Merge dev: Spotify playlist injection with missing tracks search and playlist logging improvements

.env.example

@@ -120,3 +120,9 @@ SPOTIFY_IMPORT_SYNC_WINDOW_HOURS=2
 # Get IDs from Jellyfin playlist URLs: https://jellyfin.example.com/web/#/details?id=PLAYLIST_ID
 # Example: SPOTIFY_IMPORT_PLAYLIST_IDS=4383a46d8bcac3be2ef9385053ea18df,ba50e26c867ec9d57ab2f7bf24cfd6b0
 SPOTIFY_IMPORT_PLAYLIST_IDS=
+
+# Playlist names (comma-separated, must match Spotify Import plugin format)
+# IMPORTANT: Use the exact playlist names as they appear in Jellyfin
+# Must be in same order as SPOTIFY_IMPORT_PLAYLIST_IDS
+# Example: SPOTIFY_IMPORT_PLAYLIST_NAMES=Discover Weekly,Release Radar
+SPOTIFY_IMPORT_PLAYLIST_NAMES=

allstarr/Controllers/JellyfinController.cs

@@ -10,6 +10,7 @@ using allstarr.Services.Local;
 using allstarr.Services.Jellyfin;
 using allstarr.Services.Subsonic;
 using allstarr.Services.Lyrics;
+using allstarr.Filters;
 
 namespace allstarr.Controllers;
 
@@ -1283,7 +1284,7 @@ public class JellyfinController : ControllerBase
                     var playlistName = nameElement.GetString() ?? "";
                     _logger.LogInformation("✓ MATCHED! Intercepting Spotify playlist: {PlaylistName} (ID: {PlaylistId})", 
                         playlistName, playlistId);
-                    return await GetSpotifyPlaylistTracksAsync(playlistName);
+                    return await GetSpotifyPlaylistTracksAsync(playlistName, playlistId);
                 }
                 else
                 {
@@ -1668,11 +1669,11 @@ public class JellyfinController : ControllerBase
             {
                 var playlistId = parts[1];
                 
-                _logger.LogWarning("=== PLAYLIST REQUEST ===");
-                _logger.LogWarning("Playlist ID: {PlaylistId}", playlistId);
-                _logger.LogWarning("Spotify Enabled: {Enabled}", _spotifySettings.Enabled);
-                _logger.LogWarning("Configured IDs: {Ids}", string.Join(", ", _spotifySettings.PlaylistIds));
-                _logger.LogWarning("Is configured: {IsConfigured}", _spotifySettings.PlaylistIds.Contains(playlistId, StringComparer.OrdinalIgnoreCase));
+                _logger.LogInformation("=== PLAYLIST REQUEST ===");
+                _logger.LogInformation("Playlist ID: {PlaylistId}", playlistId);
+                _logger.LogInformation("Spotify Enabled: {Enabled}", _spotifySettings.Enabled);
+                _logger.LogInformation("Configured IDs: {Ids}", string.Join(", ", _spotifySettings.PlaylistIds));
+                _logger.LogInformation("Is configured: {IsConfigured}", _spotifySettings.PlaylistIds.Contains(playlistId, StringComparer.OrdinalIgnoreCase));
                 
                 // Check if this playlist ID is configured for Spotify injection
                 if (_spotifySettings.PlaylistIds.Any(id => id.Equals(playlistId, StringComparison.OrdinalIgnoreCase)))
@@ -1914,9 +1915,10 @@ public class JellyfinController : ControllerBase
     #region Spotify Playlist Injection
 
     /// <summary>
-    /// Gets tracks for a Spotify playlist by matching missing tracks against external providers.
+    /// Gets tracks for a Spotify playlist by matching missing tracks against external providers
+    /// and merging with existing local tracks from Jellyfin.
     /// </summary>
-    private async Task<IActionResult> GetSpotifyPlaylistTracksAsync(string spotifyPlaylistName)
+    private async Task<IActionResult> GetSpotifyPlaylistTracksAsync(string spotifyPlaylistName, string playlistId)
     {
         try
         {
@@ -1930,45 +1932,135 @@ public class JellyfinController : ControllerBase
                 return _responseBuilder.CreateItemsResponse(cachedTracks);
             }
 
