M39: harden application and acceptance gates

backend/app/seed_loader.py

@@ -19,7 +19,6 @@ 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
@@ -92,8 +91,9 @@ _PERSISTENT_TELEMETRY_ACTIONS = (
 
 
 def clear_all(db: Session, *, preserve_integration_telemetry: bool = False) -> None:
+    # RevokedSession is intentionally NOT cleared: it has no FK to users and wiping it
+    # would silently re-validate cookies that were logged out before the reset.
     for model in (
-        RevokedSession,
         OutboxEvent,
         IdempotencyRecord,
         DataQualityIssue,