Update initializer.py to use explicit Hub filenames

models/initializer.py

@@ -29,14 +29,14 @@ def download_llm() -> str:
     """
     local_model_path = hf_hub_download(
         repo_id=config.HF_MODEL_HUB,
-        filename=os.path.basename(config.LLM_LOCAL_PATH),
+        filename=config.HF_LLM_FILENAME,
         token=config.HF_TOKEN,
         local_dir=config.LLM_LOCAL_DIR
     )
 
     hf_hub_download(
         repo_id=config.HF_MODEL_HUB,
-        filename=os.path.basename(config.CONFIG_LOCAL_PATH),
+        filename=config.HF_CONFIG_FILENAME,
         token=config.HF_TOKEN,
         local_dir=config.CONFIG_LOCAL_DIR
     )
@@ -49,9 +49,9 @@ def download_reranker() -> str:
     """
     return hf_hub_download(
         repo_id=config.HF_MODEL_HUB,
-        filename=os.path.basename(config.RERANKER_LOCAL_PATH),
+        filename=config.HF_RERANKER_FILENAME,
         token=config.HF_TOKEN,
-        local_dir=os.path.dirname(config.RERANKER_LOCAL_PATH)
+        local_dir=config.RERANKER_LOCAL_DIR
     )
 
 def load_llm(local_model_path: str) -> CustomModel:
@@ -68,7 +68,7 @@ def load_llm(local_model_path: str) -> CustomModel:
         )
     except Exception:
         # Fallback: manual load if file naming is non-standard (e.g., .pth)
-        _config = AutoConfig.from_pretrained(config.LOCAL_CONFIG_DIR)
+        _config = AutoConfig.from_pretrained(config.CONFIG_LOCAL_DIR)
         model = CustomModel(_config)
         state_dict = torch.load(local_model_path, map_location="cpu")
         model.load_state_dict(state_dict)