discover progress

core/personalized_playlists.py

@@ -323,6 +323,103 @@ class PersonalizedPlaylistsService:
             logger.error(f"Error getting hidden gems: {e}")
             return []
 
+    def get_discovery_shuffle(self, limit: int = 50) -> List[Dict]:
+        """
+        Get random tracks from discovery pool - pure exploration.
+
+        Different every time you call it!
+        """
+        try:
+            with self.database._get_connection() as conn:
+                cursor = conn.cursor()
+
+                cursor.execute("""
+                    SELECT
+                        spotify_track_id,
+                        track_name,
+                        artist_name,
+                        album_name,
+                        album_cover_url,
+                        duration_ms,
+                        popularity
+                    FROM discovery_pool
+                    ORDER BY RANDOM()
+                    LIMIT ?
+                """, (limit,))
+
+                rows = cursor.fetchall()
+                return [dict(row) for row in rows]
+
+        except Exception as e:
+            logger.error(f"Error getting discovery shuffle: {e}")
+            return []
+
+    def get_familiar_favorites(self, limit: int = 50) -> List[Dict]:
+        """
+        Get tracks with medium play counts (3-15 plays) - your reliable go-tos.
+
+        Not overplayed, not rare - just right!
+        """
+        try:
+            with self.database._get_connection() as conn:
+                cursor = conn.cursor()
+
+                # Check if play_count exists
+                cursor.execute("PRAGMA table_info(tracks)")
+                columns = [row['name'] for row in cursor.fetchall()]
+
+                if 'play_count' not in columns:
+                    logger.warning("play_count column not found - using random older tracks")
+                    # Fallback: tracks added 30-90 days ago
+                    thirty_days_ago = (datetime.now() - timedelta(days=30)).isoformat()
+                    ninety_days_ago = (datetime.now() - timedelta(days=90)).isoformat()
+
+                    cursor.execute("""
+                        SELECT
+                            t.id,
+                            t.spotify_track_id,
+                            t.title as track_name,
+                            t.duration_ms,
+                            ar.name as artist_name,
+                            al.title as album_name,
+                            al.cover_url as album_cover_url,
+                            t.popularity
+                        FROM tracks t
+                        LEFT JOIN artists ar ON t.artist_id = ar.id
+                        LEFT JOIN albums al ON t.album_id = al.id
+                        WHERE t.spotify_track_id IS NOT NULL
+                          AND t.date_added BETWEEN ? AND ?
+                        ORDER BY RANDOM()
+                        LIMIT ?
+                    """, (ninety_days_ago, thirty_days_ago, limit))
+                else:
+                    cursor.execute("""
+                        SELECT
+                            t.id,
+                            t.spotify_track_id,
+                            t.title as track_name,
+                            t.duration_ms,
+                            ar.name as artist_name,
+                            al.title as album_name,
+                            al.cover_url as album_cover_url,
+                            t.popularity,
+                            t.play_count
+                        FROM tracks t
+                        LEFT JOIN artists ar ON t.artist_id = ar.id
+                        LEFT JOIN albums al ON t.album_id = al.id
+                        WHERE t.spotify_track_id IS NOT NULL
+                          AND t.play_count BETWEEN 3 AND 15
+                        ORDER BY t.play_count DESC, RANDOM()
+                        LIMIT ?
+                    """, (limit,))
+
+                rows = cursor.fetchall()
+                return [dict(row) for row in rows]
+
+        except Exception as e:
+            logger.error(f"Error getting familiar favorites: {e}")
+            return []
+
     # ========================================
     # DAILY MIX (HYBRID PLAYLISTS)
     # ========================================
@@ -531,6 +628,156 @@ class PersonalizedPlaylistsService:
             logger.error(f"Error getting all daily mixes: {e}")
             return []
 
+    # ========================================
+    # BUILD A PLAYLIST (CUSTOM GENERATOR)
+    # ========================================
+
+    def build_custom_playlist(self, seed_artist_ids: List[str], playlist_size: int = 50) -> Dict[str, Any]:
+        """
+        Build a custom playlist from seed artists.
+
+        Process:
+        1. Get similar artists for each seed artist (max 25 total)
+        2. Get albums from those similar artists
+        3. Select 20 random albums
+        4. Build playlist from tracks in those albums (max 50 tracks)
+
+        Args:
+            seed_artist_ids: List of 1-5 Spotify artist IDs
+            playlist_size: Maximum tracks in final playlist (default: 50)
+
+        Returns:
+            Dict with playlist metadata and tracks
+        """
+        try:
+            if not seed_artist_ids or len(seed_artist_ids) > 5:
+                logger.error(f"Invalid seed artists count: {len(seed_artist_ids)}")
+                return {'tracks': [], 'error': 'Must provide 1-5 seed artists'}
+
+            if not self.spotify_client or not self.spotify_client.is_authenticated():
+                logger.error("Spotify client not available")
+                return {'tracks': [], 'error': 'Spotify not authenticated'}
+
+            logger.info(f"Building custom playlist from {len(seed_artist_ids)} seed artists")
+
+            # Step 1: Get similar artists for each seed
+            all_similar_artists = []
+            seen_artist_ids = set(seed_artist_ids)  # Don't include seed artists themselves
+
+            for seed_artist_id in seed_artist_ids:
+                try:
+                    # Get similar artists from Spotify
+                    similar = self.spotify_client.get_similar_artists(seed_artist_id)
+
+                    if similar:
+                        for artist in similar[:10]:  # Max 10 per seed
+                            if artist.id not in seen_artist_ids:
+                                all_similar_artists.append(artist)
+                                seen_artist_ids.add(artist.id)
+
+                                if len(all_similar_artists) >= 25:
+                                    break
+
+                    if len(all_similar_artists) >= 25:
+                        break
+
+                except Exception as e:
+                    logger.warning(f"Error getting similar artists for {seed_artist_id}: {e}")
+                    continue
+
+            logger.info(f"Found {len(all_similar_artists)} similar artists")
+
+            if not all_similar_artists:
+                return {'tracks': [], 'error': 'No similar artists found'}
+
+            # Limit to 25 similar artists
+            similar_artists_to_use = all_similar_artists[:25]
+
+            # Step 2: Get albums from similar artists
+            all_albums = []
+            for artist in similar_artists_to_use:
+                try:
+                    albums = self.spotify_client.get_artist_albums(
+                        artist.id,
+                        album_type='album,single',
+                        limit=10
+                    )
+
+                    if albums:
+                        all_albums.extend(albums)
+
+                    import time
+                    time.sleep(0.3)  # Rate limiting
+
+                except Exception as e:
+                    logger.warning(f"Error getting albums for {artist.name}: {e}")
+                    continue
+
+            logger.info(f"Found {len(all_albums)} total albums")
+
+            if not all_albums:
+                return {'tracks': [], 'error': 'No albums found'}
+
+            # Step 3: Select 20 random albums
+            random.shuffle(all_albums)
+            selected_albums = all_albums[:20]
+
+            logger.info(f"Selected {len(selected_albums)} random albums")
+
+            # Step 4: Build playlist from tracks in those albums
+            all_tracks = []
+            for album in selected_albums:
+                try:
+                    album_data = self.spotify_client.get_album(album.id)
+
+                    if album_data and 'tracks' in album_data:
+                        tracks = album_data['tracks'].get('items', [])
+
+                        for track in tracks:
+                            if track['id']:
+                                all_tracks.append({
+                                    'spotify_track_id': track['id'],
+                                    'track_name': track['name'],
+                                    'artist_name': ', '.join([a['name'] for a in track.get('artists', [])]),
+                                    'album_name': album_data.get('name', 'Unknown'),
+                                    'album_cover_url': album_data.get('images', [{}])[0].get('url') if album_data.get('images') else None,
+                                    'duration_ms': track.get('duration_ms', 0),
+                                    'popularity': album_data.get('popularity', 0)
+                                })
+
+                    import time
+                    time.sleep(0.3)  # Rate limiting
+
+                except Exception as e:
+                    logger.warning(f"Error getting tracks from album: {e}")
+                    continue
+
+            logger.info(f"Collected {len(all_tracks)} total tracks")
+
+            if not all_tracks:
+                return {'tracks': [], 'error': 'No tracks found'}
+
+            # Shuffle and limit to playlist_size
+            random.shuffle(all_tracks)
+            final_tracks = all_tracks[:playlist_size]
+
+            logger.info(f"Built custom playlist with {len(final_tracks)} tracks")
+
+            return {
+                'name': 'Custom Playlist',
+                'description': f'Built from {len(seed_artist_ids)} seed artists',
+                'track_count': len(final_tracks),
+                'tracks': final_tracks,
+                'similar_artists_count': len(similar_artists_to_use),
+                'albums_used': len(selected_albums)
+            }
+
+        except Exception as e:
+            logger.error(f"Error building custom playlist: {e}")
+            import traceback
+            traceback.print_exc()
+            return {'tracks': [], 'error': str(e)}
+
 
 # Singleton instance
 _personalized_playlists_instance = None

core/seasonal_discovery.py

@@ -622,10 +622,12 @@ class SeasonalDiscoveryService:
                     album_data = self.spotify_client.get_album(album['spotify_album_id'])
                     if album_data and 'tracks' in album_data:
                         for track in album_data['tracks'].get('items', []):
+                            # Use track's actual artist, not album artist
+                            track_artist = track['artists'][0]['name'] if track.get('artists') else album['artist_name']
                             all_tracks.append({
                                 'spotify_track_id': track['id'],
                                 'track_name': track['name'],
-                                'artist_name': album['artist_name'],
+                                'artist_name': track_artist,
                                 'album_name': album['album_name'],
                                 'popularity': album.get('popularity', 50)
                             })

web_server.py

@@ -15007,6 +15007,109 @@ def get_daily_mixes():
         traceback.print_exc()
         return jsonify({"success": False, "error": str(e)}), 500
 