+            // Get existing Jellyfin playlist items (tracks the plugin already found)
+            var existingTracksResponse = await _proxyService.GetJsonAsync(
+                $"Playlists/{playlistId}/Items", 
+                null, 
+                Request.Headers);
+            
+            var existingTracks = new List<Song>();
+            var existingSpotifyIds = new HashSet<string>();
+            
+            if (existingTracksResponse != null && 
+                existingTracksResponse.RootElement.TryGetProperty("Items", out var items))
+            {
+                foreach (var item in items.EnumerateArray())
+                {
+                    var song = _modelMapper.ParseSong(item);
+                    existingTracks.Add(song);
+                    
+                    // Track Spotify IDs to avoid duplicates
+                    if (item.TryGetProperty("ProviderIds", out var providerIds) &&
+                        providerIds.TryGetProperty("Spotify", out var spotifyId))
+                    {
+                        existingSpotifyIds.Add(spotifyId.GetString() ?? "");
+                    }
+                }
+                _logger.LogInformation("Found {Count} existing tracks in Jellyfin playlist", existingTracks.Count);
+            }
+
             var missingTracksKey = $"spotify:missing:{spotifyPlaylistName}";
             var missingTracks = await _cache.GetAsync<List<allstarr.Models.Spotify.MissingTrack>>(missingTracksKey);
             
             if (missingTracks == null || missingTracks.Count == 0)
             {
-                _logger.LogInformation("No missing tracks found for {Playlist}", spotifyPlaylistName);
-                return _responseBuilder.CreateItemsResponse(new List<Song>());
+                _logger.LogInformation("No missing tracks found for {Playlist}, returning {Count} existing tracks", 
+                    spotifyPlaylistName, existingTracks.Count);
+                return _responseBuilder.CreateItemsResponse(existingTracks);
             }
 
-            _logger.LogInformation("Matching {Count} tracks for {Playlist}", 
+            _logger.LogInformation("Matching {Count} missing tracks for {Playlist}", 
                 missingTracks.Count, spotifyPlaylistName);
 
