Apply Next.js App Router best practices - file conventions, React Server Components, async APIs (Next.js 15+), data fetching patterns, metadata, image/font optimization, error handling, route handlers, bundling, and self-hosting. Use when writing or reviewing Next.js code, building full-stack React
Apply Next.js App Router best practices - file conventions, React Server Components, async APIs (Next.js 15+), data fetching patterns, metadata, image/font optimization, error handling, route handlers, bundling, and self-hosting. Use when writing or reviewing Next.js code, building full-stack React apps, or migrating from the Pages Router.