fix config

backend/config.py

@@ -16,3 +16,12 @@ MODEL_TYPE_TO_EMOJI = {
     "chat": "💬",
     "instruct": "🧠",
 }
+
+# Optional token (read-only)
+hf_api_token = os.getenv("HF_TOKEN")
+
+# SAFE: API always exists
+API = HfApi(token=hf_api_token) if hf_api_token else HfApi()
+
+# SAFE: always defined
+SLACK_WEBHOOK_URL = None