Show Diff Open a new tmux pane that displays current changes via , so the user can review in a side-by-side viewer instead of scrolling terminal output. When to use - After making more than a handful of edits, surface them for review - User asks to see the diff, open a diff viewer, or review the changes - Before asking the user to approve committing a larger change Skip when edits are tiny, when not inside tmux, or when the user has already reviewed the changes in this turn. How to run The script opens a right-hand split running rooted at the repo top-level. Choosing the rev-range Shortcuts t…