+@app.route('/api/discover/personalized/discovery-shuffle', methods=['GET'])
+def get_discovery_shuffle():
+    """Get Discovery Shuffle playlist - random tracks from discovery pool"""
+    try:
+        from core.personalized_playlists import get_personalized_playlists_service
+
+        database = get_database()
+        service = get_personalized_playlists_service(database, spotify_client)
+
+        limit = int(request.args.get('limit', 50))
+        tracks = service.get_discovery_shuffle(limit=limit)
+
+        return jsonify({
+            "success": True,
+            "tracks": tracks
+        })
+
+    except Exception as e:
+        print(f"Error getting discovery shuffle playlist: {e}")
+        return jsonify({"success": False, "error": str(e)}), 500
+
+@app.route('/api/discover/personalized/familiar-favorites', methods=['GET'])
+def get_familiar_favorites():
+    """Get Familiar Favorites playlist - reliable go-to tracks"""
+    try:
+        from core.personalized_playlists import get_personalized_playlists_service
+
+        database = get_database()
+        service = get_personalized_playlists_service(database, spotify_client)
+
+        limit = int(request.args.get('limit', 50))
+        tracks = service.get_familiar_favorites(limit=limit)
+
+        return jsonify({
+            "success": True,
+            "tracks": tracks
+        })
+
+    except Exception as e:
+        print(f"Error getting familiar favorites playlist: {e}")
+        return jsonify({"success": False, "error": str(e)}), 500
+
+@app.route('/api/discover/build-playlist/search-artists', methods=['GET'])
+def search_artists_for_playlist():
+    """Search for artists to use as seeds for custom playlist building"""
+    try:
+        query = request.args.get('query', '').strip()
+        if not query:
+            return jsonify({"success": False, "error": "Query required"}), 400
+
+        # Search Spotify for artists
+        results = spotify_client.sp.search(q=query, type='artist', limit=10)
+
+        artists = []
+        if results and 'artists' in results and 'items' in results['artists']:
+            for artist in results['artists']['items']:
+                artists.append({
+                    'id': artist['id'],
+                    'name': artist['name'],
+                    'image_url': artist['images'][0]['url'] if artist.get('images') else None
+                })
+
+        return jsonify({
+            "success": True,
+            "artists": artists
+        })
+
+    except Exception as e:
+        print(f"Error searching for artists: {e}")
+        return jsonify({"success": False, "error": str(e)}), 500
+
+@app.route('/api/discover/build-playlist/generate', methods=['POST'])
+def generate_custom_playlist():
+    """Generate custom playlist from seed artists"""
+    try:
+        from core.personalized_playlists import get_personalized_playlists_service
+
+        data = request.get_json()
+        seed_artist_ids = data.get('seed_artist_ids', [])
+
+        if not seed_artist_ids or len(seed_artist_ids) < 1 or len(seed_artist_ids) > 5:
+            return jsonify({
+                "success": False,
+                "error": "Please provide between 1 and 5 seed artists"
+            }), 400
+
+        database = get_database()
+        service = get_personalized_playlists_service(database, spotify_client)
+
+        playlist_size = int(data.get('playlist_size', 50))
+        result = service.build_custom_playlist(seed_artist_ids, playlist_size=playlist_size)
+
+        return jsonify({
+            "success": True,
+            "playlist": result
+        })
+
+    except Exception as e:
+        print(f"Error generating custom playlist: {e}")
+        import traceback
+        traceback.print_exc()
+        return jsonify({"success": False, "error": str(e)}), 500
+
 @app.route('/api/metadata/start', methods=['POST'])
 def start_metadata_update():
     """Start the metadata update process - EXACT copy of dashboard.py logic"""

webui/index.html

@@ -1727,14 +1727,30 @@
                                 <p class="discover-section-subtitle" id="seasonal-playlist-subtitle">Curated seasonal playlist</p>
                             </div>
                             <div class="discover-section-actions">
-                                <button class="action-button secondary" onclick="openDownloadModalForSeasonalPlaylist()" title="Download missing tracks">
-                                    <span class="icon">📥</span> Download Missing
+                                <button class="action-button secondary" onclick="openDownloadModalForDiscoverPlaylist('seasonal_playlist', 'Seasonal Mix')" title="Download missing tracks">
+                                    <span class="button-icon">↓</span>
+                                    <span class="button-text">Download</span>
                                 </button>
-                                <button class="action-button secondary" onclick="syncSeasonalPlaylist()" title="Sync to library">
-                                    <span class="icon">🔄</span> Sync
+                                <button class="action-button primary" id="seasonal-playlist-sync-btn" onclick="startDiscoverPlaylistSync('seasonal_playlist', 'Seasonal Mix')" title="Sync to media server">
+                                    <span class="button-icon">⟳</span>
+                                    <span class="button-text">Sync</span>
                                 </button>
                             </div>
                         </div>
+                        <!-- Sync Status Display -->
+                        <div class="discover-sync-status" id="seasonal-playlist-sync-status" style="display: none;">
+                            <div class="sync-status-content">
+                                <div class="sync-status-label">
+                                    <span class="sync-icon">⟳</span>
+                                    <span class="sync-text">Syncing Seasonal Mix...</span>
+                                </div>
+                                <div class="sync-status-progress">
+                                    <div class="sync-progress-text">
+                                        <span id="seasonal-playlist-sync-progress">0/0 tracks</span>
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
                         <div class="discover-playlist-container compact" id="seasonal-playlist">
                             <!-- Content will be populated dynamically -->
                         </div>
@@ -1853,8 +1869,20 @@
                     <!-- Popular Picks Section -->
                     <div class="discover-section" style="display: none;">
                         <div class="discover-section-header">
-                            <h2 class="discover-section-title">🔥 Popular Picks</h2>
-                            <p class="discover-section-subtitle">Trending tracks from new discoveries</p>
+                            <div>
+                                <h2 class="discover-section-title">🔥 Popular Picks</h2>
+                                <p class="discover-section-subtitle">Trending tracks from new discoveries</p>
+                            </div>
+                            <div class="discover-section-actions">
+                                <button class="action-button secondary" onclick="openDownloadModalForDiscoverPlaylist('popular_picks', 'Popular Picks')" title="Download missing tracks">
+                                    <span class="button-icon">↓</span>
+                                    <span class="button-text">Download</span>
+                                </button>
+                                <button class="action-button primary" id="popular-picks-sync-btn" onclick="startDiscoverPlaylistSync('popular_picks', 'Popular Picks')" title="Sync to media server">
+                                    <span class="button-icon">⟳</span>
+                                    <span class="button-text">Sync</span>
+                                </button>
+                            </div>
                         </div>
                         <div class="discover-playlist-container compact" id="personalized-popular-picks">
                             <!-- Content will be populated dynamically -->
@@ -1864,8 +1892,20 @@
                     <!-- Hidden Gems Section -->
                     <div class="discover-section" style="display: none;">
                         <div class="discover-section-header">
-                            <h2 class="discover-section-title">🌟 Hidden Gems</h2>
-                            <p class="discover-section-subtitle">Underground discoveries waiting for you</p>
+                            <div>
+                                <h2 class="discover-section-title">🌟 Hidden Gems</h2>
+                                <p class="discover-section-subtitle">Underground discoveries waiting for you</p>
+                            </div>
+                            <div class="discover-section-actions">
+                                <button class="action-button secondary" onclick="openDownloadModalForDiscoverPlaylist('hidden_gems', 'Hidden Gems')" title="Download missing tracks">
+                                    <span class="button-icon">↓</span>
+                                    <span class="button-text">Download</span>
+                                </button>
+                                <button class="action-button primary" id="hidden-gems-sync-btn" onclick="startDiscoverPlaylistSync('hidden_gems', 'Hidden Gems')" title="Sync to media server">
+                                    <span class="button-icon">⟳</span>
+                                    <span class="button-text">Sync</span>
+                                </button>
+                            </div>
                         </div>
                         <div class="discover-playlist-container compact" id="personalized-hidden-gems">
                             <!-- Content will be populated dynamically -->
@@ -1894,6 +1934,102 @@
                         </div>
                     </div>
 