-            var matchTasks = missingTracks.Select(async track =>
+            // Match missing tracks (excluding ones we already have locally)
+            var matchTasks = missingTracks
+                .Where(track => !existingSpotifyIds.Contains(track.SpotifyId))
+                .Select(async track =>
+                {
+                    try
+                    {
+                        // Search with just title and artist for better matching
+                        var query = $"{track.Title} {track.PrimaryArtist}";
+                        var results = await _metadataService.SearchSongsAsync(query, limit: 5);
+                        
+                        if (results.Count == 0)
+                            return (track.SpotifyId, (Song?)null);
+                        
+                        // Fuzzy match to find best result
+                        var bestMatch = results
+                            .Select(song => new
+                            {
+                                Song = song,
+                                TitleScore = FuzzyMatcher.CalculateSimilarity(track.Title, song.Title),
+                                ArtistScore = FuzzyMatcher.CalculateSimilarity(track.PrimaryArtist, song.Artist),
+                                TotalScore = 0.0
+                            })
+                            .Select(x => new
+                            {
+                                x.Song,
+                                x.TitleScore,
+                                x.ArtistScore,
+                                TotalScore = (x.TitleScore * 0.6) + (x.ArtistScore * 0.4) // Weight title more
+                            })
+                            .OrderByDescending(x => x.TotalScore)
+                            .FirstOrDefault();
+                        
+                        // Only return if match is good enough (>60% combined score)
+                        if (bestMatch != null && bestMatch.TotalScore >= 60)
+                        {
+                            _logger.LogDebug("Matched '{Title}' by {Artist} -> '{MatchTitle}' by {MatchArtist} (score: {Score:F1})",
+                                track.Title, track.PrimaryArtist, 
+                                bestMatch.Song.Title, bestMatch.Song.Artist, 
+                                bestMatch.TotalScore);
+                            return (track.SpotifyId, (Song?)bestMatch.Song);
+                        }
+                        
+                        _logger.LogDebug("No good match for '{Title}' by {Artist} (best score: {Score:F1})",
+                            track.Title, track.PrimaryArtist, bestMatch?.TotalScore ?? 0);
+                        return (track.SpotifyId, (Song?)null);
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.LogDebug(ex, "Failed to match track: {Title} - {Artist}", 
+                            track.Title, track.PrimaryArtist);
+                        return (track.SpotifyId, (Song?)null);
+                    }
+                });
+
+            var matchResults = await Task.WhenAll(matchTasks);
+            var matchedBySpotifyId = matchResults
+                .Where(x => x.Item2 != null)
+                .ToDictionary(x => x.SpotifyId, x => x.Item2!);
+
+            // Build final track list in Spotify playlist order
+            var finalTracks = new List<Song>();
+            foreach (var missingTrack in missingTracks)
             {
-                try
+                // Check if we have it locally first
+                var existingTrack = existingTracks.FirstOrDefault(t => 
+                    t.Title.Equals(missingTrack.Title, StringComparison.OrdinalIgnoreCase) &&
+                    t.Artist.Equals(missingTrack.PrimaryArtist, StringComparison.OrdinalIgnoreCase));
+                
+                if (existingTrack != null)
                 {
-                    var query = $"{track.Title} {track.AllArtists} {track.Album}";
-                    var results = await _metadataService.SearchSongsAsync(query, limit: 1);
-                    return results.FirstOrDefault();
+                    finalTracks.Add(existingTrack);
                 }
-                catch (Exception ex)
+                else if (matchedBySpotifyId.TryGetValue(missingTrack.SpotifyId, out var matchedTrack))
                 {
-                    _logger.LogDebug(ex, "Failed to match track: {Title} - {Artist}", 
-                        track.Title, track.PrimaryArtist);
-                    return null;
+                    finalTracks.Add(matchedTrack);
                 }
-            });
+                // Skip tracks we couldn't match
+            }
 
-            var matchedTracks = (await Task.WhenAll(matchTasks))
-                .Where(t => t != null)
-                .Cast<Song>()
-                .ToList();
+            await _cache.SetAsync(cacheKey, finalTracks, TimeSpan.FromHours(1));
 
-            await _cache.SetAsync(cacheKey, matchedTracks, TimeSpan.FromHours(1));
+            _logger.LogInformation("Final playlist: {Total} tracks ({Existing} local, {Matched} matched, {Missing} missing)", 
+                finalTracks.Count,
+                existingTracks.Count,
+                matchedBySpotifyId.Count,
+                missingTracks.Count - existingTracks.Count - matchedBySpotifyId.Count);
 
-            _logger.LogInformation("Matched {Matched}/{Total} tracks for {Playlist}", 
-                matchedTracks.Count, missingTracks.Count, spotifyPlaylistName);
-
-            return _responseBuilder.CreateItemsResponse(matchedTracks);
+            return _responseBuilder.CreateItemsResponse(finalTracks);
         }
         catch (Exception ex)
         {
@@ -1977,6 +2069,164 @@ public class JellyfinController : ControllerBase
         }
     }
 
