frontend▌

CAAnimation issues manifest as missing completion handlers, wrong timing, or jank under specific conditions. Core principle 90% of CAAnimation problems are CATransaction timing, layer state, or frame rate assumptions, not Core Animation bugs.

This skill provides comprehensive guidelines for authoring content in adev/src/content. It combines Google's technical writing standards with Angular-specific markdown conventions, components, and best practices.

Comprehensive performance optimization guide for React 19/19.2 applications. Contains 41 rules across 8 categories, prioritized by impact from critical (concurrent rendering, server components) to incremental (component patterns).

Build accessible web applications following WCAG guidelines with semantic HTML, ARIA attributes, keyboard navigation, and screen reader support for inclusive user experiences.

Wait for conditions, not arbitrary timeouts. Core principle Flaky tests come from guessing how long operations take. Condition-based waiting eliminates race conditions.

Design high-converting landing pages with AI-generated visuals via inference.sh CLI.

This is an example of a project-specific skill. Use this as a template for your own projects.

This skill provides structured, comprehensive code review for React applications. It evaluates code against React 19 best practices, component architecture patterns, hook usage, accessibility standards, and production-readiness criteria. The review produces actionable findings categorized by severity (Critical, Warning, Suggestion) with concrete code examples for improvements.

GPUI uses different context types for different scenarios:

You MUST use this skill for ANY build, environment, or Xcode-related issue before debugging application code.