+                    <!-- Discovery Shuffle Section -->
+                    <div class="discover-section" style="display: none;">
+                        <div class="discover-section-header">
+                            <div>
+                                <h2 class="discover-section-title">🔀 Discovery Shuffle</h2>
+                                <p class="discover-section-subtitle">Random tracks from your discovery pool - different every time</p>
+                            </div>
+                            <div class="discover-section-actions">
+                                <button class="action-button secondary" onclick="openDownloadModalForDiscoverPlaylist('discovery_shuffle', 'Discovery Shuffle')" title="Download missing tracks">
+                                    <span class="button-icon">↓</span>
+                                    <span class="button-text">Download</span>
+                                </button>
+                                <button class="action-button primary" id="discovery-shuffle-sync-btn" onclick="startDiscoverPlaylistSync('discovery_shuffle', 'Discovery Shuffle')" title="Sync to media server">
+                                    <span class="button-icon">⟳</span>
+                                    <span class="button-text">Sync</span>
+                                </button>
+                            </div>
+                        </div>
+                        <div class="discover-playlist-container compact" id="personalized-discovery-shuffle">
+                            <!-- Content will be populated dynamically -->
+                        </div>
+                    </div>
+
+                    <!-- Familiar Favorites Section -->
+                    <div class="discover-section" style="display: none;">
+                        <div class="discover-section-header">
+                            <div>
+                                <h2 class="discover-section-title">❤️ Familiar Favorites</h2>
+                                <p class="discover-section-subtitle">Your reliable go-to tracks</p>
+                            </div>
+                            <div class="discover-section-actions">
+                                <button class="action-button secondary" onclick="openDownloadModalForDiscoverPlaylist('familiar_favorites', 'Familiar Favorites')" title="Download missing tracks">
+                                    <span class="button-icon">↓</span>
+                                    <span class="button-text">Download</span>
+                                </button>
+                                <button class="action-button primary" id="familiar-favorites-sync-btn" onclick="startDiscoverPlaylistSync('familiar_favorites', 'Familiar Favorites')" title="Sync to media server">
+                                    <span class="button-icon">⟳</span>
+                                    <span class="button-text">Sync</span>
+                                </button>
+                            </div>
+                        </div>
+                        <div class="discover-playlist-container compact" id="personalized-familiar-favorites">
+                            <!-- Content will be populated dynamically -->
+                        </div>
+                    </div>
+
+                    <!-- Build a Playlist Section -->
+                    <div class="discover-section">
+                        <div class="discover-section-header">
+                            <h2 class="discover-section-title">🎨 Build a Playlist</h2>
+                            <p class="discover-section-subtitle">Create a custom playlist from your favorite artists</p>
+                        </div>
+                        <div class="build-playlist-container">
+                            <!-- Artist Search -->
+                            <div class="build-playlist-search-section">
+                                <input
+                                    type="text"
+                                    id="build-playlist-search"
+                                    placeholder="Search for artists (1-5 artists)..."
+                                    oninput="searchBuildPlaylistArtists()"
+                                />
+                                <div id="build-playlist-search-results" class="build-playlist-search-results"></div>
+                            </div>
+
+                            <!-- Selected Artists -->
+                            <div class="build-playlist-selected-section">
+                                <h3>Selected Artists:</h3>
+                                <div id="build-playlist-selected-artists" class="build-playlist-selected-artists">
+                                    <div class="build-playlist-no-selection">No artists selected. Search and select 1-5 artists.</div>
+                                </div>
+                            </div>
+
+                            <!-- Generate Button -->
+                            <div class="build-playlist-actions">
+                                <button
+                                    id="build-playlist-generate-btn"
+                                    class="build-playlist-generate-btn"
+                                    onclick="generateBuildPlaylist()"
+                                    disabled
+                                    style="opacity: 0.5;"
+                                >
+                                    Generate Playlist (50 tracks)
+                                </button>
+                                <div id="build-playlist-loading" class="build-playlist-loading" style="display: none;">
+                                    <div class="loading-spinner"></div>
+                                    <p>Building your playlist...</p>
+                                </div>
+                            </div>
+
+                            <!-- Generated Playlist Results -->
+                            <div id="build-playlist-results" class="discover-playlist-container compact">
+                                <!-- Generated playlist will appear here -->
+                            </div>
+                        </div>
+                    </div>
+
                     <!-- More Playlists Section -->
                     <div class="discover-section">
                         <div class="discover-section-header">

webui/static/script.js

@@ -24715,6 +24715,9 @@ let personalizedForgottenFavorites = [];
 let personalizedPopularPicks = [];
 let personalizedHiddenGems = [];
 let personalizedDailyMixes = [];
+let personalizedDiscoveryShuffle = [];
+let personalizedFamiliarFavorites = [];
+let buildPlaylistSelectedArtists = [];
 
 async function loadDiscoverPage() {
     console.log('Loading discover page...');
@@ -24732,6 +24735,8 @@ async function loadDiscoverPage() {
         loadPersonalizedHiddenGems(),  // NEW: Hidden gems from discovery pool
         loadPersonalizedTopTracks(),  // NEW: Your top tracks
         loadPersonalizedForgottenFavorites(),  // NEW: Forgotten favorites
+        loadDiscoveryShuffle(),  // NEW: Discovery Shuffle
+        loadFamiliarFavorites(),  // NEW: Familiar Favorites
         loadMoreForYou()
     ]);
 
@@ -24799,6 +24804,33 @@ async function checkForActiveDiscoverSyncs() {
     } catch (error) {
         // Sync not active, ignore
     }
+
+    // Check if Seasonal Playlist sync is active
+    try {
+        const seasonalResponse = await fetch('/api/sync/status/discover_seasonal_playlist');
+        if (seasonalResponse.ok) {
+            const data = await seasonalResponse.json();
+            if (data.status === 'syncing' || data.status === 'starting') {
+                console.log('🔄 Resuming Seasonal Playlist sync polling after page refresh');
+
+                const statusDisplay = document.getElementById('seasonal-playlist-sync-status');
+                if (statusDisplay) {
+                    statusDisplay.style.display = 'block';
+                }
+
+                const syncButton = document.getElementById('seasonal-playlist-sync-btn');
+                if (syncButton) {
+                    syncButton.disabled = true;
+                    syncButton.style.opacity = '0.5';
+                    syncButton.style.cursor = 'not-allowed';
+                }
+
+                startDiscoverSyncPolling('seasonal_playlist', 'discover_seasonal_playlist');
+            }
+        }
+    } catch (error) {
+        // Sync not active, ignore
+    }
 }
 
 async function loadDiscoverHero() {
@@ -25724,6 +25756,225 @@ function renderCompactPlaylist(container, tracks) {
     container.innerHTML = html;
 }
 
