M21: add optional organisation identity

backend/app/services/integration_status.py

@@ -107,9 +107,7 @@ def derive_n8n_status(db: Session) -> N8nIntegrationStatus:
     # procedures_sync_result), the same "the workflow's own callback is the evidence"
     # pattern the scheduled scan and error handler already use below.
     latest_procedure_sync_at = db.scalar(
-        select(func.max(AuditEvent.occurred_at)).where(
-            AuditEvent.action == "n8n_procedures_synced"
-        )
+        select(func.max(AuditEvent.occurred_at)).where(AuditEvent.action == "n8n_procedures_synced")
     )
 
     # Error handler evidence: registrations posted by the "Fleet Ops — Workflow Error
@@ -240,9 +238,7 @@ def derive_mcp_hub_status(db: Session) -> McpHubIntegrationStatus:
     `MCP_HUB_REGISTRATION_ENABLED` flag flipped on. Every `mcp_tool_request` call
     already writes an `AuditEvent` (see `app/api/routers/mcp_integrations.py`)."""
     total_calls = (
-        db.scalar(
-            select(func.count(AuditEvent.id)).where(AuditEvent.action == "mcp_tool_request")
-        )
+        db.scalar(select(func.count(AuditEvent.id)).where(AuditEvent.action == "mcp_tool_request"))
         or 0
     )
     latest_call_row = db.execute(