scaffold

Trigger: architecture change, new convention, UI/UX standard, quality gate change, ADR. Keep existing project docs in sync with structural decisions.

Trigger: done, complete, finish, before commit, quality check, verify. Run the project's own minimum quality scripts before claiming work is complete.

Trigger: UI change, layout, component architecture, state flow, theming, server/client boundary, Astro island. Keep Next.js or Astro apps server-first.

Trigger: components/ui, shadcn, component placement, common components, feature components, atomic design. Enforce registry and product component boundaries.