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/app/(admin)/development/page.tsx

@@ -24,7 +24,6 @@ export default function DevelopmentPage() {
         }}
         relatedPages={[
           { name: 'GPU Infrastruktur', href: '/infrastructure/gpu', description: 'GPU fuer Voice/Game' },
-          { name: 'LLM Vergleich', href: '/ai/llm-compare', description: 'LLM fuer Voice/Game' },
         ]}
         collapsible={true}
         defaultCollapsed={false}

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

@@ -149,7 +149,6 @@ const ADMIN_SCREENS: ScreenDefinition[] = [
   { id: 'admin-obligations', name: 'Pflichten', description: 'NIS2, DSGVO, AI Act', category: 'sdk', icon: '⚡', url: '/sdk/obligations' },
 
   // === KI & AUTOMATISIERUNG (Teal #14b8a6) ===
-  { id: 'admin-llm-compare', name: 'LLM Vergleich', description: 'KI-Provider Vergleich', category: 'ai', icon: '🤖', url: '/ai/llm-compare' },
   { 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' },
@@ -196,7 +195,6 @@ const ADMIN_CONNECTIONS: ConnectionDef[] = [
   { 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-onboarding', target: 'admin-llm-compare' },
   { source: 'admin-rbac', target: 'admin-consent' },
 
   // === DSGVO FLOW ===
@@ -224,7 +222,6 @@ const ADMIN_CONNECTIONS: ConnectionDef[] = [
   { source: 'admin-dsms', target: 'admin-compliance-workflow' },
 
   // === KI & AUTOMATISIERUNG FLOW ===
-  { source: 'admin-llm-compare', target: 'admin-rag', label: 'Daten' },
   { source: 'admin-rag', target: 'admin-quality' },
   { source: 'admin-rag', target: 'admin-agents' },
   { source: 'admin-ocr-labeling', target: 'admin-magic-help', label: 'Training' },