Merge pre-release into feature/immersive-player

Resolved conflicts:
- src-tauri/src/api/client.rs: Keep TrackUnavailable error handling
- i18n files: Combined immersive player keys with trackUnavailable key

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "qbz-nix",
-  "version": "1.1.6",
+  "version": "1.1.7",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "qbz-nix",
-      "version": "1.1.6",
+      "version": "1.1.7",
       "license": "MIT",
       "dependencies": {
         "@tauri-apps/api": "^2",

src-tauri/src/api/client.rs

@@ -590,11 +590,13 @@ impl QobuzClient {
                     .and_then(|v| serde_json::from_value(v.clone()).ok())
                     .unwrap_or_default();
 
-                // Validate that we got an actual URL
+// Validate that we got an actual URL (track may be unavailable)
                 let url = json["url"].as_str().unwrap_or("").to_string();
                 if url.is_empty() {
-                    log::error!("Stream URL response missing 'url' field. Response: {:?}", json);
-                    return Err(ApiError::ApiResponse("Stream URL response missing 'url' field".to_string()));
+                    // Log the restriction codes for debugging
+                    let restriction_codes: Vec<&str> = restrictions.iter().map(|r| r.code.as_str()).collect();
+                    log::warn!("Stream URL missing for track {} - restrictions: {:?}", track_id, restriction_codes);
+                    return Err(ApiError::TrackUnavailable(track_id));
                 }
 
                 Ok(StreamUrl {
@@ -622,6 +624,8 @@ impl QobuzClient {
         let qualities = Quality::fallback_order();
         let start_idx = qualities.iter().position(|q| *q == preferred).unwrap_or(0);
 
+        let mut track_unavailable = false;
+
         for quality in &qualities[start_idx..] {
             log::info!("Trying quality: {:?}", quality);
             match self.get_stream_url(track_id, *quality).await {
@@ -637,6 +641,11 @@ impl QobuzClient {
                     log::error!("Invalid app secret");
                     return Err(ApiError::InvalidAppSecret);
                 },
+                Err(ApiError::TrackUnavailable(_)) => {
+                    // Track is completely unavailable on Qobuz
+                    track_unavailable = true;
+                    continue;
+                },
                 Err(e) => {
                     log::warn!("Quality {:?} failed: {}, trying next", quality, e);
                     continue;
@@ -644,6 +653,12 @@ impl QobuzClient {
             }
         }
 
+        // If all quality levels reported track unavailable, return that specific error
+        if track_unavailable {
+            log::error!("Track {} is no longer available on Qobuz", track_id);
+            return Err(ApiError::TrackUnavailable(track_id));
+        }
+
         log::error!("No quality available for track {}", track_id);
         Err(ApiError::NoQualityAvailable)
     }

src-tauri/src/api/error.rs

@@ -28,6 +28,9 @@ pub enum ApiError {
     #[error("No valid quality available for this track")]
     NoQualityAvailable,
 
+    #[error("Track {0} is no longer available on Qobuz")]
+    TrackUnavailable(u64),
+
     #[error("Network error: {0}")]
     NetworkError(#[from] reqwest::Error),
 

src-tauri/src/api/models.rs

@@ -67,9 +67,11 @@ pub struct StreamUrl {
 }
 
 impl StreamUrl {
+    /// Check if the stream has restrictions that prevent playback
     pub fn has_restrictions(&self) -> bool {
         self.restrictions.iter().any(|r| {
             r.code == "FormatRestrictedByFormatAvailability"
+                || r.code == "SampleRestrictedByRightHolders"
         })
     }
 }

src/lib/app/bootstrap.ts

@@ -11,6 +11,7 @@ import { goBack, goForward } from '$lib/stores/navigationStore';
 import { loadToastsPreference } from '$lib/stores/toastStore';
 import { loadSystemNotificationsPreference, flushScrobbleQueue } from '$lib/services/playbackService';
 import { initOfflineStore, cleanupOfflineStore, onOnlineTransition, syncPendingPlaylists } from '$lib/stores/offlineStore';
+import { loadUnavailableTracks } from '$lib/stores/unavailableTracksStore';
 import { getNextZoomLevel } from '$lib/utils/zoom';
 import { getZoom, setZoom } from '$lib/stores/zoomStore';
 
@@ -141,6 +142,9 @@ export function bootstrapApp(): BootstrapResult {
   // Initialize offline store (async, fire-and-forget)
   initOfflineStore();
 
+  // Load unavailable tracks from localStorage
+  loadUnavailableTracks();
+
   // Register callback to flush scrobble queue and sync playlists when transitioning to online
   onOnlineTransition(() => {
     console.log('[Bootstrap] Online transition detected - flushing scrobble queue and syncing playlists');

src/lib/components/TrackMenu.svelte

@@ -16,7 +16,8 @@
     CloudDownload,
     RefreshCw,
     Radio,
-    Info
+    Info,
+    Search
   } from 'lucide-svelte';
   import { shouldHidePlaylistFeatures } from '$lib/utils/offlineHelpers';
   import {
@@ -37,6 +38,7 @@
     onAddFavorite?: () => void;
     onAddToPlaylist?: () => void;
     onRemoveFromPlaylist?: () => void;
+    onFindReplacement?: () => void;
     onShareQobuz?: () => void;
     onShareSonglink?: () => void;
     onGoToAlbum?: () => void;
@@ -58,6 +60,7 @@
     onAddFavorite,
     onAddToPlaylist,
     onRemoveFromPlaylist,
+    onFindReplacement,
     onShareQobuz,
     onShareSonglink,
     onGoToAlbum,
@@ -100,7 +103,7 @@
   }
 
