target Audience */}
+      <div className="bg-white rounded-xl border border-slate-200 p-6 shadow-sm">
+        <h3 className="text-lg font-semibold text-slate-900 mb-4">Zielgruppe</h3>
+        <div className="grid grid-cols-1 md:grid-cols-4 gap-4">
+          {[
+            {
+              iconBg: 'bg-education-100', iconColor: 'text-education-600',
+              iconPath: 'M12 14l9-5-9-5-9 5 9 5z',
+              iconPath2: 'M12 14l6.16-3.422a12.083 12.083 0 01.665 6.479A11.952 11.952 0 0012 20.055a11.952 11.952 0 00-6.824-2.998 12.078 12.078 0 01.665-6.479L12 14z',
+              title: 'Lehrkraefte', desc: 'Zeitersparnis, einfache Bedienung',
+            },
+            {
+              iconBg: 'bg-compliance-100', iconColor: 'text-compliance-600',
+              iconPath: 'M9 12l2 2 4-4m5.618-4.016A11.955 11.955 0 0112 2.944a11.955 11.955 0 01-8.618 3.04A12.02 12.02 0 003 9c0 5.591 3.824 10.29 9 11.622 5.176-1.332 9-6.03 9-11.622 0-1.042-.133-2.052-.382-3.016z',
+              title: 'DSB', desc: 'DSGVO-Compliance, Dokumentation',
+            },
+            {
+              iconBg: 'bg-infrastructure-100', iconColor: 'text-infrastructure-600',
+              iconPath: 'M10 20l4-16m4 4l4 4-4 4M6 16l-4-4 4-4',
+              title: 'Entwickler', desc: 'APIs, Integration, DevOps',
+            },
+            {
+              iconBg: 'bg-communication-100', iconColor: 'text-communication-600',
+              iconPath: 'M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4',
+              title: 'Schulleitung', desc: 'Ueberblick, Kosten, Compliance',
+            },
+          ].map((audience) => (
+            <div key={audience.title} className="p-4 bg-slate-50 rounded-xl text-center">
+              <div className={`w-12 h-12 ${audience.iconBg} rounded-xl flex items-center justify-center mx-auto mb-2`}>
+                <svg className={`w-6 h-6 ${audience.iconColor}`} fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d={audience.iconPath} />
+                  {audience.iconPath2 && (
+                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d={audience.iconPath2} />
+                  )}
+                </svg>
+              </div>
+              <h4 className="font-semibold text-slate-900">{audience.title}</h4>
+              <p className="text-sm text-slate-600 mt-1">{audience.desc}</p>
+            </div>
+          ))}
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/development/brandbook/constants.ts

@@ -0,0 +1,253 @@
+/**
+ * Brandbook Constants - Color palettes, typography, spacing, voice & tone
+ */
+
+export interface ColorShade {
+  name: string
+  value: string
+  text: 'dark' | 'light'
+}
+
+export interface ColorPalette {
+  name: string
+  description: string
+  shades: ColorShade[]
+}
+
+export interface CategoryColor {
+  id: string
+  name: string
+  description: string
+  main: string
+  shades: ColorShade[]
+}
+
+// Primary brand color (Sky Blue)
+export const PRIMARY_COLORS: ColorPalette = {
+  name: 'Primary (Sky Blue)',
+  description: 'Haupt-Markenfarbe fuer Buttons, Links und Akzente',
+  shades: [
+    { name: '50', value: '#f0f9ff', text: 'dark' },
+    { name: '100', value: '#e0f2fe', text: 'dark' },
+    { name: '200', value: '#bae6fd', text: 'dark' },
+    { name: '300', value: '#7dd3fc', text: 'dark' },
+    { name: '400', value: '#38bdf8', text: 'dark' },
+    { name: '500', value: '#0ea5e9', text: 'light' },
+    { name: '600', value: '#0284c7', text: 'light' },
+    { name: '700', value: '#0369a1', text: 'light' },
+    { name: '800', value: '#075985', text: 'light' },
+    { name: '900', value: '#0c4a6e', text: 'light' },
+  ],
+}
+
+// Accent brand color (Fuchsia) - for logo gradient and highlights
+export const ACCENT_COLORS: ColorPalette = {
+  name: 'Accent (Fuchsia)',
+  description: 'Akzentfarbe fuer Logo-Gradient und besondere Highlights',
+  shades: [
+    { name: '50', value: '#fdf4ff', text: 'dark' },
+    { name: '100', value: '#fae8ff', text: 'dark' },
+    { name: '200', value: '#f5d0fe', text: 'dark' },
+    { name: '300', value: '#f0abfc', text: 'dark' },
+    { name: '400', value: '#e879f9', text: 'dark' },
+    { name: '500', value: '#d946ef', text: 'light' },
+    { name: '600', value: '#c026d3', text: 'light' },
+    { name: '700', value: '#a21caf', text: 'light' },
+    { name: '800', value: '#86198f', text: 'light' },
+    { name: '900', value: '#701a75', text: 'light' },
+  ],
+}
+
+// Category colors for navigation and modules
+export const CATEGORY_COLORS: CategoryColor[] = [
+  {
+    id: 'dsgvo',
+    name: 'DSGVO (Violet)',
+    description: 'Datenschutz & Betroffenenrechte',
+    main: '#7c3aed',
+    shades: [
+      { name: '100', value: '#ede9fe', text: 'dark' },
+      { name: '500', value: '#8b5cf6', text: 'light' },
+      { name: '600', value: '#7c3aed', text: 'light' },
+      { name: '700', value: '#6d28d9', text: 'light' },
+    ],
+  },
+  {
+    id: 'compliance',
+    name: 'Compliance (Purple)',
+    description: 'Audit, Controls & Regulierung',
+    main: '#9333ea',
+    shades: [
+      { name: '100', value: '#f3e8ff', text: 'dark' },
+      { name: '500', value: '#a855f7', text: 'light' },
+      { name: '600', value: '#9333ea', text: 'light' },
+      { name: '700', value: '#7e22ce', text: 'light' },
+    ],
+  },
+  {
+    id: 'ai',
+    name: 'KI & Automatisierung (Teal)',
+    description: 'LLM, OCR, RAG & Machine Learning',
+    main: '#14b8a6',
+    shades: [
+      { name: '100', value: '#ccfbf1', text: 'dark' },
+      { name: '500', value: '#14b8a6', text: 'light' },
+      { name: '600', value: '#0d9488', text: 'light' },
+      { name: '700', value: '#0f766e', text: 'light' },
+    ],
+  },
+  {
+    id: 'infrastructure',
+    name: 'Infrastruktur (Orange)',
+    description: 'GPU, Security, CI/CD & Monitoring',
+    main: '#f97316',
+    shades: [
+      { name: '100', value: '#ffedd5', text: 'dark' },
+      { name: '500', value: '#f97316', text: 'light' },
+      { name: '600', value: '#ea580c', text: 'light' },
+      { name: '700', value: '#c2410c', text: 'light' },
+    ],
+  },
+  {
+    id: 'education',
+    name: 'Bildung & Schule (Blue)',
+    description: 'Bildungsquellen & Lehrplaene',
+    main: '#3b82f6',
+    shades: [
+      { name: '100', value: '#dbeafe', text: 'dark' },
+      { name: '500', value: '#3b82f6', text: 'light' },
+      { name: '600', value: '#2563eb', text: 'light' },
+      { name: '700', value: '#1d4ed8', text: 'light' },
+    ],
+  },
+  {
+    id: 'communication',
+    name: 'Kommunikation (Green)',
+    description: 'Matrix, E-Mail & Benachrichtigungen',
+    main: '#22c55e',
+    shades: [
+      { name: '100', value: '#dcfce7', text: 'dark' },
+      { name: '500', value: '#22c55e', text: 'light' },
+      { name: '600', value: '#16a34a', text: 'light' },
+      { name: '700', value: '#15803d', text: 'light' },
+    ],
+  },
+  {
+    id: 'development',
+    name: 'Entwicklung (Slate)',
+    description: 'Workflow, Game, Docs & Brandbook',
+    main: '#64748b',
+    shades: [
+      { name: '100', value: '#f1f5f9', text: 'dark' },
+      { name: '500', value: '#64748b', text: 'light' },
+      { name: '600', value: '#475569', text: 'light' },
+      { name: '700', value: '#334155', text: 'light' },
+    ],
+  },
+]
+
+// Semantic colors
+export const SEMANTIC_COLORS: Record<string, { name: string; shades: ColorShade[] }> = {
+  success: {
+    name: 'Success (Emerald)',
+    shades: [
+      { name: '100', value: '#d1fae5', text: 'dark' },
+      { name: '500', value: '#10b981', text: 'light' },
+      { name: '600', value: '#059669', text: 'light' },
+    ],
+  },
+  warning: {
+    name: 'Warning (Amber)',
+    shades: [
+      { name: '100', value: '#fef3c7', text: 'dark' },
+      { name: '500', value: '#f59e0b', text: 'dark' },
+      { name: '600', value: '#d97706', text: 'light' },
+    ],
+  },
+  danger: {
+    name: 'Danger (Red)',
+    shades: [
+      { name: '100', value: '#fee2e2', text: 'dark' },
+      { name: '500', value: '#ef4444', text: 'light' },
+      { name: '600', value: '#dc2626', text: 'light' },
+    ],
+  },
+  neutral: {
+    name: 'Neutral (Slate)',
+    shades: [
+      { name: '50', value: '#f8fafc', text: 'dark' },
+      { name: '100', value: '#f1f5f9', text: 'dark' },
+      { name: '200', value: '#e2e8f0', text: 'dark' },
+      { name: '300', value: '#cbd5e1', text: 'dark' },
+      { name: '400', value: '#94a3b8', text: 'dark' },
+      { name: '500', value: '#64748b', text: 'light' },
+      { name: '600', value: '#475569', text: 'light' },
+      { name: '700', value: '#334155', text: 'light' },
+      { name: '800', value: '#1e293b', text: 'light' },
+      { name: '900', value: '#0f172a', text: 'light' },
+    ],
+  },
+}
+
+export const TYPOGRAPHY = {
+  fontFamily: "'Inter', system-ui, -apple-system, sans-serif",
+  weights: [
+    { weight: 400, name: 'Regular', usage: 'Fliesstext, Beschreibungen' },
+    { weight: 500, name: 'Medium', usage: 'Labels, Buttons, Navigation' },
+    { weight: 600, name: 'Semi-Bold', usage: 'Ueberschriften H3-H6, Card-Titel' },
+    { weight: 700, name: 'Bold', usage: 'Ueberschriften H1-H2, CTAs' },
+  ],
+  sizes: [
+    { name: 'xs', size: '0.75rem (12px)', usage: 'Footnotes, Badges' },
+    { name: 'sm', size: '0.875rem (14px)', usage: 'Nebentext, Labels' },
+    { name: 'base', size: '1rem (16px)', usage: 'Fliesstext, Body' },
+    { name: 'lg', size: '1.125rem (18px)', usage: 'Lead Text' },
+    { name: 'xl', size: '1.25rem (20px)', usage: 'H4, Card Titles' },
+    { name: '2xl', size: '1.5rem (24px)', usage: 'H3' },
+    { name: '3xl', size: '1.875rem (30px)', usage: 'H2' },
+    { name: '4xl', size: '2.25rem (36px)', usage: 'H1, Hero' },
+  ],
+}
+
+export const SPACING = [
+  { name: '1', value: '0.25rem (4px)', usage: 'Minimaler Abstand' },
+  { name: '2', value: '0.5rem (8px)', usage: 'Kompakter Abstand' },
+  { name: '3', value: '0.75rem (12px)', usage: 'Standard klein' },
+  { name: '4', value: '1rem (16px)', usage: 'Standard' },
+  { name: '6', value: '1.5rem (24px)', usage: 'Card Padding' },
+  { name: '8', value: '2rem (32px)', usage: 'Section Spacing' },
+]
+
+export const VOICE_TONE = {
+  attributes: [
+    'Professionell & Vertrauenswuerdig',
+    'Klar & Direkt',
+    'Hilfreich & Unterstuetzend',
+    'Modern & Innovativ',
+    'DSGVO-konform & Sicher',
+  ],
+  doList: [
+    'Einfache, klare Sprache verwenden',
+    'Aktiv formulieren',
+    'Nutzenorientiert schreiben',
+    'Konkrete Beispiele geben',
+    'Technische Begriffe erklaeren',
+  ],
+  dontList: [
+    'Fachjargon ohne Erklaerung',
+    'Passive Formulierungen',
+    'Uebertriebene Versprechen',
+    'Marketing-Floskeln',
+    'Unpersoenliche Ansprache',
+  ],
+}
+
+export type BrandbookTab = 'colors' | 'typography' | 'components' | 'logo' | 'voice'
+
+export const TABS: { id: BrandbookTab; label: string }[] = [
+  { id: 'colors', label: 'Farben' },
+  { id: 'typography', label: 'Typografie' },
+  { id: 'components', label: 'Komponenten' },
+  { id: 'logo', label: 'Logo' },
+  { id: 'voice', label: 'Tonalitaet' },
+]

admin-lehrer/app/(admin)/development/screen-flow/_components/CategoryFilter.tsx

@@ -0,0 +1,60 @@
+'use client'
+
+import type { ScreenDefinition } from '../types'
+
+interface CategoryFilterProps {
+  screens: ScreenDefinition[]
+  categories: string[]
+  colors: Record<string, { bg: string; border: string; text: string }>
+  labels: Record<string, string>
+  selectedCategory: string | null
+  selectedNode: string | null
+  onSelectCategory: (category: string | null) => void
+  onReset: () => void
+}
+
+export function CategoryFilter({
+  screens,
+  categories,
+  colors,
+  labels,
+  selectedCategory,
+  selectedNode,
+  onSelectCategory,
+  onReset,
+}: CategoryFilterProps) {
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
+      <div className="flex flex-wrap gap-2">
+        <button
+          onClick={onReset}
+          className={`px-4 py-2 rounded-lg text-sm font-medium transition-colors ${
+            selectedCategory === null && !selectedNode
+              ? 'bg-slate-800 text-white'
+              : 'bg-slate-100 text-slate-700 hover:bg-slate-200'
+          }`}
+        >
+          Alle ({screens.length})
+        </button>
+        {categories.map((key) => {
+          const count = screens.filter(s => s.category === key).length
+          const catColors = colors[key] || { bg: '#f1f5f9', border: '#94a3b8', text: '#475569' }
+          return (
+            <button
+              key={key}
+              onClick={() => onSelectCategory(selectedCategory === key ? null : key)}
+              className="px-4 py-2 rounded-lg text-sm font-medium transition-all flex items-center gap-2"
+              style={{
+                background: selectedCategory === key ? catColors.border : catColors.bg,
+                color: selectedCategory === key ? 'white' : catColors.text,
+              }}
+            >
+              <span className="w-3 h-3 rounded-full" style={{ background: catColors.border }} />
+              {labels[key]} ({count})
+            </button>
+          )
+        })}
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/development/screen-flow/_components/ConnectedScreensList.tsx

@@ -0,0 +1,51 @@
+'use client'
+
+import type { ScreenDefinition } from '../types'
+
+interface ConnectedScreensListProps {
+  selectedNode: string | null
+  connectedScreens: ScreenDefinition[]
+  colors: Record<string, { bg: string; border: string; text: string }>
+  baseUrl: string
+}
+
+export function ConnectedScreensList({
+  selectedNode,
+  connectedScreens,
+  colors,
+  baseUrl,
+}: ConnectedScreensListProps) {
+  if (!selectedNode || connectedScreens.length <= 1) return null
+
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
+      <div className="text-sm font-medium text-slate-700 mb-3">Verbundene Screens:</div>
+      <div className="flex flex-wrap gap-2">
+        {connectedScreens.map((screen) => {
+          const catColors = colors[screen.category] || { bg: '#f1f5f9', border: '#94a3b8', text: '#475569' }
+          const isCurrentNode = screen.id === selectedNode
+          return (
+            <button
+              key={screen.id}
+              onClick={() => {
+                if (screen.url) {
+                  window.open(`${baseUrl}${screen.url}`, '_blank')
+                }
+              }}
+              className={`px-3 py-2 rounded-lg text-sm font-medium transition-all flex items-center gap-2 ${
+                isCurrentNode ? 'ring-2 ring-primary-500' : ''
+              }`}
+              style={{
+                background: isCurrentNode ? catColors.border : catColors.bg,
+                color: isCurrentNode ? 'white' : catColors.text,
+              }}
+            >
+              <span>{screen.icon}</span>
+              {screen.name}
+            </button>
+          )
+        })}
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/development/screen-flow/_components/FlowDiagram.tsx

@@ -0,0 +1,95 @@
+'use client'
+
+import ReactFlow, {
+  Node,
+  Edge,
+  Controls,
+  Background,
+  MiniMap,
+  BackgroundVariant,
+  Panel,
+  NodeChange,
+  EdgeChange,
+} from 'reactflow'
+import 'reactflow/dist/style.css'
+
+import type { ScreenDefinition, FlowType } from '../types'
+
+interface FlowDiagramProps {
+  flowType: FlowType
+  nodes: Node[]
+  edges: Edge[]
+  onNodesChange: (changes: NodeChange[]) => void
+  onEdgesChange: (changes: EdgeChange[]) => void
+  onNodeClick: (event: React.MouseEvent, node: Node) => void
+  onPaneClick: () => void
+  screens: ScreenDefinition[]
+  colors: Record<string, { bg: string; border: string; text: string }>
+  labels: Record<string, string>
+  categories: string[]
+}
+
+export function FlowDiagram({
+  flowType,
+  nodes,
+  edges,
+  onNodesChange,
+  onEdgesChange,
+  onNodeClick,
+  onPaneClick,
+  screens,
+  colors,
+  labels,
+  categories,
+}: FlowDiagramProps) {
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 shadow-sm overflow-hidden" style={{ height: '500px' }}>
+      <ReactFlow
+        nodes={nodes}
+        edges={edges}
+        onNodesChange={onNodesChange}
+        onEdgesChange={onEdgesChange}
+        onNodeClick={onNodeClick}
+        onPaneClick={onPaneClick}
+        fitView
+        fitViewOptions={{ padding: 0.2 }}
+        attributionPosition="bottom-left"
+      >
+        <Controls />
+        <MiniMap
+          nodeColor={(node) => {
+            const screen = screens.find(s => s.id === node.id)
+            const catColors = screen ? colors[screen.category] : null
+            return catColors?.border || '#94a3b8'
+          }}
+          maskColor="rgba(0, 0, 0, 0.1)"
+        />
+        <Background variant={BackgroundVariant.Dots} gap={12} size={1} />
+
+        <Panel position="top-left" className="bg-white/95 p-3 rounded-lg shadow-lg text-xs">
+          <div className="font-medium text-slate-700 mb-2">
+            {flowType === 'studio' ? '🎓 Studio' : '⚙️ Admin v2'}
+          </div>
+          <div className="space-y-1">
+            {categories.slice(0, 4).map((key) => {
+              const catColors = colors[key] || { bg: '#f1f5f9', border: '#94a3b8' }
+              return (
+                <div key={key} className="flex items-center gap-2">
+                  <span
+                    className="w-3 h-3 rounded"
+                    style={{ background: catColors.bg, border: `1px solid ${catColors.border}` }}
+                  />
+                  <span className="text-slate-600">{labels[key]}</span>
+                </div>
+              )
+            })}
+          </div>
+          <div className="mt-2 pt-2 border-t text-slate-400">
+            Klick = Subtree<br/>
+            Doppelklick = Oeffnen
+          </div>
+        </Panel>
+      </ReactFlow>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/development/screen-flow/_components/FlowTypeSelector.tsx

@@ -0,0 +1,59 @@
+'use client'
+
+import type { FlowType } from '../types'
+import { STUDIO_SCREENS, ADMIN_SCREENS } from '../data'
+
+interface FlowTypeSelectorProps {
+  flowType: FlowType
+  onFlowTypeChange: (type: FlowType) => void
+}
+
+export function FlowTypeSelector({ flowType, onFlowTypeChange }: FlowTypeSelectorProps) {
+  return (
+    <div className="grid grid-cols-2 gap-4">
+      <button
+        onClick={() => onFlowTypeChange('studio')}
+        className={`p-6 rounded-xl border-2 transition-all ${
+          flowType === 'studio'
+            ? 'border-green-500 bg-green-50 shadow-lg'
+            : 'border-slate-200 bg-white hover:border-slate-300'
+        }`}
+      >
+        <div className="flex items-center gap-4">
+          <div className={`w-14 h-14 rounded-xl flex items-center justify-center text-2xl ${
+            flowType === 'studio' ? 'bg-green-500 text-white' : 'bg-slate-100'
+          }`}>
+            🎓
+          </div>
+          <div className="text-left">
+            <div className="font-bold text-lg">Studio (Port 8000)</div>
+            <div className="text-sm text-slate-500">Lehrer-Oberflaeche</div>
+            <div className="text-xs text-slate-400 mt-1">{STUDIO_SCREENS.length} Screens</div>
+          </div>
+        </div>
+      </button>
+
+      <button
+        onClick={() => onFlowTypeChange('admin')}
+        className={`p-6 rounded-xl border-2 transition-all ${
+          flowType === 'admin'
+            ? 'border-primary-500 bg-primary-50 shadow-lg'
+            : 'border-slate-200 bg-white hover:border-slate-300'
+        }`}
+      >
+        <div className="flex items-center gap-4">
+          <div className={`w-14 h-14 rounded-xl flex items-center justify-center text-2xl ${
+            flowType === 'admin' ? 'bg-primary-500 text-white' : 'bg-slate-100'
+          }`}>
+            ⚙️
+          </div>
+          <div className="text-left">
+            <div className="font-bold text-lg">Admin v2 (Port 3002)</div>
+            <div className="text-sm text-slate-500">Admin Panel</div>
+            <div className="text-xs text-slate-400 mt-1">{ADMIN_SCREENS.length} Screens</div>
+          </div>
+        </div>
+      </button>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/development/screen-flow/_components/ScreenList.tsx

@@ -0,0 +1,65 @@
+'use client'
+
+import type { ScreenDefinition } from '../types'
+
+interface ScreenListProps {
+  screens: ScreenDefinition[]
+  colors: Record<string, { bg: string; border: string; text: string }>
+  labels: Record<string, string>
+  baseUrl: string
+  selectedCategory: string | null
+  onSelectScreen: (screen: ScreenDefinition) => void
+}
+
+export function ScreenList({
+  screens,
+  colors,
+  labels,
+  baseUrl,
+  selectedCategory,
+  onSelectScreen,
+}: ScreenListProps) {
+  const filtered = selectedCategory
+    ? screens.filter(s => s.category === selectedCategory)
+    : screens
+
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 shadow-sm overflow-hidden">
+      <div className="px-4 py-3 bg-slate-50 border-b flex items-center justify-between">
+        <h3 className="font-medium text-slate-700">
+          Alle Screens ({screens.length})
+        </h3>
+        <span className="text-xs text-slate-400">{baseUrl}</span>
+      </div>
+      <div className="divide-y max-h-80 overflow-y-auto">
+        {filtered.map((screen) => {
+          const catColors = colors[screen.category] || { bg: '#f1f5f9', border: '#94a3b8', text: '#475569' }
+          return (
+            <button
+              key={screen.id}
+              onClick={() => onSelectScreen(screen)}
+              className="w-full flex items-center gap-4 p-3 hover:bg-slate-50 transition-colors text-left"
+            >
+              <span
+                className="w-9 h-9 rounded-lg flex items-center justify-center text-lg"
+                style={{ background: catColors.bg }}
+              >
+                {screen.icon}
+              </span>
+              <div className="flex-1 min-w-0">
+                <div className="font-medium text-slate-800 text-sm">{screen.name}</div>
+                <div className="text-xs text-slate-500 truncate">{screen.description}</div>
+              </div>
+              <span
+                className="px-2 py-1 rounded text-xs font-medium shrink-0"
+                style={{ background: catColors.bg, color: catColors.text }}
+              >
+                {labels[screen.category]}
+              </span>
+            </button>
+          )
+        })}
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/development/screen-flow/_components/StatsBar.tsx

@@ -0,0 +1,57 @@
+'use client'
+
+import type { ScreenDefinition } from '../types'
+
+interface StatsBarProps {
+  totalScreens: number
+  totalConnections: number
+  connectedCount: number
+  selectedNode: string | null
+  previewScreen: ScreenDefinition | null
+  onReset: () => void
+}
+
+export function StatsBar({
+  totalScreens,
+  totalConnections,
+  connectedCount,
+  selectedNode,
+  previewScreen,
+  onReset,
+}: StatsBarProps) {
+  return (
+    <div className="grid grid-cols-4 gap-4">
+      <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
+        <div className="text-3xl font-bold text-slate-800">{totalScreens}</div>
+        <div className="text-sm text-slate-500">Screens</div>
+      </div>
+      <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
+        <div className="text-3xl font-bold text-primary-600">{totalConnections}</div>
+        <div className="text-sm text-slate-500">Verbindungen</div>
+      </div>
+      <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm col-span-2">
+        {selectedNode ? (
+          <div className="flex items-center gap-3">
+            <div className="text-3xl">{previewScreen?.icon}</div>
+            <div>
+              <div className="font-bold text-slate-800">{previewScreen?.name}</div>
+              <div className="text-sm text-slate-500">
+                {connectedCount} verbundene Screen{connectedCount !== 1 ? 's' : ''}
+              </div>
+            </div>
+            <button
+              onClick={onReset}
+              className="ml-auto px-3 py-1 text-sm bg-slate-100 hover:bg-slate-200 rounded-lg"
+            >
+              Zuruecksetzen
+            </button>
+          </div>
+        ) : (
+          <div className="text-slate-500 text-sm">
+            Klicke auf einen Screen um den Subtree zu sehen
+          </div>
+        )}
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/development/screen-flow/_components/index.ts

