Update src/config.py

src/config.py

@@ -19,8 +19,8 @@ PRICE_MODEL_PATH = MODEL_DIR / "price_model.pkl"
 PREPROCESSOR_PATH = MODEL_DIR / "preprocessor.pkl"
 MODEL_METADATA_PATH = MODEL_DIR / "model_metadata.json"
 
-LLM_API_KEY = os.getenv("LLM_API_KEY", "")
-LLM_MODEL = os.getenv("LLM_MODEL", "gpt-4o-mini")
+LLM_API_KEY = os.getenv("LLM_API_KEY") or os.getenv("OPENAI_API_KEY") or ""
+LLM_MODEL = os.getenv("LLM_MODEL") or os.getenv("OPENAI_MODEL") or "gpt-4o-mini"
 LLM_API_BASE = os.getenv("LLM_API_BASE", "https://api.openai.com/v1/chat/completions")
 USE_LLM = os.getenv("USE_LLM", "false").strip().lower() in {"1", "true", "yes"}
 LLM_PROMPT_VERSION = os.getenv("LLM_PROMPT_VERSION", "structured").strip().lower()