+    /// <summary>
+    /// Manual trigger endpoint to force fetch Spotify missing tracks.
+    /// GET /spotify/sync?api_key=YOUR_KEY
+    /// </summary>
+    [HttpGet("spotify/sync")]
+    [ServiceFilter(typeof(ApiKeyAuthFilter))]
+    public async Task<IActionResult> TriggerSpotifySync()
+    {
+        if (!_spotifySettings.Enabled)
+        {
+            return BadRequest(new { error = "Spotify Import is not enabled" });
+        }
+
+        _logger.LogInformation("Manual Spotify sync triggered");
+        
+        var results = new Dictionary<string, object>();
+        
+        for (int i = 0; i < _spotifySettings.PlaylistIds.Count; i++)
+        {
+            var playlistId = _spotifySettings.PlaylistIds[i];
+            
+            try
+            {
+                // Use configured name if available, otherwise use ID
+                var playlistName = i < _spotifySettings.PlaylistNames.Count 
+                    ? _spotifySettings.PlaylistNames[i]
+                    : playlistId;
+                
+                _logger.LogInformation("Fetching missing tracks for {Playlist} (ID: {Id})", playlistName, playlistId);
+                
+                // Try to fetch the missing tracks file - search last 24 hours
+                var now = DateTime.UtcNow;
+                var searchStart = now.AddHours(-24);
+                
+                var httpClient = new HttpClient();
+                var found = false;
+                
+                // Search every minute for the last 24 hours (1440 attempts max)
+                for (var time = searchStart; time <= now; time = time.AddMinutes(1))
+                {
+                    var filename = $"{playlistName}_missing_{time:yyyy-MM-dd_HH-mm}.json";
+                    var url = $"{_settings.Url}/Viperinius.Plugin.SpotifyImport/MissingTracksFile" +
+                             $"?name={Uri.EscapeDataString(filename)}&api_key={_settings.ApiKey}";
+                    
+                    try
+                    {
+                        _logger.LogDebug("Trying {Filename}", filename);
+                        var response = await httpClient.GetAsync(url);
+                        if (response.IsSuccessStatusCode)
+                        {
+                            var json = await response.Content.ReadAsStringAsync();
+                            var tracks = ParseMissingTracksJson(json);
+                            
+                            if (tracks.Count > 0)
+                            {
+                                var cacheKey = $"spotify:missing:{playlistName}";
+                                await _cache.SetAsync(cacheKey, tracks, TimeSpan.FromHours(24));
+                                
+                                results[playlistName] = new { 
+                                    status = "success", 
+                                    tracks = tracks.Count, 
+                                    filename = filename 
+                                };
+                                
+                                _logger.LogInformation("✓ Cached {Count} missing tracks for {Playlist} from {Filename}", 
+                                    tracks.Count, playlistName, filename);
+                                found = true;
+                                break;
+                            }
+                        }
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.LogDebug(ex, "Failed to fetch {Filename}", filename);
+                    }
+                }
+                
+                if (!found)
+                {
+                    results[playlistName] = new { status = "not_found", message = "No missing tracks file found" };
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error syncing playlist {PlaylistId}", playlistId);
+                results[playlistId] = new { status = "error", message = ex.Message };
+            }
+        }
+        
+        return Ok(results);
+    }
+    
+    private List<allstarr.Models.Spotify.MissingTrack> ParseMissingTracksJson(string json)
+    {
+        var tracks = new List<allstarr.Models.Spotify.MissingTrack>();
+        
+        try
+        {
+            var doc = JsonDocument.Parse(json);
+            
+            foreach (var item in doc.RootElement.EnumerateArray())
+            {
+                var track = new allstarr.Models.Spotify.MissingTrack
+                {
+                    SpotifyId = item.GetProperty("Id").GetString() ?? "",
+                    Title = item.GetProperty("Name").GetString() ?? "",
+                    Album = item.GetProperty("AlbumName").GetString() ?? "",
+                    Artists = item.GetProperty("ArtistNames")
+                        .EnumerateArray()
+                        .Select(a => a.GetString() ?? "")
+                        .Where(a => !string.IsNullOrEmpty(a))
+                        .ToList()
+                };
+                
+                if (!string.IsNullOrEmpty(track.Title))
+                {
+                    tracks.Add(track);
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to parse missing tracks JSON");
+        }
+        
+        return tracks;
+    }
+
+    #endregion
+    
+    #region Spotify Debug
+    
+    /// <summary>
+    /// Clear Spotify playlist cache to force re-matching.
+    /// GET /spotify/clear-cache?api_key=YOUR_KEY
+    /// </summary>
+    [HttpGet("spotify/clear-cache")]
+    [ServiceFilter(typeof(ApiKeyAuthFilter))]
+    public async Task<IActionResult> ClearSpotifyCache()
+    {
+        if (!_spotifySettings.Enabled)
+        {
+            return BadRequest(new { error = "Spotify Import is not enabled" });
+        }
+
+        var cleared = new List<string>();
+        
+        foreach (var playlistName in _spotifySettings.PlaylistNames)
+        {
+            var matchedKey = $"spotify:matched:{playlistName}";
+            await _cache.DeleteAsync(matchedKey);
+            cleared.Add(playlistName);
+            _logger.LogInformation("Cleared cache for {Playlist}", playlistName);
+        }
+        
+        return Ok(new { status = "success", cleared = cleared });
+    }
+    
     #endregion
 }
 // force rebuild Sun Jan 25 13:22:47 EST 2026

