sprint12+13: zentrale rechte settings page + ABAC engine backend (model, migration 0055, service, routes)

app/main.py

@@ -62,6 +62,7 @@ from app.routes import (
     webhooks,
     backups,
     owner_transfer,
+    policies,
 )
 
 
@@ -403,6 +404,7 @@ def create_app() -> FastAPI:
     app.include_router(saved_filters.router)
     app.include_router(saved_views.router)
     app.include_router(webhooks.router)
+    app.include_router(policies.router)
     app.include_router(errors.router)
 
     # ── Register plugin routes for all built-in plugins ──