frontend▌

Comprehensive Vue.js testing guidance covering unit, component, and end-to-end testing strategies. \n \n Addresses 11 common testing challenges including async handling, composable testing, Pinia store setup, Suspense components, and Teleport queries \n Recommends Vitest for unit and component testing infrastructure, with Playwright as the preferred E2E framework \n Covers black-box component testing patterns to prevent brittle tests during refactoring, async/await patterns to eliminate race con

Full-stack React development with file-based routing, server/client rendering, data loading, and type-safe route modules. \n \n Supports file-based routing with nested routes, dynamic segments, and multiple rendering strategies (SSR, SPA, pre-rendering) \n Handles data loading via loader / clientLoader and mutations via action / clientAction with built-in form handling and optimistic UI \n Includes 10+ reference guides covering routing, data loading, actions, navigation, error boundaries, authen

React hooks and components library for async state, reactive watching, lifecycle management, and error handling. \n \n Includes async hooks for state management and callbacks, watch hooks for reactive value tracking, and lifecycle utilities for component mounting \n Provides conditional rendering components (If/Else, Switch/Case) and error-safe hooks with built-in fallback behavior \n Offers advanced features: cross-component event bus, offset-based pagination, and fetch request/response interce

Build and deploy applications on the inference.sh platform. Apps can be written in Python or Node.js.

Project-specific architecture, code patterns, and deployment guidelines for Zenith application. \n \n Next.js 15 frontend with FastAPI backend, Supabase PostgreSQL database, and Claude API integration via structured output \n Includes standardized API response formats, custom React hooks, and Pydantic models for type safety across stack \n Testing requirements: pytest with 80% coverage minimum for backend, React Testing Library for frontend, Playwright for E2E \n Deployment via Google Cloud Run

Create distinctive, production-grade frontend interfaces that avoid generic "AI slop" aesthetics. Implement real working code with exceptional attention to aesthetic details and creative choices. Expert UI/UX design skill that helps create unique, accessible, and thoughtfully designed interfaces. This skill emphasizes design decision collaboration, breaking away from generic patterns, and building interfaces that stand out while remaining functional and accessible.

Smart contract development advisor applying Trail of Bits' security and design guidelines to analyze codebases systematically. \n \n Performs five-phase analysis covering documentation generation, architecture review, upgradeability assessment, implementation quality checks, and dependency evaluation \n Assesses 11 comprehensive areas including function composition, inheritance patterns, event logging, common pitfalls, proxy security, and testing coverage \n Generates plain English system descri

Add a new language to a Next.js application using next-intl internationalization. \n \n Requires translating all entries from en.json in the ./messages directory to the new language \n Update routing configuration in src/i18n/routing.ts and middleware in src/middleware.ts to recognize the new language \n Register the language in the language toggle component at src/components/language-toggle.tsx \n

Transform text-heavy slides into visual storytelling. Suggest layout improvements, icon usage, and data visualization.

tsx runs TypeScript + JSX files directly via Node with no config — no tsconfig.json needed. It uses esbuild under the hood and handles JSX transformation automatically.