@@ -0,0 +1,6 @@
+export { FlowTypeSelector } from './FlowTypeSelector'
+export { StatsBar } from './StatsBar'
+export { CategoryFilter } from './CategoryFilter'
+export { ConnectedScreensList } from './ConnectedScreensList'
+export { FlowDiagram } from './FlowDiagram'
+export { ScreenList } from './ScreenList'

admin-lehrer/app/(admin)/development/screen-flow/data.ts

@@ -0,0 +1,264 @@
+/**
+ * Screen Flow - Screen definitions, connections, colors, labels
+ */
+
+import type { ScreenDefinition, ConnectionDef } from './types'
+
+// ============================================
+// STUDIO SCREENS (Port 8000)
+// ============================================
+
+export const STUDIO_SCREENS: ScreenDefinition[] = [
+  { id: 'lehrer-dashboard', name: 'Mein Dashboard', description: 'Hauptuebersicht mit Widgets', category: 'navigation', icon: '🏠', url: '/app#lehrer-dashboard' },
+  { id: 'lehrer-onboarding', name: 'Erste Schritte', description: 'Onboarding & Schnellstart', category: 'navigation', icon: '🚀', url: '/app#lehrer-onboarding' },
+  { id: 'hilfe', name: 'Dokumentation', description: 'Hilfe & Anleitungen', category: 'navigation', icon: '📚', url: '/app#hilfe' },
+  { id: 'worksheets', name: 'Arbeitsblaetter Studio', description: 'Lernmaterialien erstellen', category: 'content', icon: '📝', url: '/app#worksheets' },
+  { id: 'content-creator', name: 'Content Creator', description: 'Inhalte erstellen', category: 'content', icon: '✨', url: '/app#content-creator' },
+  { id: 'content-feed', name: 'Content Feed', description: 'Inhalte durchsuchen', category: 'content', icon: '📰', url: '/app#content-feed' },
+  { id: 'unit-creator', name: 'Unit Creator', description: 'Lerneinheiten erstellen', category: 'content', icon: '📦', url: '/app#unit-creator' },
+  { id: 'letters', name: 'Briefe & Vorlagen', description: 'Brief-Generator', category: 'content', icon: '✉️', url: '/app#letters' },
+  { id: 'correction', name: 'Korrektur', description: 'Arbeiten korrigieren', category: 'content', icon: '✏️', url: '/app#correction' },
+  { id: 'klausur-korrektur', name: 'Abiturklausuren', description: 'KI-gestuetzte Klausurkorrektur', category: 'content', icon: '📋', url: '/app#klausur-korrektur' },
+  { id: 'jitsi', name: 'Videokonferenz', description: 'Jitsi Meet Integration', category: 'communication', icon: '🎥', url: '/app#jitsi' },
+  { id: 'messenger', name: 'Messenger', description: 'Matrix E2EE Chat', category: 'communication', icon: '💬', url: '/app#messenger' },
+  { id: 'mail', name: 'Unified Inbox', description: 'E-Mail Verwaltung', category: 'communication', icon: '📧', url: '/app#mail' },
+  { id: 'school-classes', name: 'Klassen', description: 'Klassenverwaltung', category: 'school', icon: '👥', url: '/app#school-classes' },
+  { id: 'school-exams', name: 'Pruefungen', description: 'Pruefungsverwaltung', category: 'school', icon: '📝', url: '/app#school-exams' },
+  { id: 'school-grades', name: 'Noten', description: 'Notenverwaltung', category: 'school', icon: '📊', url: '/app#school-grades' },
+  { id: 'school-gradebook', name: 'Notenbuch', description: 'Digitales Notenbuch', category: 'school', icon: '📖', url: '/app#school-gradebook' },
+  { id: 'school-certificates', name: 'Zeugnisse', description: 'Zeugniserstellung', category: 'school', icon: '🎓', url: '/app#school-certificates' },
+  { id: 'companion', name: 'Begleiter & Stunde', description: 'KI-Unterrichtsassistent', category: 'ai', icon: '🤖', url: '/app#companion' },
+  { id: 'alerts', name: 'Alerts', description: 'News & Benachrichtigungen', category: 'ai', icon: '🔔', url: '/app#alerts' },
+  { id: 'admin', name: 'Einstellungen', description: 'Systemeinstellungen', category: 'admin', icon: '⚙️', url: '/app#admin' },
+  { id: 'rbac-admin', name: 'Rollen & Rechte', description: 'Berechtigungsverwaltung', category: 'admin', icon: '🔐', url: '/app#rbac-admin' },
+  { id: 'abitur-docs-admin', name: 'Abitur Dokumente', description: 'Erwartungshorizonte', category: 'admin', icon: '📄', url: '/app#abitur-docs-admin' },
+  { id: 'system-info', name: 'System Info', description: 'Systeminformationen', category: 'admin', icon: '💻', url: '/app#system-info' },
+  { id: 'workflow', name: 'Workflow', description: 'Automatisierungen', category: 'admin', icon: '⚡', url: '/app#workflow' },
+]
+
+export const STUDIO_CONNECTIONS: ConnectionDef[] = [
+  { source: 'lehrer-onboarding', target: 'worksheets', label: 'Arbeitsblaetter' },
+  { source: 'lehrer-onboarding', target: 'klausur-korrektur', label: 'Abiturklausuren' },
+  { source: 'lehrer-onboarding', target: 'correction', label: 'Korrektur' },
+  { source: 'lehrer-onboarding', target: 'letters', label: 'Briefe' },
+  { source: 'lehrer-onboarding', target: 'school-classes', label: 'Klassen' },
+  { source: 'lehrer-onboarding', target: 'jitsi', label: 'Meet' },
+  { source: 'lehrer-onboarding', target: 'hilfe', label: 'Doku' },
+  { source: 'lehrer-onboarding', target: 'admin', label: 'Settings' },
+  { source: 'lehrer-dashboard', target: 'worksheets' },
+  { source: 'lehrer-dashboard', target: 'correction' },
+  { source: 'lehrer-dashboard', target: 'jitsi' },
+  { source: 'lehrer-dashboard', target: 'letters' },
+  { source: 'lehrer-dashboard', target: 'messenger' },
+  { source: 'lehrer-dashboard', target: 'klausur-korrektur' },
+  { source: 'lehrer-dashboard', target: 'companion' },
+  { source: 'lehrer-dashboard', target: 'alerts' },
+  { source: 'lehrer-dashboard', target: 'mail' },
+  { source: 'lehrer-dashboard', target: 'school-classes' },
+  { source: 'lehrer-dashboard', target: 'lehrer-onboarding', label: 'Sidebar' },
+  { source: 'school-classes', target: 'school-exams' },
+  { source: 'school-classes', target: 'school-grades' },
+  { source: 'school-grades', target: 'school-gradebook' },
+  { source: 'school-gradebook', target: 'school-certificates' },
+  { source: 'worksheets', target: 'content-creator' },
+  { source: 'worksheets', target: 'unit-creator' },
+  { source: 'content-creator', target: 'content-feed' },
+  { source: 'klausur-korrektur', target: 'abitur-docs-admin' },
+  { source: 'admin', target: 'rbac-admin' },
+  { source: 'admin', target: 'system-info' },
+  { source: 'admin', target: 'workflow' },
+]
+
+// ============================================
+// ADMIN v2 SCREENS (Port 3002)
+// Based on navigation.ts - Last updated: 2026-02-03
+// ============================================
+
+export const ADMIN_SCREENS: ScreenDefinition[] = [
+  // === META / OVERVIEW ===
+  { id: 'admin-dashboard', name: 'Dashboard', description: 'Uebersicht & Statistiken', category: 'overview', icon: '🏠', url: '/dashboard' },
+  { id: 'admin-onboarding', name: 'Onboarding', description: 'Lern-Wizards fuer alle Module', category: 'overview', icon: '📖', url: '/onboarding' },
+  { id: 'admin-architecture', name: 'Architektur', description: 'Backend-Module & Datenfluss', category: 'overview', icon: '🏗️', url: '/architecture' },
+  { id: 'admin-backlog', name: 'Production Backlog', description: 'Go-Live Checkliste', category: 'overview', icon: '📝', url: '/backlog' },
+  { id: 'admin-rbac', name: 'RBAC', description: 'Rollen & Berechtigungen', category: 'overview', icon: '👥', url: '/rbac' },
+
+  // === COMPLIANCE SDK (Violet #8b5cf6) ===
+  { id: 'admin-consent', name: 'Consent Verwaltung', description: 'Rechtliche Dokumente & Versionen', category: 'sdk', icon: '📄', url: '/sdk/consent-management' },
+  { id: 'admin-dsr', name: 'Datenschutzanfragen', description: 'DSGVO Art. 15-21', category: 'sdk', icon: '🔒', url: '/sdk/dsr' },
+  { id: 'admin-einwilligungen', name: 'Einwilligungen', description: 'Nutzer-Consent Uebersicht', category: 'sdk', icon: '✅', url: '/sdk/einwilligungen' },
+  { id: 'admin-vvt', name: 'VVT', description: 'Verarbeitungsverzeichnis Art. 30', category: 'sdk', icon: '📋', url: '/sdk/vvt' },
+  { id: 'admin-dsfa', name: 'DSFA', description: 'Datenschutz-Folgenabschaetzung', category: 'sdk', icon: '⚖️', url: '/sdk/dsfa' },
+  { id: 'admin-tom', name: 'TOMs', description: 'Technische & Org. Massnahmen', category: 'sdk', icon: '🛡️', url: '/sdk/tom' },
+  { id: 'admin-loeschfristen', name: 'Loeschfristen', description: 'Aufbewahrung & Deadlines', category: 'sdk', icon: '🗑️', url: '/sdk/loeschfristen' },
+  { id: 'admin-advisory-board', name: 'Advisory Board', description: 'KI-Use-Case Pruefung', category: 'sdk', icon: '🧑‍⚖️', url: '/sdk/advisory-board' },
+  { id: 'admin-escalations', name: 'Eskalations-Queue', description: 'DSB Review & Freigabe', category: 'sdk', icon: '🚨', url: '/sdk/escalations' },
+  { id: 'admin-compliance-hub', name: 'Compliance Hub', description: 'Zentrales GRC Dashboard', category: 'sdk', icon: '✅', url: '/sdk/compliance-hub' },
+  { id: 'admin-audit-checklist', name: 'Audit Checkliste', description: '476 Anforderungen pruefen', category: 'sdk', icon: '📋', url: '/sdk/audit-checklist' },
+  { id: 'admin-requirements', name: 'Requirements', description: '558+ aus 19 Verordnungen', category: 'sdk', icon: '📜', url: '/sdk/requirements' },
+  { id: 'admin-controls', name: 'Controls', description: '474 Control-Mappings', category: 'sdk', icon: '🎛️', url: '/sdk/controls' },
+  { id: 'admin-evidence', name: 'Evidence', description: 'Nachweise & Dokumentation', category: 'sdk', icon: '📎', url: '/sdk/evidence' },
+  { id: 'admin-risks', name: 'Risiken', description: 'Risk Matrix & Register', category: 'sdk', icon: '⚠️', url: '/sdk/risks' },
+  { id: 'admin-audit-report', name: 'Audit Report', description: 'PDF Audit-Berichte', category: 'sdk', icon: '📊', url: '/sdk/audit-report' },
+  { id: 'admin-modules', name: 'Service Registry', description: '30+ Service-Module', category: 'sdk', icon: '🔧', url: '/sdk/modules' },
+  { id: 'admin-dsms', name: 'DSMS', description: 'Datenschutz-Management-System', category: 'sdk', icon: '🏛️', url: '/sdk/dsms' },
+  { id: 'admin-compliance-workflow', name: 'Workflow', description: 'Freigabe-Workflows', category: 'sdk', icon: '🔄', url: '/sdk/workflow' },
+  { id: 'admin-source-policy', name: 'Quellen-Policy', description: 'Datenquellen & Compliance', category: 'sdk', icon: '📚', url: '/sdk/source-policy' },
+  { id: 'admin-ai-act', name: 'EU-AI-Act', description: 'KI-Risikoklassifizierung', category: 'sdk', icon: '🤖', url: '/sdk/ai-act' },
+  { id: 'admin-obligations', name: 'Pflichten', description: 'NIS2, DSGVO, AI Act', category: 'sdk', icon: '⚡', url: '/sdk/obligations' },
+
+  // === KI & AUTOMATISIERUNG (Teal #14b8a6) ===
+  { id: 'admin-rag', name: 'Daten & RAG', description: 'Training Data & RAG', category: 'ai', icon: '🗄️', url: '/ai/rag' },
+  { id: 'admin-ocr-labeling', name: 'OCR-Labeling', description: 'Handschrift-Training', category: 'ai', icon: '✍️', url: '/ai/ocr-labeling' },
+  { id: 'admin-magic-help', name: 'Magic Help', description: 'TrOCR Handschrift-OCR', category: 'ai', icon: '🪄', url: '/ai/magic-help' },
+  { id: 'admin-klausur-korrektur', name: 'Klausur-Korrektur', description: 'Abitur-Korrektur mit KI', category: 'ai', icon: '📝', url: '/ai/klausur-korrektur' },
+  { id: 'admin-quality', name: 'Qualitaet & Audit', description: 'Compliance-Audit & Traceability', category: 'ai', icon: '✨', url: '/ai/quality' },
+  { id: 'admin-test-quality', name: 'Test Quality (BQAS)', description: 'Golden Suite & Synthetic Tests', category: 'ai', icon: '🧪', url: '/ai/test-quality' },
+  { id: 'admin-agents', name: 'Agent Management', description: 'Multi-Agent & SOUL-Editor', category: 'ai', icon: '🧠', url: '/ai/agents' },
+
+  // === INFRASTRUKTUR (Orange #f97316) ===
+  { id: 'admin-gpu', name: 'GPU Infrastruktur', description: 'vast.ai GPU Management', category: 'infrastructure', icon: '🖥️', url: '/infrastructure/gpu' },
+  { id: 'admin-middleware', name: 'Middleware', description: 'Stack & API Gateway', category: 'infrastructure', icon: '🔧', url: '/infrastructure/middleware' },
+  { id: 'admin-security', name: 'Security', description: 'DevSecOps & Scans', category: 'infrastructure', icon: '🔐', url: '/infrastructure/security' },
+  { id: 'admin-sbom', name: 'SBOM', description: 'Software Bill of Materials', category: 'infrastructure', icon: '📦', url: '/infrastructure/sbom' },
+  { id: 'admin-cicd', name: 'CI/CD', description: 'Pipelines & Deployments', category: 'infrastructure', icon: '🔄', url: '/infrastructure/ci-cd' },
+  { id: 'admin-tests', name: 'Test Dashboard', description: '195+ Tests & Coverage', category: 'infrastructure', icon: '🧪', url: '/infrastructure/tests' },
+
+  // === BILDUNG (Blue #3b82f6) ===
+  { id: 'admin-edu-search', name: 'Education Search', description: 'Bildungsquellen & Crawler', category: 'education', icon: '🔍', url: '/education/edu-search' },
+  { id: 'admin-zeugnisse', name: 'Zeugnisse-Crawler', description: 'Zeugnis-Daten', category: 'education', icon: '📜', url: '/education/zeugnisse-crawler' },
+  { id: 'admin-rag-pipeline', name: 'RAG Pipeline', description: 'Bildungsdokumente indexieren', category: 'ai', icon: '🔗', url: '/ai/rag-pipeline' },
+  { id: 'admin-foerderantrag', name: 'Foerderantrag-Wizard', description: 'DigitalPakt & Landesfoerderung', category: 'education', icon: '💰', url: '/education/foerderantrag' },
+
+  // === KOMMUNIKATION (Green #22c55e) ===
+  { id: 'admin-video', name: 'Video & Chat', description: 'Matrix & Jitsi Monitoring', category: 'communication', icon: '🎥', url: '/communication/video-chat' },
+  { id: 'admin-matrix', name: 'Voice Service', description: 'Voice-First Interface', category: 'communication', icon: '🎙️', url: '/communication/matrix' },
+  { id: 'admin-mail', name: 'Unified Inbox', description: 'E-Mail & KI-Analyse', category: 'communication', icon: '📧', url: '/communication/mail' },
+  { id: 'admin-alerts', name: 'Alerts Monitoring', description: 'Google Alerts & Feeds', category: 'communication', icon: '🔔', url: '/communication/alerts' },
+
+  // === ENTWICKLUNG (Slate #64748b) ===
+  { id: 'admin-workflow', name: 'Dev Workflow', description: 'Git, CI/CD & Team-Regeln', category: 'development', icon: '⚡', url: '/development/workflow' },
+  { id: 'admin-game', name: 'Breakpilot Drive', description: 'Lernspiel Management', category: 'development', icon: '🎮', url: '/development/game' },
+  { id: 'admin-unity', name: 'Unity Bridge', description: 'Unity Editor Steuerung', category: 'development', icon: '🎯', url: '/development/unity-bridge' },
+  { id: 'admin-companion', name: 'Companion Dev', description: 'Lesson-Modus Entwicklung', category: 'development', icon: '📚', url: '/development/companion' },
+  { id: 'admin-docs', name: 'Developer Docs', description: 'API & Architektur', category: 'development', icon: '📖', url: '/development/docs' },
+  { id: 'admin-brandbook', name: 'Brandbook', description: 'Corporate Design', category: 'development', icon: '🎨', url: '/development/brandbook' },
+  { id: 'admin-screen-flow', name: 'Screen Flow', description: 'UI Screen-Verbindungen', category: 'development', icon: '🔀', url: '/development/screen-flow' },
+  { id: 'admin-content', name: 'Uebersetzungen', description: 'Website Content & Sprachen', category: 'development', icon: '🌐', url: '/development/content' },
+]
+
+export const ADMIN_CONNECTIONS: ConnectionDef[] = [
+  // === OVERVIEW/META FLOWS ===
+  { source: 'admin-dashboard', target: 'admin-onboarding', label: 'Erste Schritte' },
+  { source: 'admin-dashboard', target: 'admin-architecture', label: 'System' },
+  { source: 'admin-dashboard', target: 'admin-backlog', label: 'Go-Live' },
+  { source: 'admin-dashboard', target: 'admin-compliance-hub', label: 'Compliance' },
+  { source: 'admin-onboarding', target: 'admin-consent' },
+  { source: 'admin-rbac', target: 'admin-consent' },
+
+  // === DSGVO FLOW ===
+  { source: 'admin-consent', target: 'admin-einwilligungen', label: 'Nutzer' },
+  { source: 'admin-consent', target: 'admin-dsr' },
+  { source: 'admin-dsr', target: 'admin-loeschfristen' },
+  { source: 'admin-vvt', target: 'admin-tom' },
+  { source: 'admin-vvt', target: 'admin-dsfa' },
+  { source: 'admin-dsfa', target: 'admin-tom' },
+  { source: 'admin-advisory-board', target: 'admin-escalations', label: 'Eskalation' },
+  { source: 'admin-advisory-board', target: 'admin-dsfa', label: 'Risiko' },
+
+  // === COMPLIANCE FLOW ===
+  { source: 'admin-compliance-hub', target: 'admin-audit-checklist', label: 'Audit' },
+  { source: 'admin-compliance-hub', target: 'admin-requirements', label: 'Anforderungen' },
+  { source: 'admin-compliance-hub', target: 'admin-risks', label: 'Risiken' },
+  { source: 'admin-compliance-hub', target: 'admin-ai-act', label: 'AI Act' },
+  { source: 'admin-requirements', target: 'admin-controls' },
+  { source: 'admin-controls', target: 'admin-evidence' },
+  { source: 'admin-audit-checklist', target: 'admin-audit-report', label: 'Report' },
+  { source: 'admin-risks', target: 'admin-controls' },
+  { source: 'admin-modules', target: 'admin-controls' },
+  { source: 'admin-source-policy', target: 'admin-rag' },
+  { source: 'admin-obligations', target: 'admin-requirements' },
+  { source: 'admin-dsms', target: 'admin-compliance-workflow' },
+
+  // === KI & AUTOMATISIERUNG FLOW ===
+  { source: 'admin-rag', target: 'admin-quality' },
+  { source: 'admin-rag', target: 'admin-agents' },
+  { source: 'admin-ocr-labeling', target: 'admin-magic-help', label: 'Training' },
+  { source: 'admin-magic-help', target: 'admin-klausur-korrektur', label: 'Korrektur' },
+  { source: 'admin-quality', target: 'admin-test-quality' },
+  { source: 'admin-agents', target: 'admin-test-quality', label: 'BQAS' },
+  { source: 'admin-klausur-korrektur', target: 'admin-quality', label: 'Audit' },
+
+  // === INFRASTRUKTUR FLOW ===
+  { source: 'admin-security', target: 'admin-sbom', label: 'Dependencies' },
+  { source: 'admin-sbom', target: 'admin-tests' },
+  { source: 'admin-tests', target: 'admin-cicd', label: 'Pipeline' },
+  { source: 'admin-cicd', target: 'admin-middleware' },
+  { source: 'admin-middleware', target: 'admin-gpu', label: 'GPU' },
+  { source: 'admin-security', target: 'admin-compliance-hub', label: 'Compliance' },
+
+  // === BILDUNG FLOW ===
+  { source: 'admin-edu-search', target: 'admin-rag', label: 'Quellen' },
+  { source: 'admin-edu-search', target: 'admin-zeugnisse' },
+  { source: 'admin-training', target: 'admin-onboarding' },
+  { source: 'admin-foerderantrag', target: 'admin-docs', label: 'Docs' },
+
+  // === KOMMUNIKATION FLOW ===
+  { source: 'admin-video', target: 'admin-matrix', label: 'Voice' },
+  { source: 'admin-mail', target: 'admin-alerts' },
+  { source: 'admin-alerts', target: 'admin-mail', label: 'Inbox' },
+
+  // === ENTWICKLUNG FLOW ===
+  { source: 'admin-workflow', target: 'admin-cicd', label: 'Pipeline' },
+  { source: 'admin-workflow', target: 'admin-docs' },
+  { source: 'admin-game', target: 'admin-unity', label: 'Editor' },
+  { source: 'admin-companion', target: 'admin-agents', label: 'Agents' },
+  { source: 'admin-brandbook', target: 'admin-screen-flow' },
+  { source: 'admin-docs', target: 'admin-architecture' },
+  { source: 'admin-content', target: 'admin-brandbook' },
+]
+
+// ============================================
+// CATEGORY COLORS
+// ============================================
+
+export const STUDIO_COLORS: Record<string, { bg: string; border: string; text: string }> = {
+  navigation: { bg: '#dbeafe', border: '#3b82f6', text: '#1e40af' },
+  content: { bg: '#dcfce7', border: '#22c55e', text: '#166534' },
+  communication: { bg: '#fef3c7', border: '#f59e0b', text: '#92400e' },
+  school: { bg: '#fce7f3', border: '#ec4899', text: '#9d174d' },
+  admin: { bg: '#f3e8ff', border: '#a855f7', text: '#6b21a8' },
+  ai: { bg: '#cffafe', border: '#06b6d4', text: '#0e7490' },
+}
+
+// Colors from navigation.ts
+export const ADMIN_COLORS: Record<string, { bg: string; border: string; text: string }> = {
+  overview: { bg: '#e0f2fe', border: '#0ea5e9', text: '#0369a1' },
+  dsgvo: { bg: '#ede9fe', border: '#7c3aed', text: '#5b21b6' },
+  compliance: { bg: '#f3e8ff', border: '#9333ea', text: '#6b21a8' },
+  ai: { bg: '#ccfbf1', border: '#14b8a6', text: '#0f766e' },
+  infrastructure: { bg: '#ffedd5', border: '#f97316', text: '#c2410c' },
+  education: { bg: '#dbeafe', border: '#3b82f6', text: '#1e40af' },
+  communication: { bg: '#dcfce7', border: '#22c55e', text: '#166534' },
+  development: { bg: '#f1f5f9', border: '#64748b', text: '#334155' },
+}
+
+export const STUDIO_LABELS: Record<string, string> = {
+  navigation: 'Navigation',
+  content: 'Content & Tools',
+  communication: 'Kommunikation',
+  school: 'Schulverwaltung',
+  admin: 'Administration',
+  ai: 'KI & Assistent',
+}
+
+// Labels from navigation.ts
+export const ADMIN_LABELS: Record<string, string> = {
+  overview: 'Uebersicht & Meta',
+  dsgvo: 'DSGVO',
+  compliance: 'Compliance & GRC',
+  ai: 'KI & Automatisierung',
+  infrastructure: 'Infrastruktur & DevOps',
+  education: 'Bildung & Schule',
+  communication: 'Kommunikation & Alerts',
+  development: 'Entwicklung & Produkte',
+}

admin-lehrer/app/(admin)/development/screen-flow/helpers.ts

@@ -0,0 +1,83 @@
+/**
+ * Screen Flow - Layout and graph traversal helpers
+ */
+
+import type { ScreenDefinition, ConnectionDef, FlowType } from './types'
+
+/**
+ * BFS traversal to find all connected nodes from a start node.
+ */
+export function findConnectedNodes(
+  startNodeId: string,
+  connections: ConnectionDef[],
+  direction: 'children' | 'parents' | 'both' = 'children'
+): Set<string> {
+  const connected = new Set<string>()
+  connected.add(startNodeId)
+
+  const queue = [startNodeId]
+  while (queue.length > 0) {
+    const current = queue.shift()!
+
+    connections.forEach(conn => {
+      if ((direction === 'children' || direction === 'both') && conn.source === current) {
+        if (!connected.has(conn.target)) {
+          connected.add(conn.target)
+          queue.push(conn.target)
+        }
+      }
+      if ((direction === 'parents' || direction === 'both') && conn.target === current) {
+        if (!connected.has(conn.source)) {
+          connected.add(conn.source)
+          queue.push(conn.source)
+        }
+      }
+    })
+  }
+
+  return connected
+}
+
+const STUDIO_POSITIONS: Record<string, { x: number; y: number }> = {
+  navigation: { x: 400, y: 50 },
+  content: { x: 50, y: 250 },
+  communication: { x: 750, y: 250 },
+  school: { x: 50, y: 500 },
+  admin: { x: 750, y: 500 },
+  ai: { x: 400, y: 380 },
+}
+
+const ADMIN_POSITIONS: Record<string, { x: number; y: number }> = {
+  overview: { x: 400, y: 30 },
+  dsgvo: { x: 50, y: 150 },
+  compliance: { x: 700, y: 150 },
+  ai: { x: 50, y: 350 },
+  communication: { x: 400, y: 350 },
+  infrastructure: { x: 700, y: 350 },
+  education: { x: 50, y: 550 },
+  development: { x: 400, y: 550 },
+}
+
+/**
+ * Compute the x/y position for a node based on its category and index.
+ */
+export function getNodePosition(
+  id: string,
+  category: string,
+  screens: ScreenDefinition[],
+  flowType: FlowType
+) {
+  const positions = flowType === 'studio' ? STUDIO_POSITIONS : ADMIN_POSITIONS
+  const base = positions[category] || { x: 400, y: 300 }
+  const categoryScreens = screens.filter(s => s.category === category)
+  const categoryIndex = categoryScreens.findIndex(s => s.id === id)
+
+  const cols = Math.ceil(Math.sqrt(categoryScreens.length + 1))
+  const row = Math.floor(categoryIndex / cols)
+  const col = categoryIndex % cols
+
+  return {
+    x: base.x + col * 160,
+    y: base.y + row * 90,
+  }
+}

