We need to add persistent scrobble history to Navidrome. When users listen offline (e.g., with Symfonium and…

We need to add persistent scrobble history to Navidrome. When users listen offline (e.g., with Symfonium and…: a task in LegoFlow-SWE (Harbor dataset). The goal is to record every successful scrobble event persistently, so external clients can query and forward them even after offline periods.