Upload backend/main.py with huggingface_hub

backend/main.py

@@ -192,7 +192,8 @@ async def startup_event():
                             "alert_threshold": 0.05
                         })
     
-    # Initialize versioning system with current models
+    # Initialize versioning system - default models already loaded in constructor
+    # Additional models can be registered here if needed
     model_versions = [
         {"model_id": "bio_clinical_bert", "version": "1.0.0", "source": "HuggingFace"},
         {"model_id": "biogpt", "version": "1.0.0", "source": "HuggingFace"},
@@ -202,10 +203,13 @@ async def startup_event():
         {"model_id": "medgemma_2b", "version": "1.0.0", "source": "HuggingFace"}
     ]
     
+    # Register additional models using the correct method
     for model_config in model_versions:
-        versioning_system.register_model_version(
+        versioning_system.model_registry.register_model(
             model_id=model_config["model_id"],
             version=model_config["version"],
+            model_name=model_config["model_id"].replace("_", " ").title(),
+            model_path=f"huggingface/{model_config['model_id']}",
             metadata={"source": model_config["source"]}
         )