- Fix undefined variable references in handleLogoutClick
- Use state.statusRefreshHandle instead of statusRefreshHandle
- Use state.currentUser instead of currentUser
- Add .hidden utility class to style.css for CSP compliance
- Replace all inline style='display: none' with class='hidden' in HTML
- Update all UI modules to use classList.add/remove instead of style.display
- Fix ignoreAvailable reference error in history.js (use state.ignoreAvailable)
- Rebuild client bundle with vite