Data model
Schema notification is created at database init and migrated only by this service's Flyway scripts in src/main/resources/db/migration.
notification.notificationsnotification.notification_preferencesnotification.device_tokensnotification.user_localenotification.inbox_messagesnotification.inbox_state
Cross-service reads go through HTTP or through a local projection table filled by the inbox. Do not add a foreign key to another schema.