caching for similar artists

core/watchlist_scanner.py

@@ -246,8 +246,17 @@ class WatchlistScanner:
             # Update last scan timestamp for this artist
             self.update_artist_scan_timestamp(watchlist_artist.spotify_artist_id)
 
-            # Fetch and store similar artists for discovery feature
-            self.update_similar_artists(watchlist_artist)
+            # Fetch and store similar artists for discovery feature (with caching to avoid over-polling)
+            try:
+                # Check if we have fresh similar artists cached (< 30 days old)
+                if self.database.has_fresh_similar_artists(watchlist_artist.spotify_artist_id, days_threshold=30):
+                    logger.info(f"Similar artists for {watchlist_artist.artist_name} are cached and fresh, skipping fetch")
+                else:
+                    logger.info(f"Fetching similar artists for {watchlist_artist.artist_name}...")
+                    self.update_similar_artists(watchlist_artist)
+                    logger.info(f"Similar artists updated for {watchlist_artist.artist_name}")
+            except Exception as similar_error:
+                logger.warning(f"Failed to update similar artists for {watchlist_artist.artist_name}: {similar_error}")
 
             return ScanResult(
                 artist_name=watchlist_artist.artist_name,
@@ -656,11 +665,21 @@ class WatchlistScanner:
         """
         Populate discovery pool with tracks from top similar artists.
         Called after watchlist scan completes.
+
+        This method now:
+        - Checks if pool was updated in last 24 hours (prevents over-polling Spotify)
+        - Appends to existing pool instead of replacing it
+        - Cleans up tracks older than 365 days (maintains 1 year rolling window)
         """
         try:
             from datetime import datetime, timedelta
             import random
 
+            # Check if we should run (prevents over-polling Spotify)
+            if not self.database.should_populate_discovery_pool(hours_threshold=24):
+                logger.info("Discovery pool was populated recently (< 24 hours ago). Skipping to avoid over-polling Spotify.")
+                return
+
             logger.info("Populating discovery pool from similar artists...")
 
             # Get top similar artists across all watchlist (ordered by occurrence_count)
@@ -776,15 +795,110 @@ class WatchlistScanner:
                     logger.warning(f"Error processing artist {similar_artist.similar_artist_name}: {artist_error}")
                     continue
 
-            logger.info(f"Discovery pool population complete: {total_tracks_added} tracks added")
+            logger.info(f"Discovery pool from similar artists complete: {total_tracks_added} tracks added")
 
