F2: persist native job projections and expose task controls

backend/app.py

@@ -49,6 +49,7 @@ from starlette.exceptions import HTTPException as StarletteHTTPException
 
 from routes import (
     assistants,
+    background_tasks,
     auth,
     conversations,
     health,
@@ -80,6 +81,8 @@ async def lifespan(_app: FastAPI):
     await recover_interrupted_webhooks()
     await recover_interrupted_test_runs()
     await recover_interrupted_responses()
+    from services.background_tasks.service import task_service
+    await task_service.start()
     analysis_worker = asyncio.create_task(
         run_analysis_worker(), name="post-call-analysis-worker"
     )
@@ -89,6 +92,7 @@ async def lifespan(_app: FastAPI):
     try:
         yield
     finally:
+        await task_service.close()
         analysis_worker.cancel()
         webhook_worker.cancel()
         await asyncio.gather(
@@ -193,6 +197,7 @@ app.include_router(test_cases.router)
 app.include_router(test_assets.router)
 app.include_router(test_runs.router)
 app.include_router(tools.router)
+app.include_router(background_tasks.router)
 app.include_router(voice_webrtc.router)
 app.include_router(voice_ws.router)