   const hasPlayback = $derived(!!(onPlayNow || onPlayTrackOnly || onPlayFromHere || onPlayNext || onPlayLater || onCreateRadio));
-  const hasLibrary = $derived(!!(onAddFavorite || onAddToPlaylist || onRemoveFromPlaylist));
+  const hasLibrary = $derived(!!(onAddFavorite || onAddToPlaylist || onRemoveFromPlaylist || onFindReplacement));
   const hasShare = $derived(!!(onShareQobuz || onShareSonglink));
   const hasDownload = $derived(!!onDownload || isTrackDownloaded);
   const hasNav = $derived(!!(onGoToAlbum || onGoToArtist || onShowInfo));
@@ -414,6 +417,12 @@
                 <span>Remove from playlist</span>
               </button>
             {/if}
+            {#if onFindReplacement}
+              <button class="menu-item" onclick={() => handleAction(onFindReplacement)}>
+                <Search size={14} />
+                <span>Find available version</span>
+              </button>
+            {/if}
           {/if}
 
           {#if hasLibrary && (hasShare || hasNav)}

src/lib/components/TrackReplacementModal.svelte

@@ -0,0 +1,588 @@
+<script lang="ts">
+  import { invoke } from '@tauri-apps/api/core';
+  import { X, Search, Play, Check, AlertCircle, Loader2 } from 'lucide-svelte';
+  import { t } from '$lib/i18n';
+
+  interface SearchTrack {
+    id: number;
+    title: string;
+    duration: number;
+    performer?: { id?: number; name: string };
+    album?: {
+      id: string;
+      title: string;
+      image?: { small?: string; thumbnail?: string; large?: string };
+    };
+    hires: boolean;
+    maximum_bit_depth?: number;
+    maximum_sampling_rate?: number;
+    streamable?: boolean;
+  }
+
+  interface SearchResultsPage {
+    items: SearchTrack[];
+    total: number;
+  }
+
+  interface Props {
+    isOpen: boolean;
+    trackTitle: string;
+    trackArtist?: string;
+    onClose: () => void;
+    onSelect: (track: SearchTrack) => void;
+    onPreview?: (track: SearchTrack) => void;
+  }
+
+  let {
+    isOpen,
+    trackTitle,
+    trackArtist,
+    onClose,
+    onSelect,
+    onPreview
+  }: Props = $props();
+
+  let searchQuery = $state('');
+  let results = $state<SearchTrack[]>([]);
+  let loading = $state(false);
+  let searched = $state(false);
+  let selectedTrackId = $state<number | null>(null);
+
+  // Initialize search query when modal opens
+  $effect(() => {
+    if (isOpen) {
+      // Build initial search query from track info
+      const query = trackArtist
+        ? `${trackTitle} ${trackArtist}`
+        : trackTitle;
+      searchQuery = query;
+      selectedTrackId = null;
+      searched = false;
+      results = [];
+      // Auto-search on open
+      doSearch();
+    }
+  });
+
+  async function doSearch() {
+    if (!searchQuery.trim()) return;
+
+    loading = true;
+    searched = true;
+    try {
+      const response = await invoke<SearchResultsPage>('search_tracks', {
+        query: searchQuery.trim(),
+        limit: 20
+      });
+      // Filter out non-streamable tracks
+      results = response.items.filter(t => t.streamable !== false);
+    } catch (err) {
+      console.error('Search failed:', err);
+      results = [];
+    } finally {
+      loading = false;
+    }
+  }
+
+  function handleKeydown(e: KeyboardEvent) {
+    if (e.key === 'Enter') {
+      doSearch();
+    } else if (e.key === 'Escape') {
+      onClose();
+    }
+  }
+
+  function formatDuration(seconds: number): string {
+    const mins = Math.floor(seconds / 60);
+    const secs = seconds % 60;
+    return `${mins}:${secs.toString().padStart(2, '0')}`;
+  }
+
+  function formatQuality(track: SearchTrack): string {
+    if (track.maximum_bit_depth && track.maximum_sampling_rate) {
+      return `${track.maximum_bit_depth}bit/${track.maximum_sampling_rate}kHz`;
+    }
+    if (track.hires) return 'Hi-Res';
+    return 'CD';
+  }
+
+  function handleSelect(track: SearchTrack) {
+    selectedTrackId = track.id;
+  }
+
+  function handleConfirm() {
+    const selected = results.find(t => t.id === selectedTrackId);
+    if (selected) {
+      onSelect(selected);
+    }
+  }
+
+  function handlePreview(e: MouseEvent, track: SearchTrack) {
+    e.stopPropagation();
+    onPreview?.(track);
+  }
+</script>
+
+{#if isOpen}
+  <div class="modal-overlay" onclick={onClose} onkeydown={handleKeydown} role="dialog" aria-modal="true">
+    <div class="modal-content" onclick={(e) => e.stopPropagation()}>
+      <div class="modal-header">
+        <h2>{$t('playlist.findReplacement')}</h2>
+        <button class="close-btn" onclick={onClose}>
+          <X size={20} />
+        </button>
+      </div>
+
+      <div class="search-section">
+        <div class="search-info">
+          <AlertCircle size={16} />
+          <span>{$t('playlist.searchingFor')}: <strong>{trackTitle}</strong>{trackArtist ? ` - ${trackArtist}` : ''}</span>
+        </div>
+        <div class="search-input-container">
+          <Search size={16} class="search-icon" />
+          <input
+            type="text"
+            bind:value={searchQuery}
+            placeholder={$t('search.placeholder')}
+            class="search-input"
+            onkeydown={handleKeydown}
+          />
+          <button class="search-btn" onclick={doSearch} disabled={loading}>
+            {#if loading}
+              <Loader2 size={16} class="spinner" />
+            {:else}
+              {$t('playlist.searchButton')}
+            {/if}
+          </button>
+        </div>
+      </div>
+
+      <div class="results-section">
+        {#if loading}
+          <div class="loading-state">
+            <Loader2 size={24} class="spinner" />
+            <span>{$t('playlist.loading')}</span>
+          </div>
+        {:else if searched && results.length === 0}
+          <div class="empty-state">
+            <AlertCircle size={32} />
+            <p>{$t('playlist.noReplacementsFound')}</p>
+            <p class="hint">{$t('playlist.tryDifferentSearch')}</p>
+          </div>
+        {:else if results.length > 0}
+          <div class="results-list">
+            {#each results as track (track.id)}
+              <button
+                class="result-item"
+                class:selected={selectedTrackId === track.id}
+                onclick={() => handleSelect(track)}
+                ondblclick={() => { handleSelect(track); handleConfirm(); }}
+              >
+                <div class="track-artwork">
+                  {#if track.album?.image?.thumbnail}
+                    <img src={track.album.image.thumbnail} alt="" />
+                  {:else}
+                    <div class="artwork-placeholder"></div>
+                  {/if}
+                </div>
+                <div class="track-info">
+                  <div class="track-title">{track.title}</div>
+                  <div class="track-meta">
+                    <span class="artist">{track.performer?.name ?? 'Unknown'}</span>
+                    <span class="separator">•</span>
+                    <span class="album">{track.album?.title ?? 'Unknown Album'}</span>
+                  </div>
+                </div>
+                <div class="track-quality" class:hires={track.hires}>
+                  {formatQuality(track)}
+                </div>
+                <div class="track-duration">{formatDuration(track.duration)}</div>
+                {#if onPreview}
+                  <button
+                    class="preview-btn"
