music box fixes

music-box/nc-music-box.html

@@ -662,10 +662,10 @@ body {
   }
 
   function renderState(s) {
-    if (lastTrackIndex !== null && s.index !== lastTrackIndex && s.title) {
+    if (lastTrackFile !== null && s.file && s.file !== lastTrackFile && s.title) {
       logBeforePins(`[audio] now: ${s.title}`);
     }
-    lastTrackIndex = s.index;
+    if (s.file) lastTrackFile = s.file;
 
     // Terminal pinned block
     npTitle.textContent = s.title || '—';
@@ -829,7 +829,10 @@ body {
   }
 
   // ── State application ──
-  let lastTrackIndex = null;
+  // Dedupe by file URI, not s.index — MPD's status.song shifts mid-playback
+  // when the queue is reordered (consume mode, mpc shuffle, etc.), which
+  // would otherwise cause duplicate "now: …" lines for one playthrough.
+  let lastTrackFile = null;
   function applyState(s) {
     pendingState = s;
     if (!bootStarted) {