- Sidebar: collapsible groups (Основное/Цены/Сервис/Управление/Настройки/Разработчикам) with chevron headers, state persisted in localStorage 'sidebarGroups'
- Sidebar: Избранное group at top, star icon on nav item hover to add/remove favorites, stored in localStorage 'sidebarFavorites'
- Sidebar: active route auto-opens its group on navigation
- SettingsPage: 'Скрыть чат' toggle in Внешний вид section, stored in localStorage 'chatHidden'
- AppLayout: conditionally renders ChatWidget based on chatHidden, listens for storage events for reactive updates
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
HotelSync
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