+                    onclick={(e) => handlePreview(e, track)}
+                    title={$t('playlist.preview')}
+                  >
+                    <Play size={14} fill="currentColor" />
+                  </button>
+                {/if}
+                {#if selectedTrackId === track.id}
+                  <div class="selected-indicator">
+                    <Check size={16} />
+                  </div>
+                {/if}
+              </button>
+            {/each}
+          </div>
+        {:else}
+          <div class="empty-state initial">
+            <Search size={32} />
+            <p>{$t('playlist.searchToFindReplacement')}</p>
+          </div>
+        {/if}
+      </div>
+
+      <div class="modal-footer">
+        <button class="cancel-btn" onclick={onClose}>
+          {$t('playlist.cancel')}
+        </button>
+        <button
+          class="confirm-btn"
+          onclick={handleConfirm}
+          disabled={selectedTrackId === null}
+        >
+          {$t('playlist.replaceTrack')}
+        </button>
+      </div>
+    </div>
+  </div>
+{/if}
+
+<style>
+  .modal-overlay {
+    position: fixed;
+    inset: 0;
+    background: rgba(0, 0, 0, 0.7);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 1000;
+    backdrop-filter: blur(4px);
+  }
+
+  .modal-content {
+    background: var(--bg-primary);
+    border-radius: 12px;
+    width: 90%;
+    max-width: 700px;
+    max-height: 80vh;
+    display: flex;
+    flex-direction: column;
+    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
+    border: 1px solid var(--bg-tertiary);
+  }
+
+  .modal-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 20px 24px;
+    border-bottom: 1px solid var(--bg-tertiary);
+  }
+
+  .modal-header h2 {
+    margin: 0;
+    font-size: 18px;
+    font-weight: 600;
+    color: var(--text-primary);
+  }
+
+  .close-btn {
+    background: none;
+    border: none;
+    color: var(--text-muted);
+    cursor: pointer;
+    padding: 4px;
+    border-radius: 4px;
+    transition: all 150ms ease;
+  }
+
+  .close-btn:hover {
+    color: var(--text-primary);
+    background: var(--bg-tertiary);
+  }
+
+  .search-section {
+    padding: 16px 24px;
+    border-bottom: 1px solid var(--bg-tertiary);
+  }
+
+  .search-info {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    margin-bottom: 12px;
+    color: var(--text-secondary);
+    font-size: 13px;
+  }
+
+  .search-info strong {
+    color: var(--text-primary);
+  }
+
+  .search-input-container {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    background: var(--bg-tertiary);
+    border-radius: 8px;
+    padding: 8px 12px;
+  }
+
+  .search-input-container :global(.search-icon) {
+    color: var(--text-muted);
+    flex-shrink: 0;
+  }
+
+  .search-input {
+    flex: 1;
+    background: none;
+    border: none;
+    color: var(--text-primary);
+    font-size: 14px;
+    outline: none;
+  }
+
+  .search-input::placeholder {
+    color: var(--text-muted);
+  }
+
+  .search-btn {
+    padding: 6px 16px;
+    background: var(--accent-primary);
+    color: white;
+    border: none;
+    border-radius: 6px;
+    font-size: 13px;
+    font-weight: 500;
+    cursor: pointer;
+    transition: all 150ms ease;
+    display: flex;
+    align-items: center;
+    gap: 6px;
+  }
+
+  .search-btn:hover:not(:disabled) {
+    background: var(--accent-hover);
+  }
+
+  .search-btn:disabled {
+    opacity: 0.6;
+    cursor: not-allowed;
+  }
+
+  .results-section {
+    flex: 1;
+    overflow-y: auto;
+    min-height: 200px;
+    max-height: 400px;
+  }
+
+  .loading-state,
+  .empty-state {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    padding: 48px;
+    color: var(--text-muted);
+    gap: 12px;
+  }
+
+  .empty-state p {
+    margin: 0;
+  }
+
+  .empty-state .hint {
+    font-size: 13px;
+    opacity: 0.7;
+  }
+
+  .empty-state.initial {
+    color: var(--text-secondary);
+  }
+
+  .results-list {
+    padding: 8px;
+  }
+
+  .result-item {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+    width: 100%;
+    padding: 10px 12px;
+    background: none;
+    border: none;
+    border-radius: 8px;
+    cursor: pointer;
+    transition: all 150ms ease;
+    text-align: left;
+  }
+
+  .result-item:hover {
+    background: var(--bg-hover);
+  }
+
+  .result-item.selected {
+    background: var(--accent-primary-alpha, rgba(99, 102, 241, 0.15));
+    outline: 1px solid var(--accent-primary);
+  }
+
+  .track-artwork {
+    width: 44px;
+    height: 44px;
+    border-radius: 4px;
+    overflow: hidden;
+    flex-shrink: 0;
+  }
+
+  .track-artwork img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+  }
+
+  .artwork-placeholder {
+    width: 100%;
+    height: 100%;
+    background: var(--bg-tertiary);
+  }
+
+  .track-info {
+    flex: 1;
+    min-width: 0;
+  }
+
+  .track-title {
+    font-size: 14px;
+    font-weight: 500;
+    color: var(--text-primary);
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+
+  .track-meta {
+    font-size: 12px;
+    color: var(--text-muted);
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    overflow: hidden;
+  }
+
+  .track-meta .separator {
+    opacity: 0.5;
+  }
+
+  .track-meta .artist,
+  .track-meta .album {
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+
+  .track-meta .album {
+    flex-shrink: 1;
+  }
+
+  .track-quality {
+    font-size: 11px;
+    color: var(--text-muted);
+    padding: 2px 8px;
+    background: var(--bg-tertiary);
+    border-radius: 4px;
+    white-space: nowrap;
+  }
+
+  .track-quality.hires {
+    color: var(--accent-primary);
+    background: var(--accent-primary-alpha, rgba(99, 102, 241, 0.15));
+  }
+
+  .track-duration {
+    font-size: 13px;
+    color: var(--text-muted);
+    font-family: var(--font-mono);
+    width: 45px;
+    text-align: right;
+  }
+
+  .preview-btn {
+    width: 28px;
+    height: 28px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background: var(--bg-tertiary);
+    border: none;
+    border-radius: 50%;
+    color: var(--text-muted);
+    cursor: pointer;
+    transition: all 150ms ease;
+    opacity: 0;
+  }
+
+  .result-item:hover .preview-btn {
+    opacity: 1;
+  }
+
+  .preview-btn:hover {
+    background: var(--accent-primary);
+    color: white;
+  }
+
+  .selected-indicator {
+    width: 24px;
+    height: 24px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background: var(--accent-primary);
+    color: white;
+    border-radius: 50%;
+  }
+
+  .modal-footer {
+    display: flex;
+    justify-content: flex-end;
+    gap: 12px;
+    padding: 16px 24px;
+    border-top: 1px solid var(--bg-tertiary);
+  }
+
+  .cancel-btn,
+  .confirm-btn {
+    padding: 10px 20px;
+    border-radius: 8px;
+    font-size: 14px;
+    font-weight: 500;
+    cursor: pointer;
+    transition: all 150ms ease;
+  }
+
+  .cancel-btn {
+    background: none;
+    border: 1px solid var(--bg-tertiary);
+    color: var(--text-secondary);
+  }
+
+  .cancel-btn:hover {
+    background: var(--bg-tertiary);
+    color: var(--text-primary);
+  }
+
+  .confirm-btn {
+    background: var(--accent-primary);
+    border: none;
+    color: white;
+  }
+
+  .confirm-btn:hover:not(:disabled) {
+    background: var(--accent-hover);
+  }
+
+  .confirm-btn:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+  }
+
+  .spinner {
+    animation: spin 1s linear infinite;
+  }
+
+  @keyframes spin {
+    to { transform: rotate(360deg); }
+  }
+</style>

