Rhythm Cycle
Your device-side daily rhythm timer. This version adds the first Daily Rhythms window structure, current-window guidance, and 20-20 / 90-30 timer modes. Audio, license validation, and skins come later.
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Reading your local time and selecting the active rhythm window.
20:00
Timer runs locally on this device. No per-second server calls.
Device-side timer
PWA shell
Offline-capable