Spec Loop Review Change

Use this optional skill for work that is already implemented, not for planning or executing new work.

If trust, the exact change to review, or the comparison range is unclear, stop and ask before fetching GitHub, GitLab, or Git data.

Read review-core-guidance.md first.

Then choose the review mode and evidence source together, and load only the needed guidance files. Load both mode files only when the user wants both outputs: