rlhf-book

Start or verify live preview for RLHF Book course lecture slides without breaking relative image assets. Use when serving, opening, checking, or debugging `teach/course/lec*.md` slides.

Plan, run, and report a small RLHF Book code experiment.

Validate changes before PR submission

Get feedback from Gemini API on a diagram image for textbook quality review.

Create a new PR or push commits to an existing PR for the current branch.

Update the body of a GitHub pull request. Use when the user asks to update, edit, or modify a PR description/body.