webapp/platform/components/CLAUDE.OPTIONAL.md
platform/components/ (@mattermost/components)webapp/STYLE_GUIDE.md → React Component Structure, Styling & Theming, Accessibility.*.test.tsx) demonstrating accessibility behaviors.testUtils.tsx) for consumers who need to mock these components.generic_modal/ – baseline modal with focus trapping and keyboard handling.tour_tip/ – coach marks with backdrop management.skeleton_loader/, pulsating_dot/ – loading indicators.hooks/ – shared hooks like useFocusTrap.platform/components/README.md and notifying dependent teams.generic_modal/generic_modal.tsx, tour_tip/tour_tip.tsx, hooks/useFocusTrap.test.tsx.