fix(e7): CI-Gate-Vorbereitung — ruff über app/ von 105 auf 0 Findings bereinigt; 8 echte F821-NameError-Produktionsbugs behoben (external_api stream_chat-Call-Signatur an stream_chat_comm angepasst, agent_runner uuid vor lokalem Import, automation/plugin UserTenant-Import, tasks delete-audit user_id, workflows/engine timedelta, unified_search/contracts Any); py311-kompatibles StepHandler-Alias statt type-Statement; E402/F841 bereinigt; Verifikation 85/89 grün (4 Failures = bekannter Vorbestand BUG-099)

app/plugins/builtins/ai_assistant/external_api.py

@@ -22,6 +22,7 @@ from app.plugins.builtins.ai_assistant.schemas import (
     ExternalAgentRequest,
     ExternalAgentResponse,
 )
+from app.plugins.builtins.ai_assistant.services import stream_chat_comm as stream_chat
 
 logger = logging.getLogger(__name__)
 
@@ -120,13 +121,18 @@ async def run_agent_external(
     }
 
     # Run the agent via streaming chat (non-streaming mode)
-    from app.plugins.builtins.ai_assistant.services import stream_chat_comm
 
     full_response = ""
     async with get_db() as stream_db:
         await set_tenant_context(stream_db, tenant_id)
         async for chunk in stream_chat(
-            stream_db, session, agent, data.message, user_context, tenant_id
+            stream_db,
+            session.id,
+            agent,
+            data.message,
+            user_context,
+            tenant_id,
+            uuid.UUID(current_user["user_id"]),
         ):
             if chunk.startswith("data: ") and chunk != "data: [DONE]\n\n":
                 try: