- STANDARDS.md: add non-negotiable rule that Playwright/Cypress/Puppeteer
must always run headless to prevent display collision with the user
- QA-TESTING.md: add Browser Automation section with per-tool headless
configuration guidance
- README.md: update to reflect the TypeScript wizard (mosaic init modes,
--non-interactive flags, wizard development section, dist/ in tree)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>