-            # Rotate discovery pool if needed (maintain 1000-2000 track limit)
-            self.database.rotate_discovery_pool(max_tracks=2000, remove_count=500)
+            # Note: Watchlist artist albums are already in discovery pool from the watchlist scan itself
+            # No need to re-fetch them here to avoid duplicate API calls
+
+            # Add tracks from random database albums for extra variety (reduced to 5 to save API calls)
+            logger.info("Adding tracks from database albums to discovery pool...")
+            try:
+                with self.database._get_connection() as conn:
+                    cursor = conn.cursor()
+                    cursor.execute("""
+                        SELECT DISTINCT a.title, ar.name as artist_name
+                        FROM albums_new a
+                        JOIN artists_new ar ON a.artist_id = ar.id
+                        ORDER BY RANDOM()
+                        LIMIT 5
+                    """)
+                    db_albums = cursor.fetchall()
+
+                    logger.info(f"Processing {len(db_albums)} database albums for discovery pool")
+
+                    for db_idx, album_row in enumerate(db_albums, 1):
+                        try:
+                            # Search for album on Spotify
+                            query = f"album:{album_row['title']} artist:{album_row['artist_name']}"
+                            search_results = self.spotify_client.search_albums(query, limit=1)
+
+                            if search_results and len(search_results) > 0:
+                                spotify_album = search_results[0]
+                                album_data = self.spotify_client.get_album(spotify_album.id)
+
+                                if album_data and 'tracks' in album_data:
+                                    tracks = album_data['tracks'].get('items', [])
+
+                                    # Check if new release
+                                    is_new = False
+                                    try:
+                                        release_date_str = album_data.get('release_date', '')
+                                        if release_date_str and len(release_date_str) == 10:
+                                            release_date = datetime.strptime(release_date_str, "%Y-%m-%d")
+                                            days_old = (datetime.now() - release_date).days
+                                            is_new = days_old <= 30
+                                    except:
+                                        pass
+
+                                    for track in tracks:
+                                        try:
+                                            track_data = {
+                                                'spotify_track_id': track['id'],
+                                                'spotify_album_id': album_data['id'],
+                                                'spotify_artist_id': album_data['artists'][0]['id'] if album_data.get('artists') else '',
+                                                'track_name': track['name'],
+                                                'artist_name': album_row['artist_name'],
+                                                'album_name': album_row['title'],
+                                                '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),
+                                                'release_date': album_data.get('release_date', ''),
+                                                'is_new_release': is_new,
+                                                'track_data_json': track
+                                            }
+
+                                            if self.database.add_to_discovery_pool(track_data):
+                                                total_tracks_added += 1
+                                        except Exception as track_error:
+                                            continue
+
+                                time.sleep(DELAY_BETWEEN_ALBUMS)
+                        except Exception as album_error:
+                            logger.debug(f"Error processing database album {album_row['title']}: {album_error}")
+                            continue
+
+                        # Rate limit between albums
+                        if db_idx < len(db_albums):
+                            time.sleep(DELAY_BETWEEN_ARTISTS)
+
+            except Exception as db_error:
+                logger.warning(f"Error processing database albums: {db_error}")
+
+            logger.info(f"Discovery pool population complete: {total_tracks_added} total tracks added from all sources")
+
+            # Clean up tracks older than 365 days (maintain 1 year rolling window)
+            logger.info("Cleaning up discovery tracks older than 365 days...")
+            deleted_count = self.database.cleanup_old_discovery_tracks(days_threshold=365)
+            logger.info(f"Cleaned up {deleted_count} old tracks from discovery pool")
+
+            # Get final track count for metadata
+            with self.database._get_connection() as conn:
+                cursor = conn.cursor()
+                cursor.execute("SELECT COUNT(*) as count FROM discovery_pool")
+                final_count = cursor.fetchone()['count']
+
+            # Update timestamp to mark when pool was last populated
+            self.database.update_discovery_pool_timestamp(track_count=final_count)
+            logger.info(f"Discovery pool now contains {final_count} total tracks (built over time)")
 
             # Cache recent albums for discovery page
             logger.info("Caching recent albums for discovery page...")
             self.cache_discovery_recent_albums()
 
+            # Curate playlists for consistent daily experience
+            logger.info("Curating discovery playlists...")
+            self.curate_discovery_playlists()
+
         except Exception as e:
             logger.error(f"Error populating discovery pool: {e}")
             import traceback
@@ -902,6 +1016,72 @@ class WatchlistScanner:
             import traceback
             traceback.print_exc()
 
+    def curate_discovery_playlists(self):
+        """Curate consistent playlist selections that stay the same until next discovery pool update"""
+        try:
+            import random
+
+            logger.info("Curating Release Radar playlist...")
+
+            # 1. Curate Release Radar - 50 tracks from recent albums
+            recent_albums = self.database.get_discovery_recent_albums(limit=20)
+            release_radar_tracks = []
+
+            if recent_albums:
+                # Group albums by artist for variety
+                albums_by_artist = {}
+                for album in recent_albums:
+                    artist = album['artist_name']
+                    if artist not in albums_by_artist:
+                        albums_by_artist[artist] = []
+                    albums_by_artist[artist].append(album)
+
+                # Get tracks from each album, grouped by artist
+                artist_tracks = {}
+                for artist, albums in albums_by_artist.items():
+                    artist_tracks[artist] = []
+                    for album in albums:
+                        try:
+                            album_data = self.spotify_client.get_album(album['album_spotify_id'])
+                            if album_data and 'tracks' in album_data:
+                                for track in album_data['tracks']['items']:
+                                    artist_tracks[artist].append(track['id'])
+                        except Exception as e:
+                            continue
+
+                # Balance by artist - max 6 tracks per artist
+                balanced_tracks = []
+                for artist, tracks in artist_tracks.items():
+                    random.shuffle(tracks)
+                    balanced_tracks.extend(tracks[:6])  # Max 6 per artist
+
+                # Shuffle and limit to 50
+                random.shuffle(balanced_tracks)
+                release_radar_tracks = balanced_tracks[:50]
+
+            self.database.save_curated_playlist('release_radar', release_radar_tracks)
+            logger.info(f"Release Radar curated: {len(release_radar_tracks)} tracks")
+
+            # 2. Curate Discovery Weekly - 50 tracks from full discovery pool
+            logger.info("Curating Discovery Weekly playlist...")
+            discovery_tracks = self.database.get_discovery_pool_tracks(limit=1000, new_releases_only=False)
+
+            discovery_weekly_tracks = []
+            if discovery_tracks:
+                all_track_ids = [track.spotify_track_id for track in discovery_tracks]
+                random.shuffle(all_track_ids)
+                discovery_weekly_tracks = all_track_ids[:50]
+
+            self.database.save_curated_playlist('discovery_weekly', discovery_weekly_tracks)
+            logger.info(f"Discovery Weekly curated: {len(discovery_weekly_tracks)} tracks")
+
+            logger.info("Playlist curation complete")
+
+        except Exception as e:
+            logger.error(f"Error curating discovery playlists: {e}")
+            import traceback
+            traceback.print_exc()
+
 # Singleton instance
 _watchlist_scanner_instance = None
 

