feat(workbench): persist topbar notification state

server/src/app/models/__init__.py

@@ -16,6 +16,7 @@ from app.models.financial_record import (
 )
 from app.models.hermes_config import HermesTaskConfig, HermesTaskExecutionLog
 from app.models.hermes_report import HermesRiskReport
+from app.models.notification_state import NotificationState
 from app.models.organization import OrganizationUnit
 from app.models.reimbursement import ReimbursementRequest
 from app.models.risk_observation import RiskObservation, RiskObservationFeedback
@@ -51,6 +52,7 @@ __all__ = [
     "HermesTaskConfig",
     "HermesTaskExecutionLog",
     "HermesRiskReport",
+    "NotificationState",
     "OrganizationUnit",
     "ReimbursementRequest",
     "RiskObservation",