Update ML Intern artifact metadata

README.md

@@ -69,3 +69,11 @@ model = AutoModelForImageTextToText.from_pretrained(model_id, torch_dtype="auto"
 ```
 
 For text-only negotiation use, call the processor/tokenizer with chat-template messages as done in `train_negotiation_sdpo.py` included in this repository.
+
+<!-- ml-intern-provenance -->
+## Generated by ML Intern
+
+This model repository was generated by [ML Intern](https://github.com/huggingface/ml-intern), an agent for machine learning research and development on the Hugging Face Hub.
+
+- Try ML Intern: https://smolagents-ml-intern.hf.space
+- Source code: https://github.com/huggingface/ml-intern