Mirror the iOS side drawer on Android with a ModalNavigationDrawer opened by the
hamburger or an edge-swipe (replaces the calendar filter bottom sheet):
- header with avatar/name/server + manual sync, full menu (gear), and close
- view + group switcher chips
- flat calendar list: tap toggles visibility, long-press opens a context menu
(hide/banish + reminders), and a Sort toggle reveals up/down reordering.
Order is device-local (SettingsStore.calendarOrder, mirrors the web).
- month-switching is now a named dropdown (scroll vs pages) like web/iOS
- new device-local 'Hide menu button' setting (drawer opens via edge-swipe)
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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