概要
This skill equips Claude with specialized knowledge to architect and implement a robust testing pyramid using modern industry-standard tools. It covers the entire software quality lifecycle, including high-speed unit testing with Vitest, cross-browser E2E automation with Playwright, and performance benchmarking with k6. By providing domain-specific guidance on visual regression, accessibility (WCAG) compliance, and security vulnerability scanning, this skill ensures your web applications are reliable, performant, and secure before they reach production.