UX bug - able to copy responses

This may be a personal preference but I think a lot of the times users would parse the output of the response given in the batch.jsonl. I wish I could copy this text quickly with a copy button (like we have in the API example modal)

<img width="1011" height="777" alt="Image" src="https://github.com/user-attachments/assets/5b221b6a-e19f-4638-8d57-a2e5796f16cd" />