Summary - Split HeaderBar into maintainable components and hooks - Centralized skeleton loading UI via a reusable SkeletonWrapper - Improved navigation UX with primary-colored hover indication - Preserved API surface and passed linters Why - Improve readability, reusability, and testability of the header - Remove duplicated skeleton logic across files - Provide clearer hover feedback consistent with the theme What’s changed - Components (web/src/components/layout/HeaderBar/) - New container: index.js - New UI components: HeaderLogo.js, Navigation.js, ActionButtons.js, UserArea.js, MobileMenuButton.js, NewYearButton.js, NotificationButton.js, ThemeToggle.js, LanguageSelector.js - New shared skeleton: SkeletonWrapper.js - Updated entry: HeaderBar.js now re-exports ./HeaderBar/index.js - Hooks (web/src/hooks/common/) - New: useHeaderBar.js (state and actions for header) - New: useNotifications.js (announcements state, unread calc, open/close) - New: useNavigation.js (main nav link config) - Skeleton refactor - Navigation.js: replaced inline skeletons with <SkeletonWrapper type="navigation" .../> - UserArea.js: replaced inline skeletons with <SkeletonWrapper type="userArea" .../> - HeaderLogo.js: replaced image/title skeletons with <SkeletonWrapper type="image"/>, <SkeletonWrapper type="title"/> - Navigation hover UX - Added primary-colored hover to nav items for clearer pointer feedback - Final hover style: hover:text-semi-color-primary (kept rounded + transition classes) Non-functional - No breaking API changes; HeaderBar usage stays the same - All modified files pass lint checks Notes for future work - SkeletonWrapper is extensible: add new cases (e.g., card) in one place - Components are small and test-friendly; unit tests can be added per component Affected files (key) - web/src/components/layout/HeaderBar.js - web/src/components/layout/HeaderBar/index.js - web/src/components/layout/HeaderBar/Navigation.js - web/src/components/layout/HeaderBar/UserArea.js - web/src/components/layout/HeaderBar/HeaderLogo.js - web/src/components/layout/HeaderBar/ActionButtons.js - web/src/components/layout/HeaderBar/MobileMenuButton.js - web/src/components/layout/HeaderBar/NewYearButton.js - web/src/components/layout/HeaderBar/NotificationButton.js - web/src/components/layout/HeaderBar/ThemeToggle.js - web/src/components/layout/HeaderBar/LanguageSelector.js - web/src/components/layout/HeaderBar/SkeletonWrapper.js - web/src/hooks/common/useHeaderBar.js - web/src/hooks/common/useNotifications.js - web/src/hooks/common/useNavigation.js
