Fix: still startup status

server.py

@@ -18,6 +18,7 @@ app = FastAPI()
 executor = ThreadPoolExecutor(max_workers=MAX_WORKERS)
 tasks = {}
 tasks_lock = threading.Lock()
+print(f"[INFO] server startup: max_workers={MAX_WORKERS}")
 
 
 def require_api_key(x_api_key: str | None):
@@ -65,6 +66,11 @@ def health():
     }
 
 
+@app.get("/")
+def root():
+    return {"status": "ok"}
+
+
 @app.post("/task/create_account")
 def create_account(x_api_key: str | None = Header(default=None)):
     require_api_key(x_api_key)