Push could only reach one mobile device per user (a token file), quiet hours did not exist,
and the web app had no service worker, so a closed tab never heard about finished work.
This lands the shared interfaces first so onboarding can build on them:
- push_subscriptions (web push endpoints and Expo tokens, one row per device) and
user_notification_settings (quiet hours as minutes in the profile time zone, nudges, a
per-day nudge counter), with CHECK constraints.
- NotificationSettingsSchema and web push contracts, notifications.settings.get/update and
notifications.webPush.config/subscribe/unsubscribe (owner-scoped, https endpoints only).
- getNotificationSettings/updateNotificationSettings plus the policy and nudge-cap helpers.
- VAPID keys from VAPID_PUBLIC_KEY/VAPID_PRIVATE_KEY or generated once and stored encrypted,
and an SSRF-guarded web push sender built on the web-push package.
- The web app links its manifest, registers a push-only service worker where supported (secure
context, not the desktop app) and exposes webPushSupported/webPushEnabled/enableWebPush/
disableWebPush.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MRtGG9ARfqqhma3t85Ro2u
