Music on iPhone: keep 3-5 songs ready (size-capped), skip a song that will not load instead of sticking on Buffering, tidy the album buttons, lock-screen art in more sizes, and accept the lookups and song-cache settings on the server

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UaC9HmtHMdRP8dAbN4wAKj

public/settings.js

@@ -91,6 +91,7 @@ function viewSettings(args) {
       <div class="row" id="row-sf"><span class="grow"><b>Seafile</b><small id="sfst">${esc(cfg.seafile)} · ${signed ? 'Checking…' : 'signed out'}</small></span></div>
       <div class="row" id="row-plex"><span class="grow"><b>Plex</b><small id="plexst">Checking…</small></span><button class="btn danger" id="plexout" hidden>Sign out</button></div>
       <div class="row" id="row-oo"><span class="grow"><b>OnlyOffice</b><small>${esc(cfg.onlyoffice)}</small></span></div>
+      ${allowed('music') ? '<label class="row"><span class="grow"><b>Songs kept ready</b><small>The playing song and the ones coming up are saved on this device, so a weak signal does not stop the music</small></span><select id="songcache"><option value="3">3</option><option value="4">4</option><option value="5">5</option></select></label>' : ''}
       ${allowed('music') || allowed('radio') ? '<label class="row" style="cursor:pointer"><span class="grow"><b>Look up lyrics and song covers online</b><small>Sends the artist and title of what is playing to LRCLIB and iTunes. Turn off to keep that private.</small></span><input type="checkbox" id="lookups"></label>' : ''}
     </div>
     ${signed ? '<div class="bar"><button class="btn danger" id="out">Sign out of Seafile</button></div>' : ''}</div>
@@ -146,6 +147,7 @@ function viewSettings(args) {
     el.textContent = st.signedIn ? (st.server ? 'Signed in · ' + st.server + (st.user ? ' · as ' + st.user.title : '') : 'Signed in · no server chosen') : 'Signed out';
     if (st.signedIn) { const b = $('#plexout'); b.hidden = false; b.onclick = async () => { await jfetch('/api/plex/logout', { method: 'POST' }); pl.a.pause(); pl.q = []; pl.i = -1; renderMini(); toast('Signed out of Plex'); viewSettings(); }; }
   }).catch(() => { const el = $('#plexst'); if (el) el.textContent = 'Unavailable'; });
+  const sc = $('#songcache'); if (sc) { sc.value = String(Math.min(5, Math.max(3, +store.get('song_cache', 5) || 5))); sc.onchange = () => { store.set('song_cache', +sc.value); if (typeof tcKick === 'function') tcKick(); toast('Saved'); }; }
   const lk = $('#lookups'); if (lk) { lk.checked = store.get('lookups', true) !== false; lk.onchange = () => { store.set('lookups', lk.checked); toast(lk.checked ? 'Lookups on' : 'Lookups off'); }; }
   if (isAdmin) { loadPeople(); $('#addperson').onclick = () => addPersonSheet(); $('#stbtn').onclick = () => screenTimeSheet(); }
   if (isAdmin) jfetch('/api/health').then(h => {