pub fn build_schema(
state: Arc<SharedPlayerState>,
cmd_tx: Sender<PlayerCommand>,
db_path: PathBuf,
viz: Option<Arc<VizSnapshot>>,
) -> KoanSchemapub fn build_schema(
state: Arc<SharedPlayerState>,
cmd_tx: Sender<PlayerCommand>,
db_path: PathBuf,
viz: Option<Arc<VizSnapshot>>,
) -> KoanSchema