refactor: Jitsi/Matrix/Voice von Core übernommen, Camunda/BPMN gelöscht, Kommunikation-Nav

- Voice-Service von Core nach Lehrer verschoben (bp-lehrer-voice-service)
- 4 Jitsi-Services + 2 Synapse-Services in docker-compose.yml aufgenommen
- Camunda komplett gelöscht: workflow pages, workflow-config.ts, bpmn-js deps
- CAMUNDA_URL aus backend-lehrer environment entfernt
- Sidebar: Kategorie "Compliance SDK" + "Katalogverwaltung" entfernt
- Sidebar: Neue Kategorie "Kommunikation" mit Video & Chat, Voice Service, Alerts

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

voice-service/bqas/__init__.py

@@ -0,0 +1,49 @@
+"""
+BQAS - Breakpilot Quality Assurance System
+
+LLM-based quality assurance framework for voice service with:
+- LLM Judge (Qwen2.5-32B based evaluation)
+- RAG Judge (Specialized RAG/Correction evaluation)
+- Synthetic Test Generation
+- Golden Test Suite
+- Regression Tracking
+- Automated Backlog Generation
+- Local Scheduler (Alternative zu GitHub Actions)
+"""
+
+from bqas.judge import LLMJudge, JudgeResult
+from bqas.rag_judge import (
+    RAGJudge,
+    RAGRetrievalResult,
+    RAGOperatorResult,
+    RAGHallucinationResult,
+    RAGPrivacyResult,
+    RAGNamespaceResult,
+)
+from bqas.metrics import BQASMetrics, TestResult
+from bqas.config import BQASConfig
+from bqas.runner import BQASRunner, get_runner, TestRun
+
+# Notifier wird separat importiert (keine externen Abhaengigkeiten)
+# Nutzung: from bqas.notifier import BQASNotifier, Notification, NotificationConfig
+
+__all__ = [
+    # Intent Judge
+    "LLMJudge",
+    "JudgeResult",
+    # RAG Judge
+    "RAGJudge",
+    "RAGRetrievalResult",
+    "RAGOperatorResult",
+    "RAGHallucinationResult",
+    "RAGPrivacyResult",
+    "RAGNamespaceResult",
+    # Metrics & Config
+    "BQASMetrics",
+    "TestResult",
+    "BQASConfig",
+    # Runner
+    "BQASRunner",
+    "get_runner",
+    "TestRun",
+]