Use when adding or changing UI, forms, or interactive elements.
Use when adding or changing API routes under `app/api/*`.
Use when asked to craft commit messages or PR titles.
Use when changing debate history, localStorage, or timing logic (e.g., `app/page.tsx`).
Use when making TypeScript or ESLint-sensitive changes in `app/`, `components/`, or `lib/`.
Use when editing UI in `app/` or `components/` (layout, Tailwind classes, styling, or view logic).
Use when adding config, credentials, external services, or environment variables.
Use when behavior or API changes require updating documentation or specs.