+async function loadDiscoveryShuffle() {
+    try {
+        const container = document.getElementById('personalized-discovery-shuffle');
+        if (!container) return;
+
+        const response = await fetch('/api/discover/personalized/discovery-shuffle?limit=50');
+        if (!response.ok) return;
+
+        const data = await response.json();
+        if (!data.success || !data.tracks || data.tracks.length === 0) {
+            container.closest('.discover-section').style.display = 'none';
+            return;
+        }
+
+        personalizedDiscoveryShuffle = data.tracks;
+        renderCompactPlaylist(container, data.tracks);
+        container.closest('.discover-section').style.display = 'block';
+
+    } catch (error) {
+        console.error('Error loading discovery shuffle:', error);
+    }
+}
+
+async function loadFamiliarFavorites() {
+    try {
+        const container = document.getElementById('personalized-familiar-favorites');
+        if (!container) return;
+
+        const response = await fetch('/api/discover/personalized/familiar-favorites?limit=50');
+        if (!response.ok) return;
+
+        const data = await response.json();
+        if (!data.success || !data.tracks || data.tracks.length === 0) {
+            container.closest('.discover-section').style.display = 'none';
+            return;
+        }
+
+        personalizedFamiliarFavorites = data.tracks;
+        renderCompactPlaylist(container, data.tracks);
+        container.closest('.discover-section').style.display = 'block';
+
+    } catch (error) {
+        console.error('Error loading familiar favorites:', error);
+    }
+}
+
+// ===============================
+// BUILD A PLAYLIST FEATURE
+// ===============================
+
+let buildPlaylistSearchTimeout = null;
+
+async function searchBuildPlaylistArtists() {
+    const searchInput = document.getElementById('build-playlist-search');
+    const resultsContainer = document.getElementById('build-playlist-search-results');
+    const query = searchInput.value.trim();
+
+    if (!query) {
+        resultsContainer.innerHTML = '';
+        resultsContainer.style.display = 'none';
+        return;
+    }
+
+    // Debounce search
+    clearTimeout(buildPlaylistSearchTimeout);
+    buildPlaylistSearchTimeout = setTimeout(async () => {
+        try {
+            const response = await fetch(`/api/discover/build-playlist/search-artists?query=${encodeURIComponent(query)}`);
+            if (!response.ok) return;
+
+            const data = await response.json();
+            if (!data.success || !data.artists || data.artists.length === 0) {
+                resultsContainer.innerHTML = '<div class="build-playlist-no-results">No artists found</div>';
+                resultsContainer.style.display = 'block';
+                return;
+            }
+
+            // Render search results
+            let html = '';
+            data.artists.forEach(artist => {
+                const imageUrl = artist.image_url || '/static/placeholder-album.png';
+                html += `
+                    <div class="build-playlist-search-result" onclick="addBuildPlaylistArtist('${artist.id}', '${artist.name.replace(/'/g, "\\'")}', '${imageUrl}')">
+                        <img src="${imageUrl}" alt="${artist.name}">
+                        <span>${artist.name}</span>
+                    </div>
+                `;
+            });
+
+            resultsContainer.innerHTML = html;
+            resultsContainer.style.display = 'block';
+
+        } catch (error) {
+            console.error('Error searching artists:', error);
+        }
+    }, 300);
+}
+
+function addBuildPlaylistArtist(artistId, artistName, imageUrl) {
+    // Check if already selected
+    if (buildPlaylistSelectedArtists.some(a => a.id === artistId)) {
+        alert('Artist already selected');
+        return;
+    }
+
+    // Check maximum limit
+    if (buildPlaylistSelectedArtists.length >= 5) {
+        alert('Maximum 5 artists allowed');
+        return;
+    }
+
+    // Add to selected artists
+    buildPlaylistSelectedArtists.push({
+        id: artistId,
+        name: artistName,
+        image_url: imageUrl
+    });
+
+    // Update UI
+    renderBuildPlaylistSelectedArtists();
+
+    // Clear search
+    document.getElementById('build-playlist-search').value = '';
+    document.getElementById('build-playlist-search-results').innerHTML = '';
+    document.getElementById('build-playlist-search-results').style.display = 'none';
+}
+
+function removeBuildPlaylistArtist(artistId) {
+    buildPlaylistSelectedArtists = buildPlaylistSelectedArtists.filter(a => a.id !== artistId);
+    renderBuildPlaylistSelectedArtists();
+}
+
+function renderBuildPlaylistSelectedArtists() {
+    const container = document.getElementById('build-playlist-selected-artists');
+    const generateBtn = document.getElementById('build-playlist-generate-btn');
+
+    if (buildPlaylistSelectedArtists.length === 0) {
+        container.innerHTML = '<div class="build-playlist-no-selection">No artists selected. Search and select 1-5 artists.</div>';
+        generateBtn.disabled = true;
+        generateBtn.style.opacity = '0.5';
+        return;
+    }
+
+    let html = '';
+    buildPlaylistSelectedArtists.forEach(artist => {
+        html += `
+            <div class="build-playlist-selected-artist">
+                <img src="${artist.image_url}" alt="${artist.name}">
+                <span>${artist.name}</span>
+                <button onclick="removeBuildPlaylistArtist('${artist.id}')" class="build-playlist-remove-artist">×</button>
+            </div>
+        `;
+    });
+
+    container.innerHTML = html;
+    generateBtn.disabled = false;
+    generateBtn.style.opacity = '1';
+}
+
+async function generateBuildPlaylist() {
+    if (buildPlaylistSelectedArtists.length === 0) {
+        alert('Please select at least 1 artist');
+        return;
+    }
+
+    const generateBtn = document.getElementById('build-playlist-generate-btn');
+    const resultsContainer = document.getElementById('build-playlist-results');
+    const loadingIndicator = document.getElementById('build-playlist-loading');
+
+    // Show loading
+    generateBtn.disabled = true;
+    generateBtn.style.opacity = '0.5';
+    loadingIndicator.style.display = 'block';
+    resultsContainer.innerHTML = '';
+
+    try {
+        const seedIds = buildPlaylistSelectedArtists.map(a => a.id);
+        const response = await fetch('/api/discover/build-playlist/generate', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({
+                seed_artist_ids: seedIds,
+                playlist_size: 50
+            })
+        });
+
+        if (!response.ok) {
+            throw new Error('Failed to generate playlist');
+        }
+
+        const data = await response.json();
+        if (!data.success || !data.playlist || !data.playlist.tracks) {
+            throw new Error('Invalid playlist data');
+        }
+
+        // Render playlist
+        renderCompactPlaylist(resultsContainer, data.playlist.tracks);
+
+        // Show metadata
+        const metadata = data.playlist.metadata;
+        const metadataHtml = `
+            <div class="build-playlist-metadata">
+                <p><strong>Total Tracks:</strong> ${metadata.total_tracks}</p>
+                <p><strong>Similar Artists Used:</strong> ${metadata.similar_artists_count}</p>
+                <p><strong>Albums Sampled:</strong> ${metadata.albums_count}</p>
+            </div>
+        `;
+        resultsContainer.insertAdjacentHTML('beforebegin', metadataHtml);
+
+    } catch (error) {
+        console.error('Error generating playlist:', error);
+        resultsContainer.innerHTML = '<div class="error-message">Failed to generate playlist. Please try again.</div>';
+    } finally {
+        loadingIndicator.style.display = 'none';
+        generateBtn.disabled = false;
+        generateBtn.style.opacity = '1';
+    }
+}
+
 function openDailyMix(mixIndex) {
     const mix = personalizedDailyMixes[mixIndex];
     if (!mix || !mix.tracks) return;
@@ -25746,6 +25997,22 @@ async function openDownloadModalForDiscoverPlaylist(playlistType, playlistName)
             tracks = discoverReleaseRadarTracks;
         } else if (playlistType === 'discovery_weekly') {
             tracks = discoverWeeklyTracks;
+        } else if (playlistType === 'seasonal_playlist') {
+            tracks = discoverSeasonalTracks;
+        } else if (playlistType === 'popular_picks') {
+            tracks = personalizedPopularPicks;
+        } else if (playlistType === 'hidden_gems') {
+            tracks = personalizedHiddenGems;
+        } else if (playlistType === 'discovery_shuffle') {
+            tracks = personalizedDiscoveryShuffle;
+        } else if (playlistType === 'familiar_favorites') {
+            tracks = personalizedFamiliarFavorites;
+        } else if (playlistType === 'recently_added') {
+            tracks = personalizedRecentlyAdded;
+        } else if (playlistType === 'top_tracks') {
+            tracks = personalizedTopTracks;
+        } else if (playlistType === 'forgotten_favorites') {
+            tracks = personalizedForgottenFavorites;
         }
 
