/* two subscriptions that never depended on one another. `listen` is
           an invoke like any other, so one behind the other is two bridge
           round trips at launch for nothing. */
        await Promise.all([
            listen("soulseek:library-changed", () => {
                clearTimeout(timer);
                timer = setTimeout(async () => {
                    try { lib.albums = await api.libraryAlbums(); } catch { /* keep */ }
                    await refreshRecents();
                    void refreshStats();
                }, 600);
            }),
            /* a playlist mutation (the desktop's commands emit it) re-lists them */
            listen("soulseek:playlists-changed", () => { void refreshPlaylists(); }),
        ]);