src/lib/components/TrackRow.svelte

@@ -1,6 +1,6 @@
 <script lang="ts">
   import { onMount } from 'svelte';
-  import { Play, Pause, Heart, HardDrive } from 'lucide-svelte';
+  import { Play, Pause, Heart, HardDrive, AlertCircle } from 'lucide-svelte';
   import TrackMenu from './TrackMenu.svelte';
   import DownloadButton from './DownloadButton.svelte';
   import {
@@ -24,6 +24,8 @@
     quality?: string;
     isPlaying?: boolean;
     isLocal?: boolean; // Whether this is a local library track
+    isUnavailable?: boolean; // Track removed from Qobuz or otherwise unavailable
+    unavailableTooltip?: string; // Tooltip for unavailable indicator
     isFavoriteOverride?: boolean; // Optional override for favorite state
     downloadStatus?: OfflineCacheStatus;
     downloadProgress?: number;
@@ -46,6 +48,7 @@
     onPlayLater?: () => void;
     onAddToPlaylist?: () => void;
     onRemoveFromPlaylist?: () => void;
+    onFindReplacement?: () => void;
     onShareQobuz?: () => void;
     onShareSonglink?: () => void;
     onGoToAlbum?: () => void;
@@ -67,6 +70,8 @@
     quality,
     isPlaying = false,
     isLocal = false,
+    isUnavailable = false,
+    unavailableTooltip,
     isFavoriteOverride,
     downloadStatus = 'none',
     downloadProgress = 0,
@@ -141,9 +146,13 @@
   tabindex="0"
   onkeydown={(e) => e.key === 'Enter' && onPlay?.()}
 >
-  <!-- Track Number / Play Button -->
-  <div class="track-number">
-    {#if isPlaying}
+  <!-- Track Number / Play Button / Unavailable Indicator -->
+  <div class="track-number" class:unavailable={isUnavailable}>
+    {#if isUnavailable}
+      <span class="unavailable-icon" title={unavailableTooltip}>
+        <AlertCircle size={16} />
+      </span>
+    {:else if isPlaying}
       {#if isHovered}
         <button class="pause-btn" type="button" onclick={handlePauseClick} aria-label="Pause">
           <Pause size={16} class="pause-icon" />
@@ -204,10 +213,10 @@
   <!-- Quality (always render to maintain column alignment) -->
   <div class="track-quality">{quality ?? ''}</div>
 
