Validate UI changes in a real browser using Chrome DevTools or Playwright MCP. Takes screenshots, compares before/after, exercises interactions, captures console errors. Use when user asks to "visual validate", "/visual-validate", "check the UI", "screenshot before/after", or finishes a UI change. D
Validate UI changes in a real browser using Chrome DevTools or Playwright MCP. Takes screenshots, compares before/after, exercises interactions, captures console errors. Use when user asks to "visual validate", "/visual-validate", "check the UI", "screenshot before/after", or finishes a UI change. Don't use for unit tests (use `tdd`), E2E user flows (use `e2e`), or backend changes.