frontend▌

React Three Fiber (R3F) is a React renderer for Three.js. Write declarative, component-based 3D scenes using JSX.

../../../marketing-skill/marketing-demand-acquisition/SKILL.md

Use this skill: When designing engaging levels, pacing gameplay, or creating environmental narratives.

Modern frontend patterns for React, Next.js, and performant user interfaces.

Comprehensive UX/UI design guide for Chrome Extensions, optimized for Manifest V3. Contains 42 rules across 8 categories, prioritized by impact to guide extension UI development and code review.

Accessibility patterns for building inclusive React applications following WCAG standards. Contains 7 rules across 4 categories focused on semantic HTML, screen reader support, keyboard navigation, and user preferences.

React Email renderer that converts JSON specs into HTML or plain-text email output.

Design robust, scalable APIs using proven patterns for REST, GraphQL, and gRPC with proper versioning, authentication, and error handling.

Philosophy: Every pixel has purpose. Restraint is luxury. User psychology drives decisions. Core Principle: THINK, don't memorize. ASK, don't assume.

Provides authentication implementation patterns for Next.js 15+ App Router using Auth.js 5 (NextAuth.js), covering the complete authentication lifecycle from initial setup to production-ready role-based access control implementations.