allstarr/Filters/ApiKeyAuthFilter.cs

@@ -0,0 +1,52 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Filters;
+using Microsoft.Extensions.Options;
+using allstarr.Models.Settings;
+
+namespace allstarr.Filters;
+
+/// <summary>
+/// Simple API key authentication filter for admin endpoints.
+/// Validates against Jellyfin API key via query parameter or header.
+/// </summary>
+public class ApiKeyAuthFilter : IAsyncActionFilter
+{
+    private readonly JellyfinSettings _settings;
+    private readonly ILogger<ApiKeyAuthFilter> _logger;
+
+    public ApiKeyAuthFilter(
+        IOptions<JellyfinSettings> settings,
+        ILogger<ApiKeyAuthFilter> logger)
+    {
+        _settings = settings.Value;
+        _logger = logger;
+    }
+
+    public async Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
+    {
+        var request = context.HttpContext.Request;
+        
+        // Extract API key from query parameter or header
+        var apiKey = request.Query["api_key"].FirstOrDefault()
+                  ?? request.Headers["X-Api-Key"].FirstOrDefault()
+                  ?? request.Headers["X-Emby-Token"].FirstOrDefault();
+
+        // Validate API key
+        if (string.IsNullOrEmpty(apiKey) || !string.Equals(apiKey, _settings.ApiKey, StringComparison.Ordinal))
+        {
+            _logger.LogWarning("Unauthorized access attempt to {Path} from {IP}", 
+                request.Path, 
+                context.HttpContext.Connection.RemoteIpAddress);
+            
+            context.Result = new UnauthorizedObjectResult(new
+            {
+                error = "Unauthorized",
+                message = "Valid API key required. Provide via ?api_key=YOUR_KEY or X-Api-Key header."
+            });
+            return;
+        }
+
+        _logger.LogDebug("API key authentication successful for {Path}", request.Path);
+        await next();
+    }
+}

allstarr/Models/Settings/SpotifyImportSettings.cs

@@ -36,4 +36,12 @@ public class SpotifyImportSettings
     /// Get IDs from Jellyfin playlist URLs
     /// </summary>
     public List<string> PlaylistIds { get; set; } = new();
+    
+    /// <summary>
+    /// Comma-separated list of playlist names (must match Spotify Import plugin format)
+    /// Example: "Discover_Weekly,Release_Radar"
+    /// Must be in same order as PlaylistIds
+    /// Plugin replaces spaces with underscores in filenames
+    /// </summary>
+    public List<string> PlaylistNames { get; set; } = new();
 }

allstarr/Program.cs

@@ -124,12 +124,24 @@ builder.Services.Configure<SpotifyImportSettings>(options =>
             .ToList();
     }
     
