fix: enforce 'request' parameter requirement in require_auth decorator

Author: foreleven

backend/app/gateway/authz.py

@@ -171,7 +171,7 @@ async def wrapper(*args: Any, **kwargs: Any) -> Any:
             if "request" in inspect.signature(func).parameters:
                 kwargs["request"] = _make_test_request_stub()
             else:
-                return await func(*args, **kwargs)
+                raise ValueError("require_auth decorator requires 'request' parameter")
             request = kwargs["request"]
 
         if getattr(request, "_deerflow_test_bypass_auth", False):