-  <!-- Favorite Button (placeholder for local tracks to maintain column width) -->
-  {#if isLocal}
+  <!-- Favorite Button (placeholder for local tracks or hidden to maintain column width) -->
+  {#if isLocal || hideFavorite}
     <div class="favorite-placeholder"></div>
-  {:else if !hideFavorite}
+  {:else}
     <button
       type="button"
       class="favorite-btn"
@@ -225,12 +234,14 @@
     </button>
   {/if}
 
-  <!-- Download Indicator / Local Indicator -->
+  <!-- Download Indicator / Local Indicator (placeholder when hidden to maintain column width) -->
   {#if isLocal}
     <div class="local-indicator" title="Local track - only available on this device">
       <HardDrive size={14} />
     </div>
-  {:else if !hideDownload}
+  {:else if hideDownload}
+    <div class="download-placeholder"></div>
+  {:else}
     <div class="download-indicator" class:has-download={downloadStatus !== 'none'}>
       <DownloadButton
         status={downloadStatus}
@@ -252,6 +263,7 @@
       onAddFavorite={trackId !== undefined ? () => toggleTrackFavorite(trackId) : undefined}
       onAddToPlaylist={menuActions?.onAddToPlaylist}
       onRemoveFromPlaylist={menuActions?.onRemoveFromPlaylist}
+      onFindReplacement={menuActions?.onFindReplacement}
       onShareQobuz={menuActions?.onShareQobuz}
       onShareSonglink={menuActions?.onShareSonglink}
       onGoToAlbum={menuActions?.onGoToAlbum}
@@ -310,6 +322,18 @@
     color: #666666;
   }
 
+  .track-number.unavailable {
+    color: var(--error-color, #ef4444);
+  }
+
+  .unavailable-icon {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    color: var(--error-color, #ef4444);
+    cursor: help;
+  }
+
   .track-number :global(.play-icon) {
     color: white;
   }
@@ -468,6 +492,11 @@
     opacity: 0.6;
   }
 
+  .download-placeholder {
+    width: 28px;
+    height: 28px;
+  }
+
   .favorite-btn {
     display: flex;
     align-items: center;

src/lib/components/views/PlaylistDetailView.svelte

@@ -3,6 +3,7 @@
   import AlbumMenu from '../AlbumMenu.svelte';
   import PlaylistCollage from '../PlaylistCollage.svelte';
   import PlaylistModal from '../PlaylistModal.svelte';
+  import TrackReplacementModal from '../TrackReplacementModal.svelte';
   import ViewTransition from '../ViewTransition.svelte';
   import { writeText } from '@tauri-apps/plugin-clipboard-manager';
   import { invoke } from '@tauri-apps/api/core';
@@ -17,6 +18,8 @@
     type OfflineStatus
   } from '$lib/stores/offlineStore';
   import { consumeContextTrackFocus, setPlaybackContext } from '$lib/stores/playbackContextStore';
+  import { isTrackUnavailable, clearTrackUnavailable, subscribe as subscribeUnavailable } from '$lib/stores/unavailableTracksStore';
+  import { showToast } from '$lib/stores/toastStore';
   import { t } from '$lib/i18n';
   import { onMount, tick } from 'svelte';
 
@@ -37,6 +40,7 @@
     maximum_sampling_rate?: number;
     isrc?: string;
     playlist_track_id?: number; // Qobuz playlist-specific ID for removal
+    streamable?: boolean; // Whether track is available on Qobuz (false = removed)
   }
 
   interface Playlist {
@@ -73,6 +77,7 @@
     label?: string;           // Record label name from Qobuz
     addedIndex?: number;      // Original position in playlist (proxy for date added)
     customPosition?: number;  // User-defined position for custom arrange mode
+    streamable?: boolean;     // Whether track is available on Qobuz (false = removed)
   }
 
   // Local library track from backend
@@ -214,6 +219,9 @@
   let offlineStatus = $state<OfflineStatus>(getOfflineStatus());
   let tracksWithLocalCopies = $state<Set<number>>(new Set());
 
+  // Track unavailable state version (increments to force re-render)
+  let unavailableVersion = $state(0);
+
   // Local settings state
   let searchQuery = $state('');
   let sortBy = $state<SortField>('default');
@@ -244,6 +252,10 @@
   let isCopying = $state(false);
   let isCopied = $state(false);
 
+  // Track replacement modal state
+  let replacementModalOpen = $state(false);
+  let trackToReplace = $state<DisplayTrack | null>(null);
+
   // Track copied playlists in localStorage
   const COPIED_PLAYLISTS_KEY = 'qbz_copied_playlists';
 
@@ -285,14 +297,23 @@
       console.warn('Failed to get current user ID:', err);
     });
 
