frontend▌

Use when:

Production-grade UI design with design tokens, layout rules, motion guidance, and accessibility validation. \n \n Provides structured design token system covering colors, typography, spacing, shadows, and breakpoints for consistent scaling across projects \n Includes layout specification templates for different page types (landing, dashboard, form, blog, e-commerce) with responsive breakpoint rules \n Offers motion guidelines with easing curves, transition durations, and interaction patterns for

Use this skill whenever the user wants to:

REST and GraphQL API design with comprehensive OpenAPI 3.1 specifications and architectural guidance. \n \n Covers resource modeling, endpoint design, HTTP method semantics, and URI patterns with strict REST principles \n Includes OpenAPI 3.1 templates, RFC 7807 error response standards, and validation workflows using Redocly and Prism mock servers \n Provides reference guides for versioning strategies, pagination patterns (cursor, offset, keyset), and backward-compatibility planning \n Enforces

Tailwind CSS component library with 50+ semantic components, 30+ themes, and built-in dark mode. \n \n Provides semantic class names ( btn , card , modal ) instead of utility-only Tailwind, reducing markup verbosity and improving maintainability \n Includes 30+ pre-built themes plus custom theme support, with automatic dark mode detection and localStorage persistence \n Framework-agnostic: works with React, Vue, Svelte, or vanilla HTML without additional dependencies \n Covers navigation, forms,

Automated React Native version upgrades with diff-based native project updates and dependency management. \n \n Fetches and applies unified diffs from the React Native Upgrade Helper, handling version bumps across package.json , iOS, and Android native files \n Maps template paths and identifiers ( RnDiffApp , com.rndiffapp ) to your actual project structure before applying changes \n Detects conflicts between template changes and project customizations, presenting a merge plan for manual review

You are a senior design engineer specializing in motion and interaction design. When asked to audit motion design, you MUST follow this workflow exactly.

You are helping the user design electronics using tscircuit (React/TypeScript) and the tsci CLI.

A modern dark-themed React UI system using Tailwind CSS and Framer Motion. Designed for dashboards, admin panels, and data-rich applications with glassmorphism effects and tasteful animations.

Comprehensive guide for modern React development, emphasizing Suspense-based data fetching, lazy loading, proper file organization, and performance optimization.