id: force-dynamic-layout
language: Tsx
severity: error
message: "layout file accesses request context but is missing `export const dynamic = 'force-dynamic'`"
files:
  - 'web/app/**/layout.tsx'
ignores:
  - 'web/app/layout.tsx'
rule:
  all:
    - kind: program
    - has:
        stopBy: end
        any:
          - pattern: 'headers()'
          - pattern: 'cookies()'
          - pattern: 'getCurrentUser($$$)'
    - not:
        has:
          # No stopBy:end — only check direct children of program so that a
          # 'use client' string nested inside a function body does not exempt
          # the layout. Top-level directives and exports are direct children.
          any:
            - kind: expression_statement
              has:
                any:
                  - pattern: "'use client'"
                  - pattern: '"use client"'
            - pattern: "export const dynamic = 'force-dynamic'"
examples:
  - code: |
      import { headers } from 'next/headers'
      export const dynamic = 'force-dynamic'
      export default function Layout({ children }) { return <div>{children}</div> }
    isValid: true
    file: 'web/app/dashboard/layout.tsx'
  - code: |
      import { headers } from 'next/headers'
      export default function Layout({ children }) {
        const h = headers()
        return <div>{children}</div>
      }
    isValid: false
    file: 'web/app/dashboard/layout.tsx'
  - code: |
      export default function Layout({ children }) { return <div>{children}</div> }
    isValid: true
    file: 'web/app/dashboard/layout.tsx'
  - code: |
      'use client'
      import { headers } from 'next/headers'
      export default function Layout({ children }) {
        const h = headers()
        return <div>{children}</div>
      }
    isValid: true
    file: 'web/app/dashboard/layout.tsx'