-    const unsubscribe = subscribeOffline(() => {
+    const unsubscribeOffline = subscribeOffline(() => {
       offlineStatus = getOfflineStatus();
       // Re-check local copies when offline status changes
       if (offlineStatus.isOffline && tracks.length > 0) {
         checkTracksLocalStatus();
       }
     });
-    return unsubscribe;
+
+    // Subscribe to unavailable tracks store
+    const unsubscribeUnavailable = subscribeUnavailable(() => {
+      unavailableVersion++;
+    });
+
+    return () => {
+      unsubscribeOffline();
+      unsubscribeUnavailable();
+    };
   });
 
   // Check if this playlist was already copied when playlistId changes
@@ -308,10 +329,26 @@
     }
   });
 
-  // Check if a track is available (has local copy when offline, always available when online)
+  // Check if a track was removed from Qobuz (streamable: false or marked in unavailable store)
+  function isTrackRemovedFromQobuz(track: DisplayTrack): boolean {
+    if (track.isLocal) return false;
+    // Check API streamable flag
+    if (track.streamable === false) return true;
+    // Check local unavailable store (marked during playback errors)
+    // Reference unavailableVersion to trigger reactivity
+    void unavailableVersion;
+    return isTrackUnavailable(track.id);
+  }
+
+  // Check if a track is available (has local copy when offline, always available when online, unless removed from Qobuz)
   function isTrackAvailable(track: DisplayTrack): boolean {
+    // Tracks removed from Qobuz are never available
+    if (isTrackRemovedFromQobuz(track)) return false;
+    // When online, Qobuz tracks are available
     if (!offlineStatus.isOffline) return true;
-    if (track.isLocal) return true; // Local tracks are always available
+    // Local tracks are always available
+    if (track.isLocal) return true;
+    // When offline, check if we have a local copy
     return tracksWithLocalCopies.has(track.id);
   }
 
@@ -494,6 +531,7 @@
             playlistTrackId: t.playlist_track_id,
             label: t.album?.label?.name,
             addedIndex: idx,
+            streamable: t.streamable,
           }));
         }
       }
@@ -1203,6 +1241,95 @@
     }
   }
 
+  // Open replacement modal for an unavailable track
+  function openReplacementModal(track: DisplayTrack) {
+    trackToReplace = track;
+    replacementModalOpen = true;
+  }
+
+  // Handle track replacement selection
+  interface ReplacementTrack {
+    id: number;
+    title: string;
+    duration: number;
+    performer?: { id?: number; name: string };
+    album?: {
+      id: string;
+      title: string;
+      image?: { small?: string; thumbnail?: string; large?: string };
+    };
+    hires: boolean;
+    maximum_bit_depth?: number;
+    maximum_sampling_rate?: number;
+  }
+
+  async function handleTrackReplacement(newTrack: ReplacementTrack) {
+    if (!trackToReplace || !trackToReplace.playlistTrackId) {
+      console.error('No track to replace or missing playlist_track_id');
+      return;
+    }
+
+    try {
+      // Get the current position of the track being replaced
+      const currentIndex = displayTracks.findIndex(t => t.id === trackToReplace!.id);
+
+      // Remove the old track
+      await invoke('remove_tracks_from_playlist', {
+        playlistId,
+        playlistTrackIds: [trackToReplace.playlistTrackId]
+      });
+
+      // Add the new track
+      await invoke('add_tracks_to_playlist', {
+        playlistId,
+        trackIds: [newTrack.id]
+      });
+
+      // Clear the unavailable status for the old track (if it was in the store)
+      clearTrackUnavailable(trackToReplace.id);
+
+      // Reload the playlist to get updated data
+      await loadPlaylist();
+      notifyParentOfCounts();
+      onPlaylistUpdated?.();
+
+      // Show success message
+      showToast($t('playlist.trackReplaced'), 'success');
+
+      // Close modal
+      replacementModalOpen = false;
+      trackToReplace = null;
+
+      console.log(`[Playlist] Track replaced: ${trackToReplace?.title} -> ${newTrack.title} at position ${currentIndex}`);
+    } catch (err) {
+      console.error('Failed to replace track:', err);
+      showToast($t('playlist.trackReplaceFailed'), 'error');
+    }
+  }
+
+  // Preview a replacement track
+  function handlePreviewReplacement(track: ReplacementTrack) {
+    if (!onTrackPlay) return;
+
+    const displayTrack: DisplayTrack = {
+      id: track.id,
+      number: 0,
+      title: track.title,
+      artist: track.performer?.name,
+      album: track.album?.title,
+      albumArt: track.album?.image?.large || track.album?.image?.thumbnail,
+      albumId: track.album?.id,
+      artistId: track.performer?.id,
+      duration: formatDuration(track.duration),
+      durationSeconds: track.duration,
+      hires: track.hires,
+      bitDepth: track.maximum_bit_depth,
+      samplingRate: track.maximum_sampling_rate
+    };
+
+    onTrackPlay(displayTrack);
+  }
+
   // Add a suggested track to the playlist
   async function handleAddSuggestedTrack(suggestedTrack: import('$lib/services/playlistSuggestionsService').SuggestedTrack) {
     try {
@@ -1635,14 +1762,16 @@
         )}
         {@const isTrackPlaying = isActiveTrack && isPlaybackActive}
         {@const available = isTrackAvailable(track)}
+        {@const removedFromQobuz = isTrackRemovedFromQobuz(track)}
         <div
           class="track-row-wrapper"
           class:unavailable={!available}
+          class:removed-from-qobuz={removedFromQobuz}
           class:custom-order-mode={isCustomOrderMode}
           class:dragging={draggedTrackIdx === idx}
           class:drag-over={dragOverIdx === idx && draggedTrackIdx !== idx}
-          title={!available ? $t('offline.trackNotAvailable') : undefined}
-          draggable={isCustomOrderMode}
+          title={removedFromQobuz ? $t('player.trackUnavailable') : (!available ? $t('offline.trackNotAvailable') : undefined)}
+          draggable={isCustomOrderMode && !removedFromQobuz}
           ondragstart={(e) => handleDragStart(e, idx)}
           ondragover={(e) => handleDragOver(e, idx)}
           ondragleave={handleDragLeave}
@@ -1694,14 +1823,20 @@
                 : '-'}
             isPlaying={isTrackPlaying}
             isLocal={track.isLocal}
-            hideFavorite={track.isLocal}
-            hideDownload={track.isLocal}
+            isUnavailable={removedFromQobuz && isOwnPlaylist}
+            unavailableTooltip={removedFromQobuz ? $t('player.trackUnavailable') : undefined}
+            hideFavorite={track.isLocal || removedFromQobuz}
+            hideDownload={track.isLocal || removedFromQobuz}
             downloadStatus={downloadInfo.status}
             downloadProgress={downloadInfo.progress}
             onPlay={available ? () => handleTrackClick(track, idx) : undefined}
             onDownload={available && !track.isLocal && onTrackDownload ? () => onTrackDownload(track) : undefined}
             onRemoveDownload={available && !track.isLocal && onTrackRemoveDownload ? () => onTrackRemoveDownload(track.id) : undefined}
-            menuActions={available ? {
+            menuActions={removedFromQobuz ? (isOwnPlaylist ? {
+              // Only allow remove from playlist and find replacement for tracks removed from Qobuz (owned playlists only)
+              onRemoveFromPlaylist: () => removeTrackFromPlaylist(track),
+              onFindReplacement: () => openReplacementModal(track)
+            } : {}) : available ? {
               onPlayNow: () => handleTrackClick(track, idx),
               onPlayNext: track.isLocal ? () => handleTrackPlayNext(track) : (onTrackPlayNext ? () => onTrackPlayNext(track) : undefined),
               onPlayLater: track.isLocal ? () => handleTrackPlayLater(track) : (onTrackPlayLater ? () => onTrackPlayLater(track) : undefined),
@@ -1761,6 +1896,16 @@
   />
 {/if}
 
