Next.js is a React framework for building full-stack web applications. It provides file-system based routing, Server Components, automatic code splitting, image optimization, and built-in performance optimizations. Next.js supports both static site generation (SSG) and server-side rendering (SSR), making it ideal for building modern web applications. The skill is based on Next.js v16.2.0-canary.16, generated at 2026-01-30. Core References | Topic | Description | Reference | |-------|-------------|-----------| | File-System Routing | Routes defined by folder structure, layouts, and pages | cor…