admin-lehrer/app/(admin)/development/screen-flow/page.tsx

@@ -8,787 +8,122 @@
  * - Admin v2 (Port 3002): Admin Panel
  */
 
-import { useCallback, useState, useMemo, useEffect } from 'react'
-import ReactFlow, {
-  Node,
-  Edge,
-  Controls,
-  Background,
-  MiniMap,
-  useNodesState,
-  useEdgesState,
-  BackgroundVariant,
-  MarkerType,
-  Panel,
-} from 'reactflow'
-import 'reactflow/dist/style.css'
-
-// ============================================
-// TYPES
-// ============================================
-
-interface ScreenDefinition {
-  id: string
-  name: string
-  description: string
-  category: string
-  icon: string
-  url?: string
-}
-
-interface ConnectionDef {
-  source: string
-  target: string
-  label?: string
-}
-
-type FlowType = 'studio' | 'admin'
-
-// ============================================
-// STUDIO SCREENS (Port 8000)
-// ============================================
-
-const STUDIO_SCREENS: ScreenDefinition[] = [
-  { id: 'lehrer-dashboard', name: 'Mein Dashboard', description: 'Hauptuebersicht mit Widgets', category: 'navigation', icon: '🏠', url: '/app#lehrer-dashboard' },
-  { id: 'lehrer-onboarding', name: 'Erste Schritte', description: 'Onboarding & Schnellstart', category: 'navigation', icon: '🚀', url: '/app#lehrer-onboarding' },
-  { id: 'hilfe', name: 'Dokumentation', description: 'Hilfe & Anleitungen', category: 'navigation', icon: '📚', url: '/app#hilfe' },
-  { id: 'worksheets', name: 'Arbeitsblaetter Studio', description: 'Lernmaterialien erstellen', category: 'content', icon: '📝', url: '/app#worksheets' },
-  { id: 'content-creator', name: 'Content Creator', description: 'Inhalte erstellen', category: 'content', icon: '✨', url: '/app#content-creator' },
-  { id: 'content-feed', name: 'Content Feed', description: 'Inhalte durchsuchen', category: 'content', icon: '📰', url: '/app#content-feed' },
-  { id: 'unit-creator', name: 'Unit Creator', description: 'Lerneinheiten erstellen', category: 'content', icon: '📦', url: '/app#unit-creator' },
-  { id: 'letters', name: 'Briefe & Vorlagen', description: 'Brief-Generator', category: 'content', icon: '✉️', url: '/app#letters' },
-  { id: 'correction', name: 'Korrektur', description: 'Arbeiten korrigieren', category: 'content', icon: '✏️', url: '/app#correction' },
-  { id: 'klausur-korrektur', name: 'Abiturklausuren', description: 'KI-gestuetzte Klausurkorrektur', category: 'content', icon: '📋', url: '/app#klausur-korrektur' },
-  { id: 'jitsi', name: 'Videokonferenz', description: 'Jitsi Meet Integration', category: 'communication', icon: '🎥', url: '/app#jitsi' },
-  { id: 'messenger', name: 'Messenger', description: 'Matrix E2EE Chat', category: 'communication', icon: '💬', url: '/app#messenger' },
-  { id: 'mail', name: 'Unified Inbox', description: 'E-Mail Verwaltung', category: 'communication', icon: '📧', url: '/app#mail' },
-  { id: 'school-classes', name: 'Klassen', description: 'Klassenverwaltung', category: 'school', icon: '👥', url: '/app#school-classes' },
-  { id: 'school-exams', name: 'Pruefungen', description: 'Pruefungsverwaltung', category: 'school', icon: '📝', url: '/app#school-exams' },
-  { id: 'school-grades', name: 'Noten', description: 'Notenverwaltung', category: 'school', icon: '📊', url: '/app#school-grades' },
-  { id: 'school-gradebook', name: 'Notenbuch', description: 'Digitales Notenbuch', category: 'school', icon: '📖', url: '/app#school-gradebook' },
-  { id: 'school-certificates', name: 'Zeugnisse', description: 'Zeugniserstellung', category: 'school', icon: '🎓', url: '/app#school-certificates' },
-  { id: 'companion', name: 'Begleiter & Stunde', description: 'KI-Unterrichtsassistent', category: 'ai', icon: '🤖', url: '/app#companion' },
-  { id: 'alerts', name: 'Alerts', description: 'News & Benachrichtigungen', category: 'ai', icon: '🔔', url: '/app#alerts' },
-  { id: 'admin', name: 'Einstellungen', description: 'Systemeinstellungen', category: 'admin', icon: '⚙️', url: '/app#admin' },
-  { id: 'rbac-admin', name: 'Rollen & Rechte', description: 'Berechtigungsverwaltung', category: 'admin', icon: '🔐', url: '/app#rbac-admin' },
-  { id: 'abitur-docs-admin', name: 'Abitur Dokumente', description: 'Erwartungshorizonte', category: 'admin', icon: '📄', url: '/app#abitur-docs-admin' },
-  { id: 'system-info', name: 'System Info', description: 'Systeminformationen', category: 'admin', icon: '💻', url: '/app#system-info' },
-  { id: 'workflow', name: 'Workflow', description: 'Automatisierungen', category: 'admin', icon: '⚡', url: '/app#workflow' },
-]
-
-const STUDIO_CONNECTIONS: ConnectionDef[] = [
-  { source: 'lehrer-onboarding', target: 'worksheets', label: 'Arbeitsblaetter' },
-  { source: 'lehrer-onboarding', target: 'klausur-korrektur', label: 'Abiturklausuren' },
-  { source: 'lehrer-onboarding', target: 'correction', label: 'Korrektur' },
-  { source: 'lehrer-onboarding', target: 'letters', label: 'Briefe' },
-  { source: 'lehrer-onboarding', target: 'school-classes', label: 'Klassen' },
-  { source: 'lehrer-onboarding', target: 'jitsi', label: 'Meet' },
-  { source: 'lehrer-onboarding', target: 'hilfe', label: 'Doku' },
-  { source: 'lehrer-onboarding', target: 'admin', label: 'Settings' },
-  { source: 'lehrer-dashboard', target: 'worksheets' },
-  { source: 'lehrer-dashboard', target: 'correction' },
-  { source: 'lehrer-dashboard', target: 'jitsi' },
-  { source: 'lehrer-dashboard', target: 'letters' },
-  { source: 'lehrer-dashboard', target: 'messenger' },
-  { source: 'lehrer-dashboard', target: 'klausur-korrektur' },
-  { source: 'lehrer-dashboard', target: 'companion' },
-  { source: 'lehrer-dashboard', target: 'alerts' },
-  { source: 'lehrer-dashboard', target: 'mail' },
-  { source: 'lehrer-dashboard', target: 'school-classes' },
-  { source: 'lehrer-dashboard', target: 'lehrer-onboarding', label: 'Sidebar' },
-  { source: 'school-classes', target: 'school-exams' },
-  { source: 'school-classes', target: 'school-grades' },
-  { source: 'school-grades', target: 'school-gradebook' },
-  { source: 'school-gradebook', target: 'school-certificates' },
-  { source: 'worksheets', target: 'content-creator' },
-  { source: 'worksheets', target: 'unit-creator' },
-  { source: 'content-creator', target: 'content-feed' },
-  { source: 'klausur-korrektur', target: 'abitur-docs-admin' },
-  { source: 'admin', target: 'rbac-admin' },
-  { source: 'admin', target: 'system-info' },
-  { source: 'admin', target: 'workflow' },
-]
-
-// ============================================
-// ADMIN v2 SCREENS (Port 3002)
-// Based on navigation.ts - Last updated: 2026-02-03
-// ============================================
-
-const ADMIN_SCREENS: ScreenDefinition[] = [
-  // === META / OVERVIEW ===
-  { id: 'admin-dashboard', name: 'Dashboard', description: 'Uebersicht & Statistiken', category: 'overview', icon: '🏠', url: '/dashboard' },
-  { id: 'admin-onboarding', name: 'Onboarding', description: 'Lern-Wizards fuer alle Module', category: 'overview', icon: '📖', url: '/onboarding' },
-  { id: 'admin-architecture', name: 'Architektur', description: 'Backend-Module & Datenfluss', category: 'overview', icon: '🏗️', url: '/architecture' },
-  { id: 'admin-backlog', name: 'Production Backlog', description: 'Go-Live Checkliste', category: 'overview', icon: '📝', url: '/backlog' },
-  { id: 'admin-rbac', name: 'RBAC', description: 'Rollen & Berechtigungen', category: 'overview', icon: '👥', url: '/rbac' },
-
-  // === COMPLIANCE SDK (Violet #8b5cf6) ===
-  // DSGVO - Datenschutz & Betroffenenrechte
-  { id: 'admin-consent', name: 'Consent Verwaltung', description: 'Rechtliche Dokumente & Versionen', category: 'sdk', icon: '📄', url: '/sdk/consent-management' },
-  { id: 'admin-dsr', name: 'Datenschutzanfragen', description: 'DSGVO Art. 15-21', category: 'sdk', icon: '🔒', url: '/sdk/dsr' },
-  { id: 'admin-einwilligungen', name: 'Einwilligungen', description: 'Nutzer-Consent Uebersicht', category: 'sdk', icon: '✅', url: '/sdk/einwilligungen' },
-  { id: 'admin-vvt', name: 'VVT', description: 'Verarbeitungsverzeichnis Art. 30', category: 'sdk', icon: '📋', url: '/sdk/vvt' },
-  { id: 'admin-dsfa', name: 'DSFA', description: 'Datenschutz-Folgenabschaetzung', category: 'sdk', icon: '⚖️', url: '/sdk/dsfa' },
-  { id: 'admin-tom', name: 'TOMs', description: 'Technische & Org. Massnahmen', category: 'sdk', icon: '🛡️', url: '/sdk/tom' },
-  { id: 'admin-loeschfristen', name: 'Loeschfristen', description: 'Aufbewahrung & Deadlines', category: 'sdk', icon: '🗑️', url: '/sdk/loeschfristen' },
-  { id: 'admin-advisory-board', name: 'Advisory Board', description: 'KI-Use-Case Pruefung', category: 'sdk', icon: '🧑‍⚖️', url: '/sdk/advisory-board' },
-  { id: 'admin-escalations', name: 'Eskalations-Queue', description: 'DSB Review & Freigabe', category: 'sdk', icon: '🚨', url: '/sdk/escalations' },
-  // Compliance - Audit, GRC & Regulatorik
-  { id: 'admin-compliance-hub', name: 'Compliance Hub', description: 'Zentrales GRC Dashboard', category: 'sdk', icon: '✅', url: '/sdk/compliance-hub' },
-  { id: 'admin-audit-checklist', name: 'Audit Checkliste', description: '476 Anforderungen pruefen', category: 'sdk', icon: '📋', url: '/sdk/audit-checklist' },
-  { id: 'admin-requirements', name: 'Requirements', description: '558+ aus 19 Verordnungen', category: 'sdk', icon: '📜', url: '/sdk/requirements' },
-  { id: 'admin-controls', name: 'Controls', description: '474 Control-Mappings', category: 'sdk', icon: '🎛️', url: '/sdk/controls' },
-  { id: 'admin-evidence', name: 'Evidence', description: 'Nachweise & Dokumentation', category: 'sdk', icon: '📎', url: '/sdk/evidence' },
-  { id: 'admin-risks', name: 'Risiken', description: 'Risk Matrix & Register', category: 'sdk', icon: '⚠️', url: '/sdk/risks' },
-  { id: 'admin-audit-report', name: 'Audit Report', description: 'PDF Audit-Berichte', category: 'sdk', icon: '📊', url: '/sdk/audit-report' },
-  { id: 'admin-modules', name: 'Service Registry', description: '30+ Service-Module', category: 'sdk', icon: '🔧', url: '/sdk/modules' },
-  { id: 'admin-dsms', name: 'DSMS', description: 'Datenschutz-Management-System', category: 'sdk', icon: '🏛️', url: '/sdk/dsms' },
-  { id: 'admin-compliance-workflow', name: 'Workflow', description: 'Freigabe-Workflows', category: 'sdk', icon: '🔄', url: '/sdk/workflow' },
-  { id: 'admin-source-policy', name: 'Quellen-Policy', description: 'Datenquellen & Compliance', category: 'sdk', icon: '📚', url: '/sdk/source-policy' },
-  { id: 'admin-ai-act', name: 'EU-AI-Act', description: 'KI-Risikoklassifizierung', category: 'sdk', icon: '🤖', url: '/sdk/ai-act' },
-  { id: 'admin-obligations', name: 'Pflichten', description: 'NIS2, DSGVO, AI Act', category: 'sdk', icon: '⚡', url: '/sdk/obligations' },
-
-  // === KI & AUTOMATISIERUNG (Teal #14b8a6) ===
-  { id: 'admin-rag', name: 'Daten & RAG', description: 'Training Data & RAG', category: 'ai', icon: '🗄️', url: '/ai/rag' },
-  { id: 'admin-ocr-labeling', name: 'OCR-Labeling', description: 'Handschrift-Training', category: 'ai', icon: '✍️', url: '/ai/ocr-labeling' },
-  { id: 'admin-magic-help', name: 'Magic Help', description: 'TrOCR Handschrift-OCR', category: 'ai', icon: '🪄', url: '/ai/magic-help' },
-  { id: 'admin-klausur-korrektur', name: 'Klausur-Korrektur', description: 'Abitur-Korrektur mit KI', category: 'ai', icon: '📝', url: '/ai/klausur-korrektur' },
-  { id: 'admin-quality', name: 'Qualitaet & Audit', description: 'Compliance-Audit & Traceability', category: 'ai', icon: '✨', url: '/ai/quality' },
-  { id: 'admin-test-quality', name: 'Test Quality (BQAS)', description: 'Golden Suite & Synthetic Tests', category: 'ai', icon: '🧪', url: '/ai/test-quality' },
-  { id: 'admin-agents', name: 'Agent Management', description: 'Multi-Agent & SOUL-Editor', category: 'ai', icon: '🧠', url: '/ai/agents' },
-
-  // === INFRASTRUKTUR (Orange #f97316) ===
-  { id: 'admin-gpu', name: 'GPU Infrastruktur', description: 'vast.ai GPU Management', category: 'infrastructure', icon: '🖥️', url: '/infrastructure/gpu' },
-  { id: 'admin-middleware', name: 'Middleware', description: 'Stack & API Gateway', category: 'infrastructure', icon: '🔧', url: '/infrastructure/middleware' },
-  { id: 'admin-security', name: 'Security', description: 'DevSecOps & Scans', category: 'infrastructure', icon: '🔐', url: '/infrastructure/security' },
-  { id: 'admin-sbom', name: 'SBOM', description: 'Software Bill of Materials', category: 'infrastructure', icon: '📦', url: '/infrastructure/sbom' },
-  { id: 'admin-cicd', name: 'CI/CD', description: 'Pipelines & Deployments', category: 'infrastructure', icon: '🔄', url: '/infrastructure/ci-cd' },
-  { id: 'admin-tests', name: 'Test Dashboard', description: '195+ Tests & Coverage', category: 'infrastructure', icon: '🧪', url: '/infrastructure/tests' },
-
-  // === BILDUNG (Blue #3b82f6) ===
-  { id: 'admin-edu-search', name: 'Education Search', description: 'Bildungsquellen & Crawler', category: 'education', icon: '🔍', url: '/education/edu-search' },
-  { id: 'admin-zeugnisse', name: 'Zeugnisse-Crawler', description: 'Zeugnis-Daten', category: 'education', icon: '📜', url: '/education/zeugnisse-crawler' },
-  { id: 'admin-rag-pipeline', name: 'RAG Pipeline', description: 'Bildungsdokumente indexieren', category: 'ai', icon: '🔗', url: '/ai/rag-pipeline' },
-  { id: 'admin-foerderantrag', name: 'Foerderantrag-Wizard', description: 'DigitalPakt & Landesfoerderung', category: 'education', icon: '💰', url: '/education/foerderantrag' },
-
-  // === KOMMUNIKATION (Green #22c55e) ===
-  { id: 'admin-video', name: 'Video & Chat', description: 'Matrix & Jitsi Monitoring', category: 'communication', icon: '🎥', url: '/communication/video-chat' },
-  { id: 'admin-matrix', name: 'Voice Service', description: 'Voice-First Interface', category: 'communication', icon: '🎙️', url: '/communication/matrix' },
-  { id: 'admin-mail', name: 'Unified Inbox', description: 'E-Mail & KI-Analyse', category: 'communication', icon: '📧', url: '/communication/mail' },
-  { id: 'admin-alerts', name: 'Alerts Monitoring', description: 'Google Alerts & Feeds', category: 'communication', icon: '🔔', url: '/communication/alerts' },
-
-  // === ENTWICKLUNG (Slate #64748b) ===
-  { id: 'admin-workflow', name: 'Dev Workflow', description: 'Git, CI/CD & Team-Regeln', category: 'development', icon: '⚡', url: '/development/workflow' },
-  { id: 'admin-game', name: 'Breakpilot Drive', description: 'Lernspiel Management', category: 'development', icon: '🎮', url: '/development/game' },
-  { id: 'admin-unity', name: 'Unity Bridge', description: 'Unity Editor Steuerung', category: 'development', icon: '🎯', url: '/development/unity-bridge' },
-  { id: 'admin-companion', name: 'Companion Dev', description: 'Lesson-Modus Entwicklung', category: 'development', icon: '📚', url: '/development/companion' },
-  { id: 'admin-docs', name: 'Developer Docs', description: 'API & Architektur', category: 'development', icon: '📖', url: '/development/docs' },
-  { id: 'admin-brandbook', name: 'Brandbook', description: 'Corporate Design', category: 'development', icon: '🎨', url: '/development/brandbook' },
-  { id: 'admin-screen-flow', name: 'Screen Flow', description: 'UI Screen-Verbindungen', category: 'development', icon: '🔀', url: '/development/screen-flow' },
-  { id: 'admin-content', name: 'Uebersetzungen', description: 'Website Content & Sprachen', category: 'development', icon: '🌐', url: '/development/content' },
-]
-
-const ADMIN_CONNECTIONS: ConnectionDef[] = [
-  // === OVERVIEW/META FLOWS ===
-  { source: 'admin-dashboard', target: 'admin-onboarding', label: 'Erste Schritte' },
-  { source: 'admin-dashboard', target: 'admin-architecture', label: 'System' },
-  { source: 'admin-dashboard', target: 'admin-backlog', label: 'Go-Live' },
-  { source: 'admin-dashboard', target: 'admin-compliance-hub', label: 'Compliance' },
-  { source: 'admin-onboarding', target: 'admin-consent' },
-  { source: 'admin-rbac', target: 'admin-consent' },
-
-  // === DSGVO FLOW ===
-  { source: 'admin-consent', target: 'admin-einwilligungen', label: 'Nutzer' },
-  { source: 'admin-consent', target: 'admin-dsr' },
-  { source: 'admin-dsr', target: 'admin-loeschfristen' },
-  { source: 'admin-vvt', target: 'admin-tom' },
-  { source: 'admin-vvt', target: 'admin-dsfa' },
-  { source: 'admin-dsfa', target: 'admin-tom' },
-  { source: 'admin-advisory-board', target: 'admin-escalations', label: 'Eskalation' },
-  { source: 'admin-advisory-board', target: 'admin-dsfa', label: 'Risiko' },
-
-  // === COMPLIANCE FLOW ===
-  { source: 'admin-compliance-hub', target: 'admin-audit-checklist', label: 'Audit' },
-  { source: 'admin-compliance-hub', target: 'admin-requirements', label: 'Anforderungen' },
-  { source: 'admin-compliance-hub', target: 'admin-risks', label: 'Risiken' },
-  { source: 'admin-compliance-hub', target: 'admin-ai-act', label: 'AI Act' },
-  { source: 'admin-requirements', target: 'admin-controls' },
-  { source: 'admin-controls', target: 'admin-evidence' },
-  { source: 'admin-audit-checklist', target: 'admin-audit-report', label: 'Report' },
-  { source: 'admin-risks', target: 'admin-controls' },
-  { source: 'admin-modules', target: 'admin-controls' },
-  { source: 'admin-source-policy', target: 'admin-rag' },
-  { source: 'admin-obligations', target: 'admin-requirements' },
-  { source: 'admin-dsms', target: 'admin-compliance-workflow' },
-
-  // === KI & AUTOMATISIERUNG FLOW ===
-  { source: 'admin-rag', target: 'admin-quality' },
-  { source: 'admin-rag', target: 'admin-agents' },
-  { source: 'admin-ocr-labeling', target: 'admin-magic-help', label: 'Training' },
-  { source: 'admin-magic-help', target: 'admin-klausur-korrektur', label: 'Korrektur' },
-  { source: 'admin-quality', target: 'admin-test-quality' },
-  { source: 'admin-agents', target: 'admin-test-quality', label: 'BQAS' },
-  { source: 'admin-klausur-korrektur', target: 'admin-quality', label: 'Audit' },
-
-  // === INFRASTRUKTUR FLOW ===
-  { source: 'admin-security', target: 'admin-sbom', label: 'Dependencies' },
-  { source: 'admin-sbom', target: 'admin-tests' },
-  { source: 'admin-tests', target: 'admin-cicd', label: 'Pipeline' },
-  { source: 'admin-cicd', target: 'admin-middleware' },
-  { source: 'admin-middleware', target: 'admin-gpu', label: 'GPU' },
-  { source: 'admin-security', target: 'admin-compliance-hub', label: 'Compliance' },
-
-  // === BILDUNG FLOW ===
-  { source: 'admin-edu-search', target: 'admin-rag', label: 'Quellen' },
-  { source: 'admin-edu-search', target: 'admin-zeugnisse' },
-  { source: 'admin-training', target: 'admin-onboarding' },
-  { source: 'admin-foerderantrag', target: 'admin-docs', label: 'Docs' },
-
-  // === KOMMUNIKATION FLOW ===
-  { source: 'admin-video', target: 'admin-matrix', label: 'Voice' },
-  { source: 'admin-mail', target: 'admin-alerts' },
-  { source: 'admin-alerts', target: 'admin-mail', label: 'Inbox' },
-
-  // === ENTWICKLUNG FLOW ===
-  { source: 'admin-workflow', target: 'admin-cicd', label: 'Pipeline' },
-  { source: 'admin-workflow', target: 'admin-docs' },
-  { source: 'admin-game', target: 'admin-unity', label: 'Editor' },
-  { source: 'admin-companion', target: 'admin-agents', label: 'Agents' },
-  { source: 'admin-brandbook', target: 'admin-screen-flow' },
-  { source: 'admin-docs', target: 'admin-architecture' },
-  { source: 'admin-content', target: 'admin-brandbook' },
-]
-
-// ============================================
-// CATEGORY COLORS
-// ============================================
-
-const STUDIO_COLORS: Record<string, { bg: string; border: string; text: string }> = {
-  navigation: { bg: '#dbeafe', border: '#3b82f6', text: '#1e40af' },
-  content: { bg: '#dcfce7', border: '#22c55e', text: '#166534' },
-  communication: { bg: '#fef3c7', border: '#f59e0b', text: '#92400e' },
-  school: { bg: '#fce7f3', border: '#ec4899', text: '#9d174d' },
-  admin: { bg: '#f3e8ff', border: '#a855f7', text: '#6b21a8' },
-  ai: { bg: '#cffafe', border: '#06b6d4', text: '#0e7490' },
-}
-
-// Colors from navigation.ts
-const ADMIN_COLORS: Record<string, { bg: string; border: string; text: string }> = {
-  overview: { bg: '#e0f2fe', border: '#0ea5e9', text: '#0369a1' },      // Sky (Meta)
-  dsgvo: { bg: '#ede9fe', border: '#7c3aed', text: '#5b21b6' },         // Violet
-  compliance: { bg: '#f3e8ff', border: '#9333ea', text: '#6b21a8' },    // Purple
-  ai: { bg: '#ccfbf1', border: '#14b8a6', text: '#0f766e' },            // Teal
-  infrastructure: { bg: '#ffedd5', border: '#f97316', text: '#c2410c' },// Orange
-  education: { bg: '#dbeafe', border: '#3b82f6', text: '#1e40af' },     // Blue
-  communication: { bg: '#dcfce7', border: '#22c55e', text: '#166534' }, // Green
-  development: { bg: '#f1f5f9', border: '#64748b', text: '#334155' },   // Slate
-}
-
-const STUDIO_LABELS: Record<string, string> = {
-  navigation: 'Navigation',
-  content: 'Content & Tools',
-  communication: 'Kommunikation',
-  school: 'Schulverwaltung',
-  admin: 'Administration',
-  ai: 'KI & Assistent',
-}
-
-// Labels from navigation.ts
-const ADMIN_LABELS: Record<string, string> = {
-  overview: 'Uebersicht & Meta',
-  dsgvo: 'DSGVO',
-  compliance: 'Compliance & GRC',
-  ai: 'KI & Automatisierung',
-  infrastructure: 'Infrastruktur & DevOps',
-  education: 'Bildung & Schule',
-  communication: 'Kommunikation & Alerts',
-  development: 'Entwicklung & Produkte',
-}
-
-// ============================================
-// HELPER: Find all connected nodes (recursive)
-// ============================================
-
-function findConnectedNodes(
-  startNodeId: string,
-  connections: ConnectionDef[],
-  direction: 'children' | 'parents' | 'both' = 'children'
-): Set<string> {
-  const connected = new Set<string>()
-  connected.add(startNodeId)
-
-  const queue = [startNodeId]
-  while (queue.length > 0) {
-    const current = queue.shift()!
-
-    connections.forEach(conn => {
-      if ((direction === 'children' || direction === 'both') && conn.source === current) {
-        if (!connected.has(conn.target)) {
-          connected.add(conn.target)
-          queue.push(conn.target)
-        }
-      }
-      if ((direction === 'parents' || direction === 'both') && conn.target === current) {
-        if (!connected.has(conn.source)) {
-          connected.add(conn.source)
-          queue.push(conn.source)
-        }
-      }
-    })
-  }
-
-  return connected
-}
-
-// ============================================
-// LAYOUT HELPERS
-// ============================================
-
-const getNodePosition = (
-  id: string,
-  category: string,
-  screens: ScreenDefinition[],
-  flowType: FlowType
-) => {
-  const studioPositions: Record<string, { x: number; y: number }> = {
-    navigation: { x: 400, y: 50 },
-    content: { x: 50, y: 250 },
-    communication: { x: 750, y: 250 },
-    school: { x: 50, y: 500 },
-    admin: { x: 750, y: 500 },
-    ai: { x: 400, y: 380 },
-  }
-
-  const adminPositions: Record<string, { x: number; y: number }> = {
-    overview: { x: 400, y: 30 },
-    dsgvo: { x: 50, y: 150 },
-    compliance: { x: 700, y: 150 },
-    ai: { x: 50, y: 350 },
-    communication: { x: 400, y: 350 },
-    infrastructure: { x: 700, y: 350 },
-    education: { x: 50, y: 550 },
-    development: { x: 400, y: 550 },
-  }
-
-  const positions = flowType === 'studio' ? studioPositions : adminPositions
-  const base = positions[category] || { x: 400, y: 300 }
-  const categoryScreens = screens.filter(s => s.category === category)
-  const categoryIndex = categoryScreens.findIndex(s => s.id === id)
-
-  const cols = Math.ceil(Math.sqrt(categoryScreens.length + 1))
-  const row = Math.floor(categoryIndex / cols)
-  const col = categoryIndex % cols
-
-  return {
-    x: base.x + col * 160,
-    y: base.y + row * 90,
-  }
-}
-
-// ============================================
-// MAIN COMPONENT
-// ============================================
+import { useCallback } from 'react'
+import { useScreenFlow } from './useScreenFlow'
+import {
+  FlowTypeSelector,
+  StatsBar,
+  CategoryFilter,
+  ConnectedScreensList,
+  FlowDiagram,
+  ScreenList,
+} from './_components'
+import type { ScreenDefinition } from './types'
 
 export default function ScreenFlowPage() {
-  const [flowType, setFlowType] = useState<FlowType>('admin')
-  const [selectedCategory, setSelectedCategory] = useState<string | null>(null)
-  const [selectedNode, setSelectedNode] = useState<string | null>(null)
-  const [previewScreen, setPreviewScreen] = useState<ScreenDefinition | null>(null)
+  const {
+    flowType,
+    selectedCategory,
+    setSelectedCategory,
+    selectedNode,
+    setSelectedNode,
+    previewScreen,
+    setPreviewScreen,
+    screens,
+    colors,
+    labels,
+    baseUrl,
+    nodes,
+    edges,
+    onNodesChange,
+    onEdgesChange,
+    handleFlowTypeChange,
+    onNodeClick,
+    onPaneClick,
+    stats,
+    categories,
+    connectedScreens,
+  } = useScreenFlow()
 
-  // Get data based on flow type
-  const screens = flowType === 'studio' ? STUDIO_SCREENS : ADMIN_SCREENS
-  const connections = flowType === 'studio' ? STUDIO_CONNECTIONS : ADMIN_CONNECTIONS
-  const colors = flowType === 'studio' ? STUDIO_COLORS : ADMIN_COLORS
-  const labels = flowType === 'studio' ? STUDIO_LABELS : ADMIN_LABELS
-  const baseUrl = flowType === 'studio' ? 'http://macmini:8000' : 'http://macmini:3002'
-
-  // Calculate connected nodes
-  const connectedNodes = useMemo(() => {
-    if (!selectedNode) return new Set<string>()
-    return findConnectedNodes(selectedNode, connections, 'children')
-  }, [selectedNode, connections])
-
-  // Create nodes with useMemo
-  const initialNodes = useMemo((): Node[] => {
-    return screens.map((screen) => {
-      const catColors = colors[screen.category] || { bg: '#f1f5f9', border: '#94a3b8', text: '#475569' }
-      const position = getNodePosition(screen.id, screen.category, screens, flowType)
-
-      // Determine opacity
-      let opacity = 1
-      if (selectedNode) {
-        opacity = connectedNodes.has(screen.id) ? 1 : 0.2
-      } else if (selectedCategory) {
-        opacity = screen.category === selectedCategory ? 1 : 0.2
-      }
-
-      const isSelected = selectedNode === screen.id
-
-      return {
-        id: screen.id,
-        type: 'default',
-        position,
-        data: {
-          label: (
-            <div className="text-center p-1">
-              <div className="text-lg mb-1">{screen.icon}</div>
-              <div className="font-medium text-xs leading-tight">{screen.name}</div>
-            </div>
-          ),
-        },
-        style: {
-          background: isSelected ? catColors.border : catColors.bg,
-          color: isSelected ? 'white' : catColors.text,
-          border: `2px solid ${catColors.border}`,
-          borderRadius: '12px',
-          padding: '6px',
-          minWidth: '110px',
-          opacity,
-          cursor: 'pointer',
-          boxShadow: isSelected ? `0 0 20px ${catColors.border}` : 'none',
-        },
-      }
-    })
-  }, [screens, colors, flowType, selectedCategory, selectedNode, connectedNodes])
-
-  // Create edges with useMemo
-  const initialEdges = useMemo((): Edge[] => {
-    return connections.map((conn, index) => {
-      const isHighlighted = selectedNode && (conn.source === selectedNode || conn.target === selectedNode)
-      const isInSubtree = selectedNode && connectedNodes.has(conn.source) && connectedNodes.has(conn.target)
-
-      return {
-        id: `e-${conn.source}-${conn.target}-${index}`,
-        source: conn.source,
-        target: conn.target,
-        label: conn.label,
-        type: 'smoothstep',
-        animated: isHighlighted || false,
-        style: {
-          stroke: isHighlighted ? '#3b82f6' : (isInSubtree ? '#94a3b8' : '#e2e8f0'),
-          strokeWidth: isHighlighted ? 3 : 1.5,
-          opacity: selectedNode ? (isInSubtree ? 1 : 0.15) : 1,
-        },
-        labelStyle: { fontSize: 9, fill: '#64748b' },
-        labelBgStyle: { fill: '#f8fafc' },
-        markerEnd: { type: MarkerType.ArrowClosed, color: isHighlighted ? '#3b82f6' : '#94a3b8', width: 15, height: 15 },
-      }
-    })
-  }, [connections, selectedNode, connectedNodes])
-
-  const [nodes, setNodes, onNodesChange] = useNodesState([])
-  const [edges, setEdges, onEdgesChange] = useEdgesState([])
-
-  // Update nodes/edges when dependencies change
-  useEffect(() => {
-    setNodes(initialNodes)
-    setEdges(initialEdges)
-  }, [initialNodes, initialEdges, setNodes, setEdges])
-
-  // Reset when flow type changes
-  const handleFlowTypeChange = useCallback((newType: FlowType) => {
-    setFlowType(newType)
+  const handleReset = useCallback(() => {
     setSelectedNode(null)
-    setSelectedCategory(null)
     setPreviewScreen(null)
-  }, [])
+  }, [setSelectedNode, setPreviewScreen])
 