+<!-- Track Replacement Modal -->
+<TrackReplacementModal
+  isOpen={replacementModalOpen}
+  trackTitle={trackToReplace?.title ?? ''}
+  trackArtist={trackToReplace?.artist}
+  onClose={() => { replacementModalOpen = false; trackToReplace = null; }}
+  onSelect={handleTrackReplacement}
+  onPreview={handlePreviewReplacement}
+/>
+
 <style>
   .playlist-detail {
     padding: 24px;
@@ -2312,6 +2457,23 @@
     filter: grayscale(100%);
   }
 
+  /* Track removed from Qobuz - allow limited interactions (remove from playlist) */
+  .track-row-wrapper.removed-from-qobuz {
+    opacity: 0.5;
+    /* Keep wrapper interactive for context menu */
+    pointer-events: auto;
+  }
+
+  .track-row-wrapper.removed-from-qobuz :global(.track-row) {
+    filter: grayscale(100%);
+  }
+
+  /* Disable play hover effect for removed tracks */
+  .track-row-wrapper.removed-from-qobuz :global(.track-row .track-number),
+  .track-row-wrapper.removed-from-qobuz :global(.track-row .play-button) {
+    pointer-events: none;
+  }
+
   /* Custom order mode */
   .track-row-wrapper.custom-order-mode {
     padding-left: 0;

src/lib/i18n/locales/en.json

@@ -194,7 +194,20 @@
     "private": "Private",
     "import": "Import",
     "manage": "Manage playlists",
-    "allHidden": "All playlists are hidden"
+    "allHidden": "All playlists are hidden",
+    "findReplacement": "Find Available Version",
+    "searchingFor": "Searching for",
+    "noReplacementsFound": "No available versions found",
+    "tryDifferentSearch": "Try a different search query",
+    "searchToFindReplacement": "Search to find a replacement track",
+    "replaceTrack": "Replace Track",
+    "lookForAvailableVersion": "Look for available version",
+    "trackReplaced": "Track replaced successfully",
+    "trackReplaceFailed": "Failed to replace track",
+    "searchButton": "Search",
+    "cancel": "Cancel",
+    "loading": "Searching...",
+    "preview": "Preview"
   },
   "sort": {
     "nameAZ": "Name (A-Z)",
@@ -253,6 +266,7 @@
     "lyrics": "Lyrics",
     "noLyrics": "No lyrics available",
     "fetchingLyrics": "Fetching lyrics...",
+"trackUnavailable": "Track no longer available in Qobuz library",
     "credits": "Credits",
     "trackInfo": "Track Info",
     "suggestions": "Suggestions",

src/lib/i18n/locales/es.json

@@ -194,7 +194,20 @@
     "private": "Privada",
     "import": "Importar",
     "manage": "Administrar listas",
-    "allHidden": "Todas las listas están ocultas"
+    "allHidden": "Todas las listas están ocultas",
+    "findReplacement": "Buscar Versión Disponible",
+    "searchingFor": "Buscando",
+    "noReplacementsFound": "No se encontraron versiones disponibles",
+    "tryDifferentSearch": "Intenta con otra búsqueda",
+    "searchToFindReplacement": "Busca para encontrar un reemplazo",
+    "replaceTrack": "Reemplazar Pista",
+    "lookForAvailableVersion": "Buscar versión disponible",
+    "trackReplaced": "Pista reemplazada exitosamente",
+    "trackReplaceFailed": "Error al reemplazar pista",
+    "searchButton": "Buscar",
+    "cancel": "Cancelar",
+    "loading": "Buscando...",
+    "preview": "Vista previa"
   },
   "sort": {
     "nameAZ": "Nombre (A-Z)",
@@ -253,6 +266,7 @@
     "lyrics": "Letras",
     "noLyrics": "No hay letras disponibles",
     "fetchingLyrics": "Buscando letras...",
+"trackUnavailable": "Pista ya no disponible en la biblioteca de Qobuz",
     "credits": "Créditos",
     "trackInfo": "Info de Pista",
     "suggestions": "Sugerencias",

