fix:minor

inference.py

@@ -46,14 +46,14 @@ def setup_openai_client() -> tuple[OpenAI, str]:
 
     api_base_url = os.getenv("API_BASE_URL", DEFAULT_API_BASE_URL)
     model_name = os.getenv("MODEL_NAME", DEFAULT_MODEL_NAME)
-    hf_token = os.getenv("HF_TOKEN")
+    hf_token = os.getenv("HF_TOKEN") or os.getenv("HUGGINGFACEHUB_API_TOKEN")
 
     print(f"DEBUG: API_BASE_URL={api_base_url}")
     print(f"DEBUG: MODEL_NAME={model_name}")
     logger.info("HF OpenAI-compatible client: API_BASE_URL=%s MODEL_NAME=%s", api_base_url, model_name)
 
     if not hf_token:
-        raise ValueError("HF_TOKEN environment variable is required")
+        raise ValueError("Set HF_TOKEN or HUGGINGFACEHUB_API_TOKEN for Hugging Face API access")
 
     client = OpenAI(
         api_key=hf_token,