-  // Handle node click
-  const onNodeClick = useCallback((_event: React.MouseEvent, node: Node) => {
-    const screen = screens.find(s => s.id === node.id)
-
-    if (selectedNode === node.id) {
-      // Double-click: open in new tab
-      if (screen?.url) {
-        window.open(`${baseUrl}${screen.url}`, '_blank')
-      }
-      return
-    }
-
-    setSelectedNode(node.id)
+  const handleCategoryReset = useCallback(() => {
     setSelectedCategory(null)
+    setSelectedNode(null)
+    setPreviewScreen(null)
+  }, [setSelectedCategory, setSelectedNode, setPreviewScreen])
 
-    if (screen) {
+  const handleSelectCategory = useCallback((category: string | null) => {
+    setSelectedCategory(category)
+    setSelectedNode(null)
+    setPreviewScreen(null)
+  }, [setSelectedCategory, setSelectedNode, setPreviewScreen])
+
+  const handleSelectScreen = useCallback((screen: ScreenDefinition) => {
+    setSelectedNode(screen.id)
+    setSelectedCategory(null)
     setPreviewScreen(screen)
-    }
-  }, [screens, baseUrl, selectedNode])
-
-  // Handle background click - deselect
-  const onPaneClick = useCallback(() => {
-    setSelectedNode(null)
-    setPreviewScreen(null)
-  }, [])
-
-  // Stats
-  const stats = {
-    totalScreens: screens.length,
-    totalConnections: connections.length,
-    connectedCount: connectedNodes.size,
-  }
-
-  const categories = Object.keys(labels)
-
-  // Connected screens list
-  const connectedScreens = selectedNode
-    ? screens.filter(s => connectedNodes.has(s.id))
-    : []
+  }, [setSelectedNode, setSelectedCategory, setPreviewScreen])
 
   return (
     <div className="space-y-6">
-      {/* Flow Type Selector */}
-      <div className="grid grid-cols-2 gap-4">
-        <button
-          onClick={() => handleFlowTypeChange('studio')}
-          className={`p-6 rounded-xl border-2 transition-all ${
-            flowType === 'studio'
-              ? 'border-green-500 bg-green-50 shadow-lg'
-              : 'border-slate-200 bg-white hover:border-slate-300'
-          }`}
-        >
-          <div className="flex items-center gap-4">
-            <div className={`w-14 h-14 rounded-xl flex items-center justify-center text-2xl ${
-              flowType === 'studio' ? 'bg-green-500 text-white' : 'bg-slate-100'
-            }`}>
-              🎓
-            </div>
-            <div className="text-left">
-              <div className="font-bold text-lg">Studio (Port 8000)</div>
-              <div className="text-sm text-slate-500">Lehrer-Oberflaeche</div>
-              <div className="text-xs text-slate-400 mt-1">{STUDIO_SCREENS.length} Screens</div>
-            </div>
-          </div>
-        </button>
+      <FlowTypeSelector
+        flowType={flowType}
+        onFlowTypeChange={handleFlowTypeChange}
+      />
 
-        <button
-          onClick={() => handleFlowTypeChange('admin')}
-          className={`p-6 rounded-xl border-2 transition-all ${
-            flowType === 'admin'
-              ? 'border-primary-500 bg-primary-50 shadow-lg'
-              : 'border-slate-200 bg-white hover:border-slate-300'
-          }`}
-        >
-          <div className="flex items-center gap-4">
-            <div className={`w-14 h-14 rounded-xl flex items-center justify-center text-2xl ${
-              flowType === 'admin' ? 'bg-primary-500 text-white' : 'bg-slate-100'
-            }`}>
-              ⚙️
-            </div>
-            <div className="text-left">
-              <div className="font-bold text-lg">Admin v2 (Port 3002)</div>
-              <div className="text-sm text-slate-500">Admin Panel</div>
-              <div className="text-xs text-slate-400 mt-1">{ADMIN_SCREENS.length} Screens</div>
-            </div>
-          </div>
-        </button>
-      </div>
+      <StatsBar
+        totalScreens={stats.totalScreens}
+        totalConnections={stats.totalConnections}
+        connectedCount={stats.connectedCount}
+        selectedNode={selectedNode}
+        previewScreen={previewScreen}
+        onReset={handleReset}
+      />
 
-      {/* Stats & Selection Info */}
-      <div className="grid grid-cols-4 gap-4">
-        <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
-          <div className="text-3xl font-bold text-slate-800">{stats.totalScreens}</div>
-          <div className="text-sm text-slate-500">Screens</div>
-        </div>
-        <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
-          <div className="text-3xl font-bold text-primary-600">{stats.totalConnections}</div>
-          <div className="text-sm text-slate-500">Verbindungen</div>
-        </div>
-        <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm col-span-2">
-          {selectedNode ? (
-            <div className="flex items-center gap-3">
-              <div className="text-3xl">{previewScreen?.icon}</div>
-              <div>
-                <div className="font-bold text-slate-800">{previewScreen?.name}</div>
-                <div className="text-sm text-slate-500">
-                  {stats.connectedCount} verbundene Screen{stats.connectedCount !== 1 ? 's' : ''}
-                </div>
-              </div>
-              <button
-                onClick={() => {
-                  setSelectedNode(null)
-                  setPreviewScreen(null)
-                }}
-                className="ml-auto px-3 py-1 text-sm bg-slate-100 hover:bg-slate-200 rounded-lg"
-              >
-                Zuruecksetzen
-              </button>
-            </div>
-          ) : (
-            <div className="text-slate-500 text-sm">
-              Klicke auf einen Screen um den Subtree zu sehen
-            </div>
-          )}
-        </div>
-      </div>
+      <CategoryFilter
+        screens={screens}
+        categories={categories}
+        colors={colors}
+        labels={labels}
+        selectedCategory={selectedCategory}
+        selectedNode={selectedNode}
+        onSelectCategory={handleSelectCategory}
+        onReset={handleCategoryReset}
+      />
 
-      {/* Category Filter */}
-      <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
-        <div className="flex flex-wrap gap-2">
-          <button
-            onClick={() => {
-              setSelectedCategory(null)
-              setSelectedNode(null)
-              setPreviewScreen(null)
-            }}
-            className={`px-4 py-2 rounded-lg text-sm font-medium transition-colors ${
-              selectedCategory === null && !selectedNode
-                ? 'bg-slate-800 text-white'
-                : 'bg-slate-100 text-slate-700 hover:bg-slate-200'
-            }`}
-          >
-            Alle ({screens.length})
-          </button>
-          {categories.map((key) => {
-            const count = screens.filter(s => s.category === key).length
-            const catColors = colors[key] || { bg: '#f1f5f9', border: '#94a3b8', text: '#475569' }
-            return (
-              <button
-                key={key}
-                onClick={() => {
-                  setSelectedCategory(selectedCategory === key ? null : key)
-                  setSelectedNode(null)
-                  setPreviewScreen(null)
-                }}
-                className="px-4 py-2 rounded-lg text-sm font-medium transition-all flex items-center gap-2"
-                style={{
-                  background: selectedCategory === key ? catColors.border : catColors.bg,
-                  color: selectedCategory === key ? 'white' : catColors.text,
-                }}
-              >
-                <span className="w-3 h-3 rounded-full" style={{ background: catColors.border }} />
-                {labels[key]} ({count})
-              </button>
-            )
-          })}
-        </div>
-      </div>
+      <ConnectedScreensList
+        selectedNode={selectedNode}
+        connectedScreens={connectedScreens}
+        colors={colors}
+        baseUrl={baseUrl}
+      />
 
-      {/* Connected Screens List */}
-      {selectedNode && connectedScreens.length > 1 && (
-        <div className="bg-white rounded-xl border border-slate-200 p-4 shadow-sm">
-          <div className="text-sm font-medium text-slate-700 mb-3">Verbundene Screens:</div>
-          <div className="flex flex-wrap gap-2">
-            {connectedScreens.map((screen) => {
-              const catColors = colors[screen.category] || { bg: '#f1f5f9', border: '#94a3b8', text: '#475569' }
-              const isCurrentNode = screen.id === selectedNode
-              return (
-                <button
-                  key={screen.id}
-                  onClick={() => {
-                    if (screen.url) {
-                      window.open(`${baseUrl}${screen.url}`, '_blank')
-                    }
-                  }}
-                  className={`px-3 py-2 rounded-lg text-sm font-medium transition-all flex items-center gap-2 ${
-                    isCurrentNode ? 'ring-2 ring-primary-500' : ''
-                  }`}
-                  style={{
-                    background: isCurrentNode ? catColors.border : catColors.bg,
-                    color: isCurrentNode ? 'white' : catColors.text,
-                  }}
-                >
-                  <span>{screen.icon}</span>
-                  {screen.name}
-                </button>
-              )
-            })}
-          </div>
-        </div>
-      )}
-
-      {/* Flow Diagram */}
-      <div className="bg-white rounded-xl border border-slate-200 shadow-sm overflow-hidden" style={{ height: '500px' }}>
-        <ReactFlow
+      <FlowDiagram
+        flowType={flowType}
         nodes={nodes}
         edges={edges}
         onNodesChange={onNodesChange}
         onEdgesChange={onEdgesChange}
         onNodeClick={onNodeClick}
         onPaneClick={onPaneClick}
-          fitView
-          fitViewOptions={{ padding: 0.2 }}
-          attributionPosition="bottom-left"
-        >
-          <Controls />
-          <MiniMap
-            nodeColor={(node) => {
-              const screen = screens.find(s => s.id === node.id)
-              const catColors = screen ? colors[screen.category] : null
-              return catColors?.border || '#94a3b8'
-            }}
-            maskColor="rgba(0, 0, 0, 0.1)"
+        screens={screens}
+        colors={colors}
+        labels={labels}
+        categories={categories}
       />
-          <Background variant={BackgroundVariant.Dots} gap={12} size={1} />
 
-          <Panel position="top-left" className="bg-white/95 p-3 rounded-lg shadow-lg text-xs">
-            <div className="font-medium text-slate-700 mb-2">
-              {flowType === 'studio' ? '🎓 Studio' : '⚙️ Admin v2'}
-            </div>
-            <div className="space-y-1">
-              {categories.slice(0, 4).map((key) => {
-                const catColors = colors[key] || { bg: '#f1f5f9', border: '#94a3b8' }
-                return (
-                  <div key={key} className="flex items-center gap-2">
-                    <span
-                      className="w-3 h-3 rounded"
-                      style={{ background: catColors.bg, border: `1px solid ${catColors.border}` }}
+      <ScreenList
+        screens={screens}
+        colors={colors}
+        labels={labels}
+        baseUrl={baseUrl}
+        selectedCategory={selectedCategory}
+        onSelectScreen={handleSelectScreen}
       />
-                    <span className="text-slate-600">{labels[key]}</span>
-                  </div>
-                )
-              })}
-            </div>
-            <div className="mt-2 pt-2 border-t text-slate-400">
-              Klick = Subtree<br/>
-              Doppelklick = Oeffnen
-            </div>
-          </Panel>
-        </ReactFlow>
-      </div>
-
-      {/* Screen List */}
-      <div className="bg-white rounded-xl border border-slate-200 shadow-sm overflow-hidden">
-        <div className="px-4 py-3 bg-slate-50 border-b flex items-center justify-between">
-          <h3 className="font-medium text-slate-700">
-            Alle Screens ({screens.length})
-          </h3>
-          <span className="text-xs text-slate-400">{baseUrl}</span>
-        </div>
-        <div className="divide-y max-h-80 overflow-y-auto">
-          {screens
-            .filter(s => !selectedCategory || s.category === selectedCategory)
-            .map((screen) => {
-              const catColors = colors[screen.category] || { bg: '#f1f5f9', border: '#94a3b8', text: '#475569' }
-              return (
-                <button
-                  key={screen.id}
-                  onClick={() => {
-                    setSelectedNode(screen.id)
-                    setSelectedCategory(null)
-                    setPreviewScreen(screen)
-                  }}
-                  className="w-full flex items-center gap-4 p-3 hover:bg-slate-50 transition-colors text-left"
-                >
-                  <span
-                    className="w-9 h-9 rounded-lg flex items-center justify-center text-lg"
-                    style={{ background: catColors.bg }}
-                  >
-                    {screen.icon}
-                  </span>
-                  <div className="flex-1 min-w-0">
-                    <div className="font-medium text-slate-800 text-sm">{screen.name}</div>
-                    <div className="text-xs text-slate-500 truncate">{screen.description}</div>
-                  </div>
-                  <span
-                    className="px-2 py-1 rounded text-xs font-medium shrink-0"
-                    style={{ background: catColors.bg, color: catColors.text }}
-                  >
-                    {labels[screen.category]}
-                  </span>
-                </button>
-              )
-            })}
-        </div>
-      </div>
     </div>
   )
 }

admin-lehrer/app/(admin)/development/screen-flow/types.ts

@@ -0,0 +1,20 @@
+/**
+ * Screen Flow - Type definitions
+ */
+
+export interface ScreenDefinition {
+  id: string
+  name: string
+  description: string
+  category: string
+  icon: string
+  url?: string
+}
+
+export interface ConnectionDef {
+  source: string
+  target: string
+  label?: string
+}
+
+export type FlowType = 'studio' | 'admin'

admin-lehrer/app/(admin)/development/screen-flow/useScreenFlow.tsx

@@ -0,0 +1,182 @@
+'use client'
+
+/**
+ * Screen Flow - State management hook
+ */
+
+import { useCallback, useState, useMemo, useEffect } from 'react'
+import { Node, Edge, useNodesState, useEdgesState, MarkerType } from 'reactflow'
+
+import type { ScreenDefinition, FlowType } from './types'
+import {
+  STUDIO_SCREENS, ADMIN_SCREENS,
+  STUDIO_CONNECTIONS, ADMIN_CONNECTIONS,
+  STUDIO_COLORS, ADMIN_COLORS,
+  STUDIO_LABELS, ADMIN_LABELS,
+} from './data'
+import { findConnectedNodes, getNodePosition } from './helpers'
+
+export function useScreenFlow() {
+  const [flowType, setFlowType] = useState<FlowType>('admin')
+  const [selectedCategory, setSelectedCategory] = useState<string | null>(null)
+  const [selectedNode, setSelectedNode] = useState<string | null>(null)
+  const [previewScreen, setPreviewScreen] = useState<ScreenDefinition | null>(null)
+
+  // Derived data based on flow type
+  const screens = flowType === 'studio' ? STUDIO_SCREENS : ADMIN_SCREENS
+  const connections = flowType === 'studio' ? STUDIO_CONNECTIONS : ADMIN_CONNECTIONS
+  const colors = flowType === 'studio' ? STUDIO_COLORS : ADMIN_COLORS
+  const labels = flowType === 'studio' ? STUDIO_LABELS : ADMIN_LABELS
+  const baseUrl = flowType === 'studio' ? 'http://macmini:8000' : 'http://macmini:3002'
+
+  // BFS connected nodes
+  const connectedNodes = useMemo(() => {
+    if (!selectedNode) return new Set<string>()
+    return findConnectedNodes(selectedNode, connections, 'children')
+  }, [selectedNode, connections])
+
+  // Build ReactFlow nodes
+  const initialNodes = useMemo((): Node[] => {
+    return screens.map((screen) => {
+      const catColors = colors[screen.category] || { bg: '#f1f5f9', border: '#94a3b8', text: '#475569' }
+      const position = getNodePosition(screen.id, screen.category, screens, flowType)
+
+      let opacity = 1
+      if (selectedNode) {
+        opacity = connectedNodes.has(screen.id) ? 1 : 0.2
+      } else if (selectedCategory) {
+        opacity = screen.category === selectedCategory ? 1 : 0.2
+      }
+
+      const isSelected = selectedNode === screen.id
+
+      return {
+        id: screen.id,
+        type: 'default',
+        position,
+        data: {
+          label: (
+            <div className="text-center p-1">
+              <div className="text-lg mb-1">{screen.icon}</div>
+              <div className="font-medium text-xs leading-tight">{screen.name}</div>
+            </div>
+          ),
+        },
+        style: {
+          background: isSelected ? catColors.border : catColors.bg,
+          color: isSelected ? 'white' : catColors.text,
+          border: `2px solid ${catColors.border}`,
+          borderRadius: '12px',
+          padding: '6px',
+          minWidth: '110px',
+          opacity,
+          cursor: 'pointer',
+          boxShadow: isSelected ? `0 0 20px ${catColors.border}` : 'none',
+        },
+      }
+    })
+  }, [screens, colors, flowType, selectedCategory, selectedNode, connectedNodes])
+
+  // Build ReactFlow edges
+  const initialEdges = useMemo((): Edge[] => {
+    return connections.map((conn, index) => {
+      const isHighlighted = selectedNode && (conn.source === selectedNode || conn.target === selectedNode)
+      const isInSubtree = selectedNode && connectedNodes.has(conn.source) && connectedNodes.has(conn.target)
+
+      return {
+        id: `e-${conn.source}-${conn.target}-${index}`,
+        source: conn.source,
+        target: conn.target,
+        label: conn.label,
+        type: 'smoothstep',
+        animated: isHighlighted || false,
+        style: {
+          stroke: isHighlighted ? '#3b82f6' : (isInSubtree ? '#94a3b8' : '#e2e8f0'),
+          strokeWidth: isHighlighted ? 3 : 1.5,
+          opacity: selectedNode ? (isInSubtree ? 1 : 0.15) : 1,
+        },
+        labelStyle: { fontSize: 9, fill: '#64748b' },
+        labelBgStyle: { fill: '#f8fafc' },
+        markerEnd: { type: MarkerType.ArrowClosed, color: isHighlighted ? '#3b82f6' : '#94a3b8', width: 15, height: 15 },
+      }
+    })
+  }, [connections, selectedNode, connectedNodes])
+
+  const [nodes, setNodes, onNodesChange] = useNodesState([])
+  const [edges, setEdges, onEdgesChange] = useEdgesState([])
+
+  // Sync memoized nodes/edges into ReactFlow state
+  useEffect(() => {
+    setNodes(initialNodes)
+    setEdges(initialEdges)
+  }, [initialNodes, initialEdges, setNodes, setEdges])
+
+  // Reset on flow type change
+  const handleFlowTypeChange = useCallback((newType: FlowType) => {
+    setFlowType(newType)
+    setSelectedNode(null)
+    setSelectedCategory(null)
+    setPreviewScreen(null)
+  }, [])
+
+  // Node click: select or open on double-click
+  const onNodeClick = useCallback((_event: React.MouseEvent, node: Node) => {
+    const screen = screens.find(s => s.id === node.id)
+
+    if (selectedNode === node.id) {
+      if (screen?.url) {
+        window.open(`${baseUrl}${screen.url}`, '_blank')
+      }
+      return
+    }
+
+    setSelectedNode(node.id)
+    setSelectedCategory(null)
+    if (screen) {
+      setPreviewScreen(screen)
+    }
+  }, [screens, baseUrl, selectedNode])
+
+  // Background click: deselect
+  const onPaneClick = useCallback(() => {
+    setSelectedNode(null)
+    setPreviewScreen(null)
+  }, [])
+
+  const stats = {
+    totalScreens: screens.length,
+    totalConnections: connections.length,
+    connectedCount: connectedNodes.size,
+  }
+
+  const categories = Object.keys(labels)
+
+  const connectedScreens = selectedNode
+    ? screens.filter(s => connectedNodes.has(s.id))
+    : []
+
+  return {
+    flowType,
+    selectedCategory,
+    setSelectedCategory,
+    selectedNode,
+    setSelectedNode,
+    previewScreen,
+    setPreviewScreen,
+    screens,
+    colors,
+    labels,
+    baseUrl,
+    connectedNodes,
+    nodes,
+    edges,
+    onNodesChange,
+    onEdgesChange,
+    handleFlowTypeChange,
+    onNodeClick,
+    onPaneClick,
+    stats,
+    categories,
+    connectedScreens,
+  }
+}

admin-lehrer/app/(admin)/education/abitur-archiv/_components/DocumentDisplay.tsx

@@ -0,0 +1,214 @@
+import {
+  FileText, ChevronLeft, ChevronRight, Eye, Download, Loader2,
+} from 'lucide-react'
+import type { AbiturDokument } from '@/lib/education/abitur-docs-types'
+import { formatFileSize, FAECHER } from '@/lib/education/abitur-docs-types'
+import { DokumentCard } from '../components/DokumentCard'
+
+interface DocumentDisplayProps {
+  documents: AbiturDokument[]
+  loading: boolean
+  error: string | null
+  viewMode: 'grid' | 'list'
+  hasActiveFilters: boolean
+  onClearFilters: () => void
+  onSelectDocument: (doc: AbiturDokument) => void
+  onDownload: (doc: AbiturDokument) => void
+  onAddToKlausur: (doc: AbiturDokument) => void
+  onRetry: () => void
+  // Pagination
+  page: number
+  totalPages: number
+  total: number
+  limit: number
+  onPageChange: (page: number) => void
+}
+
+export function DocumentDisplay({
+  documents, loading, error, viewMode, hasActiveFilters,
+  onClearFilters, onSelectDocument, onDownload, onAddToKlausur, onRetry,
+  page, totalPages, total, limit, onPageChange,
+}: DocumentDisplayProps) {
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 overflow-hidden">
+      {loading ? (
+        <div className="flex items-center justify-center py-16">
+          <Loader2 className="w-8 h-8 text-blue-600 animate-spin" />
+        </div>
+      ) : error ? (
+        <div className="text-center py-16 text-red-600">
+          <p>{error}</p>
+          <button
+            onClick={onRetry}
+            className="mt-2 text-sm text-blue-600 hover:underline"
+          >
+            Erneut versuchen
+          </button>
+        </div>
+      ) : documents.length === 0 ? (
+        <div className="text-center py-16 text-slate-500">
+          <FileText className="w-12 h-12 mx-auto mb-3 opacity-50" />
+          <p>Keine Dokumente gefunden</p>
+          {hasActiveFilters && (
+            <button
+              onClick={onClearFilters}
+              className="mt-2 text-sm text-blue-600 hover:underline"
+            >
+              Filter zuruecksetzen
+            </button>
+          )}
+        </div>
+      ) : viewMode === 'grid' ? (
+        <div className="p-4">
+          <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-4">
+            {documents.map((doc) => (
+              <DokumentCard
+                key={doc.id}
+                document={doc}
+                onPreview={onSelectDocument}
+                onDownload={onDownload}
+                onAddToKlausur={onAddToKlausur}
+              />
+            ))}
+          </div>
+        </div>
+      ) : (
+        <ListView
+          documents={documents}
+          onSelectDocument={onSelectDocument}
+          onDownload={onDownload}
+        />
+      )}
+
+      {/* Pagination */}
+      {documents.length > 0 && (
+        <div className="flex items-center justify-between px-4 py-3 border-t border-slate-200 bg-slate-50">
+          <div className="text-sm text-slate-500">
+            Zeige {(page - 1) * limit + 1}-{Math.min(page * limit, total)} von {total} Dokumenten
+          </div>
+          <div className="flex items-center gap-2">
+            <button
+              onClick={() => onPageChange(Math.max(1, page - 1))}
+              disabled={page === 1}
+              className="p-2 rounded-lg hover:bg-slate-200 disabled:opacity-50 disabled:cursor-not-allowed"
+            >
+              <ChevronLeft className="w-4 h-4" />
+            </button>
+            <span className="text-sm text-slate-600">
+              Seite {page} von {totalPages}
+            </span>
+            <button
+              onClick={() => onPageChange(Math.min(totalPages, page + 1))}
+              disabled={page === totalPages}
+              className="p-2 rounded-lg hover:bg-slate-200 disabled:opacity-50 disabled:cursor-not-allowed"
+            >
+              <ChevronRight className="w-4 h-4" />
+            </button>
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}
+
+function ListView({
+  documents,
+  onSelectDocument,
+  onDownload,
+}: {
+  documents: AbiturDokument[]
+  onSelectDocument: (doc: AbiturDokument) => void
+  onDownload: (doc: AbiturDokument) => void
+}) {
+  return (
+    <table className="w-full text-sm">
+      <thead className="bg-slate-50 border-b border-slate-200">
+        <tr>
+          <th className="text-left px-4 py-3 font-medium text-slate-600">Dokument</th>
+          <th className="text-left px-4 py-3 font-medium text-slate-600">Fach</th>
+          <th className="text-center px-4 py-3 font-medium text-slate-600">Jahr</th>
+          <th className="text-center px-4 py-3 font-medium text-slate-600">Niveau</th>
+          <th className="text-center px-4 py-3 font-medium text-slate-600">Typ</th>
+          <th className="text-right px-4 py-3 font-medium text-slate-600">Groesse</th>
+          <th className="text-center px-4 py-3 font-medium text-slate-600">Status</th>
+          <th className="text-center px-4 py-3 font-medium text-slate-600">Aktion</th>
+        </tr>
+      </thead>
+      <tbody>
+        {documents.map((doc) => {
+          const fachLabel = FAECHER.find(f => f.id === doc.fach)?.label || doc.fach
+          return (
+            <tr
+              key={doc.id}
+              className="border-b border-slate-100 hover:bg-slate-50 cursor-pointer"
+              onClick={() => onSelectDocument(doc)}
+            >
+              <td className="px-4 py-3">
+                <div className="flex items-center gap-2">
+                  <FileText className="w-4 h-4 text-red-500" />
+                  <span className="font-medium text-slate-900 truncate max-w-[200px]" title={doc.dateiname}>
+                    {doc.dateiname}
+                  </span>
+                </div>
+              </td>
+              <td className="px-4 py-3">
+                <span className="capitalize">{fachLabel}</span>
+              </td>
+              <td className="px-4 py-3 text-center">{doc.jahr}</td>
+              <td className="px-4 py-3 text-center">
+                <span className={`px-2 py-0.5 rounded-full text-xs ${
+                  doc.niveau === 'eA'
+                    ? 'bg-blue-100 text-blue-700'
+                    : 'bg-slate-100 text-slate-700'
+                }`}>
+                  {doc.niveau}
+                </span>
+              </td>
+              <td className="px-4 py-3 text-center">
+                <span className={`px-2 py-0.5 rounded-full text-xs ${
+                  doc.typ === 'erwartungshorizont'
+                    ? 'bg-orange-100 text-orange-700'
+                    : 'bg-purple-100 text-purple-700'
+                }`}>
+                  {doc.typ === 'erwartungshorizont' ? 'EWH' : 'Aufgabe'}
+                </span>
+              </td>
+              <td className="px-4 py-3 text-right text-slate-500">
+                {formatFileSize(doc.file_size)}
+              </td>
+              <td className="px-4 py-3 text-center">
+                <span className={`px-2 py-0.5 rounded-full text-xs ${
+                  doc.status === 'indexed'
+                    ? 'bg-green-100 text-green-700'
+                    : doc.status === 'error'
+                    ? 'bg-red-100 text-red-700'
+                    : 'bg-yellow-100 text-yellow-700'
+                }`}>
+                  {doc.status === 'indexed' ? 'Indexiert' : doc.status === 'error' ? 'Fehler' : 'Ausstehend'}
+                </span>
+              </td>
+              <td className="px-4 py-3 text-center">
+                <div className="flex items-center justify-center gap-1" onClick={(e) => e.stopPropagation()}>
+                  <button
+                    onClick={() => onSelectDocument(doc)}
+                    className="p-1.5 text-blue-600 hover:bg-blue-50 rounded"
+                    title="Vorschau"
+                  >
+                    <Eye className="w-4 h-4" />
+                  </button>
+                  <button
+                    onClick={() => onDownload(doc)}
+                    className="p-1.5 text-slate-600 hover:bg-slate-100 rounded"
+                    title="Download"
+                  >
+                    <Download className="w-4 h-4" />
+                  </button>
+                </div>
+              </td>
+            </tr>
+          )
+        })}
+      </tbody>
+    </table>
+  )
+}

