model changed

inference.py

@@ -20,7 +20,7 @@ from typing import List, Optional
 
 # ── Config ────────────────────────────────────────────────────────────────────
 API_BASE_URL = os.environ.get("API_BASE_URL", "https://api.openai.com/v1")
-MODEL_NAME   = os.environ.get("MODEL_NAME",   "gpt-4o-mini")
+MODEL_NAME   = os.environ.get("MODEL_NAME",   "llama-3.1-8b-instant")
 HF_TOKEN     = os.environ.get("HF_TOKEN",     "")
 ENV_URL      = os.environ.get("ENV_URL",      "http://localhost:7860")
 BENCHMARK    = "code-debug-env"