[split-required] Split remaining 500-680 LOC files (final batch)

website (17 pages + 3 components):
- multiplayer/wizard, middleware/wizard+test-wizard, communication
- builds/wizard, staff-search, voice, sbom/wizard
- foerderantrag, mail/tasks, tools/communication, sbom
- compliance/evidence, uni-crawler, brandbook (already done)
- CollectionsTab, IngestionTab, RiskHeatmap

backend-lehrer (5 files):
- letters_api (641 → 2), certificates_api (636 → 2)
- alerts_agent/db/models (636 → 3)
- llm_gateway/communication_service (614 → 2)
- game/database already done in prior batch

klausur-service (2 files):
- hybrid_vocab_extractor (664 → 2)
- klausur-service/frontend: api.ts (620 → 3), EHUploadWizard (591 → 2)

voice-service (3 files):
- bqas/rag_judge (618 → 3), runner (529 → 2)
- enhanced_task_orchestrator (519 → 2)

studio-v2 (6 files):
- korrektur/[klausurId] (578 → 4), fairness (569 → 2)
- AlertsWizard (552 → 2), OnboardingWizard (513 → 2)
- korrektur/api.ts (506 → 3), geo-lernwelt (501 → 2)

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

website/app/mail/tasks/_components/CreateTaskModal.tsx

@@ -0,0 +1,126 @@
+'use client'
+
+import { useState } from 'react'
+import { API_BASE } from './types'
+
+interface CreateTaskModalProps {
+  onClose: () => void
+  onSuccess: () => void
+}
+
+export function CreateTaskModal({
+  onClose,
+  onSuccess
+}: CreateTaskModalProps) {
+  const [formData, setFormData] = useState({
+    title: '',
+    description: '',
+    priority: 'medium',
+    deadline: '',
+  })
+  const [submitting, setSubmitting] = useState(false)
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault()
+    setSubmitting(true)
+
+    try {
+      const res = await fetch(`${API_BASE}/api/v1/mail/tasks`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({
+          title: formData.title,
+          description: formData.description,
+          priority: formData.priority,
+          deadline: formData.deadline || null,
+        }),
+      })
+
+      if (res.ok) {
+        onSuccess()
+      }
+    } catch (err) {
+      console.error('Failed to create task:', err)
+    } 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-md w-full mx-4">
+        <div className="p-6 border-b border-slate-200">
+          <h2 className="text-lg font-semibold text-slate-900">Neue Aufgabe erstellen</h2>
+        </div>
+
+        <form onSubmit={handleSubmit} className="p-6 space-y-4">
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-1">Titel</label>
+            <input
+              type="text"
+              required
+              value={formData.title}
+              onChange={(e) => setFormData({ ...formData, title: e.target.value })}
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
+              placeholder="Was muss erledigt werden?"
+            />
+          </div>
+
+          <div>
+            <label className="block text-sm font-medium text-slate-700 mb-1">Beschreibung</label>
+            <textarea
+              value={formData.description}
+              onChange={(e) => setFormData({ ...formData, description: e.target.value })}
+              className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
+              rows={3}
+              placeholder="Weitere Details..."
+            />
+          </div>
+
+          <div className="grid grid-cols-2 gap-4">
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-1">Prioritaet</label>
+              <select
+                value={formData.priority}
+                onChange={(e) => setFormData({ ...formData, priority: e.target.value })}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
+              >
+                <option value="urgent">Dringend</option>
+                <option value="high">Hoch</option>
+                <option value="medium">Mittel</option>
+                <option value="low">Niedrig</option>
+              </select>
+            </div>
+
+            <div>
+              <label className="block text-sm font-medium text-slate-700 mb-1">Frist</label>
+              <input
+                type="date"
+                value={formData.deadline}
+                onChange={(e) => setFormData({ ...formData, deadline: e.target.value })}
+                className="w-full px-3 py-2 border border-slate-300 rounded-lg focus:ring-2 focus:ring-primary-500"
+              />
+            </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-primary-600 rounded-lg hover:bg-primary-700 disabled:opacity-50"
+            >
+              {submitting ? 'Erstellen...' : 'Aufgabe erstellen'}
+            </button>
+          </div>
+        </form>
+      </div>
+    </div>
+  )
+}