src/lib/services/playbackService.ts

@@ -25,7 +25,8 @@ import {
   setIsFavorite,
   type PlayingTrack
 } from '$lib/stores/playerStore';
-import { syncQueueState } from '$lib/stores/queueStore';
+import { syncQueueState, nextTrack } from '$lib/stores/queueStore';
+import { markTrackUnavailable } from '$lib/stores/unavailableTracksStore';
 import { logRecoEvent } from '$lib/services/recoService';
 import {
   isCasting,
@@ -199,6 +200,39 @@ export async function playTrack(
   } catch (err) {
     console.error('Failed to play track:', err);
     dismissBuffering();
+
+    // Check if track is unavailable on Qobuz
+    const errorStr = String(err);
+    if (errorStr.includes('no longer available') || errorStr.includes('TrackUnavailable')) {
+      // Mark track as unavailable for future reference
+      markTrackUnavailable(track.id);
+      showToast(`"${track.title}" is no longer available`, 'error');
+
+      // Auto-skip to next track
+      const next = await nextTrack();
+      if (next) {
+        console.log('Auto-skipping to next track:', next.title);
+        // Small delay to let the toast be visible
+        setTimeout(() => {
+          playTrack({
+            id: next.id,
+            title: next.title,
+            artist: next.artist,
+            album: next.album,
+            duration: next.duration_secs,
+            artwork: next.artwork_url || undefined,
+            albumId: next.album_id || undefined,
+            artistId: next.artist_id || undefined,
+            bitDepth: next.bit_depth || undefined,
+            samplingRate: next.sample_rate || undefined
+          }, { showLoadingToast: true, showSuccessToast: true });
+        }, 500);
+      } else {
+        setIsPlaying(false);
+      }
+      return false;
+    }
+
     showToast(`Playback error: ${err}`, 'error');
     setIsPlaying(false);
     return false;

src/lib/stores/unavailableTracksStore.ts

@@ -0,0 +1,103 @@
+/**
+ * Unavailable Tracks Store
+ *
+ * Tracks which tracks have been detected as unavailable on Qobuz.
+ * Persists to localStorage so tracks remain marked after app restart.
+ */
+
+const STORAGE_KEY = 'qbz-unavailable-tracks';
+
+// In-memory set of unavailable track IDs
+let unavailableTrackIds: Set<number> = new Set();
+
+// Subscribers for reactivity
+type Subscriber = () => void;
+const subscribers: Set<Subscriber> = new Set();
+
+function notifySubscribers() {
+  subscribers.forEach(fn => fn());
+}
+
+/**
+ * Load unavailable tracks from localStorage
+ */
+export function loadUnavailableTracks(): void {
+  try {
+    const stored = localStorage.getItem(STORAGE_KEY);
+    if (stored) {
+      const ids = JSON.parse(stored) as number[];
+      unavailableTrackIds = new Set(ids);
+      console.log(`[UnavailableTracks] Loaded ${unavailableTrackIds.size} unavailable tracks from storage`);
+    }
+  } catch (err) {
+    console.error('[UnavailableTracks] Failed to load from storage:', err);
+    unavailableTrackIds = new Set();
+  }
+}
+
+/**
+ * Save unavailable tracks to localStorage
+ */
+function saveToStorage(): void {
+  try {
+    const ids = Array.from(unavailableTrackIds);
+    localStorage.setItem(STORAGE_KEY, JSON.stringify(ids));
+  } catch (err) {
+    console.error('[UnavailableTracks] Failed to save to storage:', err);
+  }
+}
+
+/**
+ * Mark a track as unavailable
+ */
+export function markTrackUnavailable(trackId: number): void {
+  if (!unavailableTrackIds.has(trackId)) {
+    unavailableTrackIds.add(trackId);
+    saveToStorage();
+    notifySubscribers();
+    console.log(`[UnavailableTracks] Marked track ${trackId} as unavailable`);
+  }
+}
+
+/**
+ * Check if a track is known to be unavailable
+ */
+export function isTrackUnavailable(trackId: number): boolean {
+  return unavailableTrackIds.has(trackId);
+}
+
+/**
+ * Remove a track from the unavailable list (e.g., when removed from library)
+ */
+export function clearTrackUnavailable(trackId: number): void {
+  if (unavailableTrackIds.has(trackId)) {
+    unavailableTrackIds.delete(trackId);
+    saveToStorage();
+    notifySubscribers();
+    console.log(`[UnavailableTracks] Cleared unavailable status for track ${trackId}`);
+  }
+}
+
+/**
+ * Get all unavailable track IDs
+ */
+export function getUnavailableTrackIds(): Set<number> {
+  return new Set(unavailableTrackIds);
+}
+
+/**
+ * Subscribe to changes in unavailable tracks
+ */
+export function subscribe(fn: Subscriber): () => void {
+  subscribers.add(fn);
+  return () => subscribers.delete(fn);
+}
+
+/**
+ * Clear all unavailable tracks (for testing/reset)
+ */
+export function clearAll(): void {
+  unavailableTrackIds.clear();
+  saveToStorage();
+  notifySubscribers();
+}