Trace user-facing button touchpoints through state sequences to uncover silent UI and state-reset bugs.

Apply React and Next.js design patterns for component composition, state, performance, and forms.

Follow best practices for HarmonyOS app development using ArkTS and ArkUI components, state management, and layouts.

Store and read project-specific plugin settings and state using structured markdown files with YAML frontmatter.

Build production-ready React Native and Expo apps with structured navigation, state separation, and data fetching patterns.

Idiomatic React 18/19 patterns covering hooks discipline, server/client boundaries, and state location.

React composition patterns and architecture rules for building scalable component libraries.

Build Vue 3 components, configure Nuxt 3 projects, set up Pinia stores, and optimize Vite builds.

Guide Vue.js 3 development with Composition API patterns, component architecture, and reactivity best practices.