a11y-debugging

Uses Chrome DevTools MCP for accessibility debugging and auditing in Trae. Use when testing semantic HTML, ARIA labels, accessible names, focus states, keyboard navigation, tap targets, color contrast, Lighthouse a11y, or Chinese requests such as 可访问性检查, 无障碍审计, 键盘导航测试, 表单标签检查, 按钮没有名称, or 颜色对比度检查.