fix(queue): center spectrum animation, add infinite play banner, fix playlist context

- Center spectrum bars in album art with subtle glow effect
- Add dismissible banner when infinite play is enabled
- Add detailed tooltip for infinite play button
- Fix missing playback context when using Play All in playlists

src/lib/components/QueuePanel.svelte

@@ -66,6 +66,28 @@
   const DISPLAY_LIMIT = 20;
   let displayCount = $state(DISPLAY_LIMIT);
 
+  // Infinite play banner dismissal
+  let infiniteBannerDismissed = $state(false);
+
+  // Load banner dismissal state from localStorage
+  $effect(() => {
+    try {
+      const dismissed = localStorage.getItem('qbz-infinite-banner-dismissed');
+      infiniteBannerDismissed = dismissed === 'true';
+    } catch {
+      // Ignore
+    }
+  });
+
+  function dismissInfiniteBanner() {
+    infiniteBannerDismissed = true;
+    try {
+      localStorage.setItem('qbz-infinite-banner-dismissed', 'true');
+    } catch {
+      // Ignore
+    }
+  }
+
   // Reset state when panel closes
   $effect(() => {
     if (!isOpen) {
@@ -343,7 +365,22 @@
 
     <!-- Footer (Queue tab only) -->
     {#if activeTab === 'queue' && (upcomingTracks.length > 0 || currentTrack)}
-      <div class="footer">
+      <div class="footer" class:with-banner={infinitePlayEnabled && !infiniteBannerDismissed}>
+        <!-- Infinite Play Banner -->
+        {#if infinitePlayEnabled && !infiniteBannerDismissed}
+          <div class="infinite-banner">
+            <div class="banner-content">
+              <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                <path d="M18.178 8c5.096 0 5.096 8 0 8-5.095 0-7.133-8-12.739-8-4.781 0-4.781 8 0 8 5.606 0 7.644-8 12.739-8z"/>
+              </svg>
+              <span>{$t('player.infiniteBannerText')}</span>
+            </div>
+            <button class="banner-close" onclick={dismissInfiniteBanner}>
+              <X size={14} />
+            </button>
+          </div>
+        {/if}
+        <div class="footer-controls">
           <div class="footer-left">
             <button
               class="footer-icon-btn"
@@ -363,7 +400,7 @@
               class="footer-icon-btn"
               class:active={infinitePlayEnabled}
               onclick={onToggleInfinitePlay}
-            title={$t('player.infinitePlay')}
+              title={$t('player.infinitePlayTooltip')}
             >
               <svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" class="infinite-icon">
                 <path d="M18.178 8c5.096 0 5.096 8 0 8-5.095 0-7.133-8-12.739-8-4.781 0-4.781 8 0 8 5.606 0 7.644-8 12.739-8z"/>
@@ -395,6 +432,7 @@
             {/if}
           </div>
         </div>
+      </div>
     {/if}
   </div>
 {/if}
@@ -550,20 +588,22 @@
 
   .spectrum-bars {
     position: absolute;
-    bottom: 4px;
+    top: 50%;
     left: 50%;
-    transform: translateX(-50%);
+    transform: translate(-50%, -50%);
     display: flex;
-    align-items: flex-end;
+    align-items: center;
     gap: 2px;
     height: 16px;
+    filter: drop-shadow(0 0 4px rgba(0, 0, 0, 0.5)) drop-shadow(0 0 8px rgba(66, 133, 244, 0.3));
   }
 
   .spectrum-bars .bar {
     width: 3px;
-    background-color: #4285F4;
+    background-color: #fff;
     border-radius: 1px;
     animation: spectrum 1s ease-in-out infinite;
+    box-shadow: 0 0 3px rgba(255, 255, 255, 0.5);
   }
 
   .spectrum-bars .bar:nth-child(1) {
@@ -819,12 +859,15 @@
 
   /* Footer */
   .footer {
-    padding: 12px 16px;
     border-top: 1px solid var(--bg-tertiary);
+    flex-shrink: 0;
+  }
+
+  .footer-controls {
+    padding: 12px 16px;
     display: flex;
     align-items: center;
     justify-content: space-between;
-    flex-shrink: 0;
   }
 
   .footer-left,
@@ -834,6 +877,46 @@
     gap: 8px;
   }
 
+  /* Infinite Play Banner */
+  .infinite-banner {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 10px 16px;
+    background: var(--accent-primary, #6366f1);
+    background: linear-gradient(135deg, var(--accent-primary, #6366f1) 0%, color-mix(in srgb, var(--accent-primary, #6366f1) 80%, #000) 100%);
+    color: white;
+    font-size: 12px;
+  }
+
+  .banner-content {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+  }
+
+  .banner-content svg {
+    flex-shrink: 0;
+  }
+
+  .banner-close {
+    background: none;
+    border: none;
+    color: white;
+    opacity: 0.7;
+    cursor: pointer;
+    padding: 2px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    border-radius: 4px;
+    transition: opacity 150ms ease;
+  }
+
+  .banner-close:hover {
+    opacity: 1;
+  }
+
   .footer-icon-btn {
     width: 32px;
     height: 32px;

src/lib/components/views/PlaylistDetailView.svelte

@@ -767,6 +767,25 @@
     const allTracks = displayTracks;
     if (allTracks.length === 0) return;
 
+    // Set playback context for playlist
+    if (playlist) {
+      const trackIds = allTracks
+        .filter(t => !t.isLocal) // Only Qobuz tracks in context
+        .map(t => t.id);
+
+      if (trackIds.length > 0) {
+        await setPlaybackContext(
+          'playlist',
+          playlist.id.toString(),
+          playlist.name,
+          'qobuz',
+          trackIds,
+          0
+        );
+        console.log(`[Playlist] Context created via Play All: "${playlist.name}", ${trackIds.length} tracks`);
+      }
+    }
+
     try {
       await setPlaylistQueue(0);
 

src/lib/i18n/locales/en.json

@@ -226,6 +226,8 @@
     "infinitePlay": "Infinite Play",
     "infinitePlayEnabled": "Infinite play enabled",
     "infinitePlayDisabled": "Infinite play disabled",
+    "infinitePlayTooltip": "Infinite Play: Automatically adds similar tracks when your queue is about to end, creating an endless listening experience based on your current music.",
+    "infiniteBannerText": "Infinite Play is active. Similar tracks will be added automatically.",
     "lyrics": "Lyrics",
     "noLyrics": "No lyrics available",
     "fetchingLyrics": "Fetching lyrics...",

src/lib/i18n/locales/es.json

@@ -226,6 +226,8 @@
     "infinitePlay": "Reproducción Infinita",
     "infinitePlayEnabled": "Reproducción infinita activada",
     "infinitePlayDisabled": "Reproducción infinita desactivada",
+    "infinitePlayTooltip": "Reproducción Infinita: Añade automáticamente pistas similares cuando tu cola está por terminar, creando una experiencia de escucha sin fin basada en tu música actual.",
+    "infiniteBannerText": "Reproducción Infinita activa. Se añadirán pistas similares automáticamente.",
     "lyrics": "Letras",
     "noLyrics": "No hay letras disponibles",
     "fetchingLyrics": "Buscando letras...",