Focused static review for JavaScript, TypeScript, React, Next.js, and browser extension changes.
Review JavaScript, TypeScript, React, Next.js, and browser extension changes. Use when building, editing, debugging, or reviewing JS/TS frontend, Node, React component, Next.js app/router, or browser extension files for runtime bugs, type/lint/test/build failures, security issues, unsafe DOM access, async races, invalid React state usage, broken imports, unreachable code, and browser compatibility problems.
