Authors the design specification for an approved PRD (information architecture, user flows, a screen inventory, and per-screen state and interaction specs), reusing the project's existing component library first and tracing every screen back to a PRD requirement ID. Lean by default: one design-spec.md, full specs for only the 2-3 most critical screens, WCAG 2.2 AA delegated to review-design. Use for "write a design spec", "map the user flows", "screen inventory with states", or "IA and screen states for this feature". Writes no UI code. Not for a UX critique of an existing UI (use review-design), the visual token system (use product-design-tokens), or rendering mockups an…
