Fix: Add ?download=true to HF URLs for direct download

modules/shared/services/hf_storage.py

@@ -112,8 +112,8 @@ class HFStorageClient:
                 repo_type="dataset"
             )
             
-            # Generate public URL
-            public_url = f"https://huggingface.co/datasets/{self.repo_id}/resolve/main/{path_in_repo}"
+            # Generate download URL (with ?download=true for direct download)
+            public_url = f"https://huggingface.co/datasets/{self.repo_id}/resolve/main/{path_in_repo}?download=true"
             
             logger.info(f"Uploaded to HF: {public_url}")
             return public_url