Performance This skill provides comprehensive performance capabilities including performance analysis, optimization, load testing, stress testing, capacity planning, and framework-specific performance patterns. When to Use This Skill - When identifying performance bottlenecks - When investigating memory leaks or high memory usage - When optimizing slow database queries - When analyzing frontend performance (Core Web Vitals, bundle size) - When setting up performance monitoring - When conducting performance audits before deployment - When creating load test scenarios - When analyzing performan…