Show Diff

Open a new tmux pane that displays current changes via diffview.nvim, 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