         if (!tracks || tracks.length === 0) {

webui/static/style.css

@@ -17013,3 +17013,213 @@ body {
     color: #666;
     margin: 0;
 }
+
+/* ===============================
+   BUILD A PLAYLIST STYLES
+   =============================== */
+
+.build-playlist-container {
+    background: #1a1a1a;
+    border-radius: 12px;
+    padding: 24px;
+    margin-top: 20px;
+}
+
+.build-playlist-search-section {
+    position: relative;
+    margin-bottom: 24px;
+}
+
+#build-playlist-search {
+    width: 100%;
+    padding: 12px 16px;
+    background: #2a2a2a;
+    border: 1px solid #3a3a3a;
+    border-radius: 8px;
+    color: #fff;
+    font-size: 14px;
+    outline: none;
+    transition: border-color 0.2s ease;
+}
+
+#build-playlist-search:focus {
+    border-color: #1db954;
+}
+
+.build-playlist-search-results {
+    position: absolute;
+    top: 100%;
+    left: 0;
+    right: 0;
+    background: #2a2a2a;
+    border: 1px solid #3a3a3a;
+    border-radius: 8px;
+    margin-top: 8px;
+    max-height: 300px;
+    overflow-y: auto;
+    z-index: 1000;
+    display: none;
+}
+
+.build-playlist-search-result {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+    padding: 12px;
+    cursor: pointer;
+    transition: background-color 0.2s ease;
+    border-bottom: 1px solid #3a3a3a;
+}
+
+.build-playlist-search-result:last-child {
+    border-bottom: none;
+}
+
+.build-playlist-search-result:hover {
+    background-color: #3a3a3a;
+}
+
+.build-playlist-search-result img {
+    width: 40px;
+    height: 40px;
+    border-radius: 50%;
+    object-fit: cover;
+}
+
+.build-playlist-search-result span {
+    color: #fff;
+    font-size: 14px;
+}
+
+.build-playlist-no-results {
+    padding: 16px;
+    text-align: center;
+    color: #999;
+    font-size: 14px;
+}
+
+.build-playlist-selected-section {
+    margin-bottom: 24px;
+}
+
+.build-playlist-selected-section h3 {
+    color: #fff;
+    font-size: 16px;
+    margin: 0 0 12px 0;
+}
+
+.build-playlist-selected-artists {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 12px;
+    min-height: 60px;
+}
+
+.build-playlist-selected-artist {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    background: #2a2a2a;
+    border: 1px solid #3a3a3a;
+    border-radius: 8px;
+    padding: 8px 12px;
+}
+
+.build-playlist-selected-artist img {
+    width: 32px;
+    height: 32px;
+    border-radius: 50%;
+    object-fit: cover;
+}
+
+.build-playlist-selected-artist span {
+    color: #fff;
+    font-size: 14px;
+}
+
+.build-playlist-remove-artist {
+    background: none;
+    border: none;
+    color: #ff4444;
+    font-size: 20px;
+    cursor: pointer;
+    padding: 0;
+    margin-left: 4px;
+    width: 20px;
+    height: 20px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    transition: color 0.2s ease;
+}
+
+.build-playlist-remove-artist:hover {
+    color: #ff6666;
+}
+
+.build-playlist-no-selection {
+    color: #999;
+    font-size: 14px;
+    padding: 16px;
+    text-align: center;
+}
+
+.build-playlist-actions {
+    display: flex;
+    align-items: center;
+    gap: 16px;
+    margin-bottom: 24px;
+}
+
+.build-playlist-generate-btn {
+    background: #1db954;
+    color: #fff;
+    border: none;
+    border-radius: 8px;
+    padding: 12px 24px;
+    font-size: 14px;
+    font-weight: 600;
+    cursor: pointer;
+    transition: all 0.2s ease;
+}
+
+.build-playlist-generate-btn:not(:disabled):hover {
+    background: #1ed760;
+    transform: scale(1.02);
+}
+
+.build-playlist-generate-btn:disabled {
+    cursor: not-allowed;
+}
+
+.build-playlist-loading {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+}
+
+.build-playlist-loading p {
+    color: #999;
+    font-size: 14px;
+    margin: 0;
+}
+
+.build-playlist-metadata {
+    background: #2a2a2a;
+    border-radius: 8px;
+    padding: 16px;
+    margin-bottom: 16px;
+    display: grid;
+    grid-template-columns: repeat(3, 1fr);
+    gap: 16px;
+}
+
+.build-playlist-metadata p {
+    color: #fff;
+    font-size: 13px;
+    margin: 0;
+}
+
+.build-playlist-metadata strong {
+    color: #1db954;
+}