admin-lehrer/app/(admin)/education/abitur-archiv/_components/FilterBar.tsx

@@ -0,0 +1,174 @@
+import {
+  Filter, X, LayoutGrid, List,
+} from 'lucide-react'
+import {
+  FAECHER,
+  JAHRE,
+  BUNDESLAENDER,
+  NIVEAUS,
+  TYPEN,
+} from '@/lib/education/abitur-docs-types'
+import type { ViewMode } from '@/lib/education/abitur-archiv-types'
+
+interface FilterBarProps {
+  filterOpen: boolean
+  onToggleFilter: () => void
+  hasActiveFilters: boolean
+  onClearFilters: () => void
+  total: number
+  viewMode: ViewMode
+  onViewModeChange: (mode: ViewMode) => void
+  filterFach: string
+  filterJahr: string
+  filterBundesland: string
+  filterNiveau: string
+  filterTyp: string
+  onFachChange: (v: string) => void
+  onJahrChange: (v: string) => void
+  onBundeslandChange: (v: string) => void
+  onNiveauChange: (v: string) => void
+  onTypChange: (v: string) => void
+  onResetPage: () => void
+  searchQuery: string
+}
+
+export function FilterBar({
+  filterOpen, onToggleFilter, hasActiveFilters, onClearFilters,
+  total, viewMode, onViewModeChange,
+  filterFach, filterJahr, filterBundesland, filterNiveau, filterTyp,
+  onFachChange, onJahrChange, onBundeslandChange, onNiveauChange, onTypChange,
+  onResetPage, searchQuery,
+}: FilterBarProps) {
+  const activeCount = [filterFach, filterJahr, filterBundesland, filterNiveau, filterTyp, searchQuery].filter(Boolean).length
+
+  return (
+    <div className="bg-white rounded-xl border border-slate-200 p-4">
+      <div className="flex items-center justify-between mb-4">
+        <div className="flex items-center gap-3">
+          <button
+            onClick={onToggleFilter}
+            className={`px-4 py-2 rounded-lg font-medium flex items-center gap-2 transition-colors ${
+              filterOpen || hasActiveFilters
+                ? 'bg-purple-100 text-purple-700'
+                : 'bg-slate-100 text-slate-600 hover:bg-slate-200'
+            }`}
+          >
+            <Filter className="w-4 h-4" />
+            Filter
+            {hasActiveFilters && (
+              <span className="bg-purple-600 text-white text-xs px-1.5 py-0.5 rounded-full">
+                {activeCount}
+              </span>
+            )}
+          </button>
+
+          {hasActiveFilters && (
+            <button
+              onClick={onClearFilters}
+              className="text-sm text-slate-500 hover:text-slate-700 flex items-center gap-1"
+            >
+              <X className="w-4 h-4" />
+              Filter zuruecksetzen
+            </button>
+          )}
+        </div>
+
+        <div className="flex items-center gap-3">
+          <span className="text-sm text-slate-500">{total} Treffer</span>
+
+          <div className="flex bg-slate-100 rounded-lg p-1">
+            <button
+              onClick={() => onViewModeChange('grid')}
+              className={`p-2 rounded-md transition-colors ${
+                viewMode === 'grid' ? 'bg-white shadow-sm text-blue-600' : 'text-slate-500 hover:text-slate-700'
+              }`}
+              title="Raster-Ansicht"
+            >
+              <LayoutGrid className="w-4 h-4" />
+            </button>
+            <button
+              onClick={() => onViewModeChange('list')}
+              className={`p-2 rounded-md transition-colors ${
+                viewMode === 'list' ? 'bg-white shadow-sm text-blue-600' : 'text-slate-500 hover:text-slate-700'
+              }`}
+              title="Listen-Ansicht"
+            >
+              <List className="w-4 h-4" />
+            </button>
+          </div>
+        </div>
+      </div>
+
+      {/* Filter Dropdowns */}
+      {filterOpen && (
+        <div className="grid grid-cols-2 md:grid-cols-5 gap-3 pt-4 border-t border-slate-200">
+          <div>
+            <label className="block text-xs text-slate-500 mb-1">Fach</label>
+            <select
+              value={filterFach}
+              onChange={(e) => { onFachChange(e.target.value); onResetPage() }}
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500"
+            >
+              <option value="">Alle Faecher</option>
+              {FAECHER.map(f => (
+                <option key={f.id} value={f.id}>{f.label}</option>
+              ))}
+            </select>
+          </div>
+          <div>
+            <label className="block text-xs text-slate-500 mb-1">Jahr</label>
+            <select
+              value={filterJahr}
+              onChange={(e) => { onJahrChange(e.target.value); onResetPage() }}
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500"
+            >
+              <option value="">Alle Jahre</option>
+              {JAHRE.map(j => (
+                <option key={j} value={j}>{j}</option>
+              ))}
+            </select>
+          </div>
+          <div>
+            <label className="block text-xs text-slate-500 mb-1">Bundesland</label>
+            <select
+              value={filterBundesland}
+              onChange={(e) => { onBundeslandChange(e.target.value); onResetPage() }}
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500"
+            >
+              <option value="">Alle Bundeslaender</option>
+              {BUNDESLAENDER.map(b => (
+                <option key={b.id} value={b.id}>{b.label}</option>
+              ))}
+            </select>
+          </div>
+          <div>
+            <label className="block text-xs text-slate-500 mb-1">Niveau</label>
+            <select
+              value={filterNiveau}
+              onChange={(e) => { onNiveauChange(e.target.value); onResetPage() }}
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500"
+            >
+              <option value="">Alle Niveaus</option>
+              {NIVEAUS.map(n => (
+                <option key={n.id} value={n.id}>{n.label}</option>
+              ))}
+            </select>
+          </div>
+          <div>
+            <label className="block text-xs text-slate-500 mb-1">Typ</label>
+            <select
+              value={filterTyp}
+              onChange={(e) => { onTypChange(e.target.value); onResetPage() }}
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500"
+            >
+              <option value="">Alle Typen</option>
+              {TYPEN.map(t => (
+                <option key={t.id} value={t.id}>{t.label}</option>
+              ))}
+            </select>
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}

admin-lehrer/app/(admin)/education/abitur-archiv/_components/useAbiturArchiv.ts

@@ -0,0 +1,147 @@
+import { useState, useEffect, useCallback } from 'react'
+import type { AbiturDokument } from '@/lib/education/abitur-docs-types'
+import type { ViewMode, ThemaSuggestion } from '@/lib/education/abitur-archiv-types'
+
+export function useAbiturArchiv() {
+  // Documents state
+  const [documents, setDocuments] = useState<AbiturDokument[]>([])
+  const [loading, setLoading] = useState(true)
+  const [error, setError] = useState<string | null>(null)
+
+  // Pagination
+  const [page, setPage] = useState(1)
+  const [totalPages, setTotalPages] = useState(1)
+  const [total, setTotal] = useState(0)
+  const limit = 20
+
+  // View mode
+  const [viewMode, setViewMode] = useState<ViewMode>('grid')
+
+  // Filters
+  const [filterOpen, setFilterOpen] = useState(false)
+  const [filterFach, setFilterFach] = useState<string>('')
+  const [filterJahr, setFilterJahr] = useState<string>('')
+  const [filterBundesland, setFilterBundesland] = useState<string>('')
+  const [filterNiveau, setFilterNiveau] = useState<string>('')
+  const [filterTyp, setFilterTyp] = useState<string>('')
+
+  // Theme search
+  const [searchQuery, setSearchQuery] = useState<string>('')
+  const [themes, setThemes] = useState<ThemaSuggestion[]>([])
+
+  // Modal
+  const [selectedDocument, setSelectedDocument] = useState<AbiturDokument | null>(null)
+
+  // Stats
+  const [stats, setStats] = useState({ total: 0, indexed: 0, faecher: 0 })
+
+  const fetchDocuments = useCallback(async () => {
+    setLoading(true)
+    setError(null)
+
+    const params = new URLSearchParams()
+    params.set('page', page.toString())
+    params.set('limit', limit.toString())
+    if (filterFach) params.set('fach', filterFach)
+    if (filterJahr) params.set('jahr', filterJahr)
+    if (filterBundesland) params.set('bundesland', filterBundesland)
+    if (filterNiveau) params.set('niveau', filterNiveau)
+    if (filterTyp) params.set('typ', filterTyp)
+    if (searchQuery) params.set('thema', searchQuery)
+
+    try {
+      const response = await fetch(`/api/education/abitur-archiv?${params.toString()}`)
+      if (!response.ok) throw new Error('Fehler beim Laden der Dokumente')
+
+      const data = await response.json()
+      setDocuments(data.documents || [])
+      setTotalPages(data.total_pages || 1)
+      setTotal(data.total || 0)
+      setThemes(data.themes || [])
+
+      const indexed = (data.documents || []).filter((d: AbiturDokument) => d.status === 'indexed').length
+      const uniqueFaecher = new Set((data.documents || []).map((d: AbiturDokument) => d.fach)).size
+      setStats({ total: data.total || 0, indexed, faecher: uniqueFaecher })
+    } catch (err) {
+      setError(err instanceof Error ? err.message : 'Unbekannter Fehler')
+    } finally {
+      setLoading(false)
+    }
+  }, [page, filterFach, filterJahr, filterBundesland, filterNiveau, filterTyp, searchQuery])
+
+  useEffect(() => {
+    fetchDocuments()
+  }, [fetchDocuments])
+
+  const clearFilters = () => {
+    setFilterFach('')
+    setFilterJahr('')
+    setFilterBundesland('')
+    setFilterNiveau('')
+    setFilterTyp('')
+    setSearchQuery('')
+    setPage(1)
+  }
+
+  const handleSearch = (query: string) => {
+    setSearchQuery(query)
+    setPage(1)
+  }
+
+  const handleClearSearch = () => {
+    setSearchQuery('')
+    setPage(1)
+  }
+
+  const handleDownload = (doc: AbiturDokument) => {
+    const link = window.document.createElement('a')
+    link.href = doc.file_path
+    link.download = doc.dateiname
+    link.click()
+  }
+
+  const handleAddToKlausur = (doc: AbiturDokument) => {
+    const params = new URLSearchParams()
+    params.set('archiv_doc_id', doc.id)
+    params.set('aufgabentyp', doc.typ === 'erwartungshorizont' ? 'vorlage' : 'aufgabe')
+    window.location.href = `/education/klausur-korrektur?${params.toString()}`
+  }
+
+  const hasActiveFilters = !!(filterFach || filterJahr || filterBundesland || filterNiveau || filterTyp || searchQuery)
+
+  return {
+    documents,
+    loading,
+    error,
+    page,
+    setPage,
+    totalPages,
+    total,
+    limit,
+    viewMode,
+    setViewMode,
+    filterOpen,
+    setFilterOpen,
+    filterFach,
+    setFilterFach,
+    filterJahr,
+    setFilterJahr,
+    filterBundesland,
+    setFilterBundesland,
+    filterNiveau,
+    setFilterNiveau,
+    filterTyp,
+    setFilterTyp,
+    searchQuery,
+    selectedDocument,
+    setSelectedDocument,
+    stats,
+    clearFilters,
+    handleSearch,
+    handleClearSearch,
+    handleDownload,
+    handleAddToKlausur,
+    hasActiveFilters,
+    fetchDocuments,
+  }
+}

admin-lehrer/app/(admin)/education/abitur-archiv/page.tsx

@@ -5,134 +5,49 @@
  * Zentralabitur-Materialien 2021-2025 mit erweiterter Themensuche
  */
 
-import { useState, useEffect, useCallback } from 'react'
-import {
-  FileText, Filter, ChevronLeft, ChevronRight, Eye, Download, Search,
-  X, Loader2, Grid, List, LayoutGrid, BarChart3, Archive
-} from 'lucide-react'
-import type { AbiturDokument, AbiturDocsResponse } from '@/lib/education/abitur-docs-types'
-import {
-  formatFileSize,
-  FAECHER,
-  JAHRE,
-  BUNDESLAENDER,
-  NIVEAUS,
-  TYPEN,
-} from '@/lib/education/abitur-docs-types'
-import type { ViewMode, ThemaSuggestion } from '@/lib/education/abitur-archiv-types'
+import { Search, X, Archive } from 'lucide-react'
 import { ThemenSuche } from './components/ThemenSuche'
-import { DokumentCard } from './components/DokumentCard'
 import { FullscreenViewer } from './components/FullscreenViewer'
+import { useAbiturArchiv } from './_components/useAbiturArchiv'
+import { FilterBar } from './_components/FilterBar'
+import { DocumentDisplay } from './_components/DocumentDisplay'
 
 export default function AbiturArchivPage() {
-  // Documents state
-  const [documents, setDocuments] = useState<AbiturDokument[]>([])
-  const [loading, setLoading] = useState(true)
-  const [error, setError] = useState<string | null>(null)
-
-  // Pagination
-  const [page, setPage] = useState(1)
-  const [totalPages, setTotalPages] = useState(1)
-  const [total, setTotal] = useState(0)
-  const limit = 20
-
-  // View mode
-  const [viewMode, setViewMode] = useState<ViewMode>('grid')
-
-  // Filters
-  const [filterOpen, setFilterOpen] = useState(false)
-  const [filterFach, setFilterFach] = useState<string>('')
-  const [filterJahr, setFilterJahr] = useState<string>('')
-  const [filterBundesland, setFilterBundesland] = useState<string>('')
-  const [filterNiveau, setFilterNiveau] = useState<string>('')
-  const [filterTyp, setFilterTyp] = useState<string>('')
-
-  // Theme search
-  const [searchQuery, setSearchQuery] = useState<string>('')
-  const [themes, setThemes] = useState<ThemaSuggestion[]>([])
-
-  // Modal
-  const [selectedDocument, setSelectedDocument] = useState<AbiturDokument | null>(null)
-
-  // Stats
-  const [stats, setStats] = useState({ total: 0, indexed: 0, faecher: 0 })
-
-  // Fetch documents
-  const fetchDocuments = useCallback(async () => {
-    setLoading(true)
-    setError(null)
-
-    const params = new URLSearchParams()
-    params.set('page', page.toString())
-    params.set('limit', limit.toString())
-    if (filterFach) params.set('fach', filterFach)
-    if (filterJahr) params.set('jahr', filterJahr)
-    if (filterBundesland) params.set('bundesland', filterBundesland)
-    if (filterNiveau) params.set('niveau', filterNiveau)
-    if (filterTyp) params.set('typ', filterTyp)
-    if (searchQuery) params.set('thema', searchQuery)
-
-    try {
-      const response = await fetch(`/api/education/abitur-archiv?${params.toString()}`)
-      if (!response.ok) throw new Error('Fehler beim Laden der Dokumente')
-
-      const data = await response.json()
-      setDocuments(data.documents || [])
-      setTotalPages(data.total_pages || 1)
-      setTotal(data.total || 0)
-      setThemes(data.themes || [])
-
-      // Update stats
-      const indexed = (data.documents || []).filter((d: AbiturDokument) => d.status === 'indexed').length
-      const uniqueFaecher = new Set((data.documents || []).map((d: AbiturDokument) => d.fach)).size
-      setStats({ total: data.total || 0, indexed, faecher: uniqueFaecher })
-    } catch (err) {
-      setError(err instanceof Error ? err.message : 'Unbekannter Fehler')
-    } finally {
-      setLoading(false)
-    }
-  }, [page, filterFach, filterJahr, filterBundesland, filterNiveau, filterTyp, searchQuery])
-
-  useEffect(() => {
-    fetchDocuments()
-  }, [fetchDocuments])
-
-  const clearFilters = () => {
-    setFilterFach('')
-    setFilterJahr('')
-    setFilterBundesland('')
-    setFilterNiveau('')
-    setFilterTyp('')
-    setSearchQuery('')
-    setPage(1)
-  }
-
-  const handleSearch = (query: string) => {
-    setSearchQuery(query)
-    setPage(1)
-  }
-
-  const handleClearSearch = () => {
-    setSearchQuery('')
-    setPage(1)
-  }
-
-  const handleDownload = (doc: AbiturDokument) => {
-    const link = window.document.createElement('a')
-    link.href = doc.file_path
-    link.download = doc.dateiname
-    link.click()
-  }
-
-  const handleAddToKlausur = (doc: AbiturDokument) => {
-    // Navigate to klausur-korrektur with document reference
-    const params = new URLSearchParams()
-    params.set('archiv_doc_id', doc.id)
-    params.set('aufgabentyp', doc.typ === 'erwartungshorizont' ? 'vorlage' : 'aufgabe')
-    window.location.href = `/education/klausur-korrektur?${params.toString()}`
-  }
-
-  const hasActiveFilters = filterFach || filterJahr || filterBundesland || filterNiveau || filterTyp || searchQuery
+  const {
+    documents,
+    loading,
+    error,
+    page,
+    setPage,
+    totalPages,
+    total,
+    limit,
+    viewMode,
+    setViewMode,
+    filterOpen,
+    setFilterOpen,
+    filterFach,
+    setFilterFach,
+    filterJahr,
+    setFilterJahr,
+    filterBundesland,
+    setFilterBundesland,
+    filterNiveau,
+    setFilterNiveau,
+    filterTyp,
+    setFilterTyp,
+    searchQuery,
+    selectedDocument,
+    setSelectedDocument,
+    stats,
+    clearFilters,
+    handleSearch,
+    handleClearSearch,
+    handleDownload,
+    handleAddToKlausur,
+    hasActiveFilters,
+    fetchDocuments,
+  } = useAbiturArchiv()
 
   return (
     <div className="min-h-screen bg-slate-50">
@@ -173,154 +88,30 @@ export default function AbiturArchivPage() {
       <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 py-6 space-y-6">
         {/* Theme Search */}
         <div className="bg-white rounded-xl border border-slate-200 p-6">
-          <ThemenSuche
-            onSearch={handleSearch}
-            onClear={handleClearSearch}
+          <ThemenSuche onSearch={handleSearch} onClear={handleClearSearch} />
+        </div>
+
+        <FilterBar
+          filterOpen={filterOpen}
+          onToggleFilter={() => setFilterOpen(!filterOpen)}
+          hasActiveFilters={hasActiveFilters}
+          onClearFilters={clearFilters}
+          total={total}
+          viewMode={viewMode}
+          onViewModeChange={setViewMode}
+          filterFach={filterFach}
+          filterJahr={filterJahr}
+          filterBundesland={filterBundesland}
+          filterNiveau={filterNiveau}
+          filterTyp={filterTyp}
+          onFachChange={setFilterFach}
+          onJahrChange={setFilterJahr}
+          onBundeslandChange={setFilterBundesland}
+          onNiveauChange={setFilterNiveau}
+          onTypChange={setFilterTyp}
+          onResetPage={() => setPage(1)}
+          searchQuery={searchQuery}
         />
-        </div>
-
-        {/* Filter Bar */}
-        <div className="bg-white rounded-xl border border-slate-200 p-4">
-          <div className="flex items-center justify-between mb-4">
-            <div className="flex items-center gap-3">
-              <button
-                onClick={() => setFilterOpen(!filterOpen)}
-                className={`px-4 py-2 rounded-lg font-medium flex items-center gap-2 transition-colors ${
-                  filterOpen || hasActiveFilters
-                    ? 'bg-purple-100 text-purple-700'
-                    : 'bg-slate-100 text-slate-600 hover:bg-slate-200'
-                }`}
-              >
-                <Filter className="w-4 h-4" />
-                Filter
-                {hasActiveFilters && (
-                  <span className="bg-purple-600 text-white text-xs px-1.5 py-0.5 rounded-full">
-                    {[filterFach, filterJahr, filterBundesland, filterNiveau, filterTyp, searchQuery].filter(Boolean).length}
-                  </span>
-                )}
-              </button>
-
-              {hasActiveFilters && (
-                <button
-                  onClick={clearFilters}
-                  className="text-sm text-slate-500 hover:text-slate-700 flex items-center gap-1"
-                >
-                  <X className="w-4 h-4" />
-                  Filter zuruecksetzen
-                </button>
-              )}
-            </div>
-
-            <div className="flex items-center gap-3">
-              {/* Results count */}
-              <span className="text-sm text-slate-500">
-                {total} Treffer
-              </span>
-
-              {/* View Mode Toggle */}
-              <div className="flex bg-slate-100 rounded-lg p-1">
-                <button
-                  onClick={() => setViewMode('grid')}
-                  className={`p-2 rounded-md transition-colors ${
-                    viewMode === 'grid' ? 'bg-white shadow-sm text-blue-600' : 'text-slate-500 hover:text-slate-700'
-                  }`}
-                  title="Raster-Ansicht"
-                >
-                  <LayoutGrid className="w-4 h-4" />
-                </button>
-                <button
-                  onClick={() => setViewMode('list')}
-                  className={`p-2 rounded-md transition-colors ${
-                    viewMode === 'list' ? 'bg-white shadow-sm text-blue-600' : 'text-slate-500 hover:text-slate-700'
-                  }`}
-                  title="Listen-Ansicht"
-                >
-                  <List className="w-4 h-4" />
-                </button>
-              </div>
-            </div>
-          </div>
-
-          {/* Filter Dropdowns */}
-          {filterOpen && (
-            <div className="grid grid-cols-2 md:grid-cols-5 gap-3 pt-4 border-t border-slate-200">
-              {/* Fach */}
-              <div>
-                <label className="block text-xs text-slate-500 mb-1">Fach</label>
-                <select
-                  value={filterFach}
-                  onChange={(e) => { setFilterFach(e.target.value); setPage(1) }}
-                  className="w-full px-3 py-2 border border-slate-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500"
-                >
-                  <option value="">Alle Faecher</option>
-                  {FAECHER.map(f => (
-                    <option key={f.id} value={f.id}>{f.label}</option>
-                  ))}
-                </select>
-              </div>
-
-              {/* Jahr */}
-              <div>
-                <label className="block text-xs text-slate-500 mb-1">Jahr</label>
-                <select
-                  value={filterJahr}
-                  onChange={(e) => { setFilterJahr(e.target.value); setPage(1) }}
-                  className="w-full px-3 py-2 border border-slate-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500"
-                >
-                  <option value="">Alle Jahre</option>
-                  {JAHRE.map(j => (
-                    <option key={j} value={j}>{j}</option>
-                  ))}
-                </select>
-              </div>
-
-              {/* Bundesland */}
-              <div>
-                <label className="block text-xs text-slate-500 mb-1">Bundesland</label>
-                <select
-                  value={filterBundesland}
-                  onChange={(e) => { setFilterBundesland(e.target.value); setPage(1) }}
-                  className="w-full px-3 py-2 border border-slate-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500"
-                >
-                  <option value="">Alle Bundeslaender</option>
-                  {BUNDESLAENDER.map(b => (
-                    <option key={b.id} value={b.id}>{b.label}</option>
-                  ))}
-                </select>
-              </div>
-
-              {/* Niveau */}
-              <div>
-                <label className="block text-xs text-slate-500 mb-1">Niveau</label>
-                <select
-                  value={filterNiveau}
-                  onChange={(e) => { setFilterNiveau(e.target.value); setPage(1) }}
-                  className="w-full px-3 py-2 border border-slate-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500"
-                >
-                  <option value="">Alle Niveaus</option>
-                  {NIVEAUS.map(n => (
-                    <option key={n.id} value={n.id}>{n.label}</option>
-                  ))}
-                </select>
-              </div>
-
-              {/* Typ */}
-              <div>
-                <label className="block text-xs text-slate-500 mb-1">Typ</label>
-                <select
-                  value={filterTyp}
-                  onChange={(e) => { setFilterTyp(e.target.value); setPage(1) }}
-                  className="w-full px-3 py-2 border border-slate-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500"
-                >
-                  <option value="">Alle Typen</option>
-                  {TYPEN.map(t => (
-                    <option key={t.id} value={t.id}>{t.label}</option>
-                  ))}
-                </select>
-              </div>
-            </div>
-          )}
-        </div>
 
         {/* Active Search Query Display */}
         {searchQuery && (
@@ -338,171 +129,23 @@ export default function AbiturArchivPage() {
           </div>
         )}
 
