react-change-review

Review recent React, Next.js, or TypeScript UI code changes for hardening before merge or commit. Use when asked to review recent React code changes, audit a React diff, harden a feature, check a PR or branch for React issues, or produce a stack-ranked list of nonredundant findings and a recommended fix plan using react-doctor, Vercel React best practices, Vercel composition patterns, and React useEffect guidance.