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Type-safe React 18–19 patterns with compile-time guarantees for components, hooks, events, and routing. \n \n Covers React 19 breaking changes: ref as prop (no forwardRef), useActionState for forms, use() for promise unwrapping, and Server Components with async data fetching \n Specific event typing (MouseEvent, ChangeEvent, KeyboardEvent, etc.) and discriminated unions for variant props eliminate runtime surprises \n Generic component patterns with constrained types for reusable Tables, Lists,

Production-ready Tailwind CSS patterns for responsive layouts, cards, forms, buttons, and navigation. \n \n Includes semantic color tokens for automatic light/dark mode support, eliminating raw color usage that breaks themes \n Covers mobile-first responsive design with six breakpoints (base, sm, md, lg, xl, 2xl) and consistent spacing scale (4, 6, 8, 12, 16, 24) \n Provides ready-to-use component patterns for headers, footers, grids, cards, buttons, forms, and typography with hover states and t

Multi-component React artifacts for Claude with Tailwind CSS and shadcn/ui components. \n \n Scaffolds React 18 + TypeScript projects with Vite, pre-configured Tailwind CSS, and 40+ shadcn/ui components ready to use \n Bundles complete artifacts into single self-contained HTML files with all JavaScript, CSS, and dependencies inlined \n Includes design guidance to avoid common \"AI slop\" patterns like excessive centering, purple gradients, and uniform rounded corners \n Supports state management

Next.js App Router development patterns covering server/client components, data fetching, and routing. \n \n Server Components are the default; use Client Components only for interactivity (useState, event handlers, forms) \n Data fetching belongs in Server Components with three caching strategies: static (build-time), ISR (time-based revalidation), and dynamic (no-store) \n File conventions organize routes: page.tsx for UI, layout.tsx for shared structure, loading.tsx and error.tsx for states,

Vue 3 Options API patterns, TypeScript integration strategies, and context-binding gotchas. \n \n Covers TypeScript type safety for component properties, this context, prop validators, event handlers, complex types, provide/inject, and computed return types \n Addresses common method and lifecycle hook pitfalls including arrow function binding issues and stateful method side effects \n Includes references to specific solutions for each pattern, from defineComponent setup to proper event handler

Supabase Auth integration for Next.js App Router with middleware-based session management. \n \n Handles server/client authentication boundaries using @supabase/ssr, protecting routes via middleware and managing cookie-based sessions \n Provides patterns for OAuth callbacks, Server Actions for auth operations, and proper token handling across Server and Client Components \n Includes anti-patterns to avoid: getSession in Server Components, unlistened client auth state, and manual token storage \n

Query, monitor, and expire builds in App Store Connect with asc command-line tools. \n \n Find builds by version, platform, or upload date; inspect processing state and build details with dedicated query commands \n Manage build retention by previewing and applying expiration policies based on age thresholds, with dry-run support \n Publish directly to TestFlight or App Store with end-to-end workflows including optional polling, submission, and confirmation flags \n Distinguish between asc build

Vue Router 4 patterns, navigation guards, and route-lifecycle best practices. \n \n Covers five navigation guard patterns including async/await handling, deprecated next() function migration, and infinite redirect loop prevention \n Addresses route lifecycle gotchas such as stale data when navigating with param changes and event listener cleanup on unmount \n Includes guidance on component instance access in beforeRouteEnter guards and param-change detection across same-route navigation \n Provi

Comprehensive design system with 50+ styles, 97 palettes, and 57 font pairings across 9 technology stacks. \n \n Searchable database organized by priority: accessibility and touch interaction (critical), performance and layout (high), typography and animation (medium), and charts (low) \n Includes design system generation tool that recommends complete patterns, styles, colors, typography, and effects based on product type and industry keywords \n Covers 9 implementation stacks: HTML/Tailwind, Re

Vue Router 4 patterns, navigation guards, and route-lifecycle best practices. \n \n Covers five navigation guard patterns including async/await handling, deprecated next() function migration, infinite redirect loops, and param-change detection \n Addresses route-lifecycle gotchas like stale data when navigating between same routes and event listener cleanup on component unmount \n Includes production SPA setup guidance and component instance access patterns in beforeRouteEnter guards \n