+    // Parse SPOTIFY_IMPORT_PLAYLIST_NAMES env var (comma-separated) into PlaylistNames array
+    var playlistNamesEnv = builder.Configuration.GetValue<string>("SpotifyImport:PlaylistNames");
+    if (!string.IsNullOrWhiteSpace(playlistNamesEnv) && options.PlaylistNames.Count == 0)
+    {
+        options.PlaylistNames = playlistNamesEnv
+            .Split(',', StringSplitOptions.RemoveEmptyEntries)
+            .Select(name => name.Trim())
+            .Where(name => !string.IsNullOrEmpty(name))
+            .ToList();
+    }
+    
     // Log configuration at startup
     Console.WriteLine($"Spotify Import: Enabled={options.Enabled}, SyncHour={options.SyncStartHour}:{options.SyncStartMinute:D2}, WindowHours={options.SyncWindowHours}");
     Console.WriteLine($"Spotify Import Playlist IDs: {options.PlaylistIds.Count} configured");
-    foreach (var id in options.PlaylistIds)
+    for (int i = 0; i < options.PlaylistIds.Count; i++)
     {
-        Console.WriteLine($"  - {id}");
+        var name = i < options.PlaylistNames.Count ? options.PlaylistNames[i] : options.PlaylistIds[i];
+        Console.WriteLine($"  - {name} (ID: {options.PlaylistIds[i]})");
     }
 });
 
@@ -162,6 +174,7 @@ if (backendType == BackendType.Jellyfin)
     builder.Services.AddSingleton<JellyfinModelMapper>();
     builder.Services.AddScoped<JellyfinProxyService>();
     builder.Services.AddScoped<JellyfinAuthFilter>();
+    builder.Services.AddScoped<allstarr.Filters.ApiKeyAuthFilter>();
 }
 else
 {

allstarr/Services/Jellyfin/JellyfinResponseBuilder.cs

@@ -289,6 +289,24 @@ public class JellyfinResponseBuilder
                 var providerIds = (Dictionary<string, string>)item["ProviderIds"]!;
                 providerIds["ISRC"] = song.Isrc;
             }
+            
+            // Add MediaSources with bitrate for external tracks
+            item["MediaSources"] = new[]
+            {
+                new Dictionary<string, object?>
+                {
+                    ["Id"] = song.Id,
+                    ["Type"] = "Default",
+                    ["Container"] = "flac",
+                    ["Size"] = (song.Duration ?? 180) * 1337 * 128, // Approximate file size
+                    ["Bitrate"] = 1337000, // 1337 kbps in bps
+                    ["Path"] = $"/music/{song.Artist}/{song.Album}/{song.Title}.flac",
+                    ["Protocol"] = "File",
+                    ["SupportsDirectStream"] = true,
+                    ["SupportsTranscoding"] = true,
+                    ["SupportsDirectPlay"] = true
+                }
+            };
         }
 
         if (!string.IsNullOrEmpty(song.Genre))

allstarr/Services/Spotify/SpotifyMissingTracksFetcher.cs

@@ -111,27 +111,15 @@ public class SpotifyMissingTracksFetcher : BackgroundService
     {
         _playlistIdToName.Clear();
         
-        using var scope = _serviceProvider.CreateScope();
-        var proxyService = scope.ServiceProvider.GetRequiredService<JellyfinProxyService>();
-        
-        foreach (var playlistId in _spotifySettings.Value.PlaylistIds)
+        // Use configured playlist names instead of fetching from API
+        for (int i = 0; i < _spotifySettings.Value.PlaylistIds.Count; i++)
         {
-            try
-            {
-                var playlistInfo = await proxyService.GetJsonAsync($"Items/{playlistId}", null, null);
-                if (playlistInfo != null && playlistInfo.RootElement.TryGetProperty("Name", out var nameElement))
-                {
-                    var name = nameElement.GetString() ?? "";
-                    if (!string.IsNullOrEmpty(name))
-                    {
-                        _playlistIdToName[playlistId] = name;
-                    }
-                }
-            }
-            catch (Exception ex)
-            {
-                _logger.LogWarning(ex, "Failed to get name for playlist {PlaylistId}", playlistId);
-            }
+            var playlistId = _spotifySettings.Value.PlaylistIds[i];
+            var playlistName = i < _spotifySettings.Value.PlaylistNames.Count
+                ? _spotifySettings.Value.PlaylistNames[i]
+                : playlistId; // Fallback to ID if name not configured
+            
+            _playlistIdToName[playlistId] = playlistName;
         }
     }
 
