feat(sdk): API-Referenz Frontend + Backend-Konsolidierung (Shared Utilities, CRUD Factory)

- API-Referenz Seite (/sdk/api-docs) mit ~690 Endpoints, Suche, Filter, Modul-Index
- Shared db_utils.py (row_to_dict) + tenant_utils Integration in 6 Route-Dateien
- CRUD Factory (crud_factory.py) fuer zukuenftige Module
- Version-Route Auto-Registration in versioning_utils.py
- 1338 Tests bestanden, -232 Zeilen Duplikat-Code

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

backend-compliance/tests/test_escalation_routes.py

@@ -11,9 +11,10 @@ from compliance.api.escalation_routes import (
     EscalationCreate,
     EscalationUpdate,
     EscalationStatusUpdate,
-    _row_to_dict,
-    DEFAULT_TENANT_ID,
 )
+from compliance.api.db_utils import row_to_dict as _row_to_dict
+
+DEFAULT_TENANT_ID = "9282a473-5c95-4b3a-bf78-0ecc0ec71d3e"
 
 from classroom_engine.database import get_db