-        {/* Document Display */}
-        <div className="bg-white rounded-xl border border-slate-200 overflow-hidden">
-          {loading ? (
-            <div className="flex items-center justify-center py-16">
-              <Loader2 className="w-8 h-8 text-blue-600 animate-spin" />
-            </div>
-          ) : error ? (
-            <div className="text-center py-16 text-red-600">
-              <p>{error}</p>
-              <button
-                onClick={() => fetchDocuments()}
-                className="mt-2 text-sm text-blue-600 hover:underline"
-              >
-                Erneut versuchen
-              </button>
-            </div>
-          ) : documents.length === 0 ? (
-            <div className="text-center py-16 text-slate-500">
-              <FileText className="w-12 h-12 mx-auto mb-3 opacity-50" />
-              <p>Keine Dokumente gefunden</p>
-              {hasActiveFilters && (
-                <button
-                  onClick={clearFilters}
-                  className="mt-2 text-sm text-blue-600 hover:underline"
-                >
-                  Filter zuruecksetzen
-                </button>
-              )}
-            </div>
-          ) : viewMode === 'grid' ? (
-            /* Grid View */
-            <div className="p-4">
-              <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-4">
-                {documents.map((doc) => (
-                  <DokumentCard
-                    key={doc.id}
-                    document={doc}
-                    onPreview={setSelectedDocument}
+        <DocumentDisplay
+          documents={documents}
+          loading={loading}
+          error={error}
+          viewMode={viewMode}
+          hasActiveFilters={hasActiveFilters}
+          onClearFilters={clearFilters}
+          onSelectDocument={setSelectedDocument}
           onDownload={handleDownload}
           onAddToKlausur={handleAddToKlausur}
+          onRetry={fetchDocuments}
+          page={page}
+          totalPages={totalPages}
+          total={total}
+          limit={limit}
+          onPageChange={setPage}
         />
-                ))}
-              </div>
-            </div>
-          ) : (
-            /* List View */
-            <table className="w-full text-sm">
-              <thead className="bg-slate-50 border-b border-slate-200">
-                <tr>
-                  <th className="text-left px-4 py-3 font-medium text-slate-600">Dokument</th>
-                  <th className="text-left px-4 py-3 font-medium text-slate-600">Fach</th>
-                  <th className="text-center px-4 py-3 font-medium text-slate-600">Jahr</th>
-                  <th className="text-center px-4 py-3 font-medium text-slate-600">Niveau</th>
-                  <th className="text-center px-4 py-3 font-medium text-slate-600">Typ</th>
-                  <th className="text-right px-4 py-3 font-medium text-slate-600">Groesse</th>
-                  <th className="text-center px-4 py-3 font-medium text-slate-600">Status</th>
-                  <th className="text-center px-4 py-3 font-medium text-slate-600">Aktion</th>
-                </tr>
-              </thead>
-              <tbody>
-                {documents.map((doc) => {
-                  const fachLabel = FAECHER.find(f => f.id === doc.fach)?.label || doc.fach
-                  return (
-                    <tr
-                      key={doc.id}
-                      className="border-b border-slate-100 hover:bg-slate-50 cursor-pointer"
-                      onClick={() => setSelectedDocument(doc)}
-                    >
-                      <td className="px-4 py-3">
-                        <div className="flex items-center gap-2">
-                          <FileText className="w-4 h-4 text-red-500" />
-                          <span className="font-medium text-slate-900 truncate max-w-[200px]" title={doc.dateiname}>
-                            {doc.dateiname}
-                          </span>
-                        </div>
-                      </td>
-                      <td className="px-4 py-3">
-                        <span className="capitalize">{fachLabel}</span>
-                      </td>
-                      <td className="px-4 py-3 text-center">{doc.jahr}</td>
-                      <td className="px-4 py-3 text-center">
-                        <span className={`px-2 py-0.5 rounded-full text-xs ${
-                          doc.niveau === 'eA'
-                            ? 'bg-blue-100 text-blue-700'
-                            : 'bg-slate-100 text-slate-700'
-                        }`}>
-                          {doc.niveau}
-                        </span>
-                      </td>
-                      <td className="px-4 py-3 text-center">
-                        <span className={`px-2 py-0.5 rounded-full text-xs ${
-                          doc.typ === 'erwartungshorizont'
-                            ? 'bg-orange-100 text-orange-700'
-                            : 'bg-purple-100 text-purple-700'
-                        }`}>
-                          {doc.typ === 'erwartungshorizont' ? 'EWH' : 'Aufgabe'}
-                        </span>
-                      </td>
-                      <td className="px-4 py-3 text-right text-slate-500">
-                        {formatFileSize(doc.file_size)}
-                      </td>
-                      <td className="px-4 py-3 text-center">
-                        <span className={`px-2 py-0.5 rounded-full text-xs ${
-                          doc.status === 'indexed'
-                            ? 'bg-green-100 text-green-700'
-                            : doc.status === 'error'
-                            ? 'bg-red-100 text-red-700'
-                            : 'bg-yellow-100 text-yellow-700'
-                        }`}>
-                          {doc.status === 'indexed' ? 'Indexiert' : doc.status === 'error' ? 'Fehler' : 'Ausstehend'}
-                        </span>
-                      </td>
-                      <td className="px-4 py-3 text-center">
-                        <div className="flex items-center justify-center gap-1" onClick={(e) => e.stopPropagation()}>
-                          <button
-                            onClick={() => setSelectedDocument(doc)}
-                            className="p-1.5 text-blue-600 hover:bg-blue-50 rounded"
-                            title="Vorschau"
-                          >
-                            <Eye className="w-4 h-4" />
-                          </button>
-                          <button
-                            onClick={() => handleDownload(doc)}
-                            className="p-1.5 text-slate-600 hover:bg-slate-100 rounded"
-                            title="Download"
-                          >
-                            <Download className="w-4 h-4" />
-                          </button>
-                        </div>
-                      </td>
-                    </tr>
-                  )
-                })}
-              </tbody>
-            </table>
-          )}
-
-          {/* Pagination */}
-          {documents.length > 0 && (
-            <div className="flex items-center justify-between px-4 py-3 border-t border-slate-200 bg-slate-50">
-              <div className="text-sm text-slate-500">
-                Zeige {(page - 1) * limit + 1}-{Math.min(page * limit, total)} von {total} Dokumenten
-              </div>
-              <div className="flex items-center gap-2">
-                <button
-                  onClick={() => setPage(p => Math.max(1, p - 1))}
-                  disabled={page === 1}
-                  className="p-2 rounded-lg hover:bg-slate-200 disabled:opacity-50 disabled:cursor-not-allowed"
-                >
-                  <ChevronLeft className="w-4 h-4" />
-                </button>
-                <span className="text-sm text-slate-600">
-                  Seite {page} von {totalPages}
-                </span>
-                <button
-                  onClick={() => setPage(p => Math.min(totalPages, p + 1))}
-                  disabled={page === totalPages}
-                  className="p-2 rounded-lg hover:bg-slate-200 disabled:opacity-50 disabled:cursor-not-allowed"
-                >
-                  <ChevronRight className="w-4 h-4" />
-                </button>
-              </div>
-            </div>
-          )}
-        </div>
       </div>
 
       {/* Fullscreen Viewer Modal */}

admin-lehrer/app/(admin)/education/klausur-korrektur/[klausurId]/[studentId]/_components/CorrectionPanel.tsx

@@ -0,0 +1,252 @@
+'use client'
+
+/**
+ * Right panel (1/3 width): Tabs for Kriterien, Annotationen, Gutachten, EH-Vorschlaege.
+ */
+
+import { AnnotationPanel, EHSuggestionPanel } from '../../../components'
+import type {
+  Klausur,
+  Annotation,
+  AnnotationType,
+  GradeInfo,
+  CriteriaScores,
+} from '../../../types'
+import type { ExaminerWorkflow, ActiveTab, GradeTotals } from './workspace-types'
+import { API_BASE } from './workspace-types'
+import { CriteriaTab } from './CriteriaTab'
+
+interface CorrectionPanelProps {
+  // Data
+  klausur: Klausur | null
+  klausurId: string
+  studentId: string
+  annotations: Annotation[]
+  gradeInfo: GradeInfo | null
+  criteriaScores: CriteriaScores
+  gutachten: string
+  workflow: ExaminerWorkflow | null
+  totals: GradeTotals
+  selectedAnnotation: Annotation | null
+
+  // UI flags
+  activeTab: ActiveTab
+  generatingGutachten: boolean
+  saving: boolean
+  exporting: boolean
+  submittingWorkflow: boolean
+
+  // Actions
+  onSetActiveTab: (tab: ActiveTab) => void
+  onCriteriaChange: (criterion: string, value: number) => void
+  onSelectTool: (tool: AnnotationType) => void
+  onSelectAnnotation: (ann: Annotation | null) => void
+  onUpdateAnnotation: (id: string, updates: Partial<Annotation>) => Promise<void>
+  onDeleteAnnotation: (id: string) => Promise<void>
+  onSetGutachten: (text: string | ((prev: string) => string)) => void
+  onGenerateGutachten: () => Promise<void>
+  onSaveGutachten: () => Promise<void>
+  onExportGutachtenPDF: () => Promise<void>
+  onSubmitErstkorrektur: () => Promise<void>
+  onStartZweitkorrektur: (zkId: string) => Promise<void>
+  onSubmitZweitkorrektur: () => Promise<void>
+  onOpenEinigung: () => void
+}
+
+export function CorrectionPanel({
+  klausur,
+  klausurId,
+  studentId,
+  annotations,
+  gradeInfo,
+  criteriaScores,
+  gutachten,
+  workflow,
+  totals,
+  selectedAnnotation,
+  activeTab,
+  generatingGutachten,
+  saving,
+  exporting,
+  submittingWorkflow,
+  onSetActiveTab,
+  onCriteriaChange,
+  onSelectTool,
+  onSelectAnnotation,
+  onUpdateAnnotation,
+  onDeleteAnnotation,
+  onSetGutachten,
+  onGenerateGutachten,
+  onSaveGutachten,
+  onExportGutachtenPDF,
+  onSubmitErstkorrektur,
+  onStartZweitkorrektur,
+  onSubmitZweitkorrektur,
+  onOpenEinigung,
+}: CorrectionPanelProps) {
+  return (
+    <div className="w-1/3 bg-white rounded-lg border border-slate-200 overflow-hidden flex flex-col">
+      {/* Tabs */}
+      <div className="border-b border-slate-200">
+        <nav className="flex">
+          {[
+            { id: 'kriterien' as const, label: 'Kriterien' },
+            { id: 'annotationen' as const, label: `Notizen (${annotations.length})` },
+            { id: 'gutachten' as const, label: 'Gutachten' },
+            { id: 'eh-vorschlaege' as const, label: 'EH' },
+          ].map((tab) => (
+            <button
+              key={tab.id}
+              onClick={() => onSetActiveTab(tab.id)}
+              className={`flex-1 px-2 py-3 text-xs font-medium border-b-2 transition-colors ${
+                activeTab === tab.id
+                  ? 'border-primary-500 text-primary-600'
+                  : 'border-transparent text-slate-500 hover:text-slate-700'
+              }`}
+            >
+              {tab.label}
+            </button>
+          ))}
+        </nav>
+      </div>
+
+      {/* Tab content */}
+      <div className="flex-1 overflow-auto p-4">
+        {/* Kriterien Tab */}
+        {activeTab === 'kriterien' && gradeInfo && (
+          <CriteriaTab
+            gradeInfo={gradeInfo}
+            criteriaScores={criteriaScores}
+            annotations={annotations}
+            totals={totals}
+            workflow={workflow}
+            generatingGutachten={generatingGutachten}
+            submittingWorkflow={submittingWorkflow}
+            gutachten={gutachten}
+            onCriteriaChange={onCriteriaChange}
+            onSelectTool={onSelectTool}
+            onGenerateGutachten={onGenerateGutachten}
+            onSubmitErstkorrektur={onSubmitErstkorrektur}
+            onStartZweitkorrektur={onStartZweitkorrektur}
+            onSubmitZweitkorrektur={onSubmitZweitkorrektur}
+            onOpenEinigung={onOpenEinigung}
+          />
+        )}
+
+        {/* Annotationen Tab */}
+        {activeTab === 'annotationen' && (
+          <div className="h-full -m-4">
+            <AnnotationPanel
+              annotations={annotations}
+              selectedAnnotation={selectedAnnotation}
+              onSelectAnnotation={onSelectAnnotation}
+              onUpdateAnnotation={onUpdateAnnotation}
+              onDeleteAnnotation={onDeleteAnnotation}
+            />
+          </div>
+        )}
+
+        {/* Gutachten Tab */}
+        {activeTab === 'gutachten' && (
+          <GutachtenTab
+            gutachten={gutachten}
+            generatingGutachten={generatingGutachten}
+            saving={saving}
+            exporting={exporting}
+            onSetGutachten={onSetGutachten}
+            onGenerateGutachten={onGenerateGutachten}
+            onSaveGutachten={onSaveGutachten}
+            onExportGutachtenPDF={onExportGutachtenPDF}
+          />
+        )}
+
+        {/* EH-Vorschlaege Tab */}
+        {activeTab === 'eh-vorschlaege' && (
+          <div className="h-full -m-4">
+            <EHSuggestionPanel
+              studentId={studentId}
+              klausurId={klausurId}
+              hasEH={!!klausur?.eh_id || true}
+              apiBase={API_BASE}
+              onInsertSuggestion={(text, criterion) => {
+                onSetGutachten((prev: string) =>
+                  prev
+                    ? `${prev}\n\n[${criterion.toUpperCase()}]: ${text}`
+                    : `[${criterion.toUpperCase()}]: ${text}`,
+                )
+                onSetActiveTab('gutachten')
+              }}
+            />
+          </div>
+        )}
+      </div>
+    </div>
+  )
+}
+
+// ---- Gutachten sub-component ----
+
+interface GutachtenTabProps {
+  gutachten: string
+  generatingGutachten: boolean
+  saving: boolean
+  exporting: boolean
+  onSetGutachten: (text: string | ((prev: string) => string)) => void
+  onGenerateGutachten: () => void
+  onSaveGutachten: () => void
+  onExportGutachtenPDF: () => void
+}
+
+function GutachtenTab({
+  gutachten,
+  generatingGutachten,
+  saving,
+  exporting,
+  onSetGutachten,
+  onGenerateGutachten,
+  onSaveGutachten,
+  onExportGutachtenPDF,
+}: GutachtenTabProps) {
+  return (
+    <div className="h-full flex flex-col">
+      <textarea
+        value={gutachten}
+        onChange={(e) => onSetGutachten(e.target.value)}
+        placeholder="Gutachten hier eingeben oder generieren lassen..."
+        className="flex-1 w-full p-3 border border-slate-300 rounded-lg resize-none focus:ring-2 focus:ring-primary-500 focus:border-transparent text-sm"
+      />
+      <div className="flex gap-2 mt-4">
+        <button
+          onClick={onGenerateGutachten}
+          disabled={generatingGutachten}
+          className="flex-1 py-2 border border-primary-600 text-primary-600 rounded-lg hover:bg-primary-50 disabled:opacity-50"
+        >
+          {generatingGutachten ? 'Generiere...' : 'Neu generieren'}
+        </button>
+        <button
+          onClick={onSaveGutachten}
+          disabled={saving}
+          className="flex-1 py-2 bg-primary-600 text-white rounded-lg hover:bg-primary-700 disabled:opacity-50"
+        >
+          {saving ? 'Speichern...' : 'Speichern'}
+        </button>
+      </div>
+
+      {/* PDF Export */}
+      {gutachten && (
+        <div className="flex gap-2 mt-2 pt-2 border-t border-slate-200">
+          <button
+            onClick={onExportGutachtenPDF}
+            disabled={exporting}
+            className="flex-1 py-2 border border-slate-300 text-slate-600 rounded-lg hover:bg-slate-50 disabled:opacity-50 flex items-center justify-center gap-2 text-sm"
+          >
+            <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 10v6m0 0l-3-3m3 3l3-3m2 8H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
+            </svg>
+            {exporting ? 'Exportiere...' : 'Als PDF exportieren'}
+          </button>
+        </div>
+      )}
+    </div>
+  )
+}

admin-lehrer/app/(admin)/education/klausur-korrektur/[klausurId]/[studentId]/_components/CriteriaTab.tsx

@@ -0,0 +1,384 @@
+'use client'
+
+/**
+ * Kriterien tab content: scoring sliders, annotation counts per criterion,
+ * totals summary, and workflow action buttons.
+ */
+
+import type { Annotation, AnnotationType, GradeInfo, CriteriaScores } from '../../../types'
+import { ANNOTATION_COLORS } from '../../../types'
+import type { ExaminerWorkflow, GradeTotals } from './workspace-types'
+import { GRADE_LABELS } from './workspace-types'
+
+interface CriteriaTabProps {
+  gradeInfo: GradeInfo
+  criteriaScores: CriteriaScores
+  annotations: Annotation[]
+  totals: GradeTotals
+  workflow: ExaminerWorkflow | null
+  generatingGutachten: boolean
+  submittingWorkflow: boolean
+  gutachten: string
+  onCriteriaChange: (criterion: string, value: number) => void
+  onSelectTool: (tool: AnnotationType) => void
+  onGenerateGutachten: () => void
+  onSubmitErstkorrektur: () => void
+  onStartZweitkorrektur: (zkId: string) => void
+  onSubmitZweitkorrektur: () => void
+  onOpenEinigung: () => void
+}
+
+export function CriteriaTab({
+  gradeInfo,
+  criteriaScores,
+  annotations,
+  totals,
+  workflow,
+  generatingGutachten,
+  submittingWorkflow,
+  gutachten,
+  onCriteriaChange,
+  onSelectTool,
+  onGenerateGutachten,
+  onSubmitErstkorrektur,
+  onStartZweitkorrektur,
+  onSubmitZweitkorrektur,
+  onOpenEinigung,
+}: CriteriaTabProps) {
+  return (
+    <div className="space-y-4">
+      {Object.entries(gradeInfo.criteria || {}).map(([key, criterion]) => {
+        const score = criteriaScores[key] || 0
+        const linkedAnnotations = annotations.filter(
+          (a) => a.linked_criterion === key || a.type === key,
+        )
+        const errorCount = linkedAnnotations.length
+        const severityCounts = {
+          minor: linkedAnnotations.filter((a) => a.severity === 'minor').length,
+          major: linkedAnnotations.filter((a) => a.severity === 'major').length,
+          critical: linkedAnnotations.filter((a) => a.severity === 'critical').length,
+        }
+        const criterionColor = ANNOTATION_COLORS[key as AnnotationType] || '#6b7280'
+
+        return (
+          <div key={key} className="bg-slate-50 rounded-lg p-4">
+            <div className="flex justify-between items-center mb-2">
+              <div className="flex items-center gap-2">
+                <div
+                  className="w-3 h-3 rounded-full"
+                  style={{ backgroundColor: criterionColor }}
+                />
+                <span className="font-medium text-slate-800">{criterion.name}</span>
+                <span className="text-xs text-slate-500">({criterion.weight}%)</span>
+              </div>
+              <div className="text-lg font-bold text-slate-800">{score}%</div>
+            </div>
+
+            {/* Annotation count for this criterion */}
+            {errorCount > 0 && (
+              <div className="flex items-center gap-2 mb-2 text-xs">
+                <span className="text-slate-500">{errorCount} Markierungen:</span>
+                {severityCounts.minor > 0 && (
+                  <span className="px-1.5 py-0.5 bg-yellow-100 text-yellow-700 rounded">
+                    {severityCounts.minor} leicht
+                  </span>
+                )}
+                {severityCounts.major > 0 && (
+                  <span className="px-1.5 py-0.5 bg-orange-100 text-orange-700 rounded">
+                    {severityCounts.major} mittel
+                  </span>
+                )}
+                {severityCounts.critical > 0 && (
+                  <span className="px-1.5 py-0.5 bg-red-100 text-red-700 rounded">
+                    {severityCounts.critical} schwer
+                  </span>
+                )}
+              </div>
+            )}
+
+            {/* Slider */}
+            <input
+              type="range"
+              min="0"
+              max="100"
+              value={score}
+              onChange={(e) => onCriteriaChange(key, parseInt(e.target.value))}
+              className="w-full h-2 bg-slate-200 rounded-lg appearance-none cursor-pointer"
+              style={{ accentColor: criterionColor }}
+            />
+
+            {/* Quick buttons */}
+            <div className="flex gap-1 mt-2">
+              {[0, 25, 50, 75, 100].map((val) => (
+                <button
+                  key={val}
+                  onClick={() => onCriteriaChange(key, val)}
+                  className={`flex-1 py-1 text-xs rounded transition-colors ${
+                    score === val
+                      ? 'text-white'
+                      : 'bg-slate-200 text-slate-600 hover:bg-slate-300'
+                  }`}
+                  style={score === val ? { backgroundColor: criterionColor } : undefined}
+                >
+                  {val}%
+                </button>
+              ))}
+            </div>
+
+            {/* Quick add annotation button for RS/Grammatik */}
+            {(key === 'rechtschreibung' || key === 'grammatik') && (
+              <button
+                onClick={() => onSelectTool(key as AnnotationType)}
+                className="mt-2 w-full py-1 text-xs border rounded hover:bg-slate-100 flex items-center justify-center gap-1"
+                style={{ borderColor: criterionColor, color: criterionColor }}
+              >
+                <svg className="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 4v16m8-8H4" />
+                </svg>
+                {key === 'rechtschreibung' ? 'RS-Fehler' : 'Grammatik-Fehler'} markieren
+              </button>
+            )}
+          </div>
+        )
+      })}
+
+      {/* Total and action buttons */}
+      <CriteriaTotals
+        totals={totals}
+        workflow={workflow}
+        generatingGutachten={generatingGutachten}
+        submittingWorkflow={submittingWorkflow}
+        gutachten={gutachten}
+        onGenerateGutachten={onGenerateGutachten}
+        onSubmitErstkorrektur={onSubmitErstkorrektur}
+        onStartZweitkorrektur={onStartZweitkorrektur}
+        onSubmitZweitkorrektur={onSubmitZweitkorrektur}
+        onOpenEinigung={onOpenEinigung}
+      />
+    </div>
+  )
+}
+
+// ---- Sub-component: totals + workflow buttons ----
+
+interface CriteriaTotalsProps {
+  totals: GradeTotals
+  workflow: ExaminerWorkflow | null
+  generatingGutachten: boolean
+  submittingWorkflow: boolean
+  gutachten: string
+  onGenerateGutachten: () => void
+  onSubmitErstkorrektur: () => void
+  onStartZweitkorrektur: (zkId: string) => void
+  onSubmitZweitkorrektur: () => void
+  onOpenEinigung: () => void
+}
+
+function CriteriaTotals({
+  totals,
+  workflow,
+  generatingGutachten,
+  submittingWorkflow,
+  gutachten,
+  onGenerateGutachten,
+  onSubmitErstkorrektur,
+  onStartZweitkorrektur,
+  onSubmitZweitkorrektur,
+  onOpenEinigung,
+}: CriteriaTotalsProps) {
+  return (
+    <div className="border-t border-slate-200 pt-4 mt-4">
+      <div className="flex justify-between items-center mb-4">
+        <span className="font-semibold text-slate-800">Gesamtergebnis</span>
+        <div className="text-right">
+          <div className="text-2xl font-bold text-primary-600">
+            {totals.gradePoints} Punkte
+          </div>
+          <div className="text-sm text-slate-500">
+            ({totals.weighted}%) - Note {GRADE_LABELS[totals.gradePoints]}
+          </div>
+        </div>
+      </div>
+
+      <div className="space-y-2">
+        {/* Generate Gutachten */}
+        <button
+          onClick={onGenerateGutachten}
+          disabled={generatingGutachten}
+          className="w-full py-2 bg-slate-100 text-slate-700 rounded-lg hover:bg-slate-200 disabled:opacity-50 flex items-center justify-center gap-2 text-sm"
+        >
+          {generatingGutachten ? (
+            <>
+              <div className="animate-spin rounded-full h-4 w-4 border-b-2 border-slate-700"></div>
+              Generiere Gutachten...
+            </>
+          ) : (
+            <>
+              <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
+              </svg>
+              Gutachten generieren
+            </>
+          )}
+        </button>
+
+        {/* Workflow buttons */}
+        <WorkflowButtons
+          workflow={workflow}
+          submittingWorkflow={submittingWorkflow}
+          gutachten={gutachten}
+          totals={totals}
+          onSubmitErstkorrektur={onSubmitErstkorrektur}
+          onStartZweitkorrektur={onStartZweitkorrektur}
+          onSubmitZweitkorrektur={onSubmitZweitkorrektur}
+          onOpenEinigung={onOpenEinigung}
+        />
+      </div>
+    </div>
+  )
+}
+
+// ---- Sub-component: workflow action buttons ----
+
+interface WorkflowButtonsProps {
+  workflow: ExaminerWorkflow | null
+  submittingWorkflow: boolean
+  gutachten: string
+  totals: GradeTotals
+  onSubmitErstkorrektur: () => void
+  onStartZweitkorrektur: (zkId: string) => void
+  onSubmitZweitkorrektur: () => void
+  onOpenEinigung: () => void
+}
+
+function WorkflowButtons({
+  workflow,
+  submittingWorkflow,
+  gutachten,
+  totals,
+  onSubmitErstkorrektur,
+  onStartZweitkorrektur,
+  onSubmitZweitkorrektur,
+  onOpenEinigung,
+}: WorkflowButtonsProps) {
+  return (
+    <>
+      {/* EK submit */}
+      {(!workflow || workflow.workflow_status === 'not_started' || workflow.workflow_status === 'ek_in_progress') && (
+        <button
+          onClick={onSubmitErstkorrektur}
+          disabled={submittingWorkflow || !gutachten}
+          className="w-full py-3 bg-blue-600 text-white rounded-lg hover:bg-blue-700 disabled:opacity-50 flex items-center justify-center gap-2"
+        >
+          {submittingWorkflow ? (
+            <>
+              <div className="animate-spin rounded-full h-4 w-4 border-b-2 border-white"></div>
+              Wird abgeschlossen...
+            </>
+          ) : (
+            <>
+              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
+              </svg>
+              Erstkorrektur abschliessen
+            </>
+          )}
+        </button>
+      )}
+
+      {/* Forward to ZK */}
+      {workflow?.workflow_status === 'ek_completed' && workflow.user_role === 'ek' && (
+        <button
+          onClick={() => {
+            const zkId = prompt('Zweitkorrektor-ID eingeben:')
+            if (zkId) onStartZweitkorrektur(zkId)
+          }}
+          disabled={submittingWorkflow}
+          className="w-full py-3 bg-amber-600 text-white rounded-lg hover:bg-amber-700 disabled:opacity-50 flex items-center justify-center gap-2"
+        >
+          <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M17 8l4 4m0 0l-4 4m4-4H3" />
+          </svg>
+          Zur Zweitkorrektur weiterleiten
+        </button>
+      )}
+
+      {/* ZK submit */}
+      {(workflow?.workflow_status === 'zk_assigned' || workflow?.workflow_status === 'zk_in_progress') &&
+        workflow?.user_role === 'zk' && (
+          <button
+            onClick={onSubmitZweitkorrektur}
+            disabled={submittingWorkflow || !gutachten}
+            className="w-full py-3 bg-amber-600 text-white rounded-lg hover:bg-amber-700 disabled:opacity-50 flex items-center justify-center gap-2"
+          >
+            {submittingWorkflow ? (
+              <>
+                <div className="animate-spin rounded-full h-4 w-4 border-b-2 border-white"></div>
+                Wird abgeschlossen...
+              </>
+            ) : (
+              <>
+                <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
+                </svg>
+                Zweitkorrektur abschliessen
+              </>
+            )}
+          </button>
+        )}
+
+      {/* Einigung */}
+      {workflow?.workflow_status === 'einigung_required' && (
+        <button
+          onClick={onOpenEinigung}
+          className="w-full py-3 bg-orange-600 text-white rounded-lg hover:bg-orange-700 flex items-center justify-center gap-2"
+        >
+          <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M8 12h.01M12 12h.01M16 12h.01M21 12c0 4.418-4.03 8-9 8a9.863 9.863 0 01-4.255-.949L3 20l1.395-3.72C3.512 15.042 3 13.574 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z" />
+          </svg>
+          Einigung starten
+        </button>
+      )}
+
+      {/* Completed */}
+      {workflow?.workflow_status === 'completed' && (
+        <div className="bg-green-100 text-green-800 p-4 rounded-lg text-center">
+          <div className="text-2xl font-bold">
+            Endnote: {workflow.final_grade} Punkte
+          </div>
+          <div className="text-sm mt-1">
+            ({GRADE_LABELS[workflow.final_grade || 0]}) -{' '}
+            {workflow.consensus_type === 'auto'
+              ? 'Auto-Konsens'
+              : workflow.consensus_type === 'drittkorrektur'
+                ? 'Drittkorrektur'
+                : 'Einigung'}
+          </div>
+        </div>
+      )}
+
+      {/* EK/ZK comparison */}
+      {workflow?.first_result && workflow?.second_result && workflow?.workflow_status !== 'completed' && (
+        <div className="bg-slate-50 rounded-lg p-3 mt-2">
+          <div className="text-xs text-slate-500 mb-2">Notenvergleich</div>
+          <div className="flex justify-between">
+            <div className="text-center">
+              <div className="text-sm text-slate-500">EK</div>
+              <div className="font-bold text-blue-600">{workflow.first_result.grade_points}P</div>
+            </div>
+            <div className="text-center">
+              <div className="text-sm text-slate-500">ZK</div>
+              <div className="font-bold text-amber-600">{workflow.second_result.grade_points}P</div>
+            </div>
+            <div className="text-center">
+              <div className="text-sm text-slate-500">Diff</div>
+              <div className={`font-bold ${(workflow.grade_difference || 0) >= 4 ? 'text-red-600' : 'text-slate-700'}`}>
+                {workflow.grade_difference}P
+              </div>
+            </div>
+          </div>
+        </div>
+      )}
+    </>
+  )
+}

admin-lehrer/app/(admin)/education/klausur-korrektur/[klausurId]/[studentId]/_components/DocumentViewer.tsx

