update: uploads

backend/main.py

@@ -1,8 +1,10 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
+import threading
 
-from backend.database import Base, engine
+from backend.database import Base, engine, SessionLocal
 from backend.routers import auth, categories, exports, imports, practice, questions, stats
+from backend.services.import_queue_service import reset_stale_running_jobs, run_worker_loop
 
 app = FastAPI(title="Problem Bank API", version="1.0.0")
 
@@ -16,6 +18,17 @@ app.add_middleware(
 
 Base.metadata.create_all(bind=engine)
 
+
+@app.on_event("startup")
+def startup() -> None:
+    db = SessionLocal()
+    try:
+        reset_stale_running_jobs(db)
+    finally:
+        db.close()
+    thread = threading.Thread(target=run_worker_loop, daemon=True)
+    thread.start()
+
 app.include_router(auth.router, prefix="/api/auth", tags=["auth"])
 app.include_router(questions.router, prefix="/api/questions", tags=["questions"])
 app.include_router(imports.router, prefix="/api/import", tags=["imports"])