Skip wandb artifact for large models (uploaded to HF instead)

lerobot/src/lerobot/rl/wandb_utils.py

@@ -145,7 +145,10 @@ class WandBLogger:
             if config_file.exists():
                 artifact.add_file(config_file)
         elif standard_model_file.exists():
-            # Standard model: add the single safetensors file
+            # Skip large model files (>1GB) - checkpoints are uploaded to HF instead
+            if standard_model_file.stat().st_size > 1e9:
+                logging.info(f"Skipping WandB artifact for large model ({standard_model_file.stat().st_size / 1e9:.1f}GB)")
+                return
             artifact.add_file(standard_model_file)
         else:
             logging.warning(