database/music_database.py

@@ -488,6 +488,26 @@ class MusicDatabase:
                 )
             """)
 
+            # Discovery Curated Playlists - store curated track selections for consistency
+            cursor.execute("""
+                CREATE TABLE IF NOT EXISTS discovery_curated_playlists (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    playlist_type TEXT NOT NULL UNIQUE,
+                    track_ids_json TEXT NOT NULL,
+                    curated_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+                )
+            """)
+
+            # Discovery Pool Metadata - track when pool was last populated to prevent over-polling
+            cursor.execute("""
+                CREATE TABLE IF NOT EXISTS discovery_pool_metadata (
+                    id INTEGER PRIMARY KEY CHECK (id = 1),
+                    last_populated_timestamp TIMESTAMP NOT NULL,
+                    track_count INTEGER DEFAULT 0,
+                    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+                )
+            """)
+
             # Create indexes for performance
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_similar_artists_source ON similar_artists (source_artist_id)")
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_similar_artists_spotify ON similar_artists (similar_artist_spotify_id)")
@@ -2490,6 +2510,37 @@ class MusicDatabase:
             logger.error(f"Error getting similar artists: {e}")
             return []
 
+    def has_fresh_similar_artists(self, source_artist_id: str, days_threshold: int = 30) -> bool:
+        """
+        Check if we have cached similar artists that are still fresh (< days_threshold old).
+        Returns True if we have recent data, False if data is stale or missing.
+        """
+        try:
+            with self._get_connection() as conn:
+                cursor = conn.cursor()
+
+                cursor.execute("""
+                    SELECT COUNT(*) as count, MAX(last_updated) as last_updated
+                    FROM similar_artists
+                    WHERE source_artist_id = ?
+                """, (source_artist_id,))
+
+                row = cursor.fetchone()
+
+                if not row or row['count'] == 0:
+                    # No similar artists cached
+                    return False
+
+                # Check if data is fresh
+                last_updated = datetime.fromisoformat(row['last_updated'])
+                days_since_update = (datetime.now() - last_updated).total_seconds() / 86400  # seconds to days
+
+                return days_since_update < days_threshold
+
+        except Exception as e:
+            logger.error(f"Error checking similar artists freshness: {e}")
+            return False  # Default to re-fetching on error
+
     def get_top_similar_artists(self, limit: int = 50) -> List[SimilarArtist]:
         """Get top similar artists across all watchlist artists, ordered by occurrence count"""
         try:
@@ -2701,6 +2752,106 @@ class MusicDatabase:
             logger.error(f"Error clearing discovery recent albums: {e}")
             return False
 
