design-eng-skills

End-to-end frontend design engineering workflow for improving React, Next.js, Vite, docs sites, dashboards, component systems, product websites, and studio-style apps. Use when the user asks to make UI/UX/design/frontend/website/docs/app screens more polished, curated, premium, usable, production-grade, responsive, animated, or visually consistent; when editing TSX/JSX/CSS/Tailwind/Fumadocs/shadcn/Radix/lucide interfaces; when choosing design-engineering tools or inspiration resources; or when adding loaders, icons, empty/loading/error states, motion, interaction details, and visual QA.