v3: --upload-tag for per-run weight naming

train_yolo.py

@@ -22,6 +22,9 @@ parse.add_argument("--upload-model-repo", default=None,
 parse.add_argument("--trackio-space-id", default=None,
                    help="trackio space id; enables per-epoch metric logging")
 parse.add_argument("--trackio-project", default="yolo-poker-cards-ft")
+parse.add_argument("--upload-tag", default="",
+                   help="suffix for uploaded weight names, e.g. 'mixed' -> "
+                        "best_mixed.pt (avoids overwriting prior runs)")
 args = parse.parse_args()
 
 if args.trackio_space_id:
@@ -81,15 +84,16 @@ except Exception as e:
 if args.upload_model_repo:
     from huggingface_hub import HfApi
     api = HfApi()
+    tag = args.upload_tag
     api.upload_file(
         path_or_fileobj=os.path.join(results_dir, "weights", "best.pt"),
-        path_in_repo="best.pt",
+        path_in_repo=f"best{'_' + tag if tag else ''}.pt",
         repo_id=args.upload_model_repo,
         repo_type="model",
     )
     api.upload_file(
         path_or_fileobj=os.path.join(results_dir, "weights", "last.pt"),
-        path_in_repo="last.pt",
+        path_in_repo=f"last{'_' + tag if tag else ''}.pt",
         repo_id=args.upload_model_repo,
         repo_type="model",
     )