Remove RFC 1918 blocks from _BLOCKED_NETWORKS — only block loopback
and link-local. Self-hosted ntfy servers are typically on the same LAN.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add ntfy columns to Settings model (server_url, topic, auth_token, enabled, per-type toggles, lead times)
- Create NtfySent dedup model to prevent duplicate notifications
- Create ntfy service with SSRF validation and async httpx send
- Create ntfy_templates service with per-type payload builders
- Create APScheduler background dispatch job (60s interval, events/reminders/todos/projects)
- Register scheduler in main.py lifespan with max_instances=1
- Update SettingsUpdate with ntfy validators (URL scheme, topic regex, lead time ranges)
- Update SettingsResponse with ntfy fields; ntfy_has_token computed, token never exposed
- Add POST /api/settings/ntfy/test endpoint
- Update GET/PUT settings to use explicit _to_settings_response() helper
- Add Alembic migration 022 for ntfy settings columns + ntfy_sent table
- Add httpx==0.27.2 and apscheduler==3.10.4 to requirements.txt
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
