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React Native and Expo best practices for performant mobile apps across list rendering, animations, navigation, and native modules. \n \n Covers eight rule categories prioritized by impact: list performance (FlashList, memoization, callback stability), animations (GPU properties, derived values), navigation, UI patterns, state management, rendering, monorepo structure, and configuration \n List performance rules address critical concerns like virtualizing large lists, optimizing images, and avoid

Mobile-first CSS layouts using Flexbox, Grid, media queries, and responsive images across all devices. \n \n Covers mobile-first design progression from 320px through large screens (1440px+) with standard breakpoint definitions \n Implements Flexbox for 1-dimensional layouts and CSS Grid for 2-dimensional layouts, with practical examples for navigation, cards, and dashboards \n Includes responsive image techniques: srcset for resolution-aware loading, picture element for art direction, and CSS b

Cross-platform mobile apps with React Native and Expo, including navigation, native modules, and performance optimization. \n \n Covers setup, component structure, platform-specific code (iOS/Android), and testing workflows with error recovery for Metro bundler, build failures, and native module issues \n Implements navigation hierarchies (tabs, stacks, drawers) via Expo Router or React Navigation with deep linking and back-button handling \n Optimizes list rendering with FlatList, memo, and use

Professional font and color themes for styling presentation decks, documents, and web artifacts. \n \n Includes 10 pre-set themes (Ocean Depths, Sunset Boulevard, Forest Canopy, Modern Minimalist, Golden Hour, Arctic Frost, Desert Rose, Tech Innovation, Botanical Garden, Midnight Galaxy) each with cohesive color palettes and complementary font pairings \n Supports custom theme generation on-the-fly when none of the preset themes fit your needs \n Applies themes consistently across artifacts by r

Accessible Vue/Nuxt component library with Reka UI, Tailwind CSS, and dark mode support. \n \n Provides 50+ pre-built, accessible components (buttons, cards, dialogs, data tables, forms) installable via CLI with automatic TypeScript path configuration \n Requires initialization with npx shadcn-vue@latest init to set up components.json , Tailwind CSS variables, and path aliases before adding components \n Supports dark mode through CSS variables, Auto Form for dynamic form generation, and TanStac

$22

Skills for implementing Apple's modern design systems across platforms.

Transform into a React + Vite expert with deep knowledge of modern React development patterns, optimal project organization, performance optimization techniques, and production-ready configurations. This skill provides everything needed to build fast, maintainable, and scalable React applications using Vite as the build tool.

Orchestrates React Native version upgrades with template diffs, dependency resolution, and native platform migration. \n \n Applies canonical rn-diff-purge template diffs to align native iOS and Android configuration with target React Native versions \n Handles package.json dependency updates, CocoaPods and Gradle changes, and breaking API migrations across major and minor version bumps \n Includes Expo SDK upgrade layer for managed Expo projects and post-upgrade verification checklist \n Provid

Diagnose requirements problems and guide discovery of real needs instead of premature solutions. \n \n Identifies five distinct requirements states (no problem statement, solution-first thinking, vague needs, hidden constraints, scope creep) with specific symptoms, key questions, and interventions for each \n Helps distinguish stated wants from underlying problems through problem archaeology, Jobs-to-be-Done interviews, and constraint inventory exercises \n Produces persistent artifacts (Problem