- VAPID keys from VAPID_* or generated once (push_keys, migration 9);
devices in push_subscriptions, forgotten on 404/410 from the push service
- push column for every event (also due tasks) and the daily summary,
bundles as one notification; /push/key, /devices, /subscribe,
/unsubscribe, /test
- settings: switch push on per device, test it, see the devices; the
service worker shows notifications and focuses MindSift on click
- tests decrypt a sent push like a browser (RFC 8291) and check VAPID
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>