M15: synchronize contracts and acceptance

backend/app/models/__init__.py

@@ -7,6 +7,7 @@ from app.models.idempotency import IdempotencyRecord
 from app.models.inspection import Inspection
 from app.models.maintenance import MaintenanceRecord
 from app.models.outbox import OutboxEvent
+from app.models.revoked_session import RevokedSession
 from app.models.user import User
 from app.models.vehicle import Vehicle
 
@@ -20,6 +21,7 @@ __all__ = [
     "Inspection",
     "MaintenanceRecord",
     "OutboxEvent",
+    "RevokedSession",
     "User",
     "Vehicle",
 ]