feat: BreakPilot PWA - Full codebase (clean push without large binaries)

All services: admin-v2, studio-v2, website, ai-compliance-sdk,
consent-service, klausur-service, voice-service, and infrastructure.
Large PDFs and compiled binaries excluded via .gitignore.

backend/alerts_agent/db/__init__.py

@@ -0,0 +1,34 @@
+"""
+Database Module für Alerts Agent.
+
+Stellt PostgreSQL-Anbindung für Alert-Persistenz bereit.
+Nutzt die gleiche Base wie classroom_engine für konsistente Migrationen.
+"""
+from .database import Base, SessionLocal, get_db, engine
+from .models import (
+    AlertTopicDB,
+    AlertItemDB,
+    AlertRuleDB,
+    AlertProfileDB,
+    AlertSourceEnum,
+    AlertStatusEnum,
+    RelevanceDecisionEnum,
+    FeedTypeEnum,
+    RuleActionEnum,
+)
+
+__all__ = [
+    "Base",
+    "SessionLocal",
+    "get_db",
+    "engine",
+    "AlertTopicDB",
+    "AlertItemDB",
+    "AlertRuleDB",
+    "AlertProfileDB",
+    "AlertSourceEnum",
+    "AlertStatusEnum",
+    "RelevanceDecisionEnum",
+    "FeedTypeEnum",
+    "RuleActionEnum",
+]