Updates notes/changelog.md based on git history. Use when user says "update changelog", "changelog entry", "release version", "release X.Y.Z", or runs /update-changelog.
Reviews code changes with concrete feedback. Use when user says "review code", "review changes", "what changed", "review pull request", "review PR", "review the pr", "review this pr", "review [name]'s pr", "review new pr", "review latest pr", "let's review", "code review", "code review?", "review https://github.com/.../pull/123", or runs /manual-review. ALSO trigger when user has just been exploring a PR/diff and asks for review, feedback, or opinions — even without the exact word "review". Also trigger when user mentions a PR by number or URL with intent to understand it — e.g. "walk me through PR <n>", "explain PR <n>", "show me PR <n>", "what's in PR <n>", "go over PR <n>", "break down PR <n>".
Validates branch/PR is ready for merge with step-by-step checklist. Use when user mentions readiness, merge validation, or pre-merge checks — any variation of "ready to merge", "is this ready", "make sure it's ready", "check readiness", "confirm merge/pr", "merge checklist", "can I merge", "validate before merge", or similar intent around verifying a branch or PR is mergeable.
Updates CLAUDE.md and other project docs based on recent changes. Use when user says "update docs", "add to CLAUDE.md", "document this", or runs /update-docs command.