queue diff estimates

public/channelSync.js

@@ -404,6 +404,9 @@
       M.setTrackTitle(data.track.title);
       M.loadingSegments.clear();
       
+      // Auto-scroll queue to current track
+      setTimeout(() => M.scrollToCurrentTrack(), 100);
+      
       // Debug: log cache state for this track
       const trackCache = M.trackCaches.get(trackId);
       console.log("[Playback] Starting track:", data.track.title, {

public/controls.js

@@ -64,6 +64,7 @@
       M.localTimestamp = 0;
       M.audio.play();
       M.renderQueue();
+      setTimeout(() => M.scrollToCurrentTrack(), 100);
     }
   }
   

public/index.html

@@ -133,7 +133,7 @@
         </div>
       </div>
       <div id="queue-panel">
-        <h3 id="queue-title">Queue</h3>
+        <h3 id="queue-title">Queue <span id="queue-duration"></span></h3>
         <div id="now-playing-bar" class="now-playing-bar hidden" title="Click to scroll to current track"></div>
         <div id="queue"></div>
       </div>

public/queue.js

@@ -231,8 +231,27 @@
     if (queueContainer) {
       queueContainer.render();
     }
+    updateQueueDuration();
   };
 
+  function updateQueueDuration() {
+    const el = M.$("#queue-duration");
+    if (!el) return;
+    const totalSecs = M.queue.reduce((sum, t) => sum + (t.duration || 0), 0);
+    if (totalSecs === 0) {
+      el.textContent = "";
+      return;
+    }
+    const hours = Math.floor(totalSecs / 3600);
+    const mins = Math.floor((totalSecs % 3600) / 60);
+    const secs = Math.floor(totalSecs % 60);
+    let text = "";
+    if (hours > 0) text = `${hours}h ${mins}m`;
+    else if (mins > 0) text = `${mins}m ${secs}s`;
+    else text = `${secs}s`;
+    el.textContent = `(${M.queue.length} tracks · ${text})`;
+  }
+
   M.renderLibrary = function() {
     initContainers();
     if (libraryContainer) {

public/styles.css

@@ -129,6 +129,7 @@ h3 { font-size: 0.8rem; color: #666; margin-bottom: 0.3rem; text-transform: uppe
 .upload-dropzone.hidden { display: none; }
 .dropzone-content { color: #4e8; font-size: 1.2rem; font-weight: 600; }
 #queue-title { margin: 0 0 0.3rem 0; }
+#queue-duration { font-size: 0.75rem; color: #888; font-weight: normal; }
 .now-playing-bar { font-size: 0.75rem; color: #4e8; padding: 0.3rem 0.5rem; background: #1a2a1a; border: 1px solid #2a4a3a; border-radius: 4px; margin-bottom: 0.3rem; cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
 .now-playing-bar:hover { background: #2a3a2a; }
 .now-playing-bar.hidden { display: none; }

public/trackContainer.js

@@ -261,16 +261,19 @@
       const trackId = track.id || track.filename;
       const index = type === 'queue' ? originalIndex : filteredIndex;
 
-      // Click - handle selection (Ctrl = toggle, Shift = range, plain = select only this)
+      // Click/double-click handling - delay render to allow double-click detection
+      let clickTimeout = null;
       div.onclick = (e) => {
         if (e.target.closest('.track-actions')) return;
         toggleSelection(index, trackId, e.shiftKey, e.ctrlKey || e.metaKey);
-        render();
+        clearTimeout(clickTimeout);
+        clickTimeout = setTimeout(() => render(), 200);
       };
 
       // Double-click - queue: jump to track, library/playlist: add to queue
       div.ondblclick = (e) => {
         if (e.target.closest('.track-actions')) return;
+        clearTimeout(clickTimeout);
         if (type === 'queue') {
           M.jumpToTrack(originalIndex);
         } else {