+    def save_curated_playlist(self, playlist_type: str, track_ids: List[str]) -> bool:
+        """Save a curated playlist selection (stays same until next discovery pool update)"""
+        try:
+            import json
+            with self._get_connection() as conn:
+                cursor = conn.cursor()
+                cursor.execute("""
+                    INSERT OR REPLACE INTO discovery_curated_playlists
+                    (playlist_type, track_ids_json, curated_date)
+                    VALUES (?, ?, CURRENT_TIMESTAMP)
+                """, (playlist_type, json.dumps(track_ids)))
+                conn.commit()
+                return True
+        except Exception as e:
+            logger.error(f"Error saving curated playlist {playlist_type}: {e}")
+            return False
+
+    def get_curated_playlist(self, playlist_type: str) -> Optional[List[str]]:
+        """Get saved curated playlist track IDs"""
+        try:
+            import json
+            with self._get_connection() as conn:
+                cursor = conn.cursor()
+                cursor.execute("""
+                    SELECT track_ids_json FROM discovery_curated_playlists
+                    WHERE playlist_type = ?
+                """, (playlist_type,))
+                row = cursor.fetchone()
+                if row:
+                    return json.loads(row['track_ids_json'])
+                return None
+        except Exception as e:
+            logger.error(f"Error getting curated playlist {playlist_type}: {e}")
+            return None
+
+    def should_populate_discovery_pool(self, hours_threshold: int = 24) -> bool:
+        """Check if discovery pool should be populated (hasn't been updated in X hours)"""
+        try:
+            with self._get_connection() as conn:
+                cursor = conn.cursor()
+                cursor.execute("""
+                    SELECT last_populated_timestamp
+                    FROM discovery_pool_metadata
+                    WHERE id = 1
+                """)
+                row = cursor.fetchone()
+
+                if not row:
+                    # Never populated before
+                    return True
+
+                last_populated = datetime.fromisoformat(row['last_populated_timestamp'])
+                hours_since_update = (datetime.now() - last_populated).total_seconds() / 3600
+
+                return hours_since_update >= hours_threshold
+
+        except Exception as e:
+            logger.error(f"Error checking discovery pool timestamp: {e}")
+            return True  # Default to allowing population on error
+
+    def update_discovery_pool_timestamp(self, track_count: int) -> bool:
+        """Update the last populated timestamp and track count"""
+        try:
+            with self._get_connection() as conn:
+                cursor = conn.cursor()
+                cursor.execute("""
+                    INSERT OR REPLACE INTO discovery_pool_metadata
+                    (id, last_populated_timestamp, track_count, updated_at)
+                    VALUES (1, ?, ?, CURRENT_TIMESTAMP)
+                """, (datetime.now().isoformat(), track_count))
+                conn.commit()
+                return True
+        except Exception as e:
+            logger.error(f"Error updating discovery pool timestamp: {e}")
+            return False
+
+    def cleanup_old_discovery_tracks(self, days_threshold: int = 365) -> int:
+        """Remove tracks from discovery pool older than X days. Returns count of deleted tracks."""
+        try:
+            with self._get_connection() as conn:
+                cursor = conn.cursor()
+
+                # Delete tracks older than threshold
+                cursor.execute("""
+                    DELETE FROM discovery_pool
+                    WHERE added_date < datetime('now', '-' || ? || ' days')
+                """, (days_threshold,))
+
+                deleted_count = cursor.rowcount
+                conn.commit()
+
+                if deleted_count > 0:
+                    logger.info(f"Cleaned up {deleted_count} discovery tracks older than {days_threshold} days")
+
+                return deleted_count
+
+        except Exception as e:
+            logger.error(f"Error cleaning up old discovery tracks: {e}")
+            return 0
+
     def add_recent_release(self, watchlist_artist_id: int, album_data: Dict[str, Any]) -> bool:
         """Add a recent release to the recent_releases table"""
         try:

web_server.py

@@ -14466,62 +14466,39 @@ def get_discover_recent_releases():
 
 @app.route('/api/discover/release-radar', methods=['GET'])
 def get_discover_release_radar():
-    """Get release radar playlist - 50 tracks randomly selected from all recent albums"""
+    """Get release radar playlist - curated selection that stays consistent until next update"""
     try:
-        import random
-
         database = get_database()
 
         if not spotify_client or not spotify_client.is_authenticated():
             return jsonify({"success": True, "tracks": []})
 
