refactor: LLM Compare komplett entfernt, Video/Voice/Alerts Sidebar hinzugefuegt

- LLM Compare Seiten, Configs und alle Referenzen geloescht
- Kommunikation-Kategorie in Sidebar mit Video & Chat, Voice Service, Alerts
- Compliance SDK Kategorie aus Sidebar entfernt

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

admin-lehrer/types/ai-modules.ts

@@ -119,13 +119,6 @@ export const AI_PIPELINE_MODULES: AIModuleLink[] = [
  * Kein direkter Datenfluss zur Pipeline.
  */
 export const AI_TOOLS_MODULES: AIModuleLink[] = [
-  {
-    id: 'llm-compare',
-    name: 'LLM Vergleich',
-    href: '/ai/llm-compare',
-    description: 'KI-Provider Vergleich & Evaluation',
-    icon: '⚖️',
-  },
   {
     id: 'test-quality',
     name: 'Test Quality (BQAS)',
@@ -212,27 +205,7 @@ export const AI_MODULE_RELATIONS: Record<string, AIModuleLink[]> = {
     },
   ],
   // KI-Werkzeuge Relations (Standalone-Tools)
-  'llm-compare': [
-    {
-      id: 'test-quality',
-      name: 'Test Quality (BQAS)',
-      href: '/ai/test-quality',
-      description: 'Golden Suite & Synthetic Tests',
-    },
-    {
-      id: 'agents',
-      name: 'Agent Management',
-      href: '/ai/agents',
-      description: 'Multi-Agent System',
-    },
-  ],
   'test-quality': [
-    {
-      id: 'llm-compare',
-      name: 'LLM Vergleich',
-      href: '/ai/llm-compare',
-      description: 'KI-Provider vergleichen',
-    },
     {
       id: 'klausur-korrektur',
       name: 'Klausur-Korrektur',