@@ -0,0 +1,138 @@
+'use client'
+
+/**
+ * Left panel (2/3 width): Document viewer with annotation overlay,
+ * toolbar, page navigation, and collapsible OCR text.
+ */
+
+import { AnnotationLayer, AnnotationToolbar } from '../../../components'
+import type { Annotation, AnnotationType, AnnotationPosition } from '../../../types'
+
+interface DocumentViewerProps {
+  documentUrl: string | null
+  filePath?: string
+  ocrText?: string
+  zoom: number
+  currentPage: number
+  totalPages: number
+  annotations: Annotation[]
+  selectedTool: AnnotationType | null
+  selectedAnnotation: Annotation | null
+  annotationCounts: Record<AnnotationType, number>
+  onZoomChange: (zoom: number) => void
+  onSelectTool: (tool: AnnotationType | null) => void
+  onCurrentPageChange: (page: number | ((p: number) => number)) => void
+  onCreateAnnotation: (position: AnnotationPosition, type: AnnotationType) => void
+  onSelectAnnotation: (ann: Annotation) => void
+}
+
+export function DocumentViewer({
+  documentUrl,
+  filePath,
+  ocrText,
+  zoom,
+  currentPage,
+  totalPages,
+  annotations,
+  selectedTool,
+  selectedAnnotation,
+  annotationCounts,
+  onZoomChange,
+  onSelectTool,
+  onCurrentPageChange,
+  onCreateAnnotation,
+  onSelectAnnotation,
+}: DocumentViewerProps) {
+  const pageAnnotations = annotations.filter((ann) => ann.page === currentPage)
+
+  return (
+    <div className="w-2/3 bg-white rounded-lg border border-slate-200 overflow-hidden flex flex-col">
+      {/* Toolbar */}
+      <AnnotationToolbar
+        selectedTool={selectedTool}
+        onSelectTool={onSelectTool}
+        zoom={zoom}
+        onZoomChange={onZoomChange}
+        annotationCounts={annotationCounts}
+      />
+
+      {/* Document display with annotation overlay */}
+      <div className="flex-1 overflow-auto p-4 bg-slate-100">
+        {documentUrl ? (
+          <div
+            className="mx-auto bg-white shadow-lg relative"
+            style={{ transform: `scale(${zoom / 100})`, transformOrigin: 'top center' }}
+          >
+            {filePath?.endsWith('.pdf') ? (
+              <iframe
+                src={documentUrl}
+                className="w-full h-[800px] border-0"
+                title="Studentenarbeit"
+              />
+            ) : (
+              <div className="relative">
+                <img
+                  src={documentUrl}
+                  alt="Studentenarbeit"
+                  className="max-w-full"
+                  onError={(e) => {
+                    (e.target as HTMLImageElement).src = '/placeholder-document.png'
+                  }}
+                />
+                {/* Annotation Layer Overlay */}
+                <AnnotationLayer
+                  annotations={pageAnnotations}
+                  selectedTool={selectedTool}
+                  onCreateAnnotation={onCreateAnnotation}
+                  onSelectAnnotation={onSelectAnnotation}
+                  selectedAnnotationId={selectedAnnotation?.id}
+                />
+              </div>
+            )}
+          </div>
+        ) : (
+          <div className="flex items-center justify-center h-full text-slate-400">
+            Kein Dokument verfuegbar
+          </div>
+        )}
+      </div>
+
+      {/* Page navigation */}
+      <div className="border-t border-slate-200 p-2 flex items-center justify-center gap-2 bg-slate-50">
+        <button
+          onClick={() => onCurrentPageChange((p: number) => Math.max(1, p - 1))}
+          disabled={currentPage <= 1}
+          className="p-1 rounded hover:bg-slate-200 disabled:opacity-50"
+        >
+          <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" />
+          </svg>
+        </button>
+        <span className="text-sm">
+          Seite {currentPage} / {totalPages}
+        </span>
+        <button
+          onClick={() => onCurrentPageChange((p: number) => Math.min(totalPages, p + 1))}
+          disabled={currentPage >= totalPages}
+          className="p-1 rounded hover:bg-slate-200 disabled:opacity-50"
+        >
+          <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" />
+          </svg>
+        </button>
+      </div>
+
+      {/* OCR Text (collapsible) */}
+      {ocrText && (
+        <details className="border-t border-slate-200">
+          <summary className="p-3 bg-slate-50 cursor-pointer text-sm font-medium text-slate-600 hover:bg-slate-100">
+            OCR-Text anzeigen
+          </summary>
+          <div className="p-4 max-h-48 overflow-auto text-sm text-slate-700 bg-slate-50">
+            <pre className="whitespace-pre-wrap font-sans">{ocrText}</pre>
+          </div>
+        </details>
+      )}
+    </div>
+  )
+}

admin-lehrer/app/(admin)/education/klausur-korrektur/[klausurId]/[studentId]/_components/EinigungModal.tsx

@@ -0,0 +1,115 @@
+'use client'
+
+/**
+ * Modal for the Einigung (agreement) process between EK and ZK.
+ */
+
+import type { ExaminerWorkflow } from './workspace-types'
+import { GRADE_LABELS } from './workspace-types'
+
+interface EinigungModalProps {
+  workflow: ExaminerWorkflow
+  einigungGrade: number
+  einigungNotes: string
+  submittingWorkflow: boolean
+  onGradeChange: (grade: number) => void
+  onNotesChange: (notes: string) => void
+  onSubmit: (type: 'agreed' | 'split' | 'escalated') => void
+  onClose: () => void
+}
+
+export function EinigungModal({
+  workflow,
+  einigungGrade,
+  einigungNotes,
+  submittingWorkflow,
+  onGradeChange,
+  onNotesChange,
+  onSubmit,
+  onClose,
+}: EinigungModalProps) {
+  return (
+    <div className="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50">
+      <div className="bg-white rounded-lg shadow-xl p-6 w-full max-w-lg mx-4">
+        <h3 className="text-lg font-semibold mb-4">Einigung erforderlich</h3>
+
+        {/* Grade comparison */}
+        <div className="bg-slate-50 rounded-lg p-4 mb-4">
+          <div className="grid grid-cols-2 gap-4 text-center">
+            <div>
+              <div className="text-sm text-slate-500">Erstkorrektor</div>
+              <div className="text-2xl font-bold text-blue-600">
+                {workflow.first_result?.grade_points || '-'} P
+              </div>
+            </div>
+            <div>
+              <div className="text-sm text-slate-500">Zweitkorrektor</div>
+              <div className="text-2xl font-bold text-amber-600">
+                {workflow.second_result?.grade_points || '-'} P
+              </div>
+            </div>
+          </div>
+          <div className="text-center mt-2 text-sm text-slate-500">
+            Differenz: {workflow.grade_difference} Punkte
+          </div>
+        </div>
+
+        {/* Final grade selection */}
+        <div className="mb-4">
+          <label className="block text-sm font-medium text-slate-700 mb-2">
+            Endnote festlegen
+          </label>
+          <input
+            type="range"
+            min={Math.min(workflow.first_result?.grade_points || 0, workflow.second_result?.grade_points || 0) - 1}
+            max={Math.max(workflow.first_result?.grade_points || 15, workflow.second_result?.grade_points || 15) + 1}
+            value={einigungGrade}
+            onChange={(e) => onGradeChange(parseInt(e.target.value))}
+            className="w-full"
+          />
+          <div className="text-center text-2xl font-bold mt-2">
+            {einigungGrade} Punkte ({GRADE_LABELS[einigungGrade] || '-'})
+          </div>
+        </div>
+
+        {/* Notes */}
+        <div className="mb-4">
+          <label className="block text-sm font-medium text-slate-700 mb-2">
+            Begruendung
+          </label>
+          <textarea
+            value={einigungNotes}
+            onChange={(e) => onNotesChange(e.target.value)}
+            placeholder="Begruendung fuer die Einigung..."
+            className="w-full p-2 border border-slate-300 rounded-lg text-sm"
+            rows={3}
+          />
+        </div>
+
+        {/* Actions */}
+        <div className="flex gap-2">
+          <button
+            onClick={() => onSubmit('agreed')}
+            disabled={submittingWorkflow || !einigungNotes}
+            className="flex-1 py-2 bg-green-600 text-white rounded-lg hover:bg-green-700 disabled:opacity-50"
+          >
+            Einigung bestaetigen
+          </button>
+          <button
+            onClick={() => onSubmit('escalated')}
+            disabled={submittingWorkflow}
+            className="py-2 px-4 bg-red-100 text-red-700 rounded-lg hover:bg-red-200"
+          >
+            Eskalieren
+          </button>
+          <button
+            onClick={onClose}
+            className="py-2 px-4 bg-slate-100 text-slate-700 rounded-lg hover:bg-slate-200"
+          >
+            Abbrechen
+          </button>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/education/klausur-korrektur/[klausurId]/[studentId]/_components/TopNavigationBar.tsx

@@ -0,0 +1,114 @@
+'use client'
+
+/**
+ * Top navigation bar with back link, student navigation,
+ * workflow status badges, and grade display.
+ */
+
+import Link from 'next/link'
+import type { ExaminerWorkflow, GradeTotals } from './workspace-types'
+import { WORKFLOW_STATUS_LABELS, ROLE_LABELS, GRADE_LABELS } from './workspace-types'
+
+interface TopNavigationBarProps {
+  klausurId: string
+  currentIndex: number
+  studentsCount: number
+  workflow: ExaminerWorkflow | null
+  saving: boolean
+  totals: GradeTotals
+  onGoToStudent: (direction: 'prev' | 'next') => void
+}
+
+export function TopNavigationBar({
+  klausurId,
+  currentIndex,
+  studentsCount,
+  workflow,
+  saving,
+  totals,
+  onGoToStudent,
+}: TopNavigationBarProps) {
+  return (
+    <div className="bg-white border-b border-slate-200 px-6 py-3 flex items-center justify-between sticky top-0 z-10">
+      {/* Back link */}
+      <Link
+        href={`/education/klausur-korrektur/${klausurId}`}
+        className="text-primary-600 hover:text-primary-800 flex items-center gap-1 text-sm"
+      >
+        <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" />
+        </svg>
+        Zurueck
+      </Link>
+
+      {/* Student navigation */}
+      <div className="flex items-center gap-4">
+        <button
+          onClick={() => onGoToStudent('prev')}
+          disabled={currentIndex <= 0}
+          className="p-2 rounded-lg hover:bg-slate-100 disabled:opacity-50 disabled:cursor-not-allowed"
+        >
+          <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M15 19l-7-7 7-7" />
+          </svg>
+        </button>
+        <span className="text-sm font-medium">
+          {currentIndex + 1} / {studentsCount}
+        </span>
+        <button
+          onClick={() => onGoToStudent('next')}
+          disabled={currentIndex >= studentsCount - 1}
+          className="p-2 rounded-lg hover:bg-slate-100 disabled:opacity-50 disabled:cursor-not-allowed"
+        >
+          <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" />
+          </svg>
+        </button>
+      </div>
+
+      {/* Workflow status and role */}
+      <div className="flex items-center gap-3">
+        {workflow && (
+          <div className="flex items-center gap-2">
+            <span
+              className={`px-2 py-1 text-xs font-medium rounded-full text-white ${
+                ROLE_LABELS[workflow.user_role]?.color || 'bg-slate-500'
+              }`}
+            >
+              {ROLE_LABELS[workflow.user_role]?.label || workflow.user_role}
+            </span>
+
+            <span
+              className={`px-2 py-1 text-xs font-medium rounded-full ${
+                WORKFLOW_STATUS_LABELS[workflow.workflow_status]?.color || 'bg-slate-100'
+              }`}
+            >
+              {WORKFLOW_STATUS_LABELS[workflow.workflow_status]?.label || workflow.workflow_status}
+            </span>
+
+            {workflow.user_role === 'zk' && workflow.visibility_mode !== 'full' && (
+              <span className="px-2 py-1 text-xs bg-purple-100 text-purple-700 rounded-full">
+                {workflow.visibility_mode === 'blind' ? 'Blind-Modus' : 'Semi-Blind'}
+              </span>
+            )}
+          </div>
+        )}
+
+        {saving && (
+          <span className="text-sm text-slate-500 flex items-center gap-1">
+            <div className="animate-spin rounded-full h-3 w-3 border-b-2 border-primary-600"></div>
+            Speichern...
+          </span>
+        )}
+        <div className="text-right">
+          <div className="text-lg font-bold text-slate-800">
+            {totals.gradePoints} Punkte
+          </div>
+          <div className="text-sm text-slate-500">
+            Note: {GRADE_LABELS[totals.gradePoints] || '-'}
+          </div>
+        </div>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/education/klausur-korrektur/[klausurId]/[studentId]/_components/index.ts

@@ -0,0 +1,8 @@
+export { useKorrekturWorkspace } from './useKorrekturWorkspace'
+export { TopNavigationBar } from './TopNavigationBar'
+export { EinigungModal } from './EinigungModal'
+export { DocumentViewer } from './DocumentViewer'
+export { CorrectionPanel } from './CorrectionPanel'
+export { CriteriaTab } from './CriteriaTab'
+export type { ExaminerWorkflow, ActiveTab, GradeTotals } from './workspace-types'
+export { API_BASE, GRADE_LABELS, WORKFLOW_STATUS_LABELS, ROLE_LABELS } from './workspace-types'

admin-lehrer/app/(admin)/education/klausur-korrektur/[klausurId]/[studentId]/_components/useKorrekturWorkspace.ts

@@ -0,0 +1,454 @@
+'use client'
+
+/**
+ * Custom hook encapsulating all state, data-fetching, CRUD operations,
+ * and workflow actions for the Korrektur-Workspace page.
+ */
+
+import { useState, useEffect, useCallback, useMemo } from 'react'
+import type {
+  Klausur, StudentWork, Annotation, CriteriaScores,
+  GradeInfo, AnnotationType, AnnotationPosition,
+} from '../../../types'
+import type { ExaminerWorkflow, ActiveTab, GradeTotals } from './workspace-types'
+import { API_BASE } from './workspace-types'
+
+/** Download a blob from url and trigger browser download with given filename. */
+async function downloadBlob(url: string, filename: string) {
+  const res = await fetch(url)
+  if (!res.ok) throw new Error('Download failed')
+  const blob = await res.blob()
+  const blobUrl = window.URL.createObjectURL(blob)
+  const a = document.createElement('a')
+  a.href = blobUrl; a.download = filename
+  document.body.appendChild(a); a.click()
+  document.body.removeChild(a); window.URL.revokeObjectURL(blobUrl)
+}
+
+export function useKorrekturWorkspace(
+  klausurId: string,
+  studentId: string,
+  routerPush: (url: string) => void,
+) {
+  // ---- Core data state ----
+  const [klausur, setKlausur] = useState<Klausur | null>(null)
+  const [student, setStudent] = useState<StudentWork | null>(null)
+  const [students, setStudents] = useState<StudentWork[]>([])
+  const [annotations, setAnnotations] = useState<Annotation[]>([])
+  const [gradeInfo, setGradeInfo] = useState<GradeInfo | null>(null)
+  const [workflow, setWorkflow] = useState<ExaminerWorkflow | null>(null)
+
+  // ---- UI flags ----
+  const [loading, setLoading] = useState(true)
+  const [saving, setSaving] = useState(false)
+  const [error, setError] = useState<string | null>(null)
+  const [activeTab, setActiveTab] = useState<ActiveTab>('kriterien')
+  const [currentPage, setCurrentPage] = useState(1)
+  const [totalPages] = useState(1)
+  const [zoom, setZoom] = useState(100)
+  const [documentUrl, setDocumentUrl] = useState<string | null>(null)
+  const [generatingGutachten, setGeneratingGutachten] = useState(false)
+  const [exporting, setExporting] = useState(false)
+
+  // ---- Annotation state ----
+  const [selectedTool, setSelectedTool] = useState<AnnotationType | null>(null)
+  const [selectedAnnotation, setSelectedAnnotation] = useState<Annotation | null>(null)
+
+  // ---- Form state ----
+  const [criteriaScores, setCriteriaScores] = useState<CriteriaScores>({})
+  const [gutachten, setGutachten] = useState('')
+
+  // ---- Einigung state ----
+  const [showEinigungModal, setShowEinigungModal] = useState(false)
+  const [einigungGrade, setEinigungGrade] = useState<number>(0)
+  const [einigungNotes, setEinigungNotes] = useState('')
+  const [submittingWorkflow, setSubmittingWorkflow] = useState(false)
+
+  // ---- Derived ----
+  const currentIndex = students.findIndex(s => s.id === studentId)
+
+  const annotationCounts = useMemo(() => {
+    const counts: Record<AnnotationType, number> = {
+      rechtschreibung: 0, grammatik: 0, inhalt: 0,
+      struktur: 0, stil: 0, comment: 0, highlight: 0,
+    }
+    annotations.forEach((ann) => {
+      counts[ann.type] = (counts[ann.type] || 0) + 1
+    })
+    return counts
+  }, [annotations])
+
+  // ---- Grade calculation ----
+  const calculateTotalPoints = useCallback((): GradeTotals => {
+    if (!gradeInfo?.criteria) return { raw: 0, weighted: 0, gradePoints: 0 }
+
+    let totalWeighted = 0
+    let totalWeight = 0
+
+    Object.entries(gradeInfo.criteria).forEach(([key, criterion]) => {
+      const score = criteriaScores[key] || 0
+      totalWeighted += score * (criterion.weight / 100)
+      totalWeight += criterion.weight
+    })
+
+    const percentage = totalWeight > 0 ? (totalWeighted / totalWeight) * 100 : 0
+
+    let gradePoints = 0
+    const thresholds = [
+      { points: 15, min: 95 }, { points: 14, min: 90 }, { points: 13, min: 85 },
+      { points: 12, min: 80 }, { points: 11, min: 75 }, { points: 10, min: 70 },
+      { points: 9, min: 65 }, { points: 8, min: 60 }, { points: 7, min: 55 },
+      { points: 6, min: 50 }, { points: 5, min: 45 }, { points: 4, min: 40 },
+      { points: 3, min: 33 }, { points: 2, min: 27 }, { points: 1, min: 20 },
+    ]
+    for (const t of thresholds) {
+      if (percentage >= t.min) { gradePoints = t.points; break }
+    }
+
+    return { raw: Math.round(totalWeighted), weighted: Math.round(percentage), gradePoints }
+  }, [gradeInfo, criteriaScores])
+
+  const totals = calculateTotalPoints()
+
+  // ---- Data fetching ----
+  const fetchData = useCallback(async () => {
+    try {
+      setLoading(true)
+
+      const klausurRes = await fetch(`${API_BASE}/api/v1/klausuren/${klausurId}`)
+      if (klausurRes.ok) setKlausur(await klausurRes.json())
+
+      const studentsRes = await fetch(`${API_BASE}/api/v1/klausuren/${klausurId}/students`)
+      if (studentsRes.ok) {
+        const data = await studentsRes.json()
+        setStudents(Array.isArray(data) ? data : data.students || [])
+      }
+
+      const studentRes = await fetch(`${API_BASE}/api/v1/students/${studentId}`)
+      if (studentRes.ok) {
+        const studentData = await studentRes.json()
+        setStudent(studentData)
+        setCriteriaScores(studentData.criteria_scores || {})
+        setGutachten(studentData.gutachten || '')
+      }
+
+      const gradeInfoRes = await fetch(`${API_BASE}/api/v1/grade-info`)
+      if (gradeInfoRes.ok) setGradeInfo(await gradeInfoRes.json())
+
+      const workflowRes = await fetch(`${API_BASE}/api/v1/students/${studentId}/examiner-workflow`)
+      if (workflowRes.ok) {
+        const workflowData = await workflowRes.json()
+        setWorkflow(workflowData)
+        if (workflowData.workflow_status === 'einigung_required' && workflowData.first_result && workflowData.second_result) {
+          const avgGrade = Math.round((workflowData.first_result.grade_points + workflowData.second_result.grade_points) / 2)
+          setEinigungGrade(avgGrade)
+        }
+      }
+
+      const annotationsEndpoint = workflow?.user_role === 'zk'
+        ? `${API_BASE}/api/v1/students/${studentId}/annotations-filtered`
+        : `${API_BASE}/api/v1/students/${studentId}/annotations`
+      const annotationsRes = await fetch(annotationsEndpoint)
+      if (annotationsRes.ok) {
+        const annotationsData = await annotationsRes.json()
+        setAnnotations(Array.isArray(annotationsData) ? annotationsData : annotationsData.annotations || [])
+      }
+
+      setDocumentUrl(`${API_BASE}/api/v1/students/${studentId}/file`)
+      setError(null)
+    } catch (err) {
+      console.error('Failed to fetch data:', err)
+      setError('Fehler beim Laden der Daten')
+    } finally {
+      setLoading(false)
+    }
+  }, [klausurId, studentId])
+
+  useEffect(() => { fetchData() }, [fetchData])
+
+  // ---- Annotation CRUD ----
+  const createAnnotation = useCallback(async (position: AnnotationPosition, type: AnnotationType) => {
+    try {
+      const newAnnotation = {
+        page: currentPage, position, type, text: '',
+        severity: type === 'rechtschreibung' || type === 'grammatik' ? 'minor' : 'major',
+        role: 'first_examiner',
+        linked_criterion: ['rechtschreibung', 'grammatik', 'inhalt', 'struktur', 'stil'].includes(type) ? type : undefined,
+      }
+      const res = await fetch(`${API_BASE}/api/v1/students/${studentId}/annotations`, {
+        method: 'POST', headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(newAnnotation),
+      })
+      if (res.ok) {
+        const created = await res.json()
+        setAnnotations((prev) => [...prev, created])
+        setSelectedAnnotation(created)
+        setActiveTab('annotationen')
+      } else {
+        const errorData = await res.json()
+        setError(errorData.detail || 'Fehler beim Erstellen der Annotation')
+      }
+    } catch (err) {
+      console.error('Failed to create annotation:', err)
+      setError('Fehler beim Erstellen der Annotation')
+    }
+  }, [studentId, currentPage])
+
+  const updateAnnotation = useCallback(async (id: string, updates: Partial<Annotation>) => {
+    try {
+      const res = await fetch(`${API_BASE}/api/v1/annotations/${id}`, {
+        method: 'PUT', headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify(updates),
+      })
+      if (res.ok) {
+        const updated = await res.json()
+        setAnnotations((prev) => prev.map((ann) => (ann.id === id ? updated : ann)))
+        if (selectedAnnotation?.id === id) setSelectedAnnotation(updated)
+      } else {
+        const errorData = await res.json()
+        setError(errorData.detail || 'Fehler beim Aktualisieren der Annotation')
+      }
+    } catch (err) {
+      console.error('Failed to update annotation:', err)
+      setError('Fehler beim Aktualisieren der Annotation')
+    }
+  }, [selectedAnnotation?.id])
+
+  const deleteAnnotation = useCallback(async (id: string) => {
+    try {
+      const res = await fetch(`${API_BASE}/api/v1/annotations/${id}`, { method: 'DELETE' })
+      if (res.ok) {
+        setAnnotations((prev) => prev.filter((ann) => ann.id !== id))
+        if (selectedAnnotation?.id === id) setSelectedAnnotation(null)
+      } else {
+        const errorData = await res.json()
+        setError(errorData.detail || 'Fehler beim Loeschen der Annotation')
+      }
+    } catch (err) {
+      console.error('Failed to delete annotation:', err)
+      setError('Fehler beim Loeschen der Annotation')
+    }
+  }, [selectedAnnotation?.id])
+
+  // ---- Criteria ----
+  const saveCriteriaScores = useCallback(async (newScores: CriteriaScores) => {
+    try {
+      setSaving(true)
+      const res = await fetch(`${API_BASE}/api/v1/students/${studentId}/criteria`, {
+        method: 'PUT', headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ criteria_scores: newScores }),
+      })
+      if (res.ok) { setStudent(await res.json()) }
+      else { setError('Fehler beim Speichern') }
+    } catch (err) {
+      console.error('Failed to save criteria:', err)
+      setError('Fehler beim Speichern')
+    } finally { setSaving(false) }
+  }, [studentId])
+
+  const handleCriteriaChange = (criterion: string, value: number) => {
+    const newScores = { ...criteriaScores, [criterion]: value }
+    setCriteriaScores(newScores)
+    saveCriteriaScores(newScores)
+  }
+
+  // ---- Gutachten ----
+  const saveGutachten = useCallback(async () => {
+    try {
+      setSaving(true)
+      const res = await fetch(`${API_BASE}/api/v1/students/${studentId}/gutachten`, {
+        method: 'PUT', headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ gutachten }),
+      })
+      if (res.ok) { setStudent(await res.json()) }
+      else { setError('Fehler beim Speichern') }
+    } catch (err) {
+      console.error('Failed to save gutachten:', err)
+      setError('Fehler beim Speichern')
+    } finally { setSaving(false) }
+  }, [studentId, gutachten])
+
+  const generateGutachten = useCallback(async () => {
+    try {
+      setGeneratingGutachten(true)
+      setError(null)
+      const res = await fetch(`${API_BASE}/api/v1/students/${studentId}/gutachten/generate`, {
+        method: 'POST', headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ criteria_scores: criteriaScores }),
+      })
+      if (res.ok) {
+        const data = await res.json()
+        const generatedText = [data.einleitung || '', '', data.hauptteil || '', '', data.fazit || '']
+          .filter(Boolean).join('\n\n')
+        setGutachten(generatedText)
+        setActiveTab('gutachten')
+      } else {
+        const errorData = await res.json()
+        setError(errorData.detail || 'Fehler bei der Gutachten-Generierung')
+      }
+    } catch (err) {
+      console.error('Failed to generate gutachten:', err)
+      setError('Fehler bei der Gutachten-Generierung')
+    } finally { setGeneratingGutachten(false) }
+  }, [studentId, criteriaScores])
+
+  // ---- PDF Export ----
+  const exportGutachtenPDF = useCallback(async () => {
+    try {
+      setExporting(true); setError(null)
+      const name = student?.anonym_id?.replace(/\s+/g, '_') || 'Student'
+      await downloadBlob(
+        `${API_BASE}/api/v1/students/${studentId}/export/gutachten`,
+        `Gutachten_${name}_${new Date().toISOString().split('T')[0]}.pdf`,
+      )
+    } catch (err) {
+      console.error('Failed to export PDF:', err)
+      setError('Fehler beim PDF-Export')
+    } finally { setExporting(false) }
+  }, [studentId, student?.anonym_id])
+
+  const exportAnnotationsPDF = useCallback(async () => {
+    try {
+      setExporting(true); setError(null)
+      const name = student?.anonym_id?.replace(/\s+/g, '_') || 'Student'
+      await downloadBlob(
+        `${API_BASE}/api/v1/students/${studentId}/export/annotations`,
+        `Anmerkungen_${name}_${new Date().toISOString().split('T')[0]}.pdf`,
+      )
+    } catch (err) {
+      console.error('Failed to export annotations PDF:', err)
+      setError('Fehler beim PDF-Export')
+    } finally { setExporting(false) }
+  }, [studentId, student?.anonym_id])
+
+  // ---- Workflow actions ----
+  const submitErstkorrektur = useCallback(async () => {
+    try {
+      setSubmittingWorkflow(true)
+      const assignRes = await fetch(`${API_BASE}/api/v1/students/${studentId}/examiner`, {
+        method: 'POST', headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ examiner_id: 'current-user', examiner_role: 'first_examiner' }),
+      })
+      if (!assignRes.ok && assignRes.status !== 400) {
+        const err = await assignRes.json()
+        throw new Error(err.detail || 'Fehler bei der Zuweisung')
+      }
+      const submitRes = await fetch(`${API_BASE}/api/v1/students/${studentId}/examiner/result`, {
+        method: 'POST', headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ grade_points: totals.gradePoints, notes: gutachten }),
+      })
+      if (submitRes.ok) { fetchData() }
+      else {
+        const err = await submitRes.json()
+        setError(err.detail || 'Fehler beim Abschliessen der Erstkorrektur')
+      }
+    } catch (err) {
+      console.error('Failed to submit Erstkorrektur:', err)
+      setError('Fehler beim Abschliessen der Erstkorrektur')
+    } finally { setSubmittingWorkflow(false) }
+  }, [studentId, totals.gradePoints, gutachten, fetchData])
+
+  const startZweitkorrektur = useCallback(async (zweitkorrektorId: string) => {
+    try {
+      setSubmittingWorkflow(true)
+      const res = await fetch(`${API_BASE}/api/v1/students/${studentId}/start-zweitkorrektur`, {
+        method: 'POST', headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ zweitkorrektor_id: zweitkorrektorId }),
+      })
+      if (res.ok) { fetchData() }
+      else {
+        const err = await res.json()
+        setError(err.detail || 'Fehler beim Starten der Zweitkorrektur')
+      }
+    } catch (err) {
+      console.error('Failed to start Zweitkorrektur:', err)
+      setError('Fehler beim Starten der Zweitkorrektur')
+    } finally { setSubmittingWorkflow(false) }
+  }, [studentId, fetchData])
+
+  const submitZweitkorrektur = useCallback(async () => {
+    try {
+      setSubmittingWorkflow(true)
+      const res = await fetch(`${API_BASE}/api/v1/students/${studentId}/submit-zweitkorrektur`, {
+        method: 'POST', headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({
+          grade_points: totals.gradePoints, criteria_scores: criteriaScores,
+          gutachten: gutachten ? { text: gutachten } : null, notes: '',
+        }),
+      })
+      if (res.ok) {
+        const result = await res.json()
+        if (result.workflow_status === 'completed') {
+          alert(`Auto-Konsens erreicht! Endnote: ${result.final_grade} Punkte`)
+        } else if (result.workflow_status === 'einigung_required') {
+          setShowEinigungModal(true)
+        } else if (result.workflow_status === 'drittkorrektur_required') {
+          alert(`Drittkorrektur erforderlich: Differenz ${result.grade_difference} Punkte`)
+        }
+        fetchData()
+      } else {
+        const err = await res.json()
+        setError(err.detail || 'Fehler beim Abschliessen der Zweitkorrektur')
+      }
+    } catch (err) {
+      console.error('Failed to submit Zweitkorrektur:', err)
+      setError('Fehler beim Abschliessen der Zweitkorrektur')
+    } finally { setSubmittingWorkflow(false) }
+  }, [studentId, totals.gradePoints, criteriaScores, gutachten, fetchData])
+
+  const submitEinigung = useCallback(async (type: 'agreed' | 'split' | 'escalated') => {
+    try {
+      setSubmittingWorkflow(true)
+      const res = await fetch(`${API_BASE}/api/v1/students/${studentId}/einigung`, {
+        method: 'POST', headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ final_grade: einigungGrade, einigung_notes: einigungNotes, einigung_type: type }),
+      })
+      if (res.ok) {
+        const result = await res.json()
+        setShowEinigungModal(false)
+        if (result.workflow_status === 'drittkorrektur_required') {
+          alert('Eskaliert zu Drittkorrektur')
+        } else {
+          alert(`Einigung abgeschlossen: Endnote ${result.final_grade} Punkte`)
+        }
+        fetchData()
+      } else {
+        const err = await res.json()
+        setError(err.detail || 'Fehler bei der Einigung')
+      }
+    } catch (err) {
+      console.error('Failed to submit Einigung:', err)
+      setError('Fehler bei der Einigung')
+    } finally { setSubmittingWorkflow(false) }
+  }, [studentId, einigungGrade, einigungNotes, fetchData])
+
+  // ---- Navigation ----
+  const goToStudent = (direction: 'prev' | 'next') => {
+    const newIndex = direction === 'prev' ? currentIndex - 1 : currentIndex + 1
+    if (newIndex >= 0 && newIndex < students.length) {
+      routerPush(`/education/klausur-korrektur/${klausurId}/${students[newIndex].id}`)
+    }
+  }
+
+  return {
+    // State
+    klausur, student, students, annotations, gradeInfo, workflow,
+    loading, saving, error, activeTab, currentPage, totalPages,
+    zoom, documentUrl, generatingGutachten, exporting,
+    selectedTool, selectedAnnotation,
+    criteriaScores, gutachten,
+    showEinigungModal, einigungGrade, einigungNotes, submittingWorkflow,
+    currentIndex, annotationCounts, totals,
+
+    // Actions
+    setActiveTab, setCurrentPage, setZoom,
+    setSelectedTool, setSelectedAnnotation,
+    setGutachten, setError,
+    setShowEinigungModal, setEinigungGrade, setEinigungNotes,
+    createAnnotation, updateAnnotation, deleteAnnotation,
+    handleCriteriaChange, saveGutachten, generateGutachten,
+    exportGutachtenPDF, exportAnnotationsPDF,
+    submitErstkorrektur, startZweitkorrektur, submitZweitkorrektur, submitEinigung,
+    goToStudent,
+  }
+}

