Security & Privacy
Notification buttons without a session
A habit reminder now has Done and Snooze buttons. The service worker that handles them has no access token, by design, so each button carries a signed, single-purpose link instead.
2 min
notifications
2 posts.
EngineeringOne worker, one lock: reminders that never nag twice
How PaceStreak's background worker notices streaks that ended in silence, times reminders to each person's evening, sends a weekly recap, and stays safe to run twice.
3 min