M15: synchronize contracts and acceptance

backend/app/seed_loader.py

@@ -19,6 +19,7 @@ from app.models.idempotency import IdempotencyRecord
 from app.models.inspection import Inspection
 from app.models.maintenance import MaintenanceRecord
 from app.models.outbox import DEMO_SCENARIO_ERROR_CODE, OutboxEvent
+from app.models.revoked_session import RevokedSession
 from app.models.user import User
 from app.models.vehicle import Vehicle
 from app.services.audit import record_audit_event
@@ -92,6 +93,7 @@ _PERSISTENT_TELEMETRY_ACTIONS = (
 
 def clear_all(db: Session, *, preserve_integration_telemetry: bool = False) -> None:
     for model in (
+        RevokedSession,
         OutboxEvent,
         IdempotencyRecord,
         DataQualityIssue,