admin-lehrer/app/(admin)/education/klausur-korrektur/[klausurId]/[studentId]/_components/workspace-types.ts

@@ -0,0 +1,93 @@
+/**
+ * Types and constants for the Korrektur-Workspace page.
+ */
+
+import type { CriteriaScores } from '../../../types'
+
+// ---- Examiner workflow types ----
+
+export interface ExaminerInfo {
+  id: string
+  assigned_at: string
+  notes?: string
+}
+
+export interface ExaminerResult {
+  grade_points: number
+  criteria_scores?: CriteriaScores
+  notes?: string
+  submitted_at: string
+}
+
+export interface ExaminerWorkflow {
+  student_id: string
+  workflow_status: string
+  visibility_mode: string
+  user_role: 'ek' | 'zk' | 'dk' | 'viewer'
+  first_examiner?: ExaminerInfo
+  second_examiner?: ExaminerInfo
+  third_examiner?: ExaminerInfo
+  first_result?: ExaminerResult
+  first_result_visible?: boolean
+  second_result?: ExaminerResult
+  third_result?: ExaminerResult
+  grade_difference?: number
+  final_grade?: number
+  consensus_reached?: boolean
+  consensus_type?: string
+  einigung?: {
+    final_grade: number
+    notes: string
+    type: string
+    submitted_by: string
+    submitted_at: string
+    ek_grade: number
+    zk_grade: number
+  }
+  drittkorrektur_reason?: string
+}
+
+// ---- Active tab ----
+
+export type ActiveTab = 'kriterien' | 'gutachten' | 'annotationen' | 'eh-vorschlaege'
+
+// ---- Totals from grade calculation ----
+
+export interface GradeTotals {
+  raw: number
+  weighted: number
+  gradePoints: number
+}
+
+// ---- Constants ----
+
+/** Same-origin proxy to avoid CORS issues */
+export const API_BASE = '/klausur-api'
+
+export const GRADE_LABELS: Record<number, string> = {
+  15: '1+', 14: '1', 13: '1-', 12: '2+', 11: '2', 10: '2-',
+  9: '3+', 8: '3', 7: '3-', 6: '4+', 5: '4', 4: '4-',
+  3: '5+', 2: '5', 1: '5-', 0: '6',
+}
+
+export const WORKFLOW_STATUS_LABELS: Record<string, { label: string; color: string }> = {
+  not_started: { label: 'Nicht gestartet', color: 'bg-slate-100 text-slate-700' },
+  ek_in_progress: { label: 'EK in Arbeit', color: 'bg-blue-100 text-blue-700' },
+  ek_completed: { label: 'EK abgeschlossen', color: 'bg-blue-200 text-blue-800' },
+  zk_assigned: { label: 'ZK zugewiesen', color: 'bg-amber-100 text-amber-700' },
+  zk_in_progress: { label: 'ZK in Arbeit', color: 'bg-amber-200 text-amber-800' },
+  zk_completed: { label: 'ZK abgeschlossen', color: 'bg-amber-300 text-amber-900' },
+  einigung_required: { label: 'Einigung erforderlich', color: 'bg-orange-100 text-orange-700' },
+  einigung_completed: { label: 'Einigung abgeschlossen', color: 'bg-green-100 text-green-700' },
+  drittkorrektur_required: { label: 'DK erforderlich', color: 'bg-red-100 text-red-700' },
+  drittkorrektur_assigned: { label: 'DK zugewiesen', color: 'bg-red-200 text-red-800' },
+  drittkorrektur_in_progress: { label: 'DK in Arbeit', color: 'bg-red-300 text-red-900' },
+  completed: { label: 'Abgeschlossen', color: 'bg-green-200 text-green-800' },
+}
+
+export const ROLE_LABELS: Record<string, { label: string; color: string }> = {
+  ek: { label: 'Erstkorrektor', color: 'bg-blue-500' },
+  zk: { label: 'Zweitkorrektor', color: 'bg-amber-500' },
+  dk: { label: 'Drittkorrektor', color: 'bg-purple-500' },
+  viewer: { label: 'Betrachter', color: 'bg-slate-500' },
+}

admin-lehrer/app/(admin)/education/klausur-korrektur/_components/DirektuploadTab.tsx

@@ -0,0 +1,337 @@
+'use client'
+
+/**
+ * DirektuploadTab - 3-step direct upload wizard
+ */
+
+import type { TabId } from './constants'
+import type { DirektuploadForm } from './types'
+
+interface DirektuploadTabProps {
+  direktForm: DirektuploadForm
+  setDirektForm: React.Dispatch<React.SetStateAction<DirektuploadForm>>
+  direktStep: 1 | 2 | 3
+  setDirektStep: React.Dispatch<React.SetStateAction<1 | 2 | 3>>
+  uploading: boolean
+  onUpload: () => void
+  onNavigate: (tab: TabId) => void
+}
+
+export function DirektuploadTab({
+  direktForm,
+  setDirektForm,
+  direktStep,
+  setDirektStep,
+  uploading,
+  onUpload,
+  onNavigate,
+}: DirektuploadTabProps) {
+  return (
+    <div className="max-w-3xl mx-auto">
+      <div className="bg-white rounded-xl border border-slate-200 shadow-sm overflow-hidden">
+        <StepHeader
+          currentStep={direktStep}
+          onCancel={() => onNavigate('willkommen')}
+        />
+
+        <div className="p-6">
+          {direktStep === 1 && (
+            <FileUploadStep
+              files={direktForm.files}
+              onFilesChange={(files) => setDirektForm(prev => ({ ...prev, files }))}
+              onNext={() => setDirektStep(2)}
+            />
+          )}
+          {direktStep === 2 && (
+            <EHStep
+              aufgabentyp={direktForm.aufgabentyp}
+              ehText={direktForm.ehText}
+              onAufgabentypChange={(v) => setDirektForm(prev => ({ ...prev, aufgabentyp: v }))}
+              onEhTextChange={(v) => setDirektForm(prev => ({ ...prev, ehText: v }))}
+              onBack={() => setDirektStep(1)}
+              onNext={() => setDirektStep(3)}
+            />
+          )}
+          {direktStep === 3 && (
+            <SummaryStep
+              direktForm={direktForm}
+              setDirektForm={setDirektForm}
+              uploading={uploading}
+              onBack={() => setDirektStep(2)}
+              onUpload={onUpload}
+            />
+          )}
+        </div>
+      </div>
+    </div>
+  )
+}
+
+function StepHeader({ currentStep, onCancel }: { currentStep: number; onCancel: () => void }) {
+  return (
+    <div className="bg-slate-50 border-b border-slate-200 px-6 py-4">
+      <div className="flex items-center justify-between mb-2">
+        <h2 className="text-lg font-semibold text-slate-800">Schnellstart - Direkt Korrigieren</h2>
+        <button onClick={onCancel} className="text-sm text-slate-500 hover:text-slate-700">
+          Abbrechen
+        </button>
+      </div>
+      <div className="flex items-center gap-2">
+        {[1, 2, 3].map((step) => (
+          <div key={step} className="flex items-center gap-2 flex-1">
+            <div className={`w-8 h-8 rounded-full flex items-center justify-center text-sm font-medium ${
+              currentStep >= step ? 'bg-blue-600 text-white' : 'bg-slate-200 text-slate-500'
+            }`}>
+              {step}
+            </div>
+            <span className={`text-sm ${currentStep >= step ? 'text-slate-800' : 'text-slate-400'}`}>
+              {step === 1 ? 'Arbeiten' : step === 2 ? 'Erwartungshorizont' : 'Starten'}
+            </span>
+            {step < 3 && <div className={`flex-1 h-1 rounded ${currentStep > step ? 'bg-blue-600' : 'bg-slate-200'}`} />}
+          </div>
+        ))}
+      </div>
+    </div>
+  )
+}
+
+function FileUploadStep({
+  files,
+  onFilesChange,
+  onNext,
+}: {
+  files: File[]
+  onFilesChange: (files: File[]) => void
+  onNext: () => void
+}) {
+  return (
+    <div className="space-y-6">
+      <div>
+        <h3 className="font-medium text-slate-800 mb-2">Schuelerarbeiten hochladen</h3>
+        <p className="text-sm text-slate-500 mb-4">
+          Laden Sie die eingescannten Klausuren hoch. Unterstuetzte Formate: PDF, JPG, PNG.
+        </p>
+
+        <div
+          className={`border-2 border-dashed rounded-xl p-8 text-center transition-colors ${
+            files.length > 0 ? 'border-green-300 bg-green-50' : 'border-slate-300 hover:border-blue-400 hover:bg-blue-50'
+          }`}
+          onDrop={(e) => {
+            e.preventDefault()
+            const dropped = Array.from(e.dataTransfer.files)
+            onFilesChange([...files, ...dropped])
+          }}
+          onDragOver={(e) => e.preventDefault()}
+        >
+          <svg className="w-12 h-12 mx-auto text-slate-400 mb-3" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M15 13l-3-3m0 0l-3 3m3-3v12" />
+          </svg>
+          <p className="text-slate-600 mb-2">Dateien hier ablegen oder</p>
+          <label className="inline-block px-4 py-2 bg-blue-600 text-white rounded-lg cursor-pointer hover:bg-blue-700">
+            Dateien auswaehlen
+            <input
+              type="file"
+              multiple
+              accept=".pdf,.jpg,.jpeg,.png"
+              className="hidden"
+              onChange={(e) => {
+                const selected = Array.from(e.target.files || [])
+                onFilesChange([...files, ...selected])
+              }}
+            />
+          </label>
+        </div>
+
+        {files.length > 0 && (
+          <div className="mt-4 space-y-2">
+            <div className="flex items-center justify-between text-sm text-slate-600">
+              <span>{files.length} Datei{files.length !== 1 ? 'en' : ''} ausgewaehlt</span>
+              <button
+                onClick={() => onFilesChange([])}
+                className="text-red-600 hover:text-red-700"
+              >
+                Alle entfernen
+              </button>
+            </div>
+            <div className="max-h-40 overflow-y-auto space-y-1">
+              {files.map((file, idx) => (
+                <div key={idx} className="flex items-center justify-between bg-slate-50 px-3 py-2 rounded-lg text-sm">
+                  <span className="truncate">{file.name}</span>
+                  <button
+                    onClick={() => onFilesChange(files.filter((_, i) => i !== idx))}
+                    className="text-slate-400 hover:text-red-600"
+                  >
+                    <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                      <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
+                    </svg>
+                  </button>
+                </div>
+              ))}
+            </div>
+          </div>
+        )}
+      </div>
+
+      <div className="flex justify-end">
+        <button
+          onClick={onNext}
+          disabled={files.length === 0}
+          className="px-6 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 disabled:opacity-50 disabled:cursor-not-allowed"
+        >
+          Weiter
+        </button>
+      </div>
+    </div>
+  )
+}
+
+function EHStep({
+  aufgabentyp,
+  ehText,
+  onAufgabentypChange,
+  onEhTextChange,
+  onBack,
+  onNext,
+}: {
+  aufgabentyp: string
+  ehText: string
+  onAufgabentypChange: (v: string) => void
+  onEhTextChange: (v: string) => void
+  onBack: () => void
+  onNext: () => void
+}) {
+  return (
+    <div className="space-y-6">
+      <div>
+        <h3 className="font-medium text-slate-800 mb-2">Erwartungshorizont (optional)</h3>
+        <p className="text-sm text-slate-500 mb-4">
+          Beschreiben Sie die Aufgabenstellung fuer bessere KI-Vorschlaege.
+        </p>
+
+        <div className="mb-4">
+          <label className="block text-sm font-medium text-slate-700 mb-1">Aufgabentyp</label>
+          <select
+            value={aufgabentyp}
+            onChange={(e) => onAufgabentypChange(e.target.value)}
+            className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent"
+          >
+            <option value="">-- Waehlen Sie einen Aufgabentyp --</option>
+            <option value="textanalyse_pragmatisch">Textanalyse (Sachtexte)</option>
+            <option value="gedichtanalyse">Gedichtanalyse</option>
+            <option value="prosaanalyse">Prosaanalyse</option>
+            <option value="dramenanalyse">Dramenanalyse</option>
+            <option value="eroerterung_textgebunden">Textgebundene Eroerterung</option>
+          </select>
+        </div>
+
+        <div>
+          <label className="block text-sm font-medium text-slate-700 mb-1">
+            Aufgabenstellung / Erwartungshorizont
+          </label>
+          <textarea
+            value={ehText}
+            onChange={(e) => onEhTextChange(e.target.value)}
+            placeholder="Beschreiben Sie hier die Aufgabenstellung..."
+            rows={6}
+            className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-transparent resize-none"
+          />
+        </div>
+      </div>
+
+      <div className="flex justify-between">
+        <button onClick={onBack} className="px-6 py-2 text-slate-600 hover:bg-slate-100 rounded-lg">
+          Zurueck
+        </button>
+        <button onClick={onNext} className="px-6 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700">
+          Weiter
+        </button>
+      </div>
+    </div>
+  )
+}
+
+function SummaryStep({
+  direktForm,
+  setDirektForm,
+  uploading,
+  onBack,
+  onUpload,
+}: {
+  direktForm: DirektuploadForm
+  setDirektForm: React.Dispatch<React.SetStateAction<DirektuploadForm>>
+  uploading: boolean
+  onBack: () => void
+  onUpload: () => void
+}) {
+  return (
+    <div className="space-y-6">
+      <div>
+        <h3 className="font-medium text-slate-800 mb-2">Zusammenfassung</h3>
+
+        <div className="bg-slate-50 rounded-lg p-4 space-y-3">
+          <div className="flex items-center justify-between">
+            <span className="text-sm text-slate-600">Titel</span>
+            <input
+              type="text"
+              value={direktForm.klausurTitle}
+              onChange={(e) => setDirektForm(prev => ({ ...prev, klausurTitle: e.target.value }))}
+              className="text-sm font-medium text-slate-800 bg-white border border-slate-200 rounded px-2 py-1 text-right"
+            />
+          </div>
+          <div className="flex items-center justify-between">
+            <span className="text-sm text-slate-600">Anzahl Arbeiten</span>
+            <span className="text-sm font-medium text-slate-800">{direktForm.files.length}</span>
+          </div>
+          <div className="flex items-center justify-between">
+            <span className="text-sm text-slate-600">Aufgabentyp</span>
+            <span className="text-sm font-medium text-slate-800">
+              {direktForm.aufgabentyp || 'Nicht angegeben'}
+            </span>
+          </div>
+        </div>
+
+        <div className="mt-4 p-4 bg-blue-50 border border-blue-200 rounded-lg">
+          <div className="flex items-start gap-3">
+            <svg className="w-5 h-5 text-blue-600 mt-0.5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+            </svg>
+            <div className="text-sm text-blue-800">
+              <p className="font-medium">Was passiert jetzt?</p>
+              <ol className="list-decimal list-inside mt-1 space-y-1 text-blue-700">
+                <li>Eine neue Klausur wird automatisch erstellt</li>
+                <li>Alle {direktForm.files.length} Arbeiten werden hochgeladen</li>
+                <li>OCR-Erkennung startet automatisch</li>
+                <li>Sie werden zur Korrektur-Ansicht weitergeleitet</li>
+              </ol>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      <div className="flex justify-between">
+        <button onClick={onBack} className="px-6 py-2 text-slate-600 hover:bg-slate-100 rounded-lg">
+          Zurueck
+        </button>
+        <button
+          onClick={onUpload}
+          disabled={uploading}
+          className="px-6 py-2 bg-green-600 text-white rounded-lg hover:bg-green-700 disabled:opacity-50 disabled:cursor-not-allowed flex items-center gap-2"
+        >
+          {uploading ? (
+            <>
+              <div className="animate-spin rounded-full h-4 w-4 border-b-2 border-white"></div>
+              Wird hochgeladen...
+            </>
+          ) : (
+            <>
+              <svg className="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 10V3L4 14h7v7l9-11h-7z" />
+              </svg>
+              Korrektur starten
+            </>
+          )}
+        </button>
+      </div>
+    </div>
+  )
+}

admin-lehrer/app/(admin)/education/klausur-korrektur/_components/ErstellenTab.tsx

@@ -0,0 +1,227 @@
+'use client'
+
+/**
+ * ErstellenTab - Form to create a new Klausur
+ */
+
+import type { TabId } from './constants'
+import type { CreateKlausurForm, VorabiturEHForm, EHTemplate } from './types'
+
+interface ErstellenTabProps {
+  form: CreateKlausurForm
+  setForm: React.Dispatch<React.SetStateAction<CreateKlausurForm>>
+  ehForm: VorabiturEHForm
+  setEhForm: React.Dispatch<React.SetStateAction<VorabiturEHForm>>
+  templates: EHTemplate[]
+  loadingTemplates: boolean
+  creating: boolean
+  onSubmit: (e: React.FormEvent) => void
+  onNavigate: (tab: TabId) => void
+}
+
+export function ErstellenTab({
+  form,
+  setForm,
+  ehForm,
+  setEhForm,
+  templates,
+  loadingTemplates,
+  creating,
+  onSubmit,
+  onNavigate,
+}: ErstellenTabProps) {
+  return (
+    <div className="max-w-2xl mx-auto">
+      <div className="bg-white rounded-lg border border-slate-200 shadow-sm p-6">
+        <h2 className="text-lg font-semibold text-slate-800 mb-6">Neue Klausur erstellen</h2>
+
+        <form onSubmit={onSubmit} className="space-y-4">
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-1">
+              Titel der Klausur *
+            </label>
+            <input
+              type="text"
+              value={form.title}
+              onChange={(e) => setForm(prev => ({ ...prev, title: e.target.value }))}
+              placeholder="z.B. Deutsch LK Abitur 2025 - Kurs D1"
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent"
+              required
+            />
+          </div>
+
+          <div className="grid grid-cols-2 gap-4">
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-1">Fach</label>
+              <select
+                value={form.subject}
+                onChange={(e) => setForm(prev => ({ ...prev, subject: e.target.value }))}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent"
+              >
+                <option value="Deutsch">Deutsch</option>
+                <option value="Englisch">Englisch</option>
+                <option value="Mathematik">Mathematik</option>
+                <option value="Geschichte">Geschichte</option>
+                <option value="Biologie">Biologie</option>
+              </select>
+            </div>
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-1">Jahr</label>
+              <input
+                type="number"
+                value={form.year}
+                onChange={(e) => setForm(prev => ({ ...prev, year: parseInt(e.target.value) }))}
+                min={2020}
+                max={2030}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent"
+              />
+            </div>
+          </div>
+
+          <div className="grid grid-cols-2 gap-4">
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-1">Semester / Pruefung</label>
+              <select
+                value={form.semester}
+                onChange={(e) => setForm(prev => ({ ...prev, semester: e.target.value }))}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent"
+              >
+                <option value="Abitur">Abitur</option>
+                <option value="Q1">Q1 (11/1)</option>
+                <option value="Q2">Q2 (11/2)</option>
+                <option value="Q3">Q3 (12/1)</option>
+                <option value="Q4">Q4 (12/2)</option>
+                <option value="Vorabitur">Vorabitur</option>
+              </select>
+            </div>
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-1">Modus</label>
+              <select
+                value={form.modus}
+                onChange={(e) => setForm(prev => ({ ...prev, modus: e.target.value as 'abitur' | 'vorabitur' }))}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent"
+              >
+                <option value="abitur">Abitur (mit offiziellem EH)</option>
+                <option value="vorabitur">Vorabitur (eigener EH)</option>
+              </select>
+            </div>
+          </div>
+
+          {form.modus === 'vorabitur' && (
+            <VorabiturEHSection
+              ehForm={ehForm}
+              setEhForm={setEhForm}
+              templates={templates}
+              loadingTemplates={loadingTemplates}
+            />
+          )}
+
+          <div className="flex gap-3 pt-4">
+            <button
+              type="button"
+              onClick={() => onNavigate('klausuren')}
+              className="px-4 py-2 text-slate-600 hover:bg-slate-100 rounded-lg"
+            >
+              Abbrechen
+            </button>
+            <button
+              type="submit"
+              disabled={creating}
+              className="flex-1 px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700 disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2"
+            >
+              {creating ? (
+                <>
+                  <div className="animate-spin rounded-full h-4 w-4 border-b-2 border-white"></div>
+                  Erstelle...
+                </>
+              ) : (
+                'Klausur erstellen'
+              )}
+            </button>
+          </div>
+        </form>
+      </div>
+    </div>
+  )
+}
+
+function VorabiturEHSection({
+  ehForm,
+  setEhForm,
+  templates,
+  loadingTemplates,
+}: {
+  ehForm: VorabiturEHForm
+  setEhForm: React.Dispatch<React.SetStateAction<VorabiturEHForm>>
+  templates: EHTemplate[]
+  loadingTemplates: boolean
+}) {
+  return (
+    <div className="p-4 bg-blue-50 border border-blue-200 rounded-lg space-y-4">
+      <div className="flex items-start gap-3">
+        <svg className="w-5 h-5 text-blue-600 mt-0.5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z" />
+        </svg>
+        <div className="text-sm text-blue-800">
+          <p className="font-medium mb-1">Eigenen Erwartungshorizont erstellen</p>
+          <p>Waehlen Sie einen Aufgabentyp und beschreiben Sie die Aufgabenstellung.</p>
+        </div>
+      </div>
+
+      <div>
+        <label className="block text-sm font-medium text-slate-700 mb-1">Aufgabentyp *</label>
+        {loadingTemplates ? (
+          <div className="flex items-center gap-2 text-sm text-slate-500">
+            <div className="animate-spin rounded-full h-4 w-4 border-b-2 border-blue-600"></div>
+            Lade Vorlagen...
+          </div>
+        ) : (
+          <select
+            value={ehForm.aufgabentyp}
+            onChange={(e) => setEhForm(prev => ({ ...prev, aufgabentyp: e.target.value }))}
+            className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent bg-white"
+          >
+            <option value="">-- Aufgabentyp waehlen --</option>
+            {templates.map(t => (
+              <option key={t.aufgabentyp} value={t.aufgabentyp}>{t.name}</option>
+            ))}
+          </select>
+        )}
+      </div>
+
+      <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+        <div>
+          <label className="block text-sm font-medium text-slate-700 mb-1">Texttitel (optional)</label>
+          <input
+            type="text"
+            value={ehForm.text_titel}
+            onChange={(e) => setEhForm(prev => ({ ...prev, text_titel: e.target.value }))}
+            placeholder="z.B. 'Die Verwandlung'"
+            className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent"
+          />
+        </div>
+        <div>
+          <label className="block text-sm font-medium text-slate-700 mb-1">Autor (optional)</label>
+          <input
+            type="text"
+            value={ehForm.text_autor}
+            onChange={(e) => setEhForm(prev => ({ ...prev, text_autor: e.target.value }))}
+            placeholder="z.B. 'Franz Kafka'"
+            className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent"
+          />
+        </div>
+      </div>
+
+      <div>
+        <label className="block text-sm font-medium text-slate-700 mb-1">Aufgabenstellung *</label>
+        <textarea
+          value={ehForm.aufgabenstellung}
+          onChange={(e) => setEhForm(prev => ({ ...prev, aufgabenstellung: e.target.value }))}
+          placeholder="Beschreiben Sie hier die konkrete Aufgabenstellung..."
+          rows={4}
+          className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent resize-none"
+        />
+      </div>
+    </div>
+  )
+}