Recording Mutations, Not Events
Half of the library code in Moments, my photo manager, calls a one-method trait after every database write. That trait has two implementations. One of them returns Ok(()) and does nothing else. From inside the library, there is no way to tell which one is wired up. That is the entire architecture of how Moments syncs to Immich — and the entire reason the local backend, which has no sync at all, is the same program as the Immich one. ...