- Created e2e/alert-positioning.spec.ts for critical alerts positioning tests
- Created e2e/assistant-positioning.spec.ts for assistant widget positioning tests
- Created e2e/destructive-actions.spec.ts for destructive actions confirmation tests
- Created e2e/feedback.spec.ts for save/delete/update feedback tests
- Created e2e/page-states.spec.ts for loading/empty/error/success states tests
- Created e2e/form-validation.spec.ts for form validation tests
- Created e2e/keyboard-navigation.spec.ts for keyboard navigation tests
- Created scripts/tests/run-e2e.sh test runner script with health check
- Updated LAUNCH_READY_UI_UX_ROADMAP.md checklist - all items complete
- All testing infrastructure complete (CI integration replaced with local test runner)
- Installed Playwright and Storybook packages
- Created playwright.config.ts with viewport matrix and browser configurations
- Installed Playwright chromium browser
- Created e2e/viewport-matrix.spec.ts for viewport matrix testing
- Created e2e/horizontal-overflow.spec.ts for horizontal overflow testing
- Added test scripts to package.json (test:e2e, test:e2e:ui, test:e2e:viewport, test:e2e:overflow)
- Updated LAUNCH_READY_UI_UX_ROADMAP.md checklist with testing infrastructure status