@@ -158,12 +146,13 @@ public class SpotifyMissingTracksFetcher : BackgroundService
             .AddMinutes(settings.SyncStartMinute);
         var syncEnd = syncStart.AddHours(settings.SyncWindowHours);
 
-        if (now < syncStart || now > syncEnd)
+        // Only run after the sync window has passed
+        if (now < syncEnd)
         {
             return;
         }
 
-        _logger.LogInformation("Within sync window, fetching missing tracks...");
+        _logger.LogInformation("Sync window passed, searching last 24 hours for missing tracks...");
 
         foreach (var kvp in _playlistIdToName)
         {
@@ -187,46 +176,106 @@ public class SpotifyMissingTracksFetcher : BackgroundService
         var jellyfinUrl = _jellyfinSettings.Value.Url;
         var apiKey = _jellyfinSettings.Value.ApiKey;
         var httpClient = _httpClientFactory.CreateClient();
-        var today = DateTime.UtcNow.Date;
-        var syncStart = today
+        
+        // Start from the configured sync time (most likely time)
+        var now = DateTime.UtcNow;
+        var todaySync = now.Date
             .AddHours(settings.SyncStartHour)
             .AddMinutes(settings.SyncStartMinute);
-        var syncEnd = syncStart.AddHours(settings.SyncWindowHours);
         
-        _logger.LogInformation("Searching for missing tracks file for {Playlist}", playlistName);
+        // If we haven't reached today's sync time yet, start from yesterday's sync time
+        var syncTime = now >= todaySync ? todaySync : todaySync.AddDays(-1);
 
-        for (var time = syncStart; time <= syncEnd; time = time.AddMinutes(5))
+        _logger.LogInformation("Searching ±12 hours around {SyncTime} for {Playlist}", 
+            syncTime, playlistName);
+
+        var found = false;
+        
+        // Search forward 12 hours from sync time
+        for (var minutesAhead = 0; minutesAhead <= 720; minutesAhead++) // 720 minutes = 12 hours
         {
             if (cancellationToken.IsCancellationRequested) break;
 
