cosette responses api fix

[KeremTurgutlu]

This PR fixes the removal of contents() in cosette which was changed in this cosette commit in favor of OpenAI Responses API.

(aai) ~/aai_git/aai_repos_extra/shell_sage (cosette-contents-fix ✔) ssage --provide openai --model gpt-4o-mini "hello what model empowers shellsage right now?"
Hello! ShellSage is powered by OpenAI's language models. However, I don't have access to my exact model name. My purpose is to assist you with shell commands and system administration. 
How can I help you today?                 

[gitnotebooks]

Found 1 changed notebook. Review the changes at https://app.gitnotebooks.com/AnswerDotAI/shell_sage/pull/52

[ncoop57]

lgtm, thanks @KeremTurgutlu !