--- name: nextjs-app-router-patterns description: Master Next.js 14+ App Router with Server Components, streaming, parallel routes, and advanced data fetching. Use when building Next.js applications, implementing SSR/SSG, or optimizing React Server Components. --- # Next.js App Router Patterns Comprehensive patterns for Next.js 14+ App Router architecture, Server Components, and modern full-stack React development. ## Use this skill when - Building new Next.js applications with App Router - Migrating from Pages Router to App Router - Implementing Server Components and streaming - Setting up parallel and intercepting routes - Optimizing data fetching and caching - Building full-stack features with Server Actions ## Do not use this skill when - The task is unrelated to next.js app router patterns - You need a different domain or tool outside this scope ## Instructions - Clarify goals, constraints, and required inputs. - Apply relevant best practices and validate outcomes. - Provide actionable steps and verification. - If detailed examples are required, open `resources/implementation-playbook.md`. ## Resources - `resources/implementation-playbook.md` for detailed patterns and examples.