- Added `accountSid` and `twilioPhoneNumber` fields to Notification type, MongoDB model, and frontend type instead of reusing `address` and `homeserverUrl` - Updated provider, validation, form hook, and form UI to use new fields - Added Pushover and Twilio to notificationsService routing tests (both handleNotifications and sendTestNotification) - All 59 tests passing Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>