build(uhr): alarms, ringing, timer, stopwatch, world clock, bedtime, settings, widgets

- exact alarms via setAlarmClock, rescheduled on boot/time/zone change and app update
- foreground ringing service: alarm-stream audio with gradual volume, vibration,
  full-screen screen with slide to snooze/stop, silence-after, missed notification
- timers and stopwatch keep timestamps only; live countdown/chronometer notifications
- world clock offline from the time zone database (no network permission at all)
- own alarm tone, own analog face and launcher icon
- next-ring logic unit-tested incl. DST gaps and zone changes; screenshot tests

Co-Authored-By: Claude Opus 5.5 <[email protected]>
This commit is contained in:
2026-10-17 15:16:50 +02:00
co-authored by Claude Opus 5.5
parent 887299a3a7
commit bc4cd8daf1
75 changed files with 4545 additions and 57 deletions
+6
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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android">
<application>
<activity android:name=".DebugAlarmActivity" android:exported="true" android:theme="@android:style/Theme.Translucent.NoTitleBar" />
</application>
</manifest>