update

backend/main.py

@@ -9,6 +9,8 @@ from logsetup import setup_logging
 setup_logging()
 
 from config import FRONTEND_DIST, STORAGE_DIR
+import agents
+import database
 from database import init_db, close_db
 from guide import reconcile_guides
 from routes import router
@@ -18,6 +20,7 @@ from routes import router
 async def lifespan(app: FastAPI):
     (STORAGE_DIR / "topics").mkdir(parents=True, exist_ok=True)
     await init_db()
+    agents.on_event = database.add_event  # pipeline history sink (agents.py stays DB-free)
     await reconcile_guides()
     yield
     await close_db()