-        # Get all recent albums from cache
-        recent_albums = database.get_discovery_recent_albums(limit=20)
-
-        if not recent_albums:
-            return jsonify({"success": True, "tracks": []})
-
-        all_tracks = []
-
-        # Get tracks from each recent album
-        for album in recent_albums:
-            try:
-                # Get album tracks from Spotify
-                album_data = spotify_client.get_album(album['album_spotify_id'])
-                if album_data and 'tracks' in album_data:
-                    for track in album_data['tracks']['items']:
-                        all_tracks.append({
-                            "spotify_track_id": track['id'],
-                            "track_name": track['name'],
-                            "artist_name": album['artist_name'],
-                            "album_name": album['album_name'],
-                            "album_cover_url": album['album_cover_url'],
-                            "duration_ms": track.get('duration_ms', 0),
-                            "track_data_json": track
-                        })
-            except Exception as e:
-                print(f"Error getting tracks for album {album['album_name']}: {e}")
-                continue
-
-        # Group tracks by artist to ensure variety
-        tracks_by_artist = {}
-        for track in all_tracks:
-            artist_name = track['artist_name']
-            if artist_name not in tracks_by_artist:
-                tracks_by_artist[artist_name] = []
-            tracks_by_artist[artist_name].append(track)
-
-        # Limit each artist to max 6 tracks for variety
-        balanced_tracks = []
-        for artist_name, tracks in tracks_by_artist.items():
-            random.shuffle(tracks)
-            balanced_tracks.extend(tracks[:6])  # Max 6 tracks per artist
+        # Try to get curated playlist first
+        curated_track_ids = database.get_curated_playlist('release_radar')
+
+        if curated_track_ids:
+            # Use curated selection - fetch track data from discovery pool
+            discovery_tracks = database.get_discovery_pool_tracks(limit=5000, new_releases_only=False)
+            tracks_by_id = {track.spotify_track_id: track for track in discovery_tracks}
+
+            selected_tracks = []
+            for track_id in curated_track_ids:
+                if track_id in tracks_by_id:
+                    track = tracks_by_id[track_id]
+                    selected_tracks.append({
+                        "spotify_track_id": track.spotify_track_id,
+                        "track_name": track.track_name,
+                        "artist_name": track.artist_name,
+                        "album_name": track.album_name,
+                        "album_cover_url": track.album_cover_url,
+                        "duration_ms": track.duration_ms,
+                        "track_data_json": track.track_data_json
+                    })
 
-        # Randomly select up to 50 tracks from balanced pool
-        random.shuffle(balanced_tracks)
-        selected_tracks = balanced_tracks[:50]
+            return jsonify({"success": True, "tracks": selected_tracks})
 
-        return jsonify({"success": True, "tracks": selected_tracks})
+        # Fallback: no curated playlist exists (shouldn't happen after first scan)
+        return jsonify({"success": True, "tracks": []})
 
     except Exception as e:
         print(f"Error getting release radar: {e}")
@@ -14531,105 +14508,39 @@ def get_discover_release_radar():
 
 @app.route('/api/discover/weekly', methods=['GET'])
 def get_discover_weekly():
-    """Get discovery weekly playlist - 50 tracks from similar artists, watchlist artists, and database albums"""
+    """Get discovery weekly playlist - curated selection that stays consistent until next update"""
     try:
-        import random
-
         database = get_database()
 
