[split-required] Split final batch of monoliths >1000 LOC

Python (6 files in klausur-service):
- rbac.py (1,132 → 4), admin_api.py (1,012 → 4)
- routes/eh.py (1,111 → 4), ocr_pipeline_geometry.py (1,105 → 5)

Python (2 files in backend-lehrer):
- unit_api.py (1,226 → 6), game_api.py (1,129 → 5)

Website (6 page files):
- 4x klausur-korrektur pages (1,249-1,328 LOC each) → shared components
  in website/components/klausur-korrektur/ (17 shared files)
- companion (1,057 → 10), magic-help (1,017 → 8)

All re-export barrels preserve backward compatibility.
Zero import errors verified.

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

website/app/admin/companion/_components/FeedbackTab.tsx

@@ -0,0 +1,110 @@
+'use client'
+
+import type { Feature, TeacherFeedback } from './types'
+import { priorityColors, feedbackTypeIcons } from './types'
+
+interface FeedbackTabProps {
+  features: Feature[]
+  filteredFeedback: TeacherFeedback[]
+  feedbackFilter: string
+  setFeedbackFilter: (filter: string) => void
+  updateFeedbackStatus: (id: string, status: TeacherFeedback['status']) => void
+}
+
+export default function FeedbackTab({
+  features,
+  filteredFeedback,
+  feedbackFilter,
+  setFeedbackFilter,
+  updateFeedbackStatus,
+}: FeedbackTabProps) {
+  return (
+    <div>
+      {/* Filter */}
+      <div className="flex gap-2 mb-4 flex-wrap">
+        {['all', 'new', 'bug', 'feature_request', 'improvement'].map(filter => (
+          <button
+            key={filter}
+            onClick={() => setFeedbackFilter(filter)}
+            className={`px-3 py-1.5 rounded-lg text-sm font-medium transition-colors ${
+              feedbackFilter === filter ? 'bg-primary-600 text-white' : 'bg-slate-100 text-slate-600 hover:bg-slate-200'
+            }`}
+          >
+            {filter === 'all' ? 'Alle' :
+             filter === 'new' ? 'Neu' :
+             filter === 'bug' ? 'Bugs' :
+             filter === 'feature_request' ? 'Feature-Requests' : 'Verbesserungen'}
+          </button>
+        ))}
+      </div>
+
+      {/* Feedback List */}
+      <div className="space-y-3">
+        {filteredFeedback.map(fb => (
+          <div key={fb.id} className="border border-slate-200 rounded-xl p-4">
+            <div className="flex items-start gap-3">
+              <div className={`w-10 h-10 rounded-full flex items-center justify-center ${
+                fb.type === 'bug' ? 'bg-red-100' :
+                fb.type === 'feature_request' ? 'bg-blue-100' :
+                fb.type === 'improvement' ? 'bg-amber-100' :
+                fb.type === 'praise' ? 'bg-pink-100' : 'bg-purple-100'
+              }`}>
+                <svg className={`w-5 h-5 ${
+                  fb.type === 'bug' ? 'text-red-600' :
+                  fb.type === 'feature_request' ? 'text-blue-600' :
+                  fb.type === 'improvement' ? 'text-amber-600' :
+                  fb.type === 'praise' ? 'text-pink-600' : 'text-purple-600'
+                }`} fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d={feedbackTypeIcons[fb.type]} />
+                </svg>
+              </div>
+              <div className="flex-1">
+                <div className="flex items-center gap-2 mb-1">
+                  <span className="font-semibold text-slate-900">{fb.title}</span>
+                  <span className={`px-1.5 py-0.5 rounded text-xs ${priorityColors[fb.priority]}`}>
+                    {fb.priority}
+                  </span>
+                </div>
+                <p className="text-sm text-slate-600 mb-2">{fb.description}</p>
+                <div className="flex items-center gap-4 text-xs text-slate-400">
+                  <span>{fb.teacher}</span>
+                  <span>{fb.date}</span>
+                  {fb.relatedFeature && (
+                    <span className="text-primary-600">→ {features.find(f => f.id === fb.relatedFeature)?.title}</span>
+                  )}
+                </div>
+                {fb.response && (
+                  <div className="mt-2 p-2 bg-green-50 rounded text-sm text-green-800">
+                    <strong>Antwort:</strong> {fb.response}
+                  </div>
+                )}
+              </div>
+              <select
+                value={fb.status}
+                onChange={(e) => updateFeedbackStatus(fb.id, e.target.value as TeacherFeedback['status'])}
+                className={`px-2 py-1 rounded text-xs font-medium border-0 cursor-pointer ${
+                  fb.status === 'new' ? 'bg-red-100 text-red-700' :
+                  fb.status === 'acknowledged' ? 'bg-blue-100 text-blue-700' :
+                  fb.status === 'planned' ? 'bg-amber-100 text-amber-700' :
+                  fb.status === 'implemented' ? 'bg-green-100 text-green-700' :
+                  'bg-slate-100 text-slate-600'
+                }`}
+              >
+                <option value="new">Neu</option>
+                <option value="acknowledged">Gesehen</option>
+                <option value="planned">Geplant</option>
+                <option value="implemented">Umgesetzt</option>
+                <option value="declined">Abgelehnt</option>
+              </select>
+            </div>
+          </div>
+        ))}
+      </div>
+
+      {/* Add Feedback Button */}
+      <button className="mt-4 w-full py-3 border-2 border-dashed border-slate-300 rounded-xl text-slate-500 hover:border-primary-400 hover:text-primary-600 transition-colors">
+        + Neues Feedback hinzufuegen
+      </button>
+    </div>
+  )
+}