-            var filename = $"{playlistName}_missing_{time:yyyy-MM-dd_HH-mm}.json";
-            var url = $"{jellyfinUrl}/Viperinius.Plugin.SpotifyImport/MissingTracksFile" +
-                     $"?name={Uri.EscapeDataString(filename)}&api_key={apiKey}";
-
-            try
+            var time = syncTime.AddMinutes(minutesAhead);
+            if (await TryFetchMissingTracksFile(playlistName, time, jellyfinUrl, apiKey, httpClient, cancellationToken))
             {
-                _logger.LogDebug("Trying {Filename}", filename);
-                var response = await httpClient.GetAsync(url, cancellationToken);
-                if (response.IsSuccessStatusCode)
-                {
-                    var json = await response.Content.ReadAsStringAsync(cancellationToken);
-                    var tracks = ParseMissingTracks(json);
-                    
-                    if (tracks.Count > 0)
-                    {
-                        await _cache.SetAsync(cacheKey, tracks, TimeSpan.FromHours(24));
-                        _logger.LogInformation(
-                            "✓ Cached {Count} missing tracks for {Playlist} from {Filename}",
-                            tracks.Count, playlistName, filename);
-                        break;
-                    }
-                }
+                found = true;
+                break;
             }
-            catch (Exception ex)
+            
+            // Small delay every 60 requests
+            if (minutesAhead > 0 && minutesAhead % 60 == 0)
             {
-                _logger.LogDebug(ex, "Failed to fetch {Filename}", filename);
+                await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken);
             }
         }
+        
+        // Then search backwards 12 hours from sync time
+        if (!found)
+        {
+            for (var minutesBehind = 1; minutesBehind <= 720; minutesBehind++)
+            {
+                if (cancellationToken.IsCancellationRequested) break;
+
+                var time = syncTime.AddMinutes(-minutesBehind);
+                if (await TryFetchMissingTracksFile(playlistName, time, jellyfinUrl, apiKey, httpClient, cancellationToken))
+                {
+                    found = true;
+                    break;
+                }
+                
+                // Small delay every 60 requests
+                if (minutesBehind % 60 == 0)
+                {
+                    await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken);
+                }
+            }
+        }
+        
+        if (!found)
+        {
+            _logger.LogWarning("Could not find missing tracks file for {Playlist} in ±12 hour window", playlistName);
+        }
+    }
+
+    private async Task<bool> TryFetchMissingTracksFile(
+        string playlistName,
+        DateTime time,
+        string jellyfinUrl,
+        string apiKey,
+        HttpClient httpClient,
+        CancellationToken cancellationToken)
+    {
+        var filename = $"{playlistName}_missing_{time:yyyy-MM-dd_HH-mm}.json";
+        var url = $"{jellyfinUrl}/Viperinius.Plugin.SpotifyImport/MissingTracksFile" +
+                 $"?name={Uri.EscapeDataString(filename)}&api_key={apiKey}";
+
+        try
+        {
+            _logger.LogDebug("Trying {Filename}", filename);
+            var response = await httpClient.GetAsync(url, cancellationToken);
+            if (response.IsSuccessStatusCode)
+            {
+                var json = await response.Content.ReadAsStringAsync(cancellationToken);
+                var tracks = ParseMissingTracks(json);
+                
+                if (tracks.Count > 0)
+                {
+                    var cacheKey = $"spotify:missing:{playlistName}";
+                    await _cache.SetAsync(cacheKey, tracks, TimeSpan.FromHours(24));
+                    _logger.LogInformation(
+                        "✓ Cached {Count} missing tracks for {Playlist} from {Filename}",
+                        tracks.Count, playlistName, filename);
+                    return true;
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogDebug(ex, "Failed to fetch {Filename}", filename);
+        }
+        
+        return false;
     }
 
     private List<MissingTrack> ParseMissingTracks(string json)

allstarr/Services/SquidWTF/SquidWTFMetadataService.cs

@@ -78,11 +78,18 @@ public class SquidWTFMetadataService : IMusicMetadataService
             
             if (!response.IsSuccessStatusCode)
             {
-                return new List<Song>();
+                throw new HttpRequestException($"HTTP {response.StatusCode}");
             }
             
             var json = await response.Content.ReadAsStringAsync();
+            
+            // Check for error in response body
             var result = JsonDocument.Parse(json);
+            if (result.RootElement.TryGetProperty("detail", out _) || 
+                result.RootElement.TryGetProperty("error", out _))
+            {
+                throw new HttpRequestException("API returned error response");
+            }
             
             var songs = new List<Song>();
             if (result.RootElement.TryGetProperty("data", out var data) &&

docker-compose.yml

@@ -80,6 +80,7 @@ services:
       - SpotifyImport__SyncStartMinute=${SPOTIFY_IMPORT_SYNC_START_MINUTE:-15}
       - SpotifyImport__SyncWindowHours=${SPOTIFY_IMPORT_SYNC_WINDOW_HOURS:-2}
       - SpotifyImport__PlaylistIds=${SPOTIFY_IMPORT_PLAYLIST_IDS:-}
+      - SpotifyImport__PlaylistNames=${SPOTIFY_IMPORT_PLAYLIST_NAMES:-}
       
       # ===== SHARED =====
       - Library__DownloadPath=/app/downloads