See /Users/henry/hermes-wiki/concepts/react-nextjs-app-router.md for full content.
Trigger
Queen is building a Next.js App Router app and needs server/client boundaries, data fetching, Server Actions, streaming, or shadcn/ui.
See /Users/henry/hermes-wiki/concepts/react-nextjs-app-router.md for the full wiki concept.
Full description
Build Next.js App Router apps: server vs client components, data fetching patterns, Server Actions, streaming, or shadcn/ui integration.
Pointer
Wiki: /Users/henry/hermes-wiki/concepts/react-nextjs-app-router.md
Sourced from: vercel/next.js; reactjs/react.dev; shadcn-ui/ui
Promotion criteria
Per skill-write-policy: this stub stays until the same workflow succeeds in 2+ real tasks. Then expand stub to full SKILL.md with numbered steps, copy-paste commands, and verification.