feat(web+android): Gesamtdauer mit Stunden, in Android neu

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

src/views/playlists.js

@@ -1,5 +1,5 @@
 import { S } from '../state.js';
-import { esc, toast } from '../utils.js';
+import { esc, toast, formatGesamtdauer } from '../utils.js';
 import { api, apiCached, apiIsCached, coverUrl, romajiLookup, dispArtistById, getArtistOverride } from '../api.js';
 import { makeCard, makeAlbumCard, makeSongItem, mkSection } from '../ui/components.js';
 import { playQueue } from '../player/player.js';
@@ -62,10 +62,10 @@ export async function loadPlaylistDetail(pl) {
     const full = r.playlist || {};
     S._currentPlaylist = {...pl, ...full, id: pl.id};
     const songs = full.entry || [];
-    const totalMin = Math.round(songs.reduce((s,t) => s+(t.duration||0), 0) / 60);
+    const gesamt = songs.reduce((s,t) => s+(t.duration||0), 0);
     const von = _besitzer({ ...pl, ...full });
     document.getElementById('playlist-detail-stats').textContent =
-      `${songs.length} Titel · ${totalMin} Min.` + (von ? ` · von ${von}` : '');
+      `${songs.length} Titel · ${formatGesamtdauer(gesamt)}` + (von ? ` · von ${von}` : '');
     const overviewCard = document.querySelector(`#playlists-grid [data-pl-id="${pl.id}"]`);
     if (overviewCard) overviewCard.querySelector('.card-sub').textContent =
       songs.length + ' Titel' + (von ? ' · von ' + von : '');