Difit When to Use This Skill difit opens an external browser UI and starts a long-running local server, so launching it must be explicit opt-in: - Use this skill only when the user explicitly names difit, asks to open or show the diff in a viewer, or has a standing instruction (for example in project docs or agent configuration) to request reviews through difit after code changes. - Do NOT use it for ordinary review requests such as "review these changes", "use the reviewer agent", "find problems in this diff", or "review this PR/commit/branch". Answer those through your normal response chann…