User-controllable theme override. Persists across cold restart;
default is SYSTEM (follows the device setting via isSystemInDarkTheme).
Schema bump: AppDatabase v2→v3 to add themeMode column on
auth_session. fallbackToDestructiveMigration is still in place so
the upgrade wipes local cache + cookie + user JSON on first launch
after update — destructive but acceptable pre-v1, since the sync
controller refills the cache from the server on next sign-in.
New:
- theme/ThemeMode.kt — SYSTEM / LIGHT / DARK enum with wire
(string) + toDarkOverride() (Boolean?) conversions.
Stored as the wire string; null persisted = SYSTEM.
- theme/ThemePreferenceViewModel.kt — surfaces AuthStore.themeMode
as a typed StateFlow + setter. Lives in the theme package so
MainActivity and SettingsScreen can both share it.
Modified:
- cache/db/entities/AuthSessionEntity.kt — adds themeMode column.
Comment updated to call out that the auth_session table is the
de-facto app-prefs row at this point, not strictly auth-only.
- cache/db/AppDatabase.kt — version 2 → 3.
- cache/db/dao/AuthSessionDao.kt — adds setThemeMode partial-update.
- auth/AuthStore.kt — adds themeMode StateFlow + setter +
persistThemeMode following the existing per-field pattern.
- MainActivity.kt — moves MinstrelTheme wrap from setContent into
the App() composable so it can read the theme preference.
BootSplash also wrapped in Surface(background) so the boot
flash uses the right background color.
- settings/ui/SettingsScreen.kt — Appearance ElevatedCard between
Account and About with a SingleChoiceSegmentedButtonRow of the
three options. Picks fire ThemePreferenceViewModel.setThemeMode
and the whole tree recomposes against the new MinstrelTheme.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
bvandeusen
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