-        if not spotify_client or not spotify_client.is_authenticated():
-            return jsonify({"success": True, "tracks": []})
-
-        all_tracks = []
-
-        # 1. Get tracks from discovery pool (similar artists) - aim for ~30 tracks
-        discovery_tracks = database.get_discovery_pool_tracks(limit=300, new_releases_only=False)
-        for track in discovery_tracks:
-            all_tracks.append({
-                "spotify_track_id": track.spotify_track_id,
-                "track_name": track.track_name,
-                "artist_name": track.artist_name,
-                "album_name": track.album_name,
-                "album_cover_url": track.album_cover_url,
-                "duration_ms": track.duration_ms,
-                "track_data_json": track.track_data_json
-            })
-
-        # 2. Get tracks from random watchlist artists - aim for ~10 tracks
-        try:
-            watchlist_artists = database.get_watchlist_artists()
-            if watchlist_artists:
-                random_watchlist = random.sample(watchlist_artists, min(2, len(watchlist_artists)))
-                for artist in random_watchlist:
-                    try:
-                        albums = spotify_client.get_artist_albums(artist.spotify_artist_id, album_type='album', limit=10)
-                        if albums:
-                            random_album = random.choice(albums)
-                            album_data = spotify_client.get_album(random_album.id)
-                            if album_data and 'tracks' in album_data:
-                                for track in album_data['tracks']['items'][:5]:  # 5 tracks per album
-                                    all_tracks.append({
-                                        "spotify_track_id": track['id'],
-                                        "track_name": track['name'],
-                                        "artist_name": artist.artist_name,
-                                        "album_name": random_album.name,
-                                        "album_cover_url": random_album.image_url if hasattr(random_album, 'image_url') else None,
-                                        "duration_ms": track.get('duration_ms', 0),
-                                        "track_data_json": track
-                                    })
-                    except Exception as e:
-                        continue
-        except Exception as e:
-            print(f"Error getting watchlist tracks: {e}")
-
-        # 3. Get tracks from random database albums - aim for ~10 tracks
-        try:
-            # Get random albums from database
-            with database._get_connection() as conn:
-                cursor = conn.cursor()
-                cursor.execute("""
-                    SELECT DISTINCT a.title, ar.name as artist_name
-                    FROM albums_new a
-                    JOIN artists_new ar ON a.artist_id = ar.id
-                    ORDER BY RANDOM()
-                    LIMIT 2
-                """)
-                db_albums = cursor.fetchall()
-
-                for album_row in db_albums:
-                    try:
-                        # Search for album on Spotify
-                        query = f"album:{album_row['title']} artist:{album_row['artist_name']}"
-                        search_results = spotify_client.search_albums(query, limit=1)
-                        if search_results and len(search_results) > 0:
-                            spotify_album = search_results[0]
-                            album_data = spotify_client.get_album(spotify_album.id)
-                            if album_data and 'tracks' in album_data:
-                                for track in album_data['tracks']['items'][:5]:  # 5 tracks per album
-                                    all_tracks.append({
-                                        "spotify_track_id": track['id'],
-                                        "track_name": track['name'],
-                                        "artist_name": album_row['artist_name'],
-                                        "album_name": album_row['title'],
-                                        "album_cover_url": spotify_album.image_url if hasattr(spotify_album, 'image_url') else None,
-                                        "duration_ms": track.get('duration_ms', 0),
-                                        "track_data_json": track
-                                    })
-                    except Exception as e:
-                        continue
-        except Exception as e:
-            print(f"Error getting database album tracks: {e}")
+        # Try to get curated playlist first
+        curated_track_ids = database.get_curated_playlist('discovery_weekly')
+
+        if curated_track_ids:
+            # Use curated selection - fetch track data from discovery pool
+            discovery_tracks = database.get_discovery_pool_tracks(limit=5000, new_releases_only=False)
+            tracks_by_id = {track.spotify_track_id: track for track in discovery_tracks}
+
+            selected_tracks = []
+            for track_id in curated_track_ids:
+                if track_id in tracks_by_id:
+                    track = tracks_by_id[track_id]
+                    selected_tracks.append({
+                        "spotify_track_id": track.spotify_track_id,
+                        "track_name": track.track_name,
+                        "artist_name": track.artist_name,
+                        "album_name": track.album_name,
+                        "album_cover_url": track.album_cover_url,
+                        "duration_ms": track.duration_ms,
+                        "track_data_json": track.track_data_json
+                    })
 
-        # Randomly select 50 tracks from the combined pool
-        random.shuffle(all_tracks)
-        selected_tracks = all_tracks[:50]
+            return jsonify({"success": True, "tracks": selected_tracks})
 
-        return jsonify({"success": True, "tracks": selected_tracks})
+        # Fallback: no curated playlist exists (shouldn't happen after first scan)
+        return jsonify({"success": True, "tracks": []})
 
     except Exception as e:
         print(f"Error getting discovery weekly: {e}")
-        import traceback
-        traceback.print_exc()
         return jsonify({"success": False, "error": str(e)}), 500
 
 @app.route('/api/metadata/start', methods=['POST'])
@@ -17830,28 +17741,4 @@ if __name__ == '__main__':
     # Add a test activity to verify the system is working
     add_activity_item("🔧", "Debug Test", "Activity feed system test", "Now")
 
-    # Populate discovery pool at startup (background task)
-    def startup_populate_discovery():
-        """Populate discovery pool at startup in background"""
-        try:
-            print("🎵 Populating discovery pool at startup...")
-            from core.watchlist_scanner import get_watchlist_scanner
-            if spotify_client and spotify_client.is_authenticated():
-                scanner = get_watchlist_scanner(spotify_client)
-                scanner.populate_discovery_pool()
-                print("✅ Discovery pool populated successfully")
-                add_activity_item("🎵", "Discovery Pool", "Discovery data populated successfully", "Now")
-            else:
-                print("⚠️ Spotify not authenticated - skipping discovery pool population")
-        except Exception as e:
-            print(f"❌ Error populating discovery pool at startup: {e}")
-            import traceback
-            traceback.print_exc()
-
-    # Run discovery pool population in background thread
-    import threading
-    discovery_thread = threading.Thread(target=startup_populate_discovery, daemon=True)
-    discovery_thread.start()
-    print("🔧 Discovery pool population started in background...")
-
     app.run(host='0.0.0.0', port=8008, debug=False)