feat: Agent Management Modul — SOUL-Editor, Dashboard, Architektur-Doku

- SOUL-Dateien: System-Prompts aus Chat-Routen extrahiert nach agent-core/soul/*.soul.md
- soul-reader.ts: Lese-/Schreib-API mit 30s TTL-Cache und Backup-Versionierung
- agent-registry.ts: Statische Konfiguration der 2 Compliance-Agenten
- 5 API-Routen: /api/sdk/agents (Liste, Detail, SOUL GET/PUT, Sessions, Statistiken)
- 5 Frontend-Seiten: Dashboard, Detail mit SOUL-Editor, Architektur, Sessions, Statistiken
- Sidebar: "Agenten" Link nach Architektur eingefügt
- Wire-Up: compliance-advisor + drafting-engine lesen SOUL-Datei mit Fallback
- Dockerfile: agent-core wird in Production-Image kopiert

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

admin-compliance/app/api/sdk/agents/[agentId]/route.ts

@@ -0,0 +1,37 @@
+/**
+ * GET /api/sdk/agents/[agentId] — Agent-Detail mit SOUL-Content
+ */
+
+import { NextRequest, NextResponse } from 'next/server'
+import { getAgentById } from '@/lib/sdk/agents/agent-registry'
+import { readSoulFile, getSoulFileStats, soulFileExists } from '@/lib/sdk/agents/soul-reader'
+
+export async function GET(
+  _request: NextRequest,
+  { params }: { params: Promise<{ agentId: string }> }
+) {
+  try {
+    const { agentId } = await params
+    const agent = getAgentById(agentId)
+
+    if (!agent) {
+      return NextResponse.json({ error: 'Agent not found' }, { status: 404 })
+    }
+
+    const exists = await soulFileExists(agentId)
+    const soulContent = await readSoulFile(agentId)
+    const fileStats = await getSoulFileStats(agentId)
+
+    return NextResponse.json({
+      ...agent,
+      status: exists ? agent.status : 'error',
+      soulContent: soulContent || '',
+      createdAt: fileStats?.createdAt || null,
+      updatedAt: fileStats?.updatedAt || null,
+      fileSize: fileStats?.size || 0,
+    })
+  } catch (error) {
+    console.error('Error fetching agent detail:', error)
+    return NextResponse.json({ error: 'Failed to fetch agent' }, { status: 500 })
+  }
+}

admin-compliance/app/api/sdk/agents/[agentId]/soul/route.ts

@@ -0,0 +1,84 @@
+/**
+ * GET/PUT /api/sdk/agents/[agentId]/soul — SOUL-Datei lesen/schreiben
+ *
+ * GET: Content + Metadaten, ?history=true fuer Backup-Versionen
+ * PUT: Backup erstellen -> neuen Content schreiben -> Cache invalidieren
+ */
+
+import { NextRequest, NextResponse } from 'next/server'
+import { getAgentById } from '@/lib/sdk/agents/agent-registry'
+import {
+  readSoulFile,
+  writeSoulFile,
+  listSoulBackups,
+  getSoulFileStats,
+} from '@/lib/sdk/agents/soul-reader'
+
+export async function GET(
+  request: NextRequest,
+  { params }: { params: Promise<{ agentId: string }> }
+) {
+  try {
+    const { agentId } = await params
+    const agent = getAgentById(agentId)
+
+    if (!agent) {
+      return NextResponse.json({ error: 'Agent not found' }, { status: 404 })
+    }
+
+    const showHistory = request.nextUrl.searchParams.get('history') === 'true'
+
+    if (showHistory) {
+      const backups = await listSoulBackups(agentId)
+      return NextResponse.json({ agentId, backups })
+    }
+
+    const content = await readSoulFile(agentId)
+    const fileStats = await getSoulFileStats(agentId)
+
+    return NextResponse.json({
+      agentId,
+      content: content || '',
+      updatedAt: fileStats?.updatedAt || null,
+      size: fileStats?.size || 0,
+    })
+  } catch (error) {
+    console.error('Error reading SOUL file:', error)
+    return NextResponse.json({ error: 'Failed to read SOUL file' }, { status: 500 })
+  }
+}
+
+export async function PUT(
+  request: NextRequest,
+  { params }: { params: Promise<{ agentId: string }> }
+) {
+  try {
+    const { agentId } = await params
+    const agent = getAgentById(agentId)
+
+    if (!agent) {
+      return NextResponse.json({ error: 'Agent not found' }, { status: 404 })
+    }
+
+    const body = await request.json()
+    const { content } = body
+
+    if (typeof content !== 'string' || content.trim().length === 0) {
+      return NextResponse.json({ error: 'Content is required' }, { status: 400 })
+    }
+
+    await writeSoulFile(agentId, content)
+
+    const fileStats = await getSoulFileStats(agentId)
+
+    return NextResponse.json({
+      agentId,
+      updatedAt: fileStats?.updatedAt || new Date().toISOString(),
+      size: fileStats?.size || content.length,
+      message: 'SOUL file updated successfully',
+    })
+  } catch (error) {
+    console.error('Error writing SOUL file:', error)
+    return NextResponse.json({ error: 'Failed to write SOUL file' }, { status: 500 })
+  }
+}