React conventions. Apply automatically whenever writing or editing React code — JSX/TSX files, components, hooks, props, effects, accessibility (WAI-ARIA), file grouping, React 19 APIs, React Compiler, URL state, and the React ecosystem (TanStack Query, Zustand, React Hook Form, nuqs, Next.js, money and crypto inputs). Builds on the typescript skill, which still applies. Use for any new React code or refactor.
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Manages shadcn components and projects — adding, searching, fixing, debugging, styling, and composing UI, including chat interfaces. Provides project context, component docs, and usage examples. Applies when working with shadcn/ui, component registries, presets, --preset codes, or any project with a components.json file. Also triggers for "shadcn init", "create an app with --preset", or "switch to --preset".
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Rewrite and check technical writing to follow Simplified Technical English (ASD-STE100). Use when asked to simplify docs, rewrite in STE / plain technical English, write clear procedures or warnings, or flag hard-to-read or ambiguous technical text for a global / non-native audience.
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Build scalable design systems with Tailwind CSS v4, design tokens, component libraries, and responsive patterns. Use when creating component libraries, implementing design systems, or standardizing UI patterns.
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TypeScript/JavaScript conventions. Apply automatically whenever writing or editing JavaScript, TypeScript, JSX, or TSX code (.js/.jsx/.ts/.tsx) — functions, types, type safety, immutability, error handling, comments, file size, exports, naming, and library conventions for dates and data handling (ts-belt, ts-pattern). Use for any new code or refactor in these languages. For React-specific rules (components, hooks, JSX, TanStack Query, Zustand, React Hook Form), also apply the react skill.
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