Zustand

How to design and build modern, premium-quality frontend interfaces that look like high-end SaaS products, modern AI tools, and award-winning design websites — not generic templates. Use this skill whenever the user asks to build a frontend, create a landing page, design a dashboard, scaffold a web app UI, build a SaaS interface, create a portfolio site, or produce any user-facing web interface. Also use when the user says "make it look modern", "build me a beautiful UI", "create a homepage", "design a pricing page", "add animations", "make it cinematic", "add liquid glass", "add scroll animations", "use 2026 design trends", or mentions frontend design, UI/UX, component architecture, motion design, hero sections, responsive layouts, or CSS animation.

Scaffolds new React projects or restructures monoliths to component-based architecture. Use when setting up frontend structure.

shadcn/ui component integration for Inertia Rails React (NOT Next.js): forms, dialogs, tables, toasts, dark mode, command palette, and more. Use when building UI with shadcn/ui components in an Inertia app or adapting shadcn examples from Next.js. NEVER react-hook-form/zod — wire shadcn inputs to Inertia Form via name attribute. Flash toasts require Rails flash_keys initializer config.

Modern React development with hooks, component patterns, state management, and performance optimization for building scalable applications

Builds performant animations and gesture-driven interactions in React Native (Expo) apps using React Native Reanimated v4 and React Native Gesture Handler (GestureDetector / hook API). Use when implementing UI motion, transitions, layout/entering/exiting animations, CSS-style transitions/animations, interactive gestures (pan/pinch/swipe/drag), scroll-linked animations, worklets/shared values, or debugging animation performance and threading issues.

Creates comprehensive Magento 2 frontend solutions. Use when developing frontend features, working with layout XML, templates, JavaScript, or responsive design. Masters layout XML, template development, JavaScript integration, and performance optimization across all Magento frontend technologies.