Inconsitent AI credit values between fork sessions and established limits

[fmigneault]

🏷️ Discussion Type

Bug

💬 Feature/Topic Area

Copilot in GitHub

Body

When using a /fork session with a /limits configured, the model / harnest seems really confused about the values. It reports the previously set limit of 1000, and a ratio of it applied within the current fork. However, trying to increase its limit to e.g. 1200 so it can resume work reports the AI credit values employed in the combined/original session.

This makes it very odd for a user to set correct limits since we don't really have a clear idea of what was already included in the original session vs only the new portion from the fork (as indicated by the (partial)). Because in this case I have to set something like 3000 relative to the overall value, I have no guarantee that the harness might not suddenly start to consider 920.75 / 3000, which is much more than the few extra AI credits I want to allow.

[github-actions[bot]]

💬 Your Product Feedback Has Been Submitted 🎉

Thank you for taking the time to share your insights with us! Your feedback is invaluable as we build a better GitHub experience for all our users.

Here's what you can expect moving forward ⏩

• Your input will be carefully reviewed and cataloged by members of our product teams. 
  • Due to the high volume of submissions, we may not always be able to provide individual responses.
  • Rest assured, your feedback will help chart our course for product improvements.
• Other users may engage with your post, sharing their own perspectives or experiences. 
• GitHub staff may reach out for further clarification or insight. 
  • We may 'Answer' your discussion if there is a current solution, workaround, or roadmap/changelog post related to the feedback.

Where to look to see what's shipping 👀

• Read the Changelog for real-time updates on the latest GitHub features, enhancements, and calls for feedback.
• Explore our Product Roadmap, which details upcoming major releases and initiatives.

What you can do in the meantime 💻

• Upvote and comment on other user feedback Discussions that resonate with you.
• Add more information at any point! Useful details include: use cases, relevant labels, desired outcomes, and any accompanying screenshots.

As a member of the GitHub community, your participation is essential. While we can't promise that every suggestion will be implemented, we want to emphasize that your feedback is instrumental in guiding our decisions and priorities.

Thank you once again for your contribution to making GitHub even better! We're grateful for your ongoing support and collaboration in shaping the future of our platform. ⭐