fix: multiple bugfixes for v3.0.0-beta.2

lib/constants/app_info.dart

@@ -1,8 +1,8 @@
 /// App version and info constants
 /// Update version here only - all other files will reference this
 class AppInfo {
-  static const String version = '3.0.0-beta.1';
-  static const String buildNumber = '54';
+  static const String version = '3.0.0-beta.2';
+  static const String buildNumber = '56';
   static const String fullVersion = '$version+$buildNumber';
   
   

lib/providers/download_queue_provider.dart

@@ -1557,6 +1557,12 @@ class DownloadQueueNotifier extends Notifier<DownloadQueueState> {
 
       if (result['success'] == true) {
         var filePath = result['file_path'] as String?;
+        
+        // Strip EXISTS: prefix from duplicate detection
+        if (filePath != null && filePath.startsWith('EXISTS:')) {
+          filePath = filePath.substring(7); // Remove "EXISTS:" prefix
+        }
+        
         _log.i('Download success, file: $filePath');
 
         // Get actual quality from response (if available)

lib/screens/queue_tab.dart

@@ -115,7 +115,8 @@ class _QueueTabState extends ConsumerState<QueueTab> {
         final item = items.where((e) => e.id == id).firstOrNull;
         if (item != null) {
           try {
-            final file = File(item.filePath);
+            final cleanPath = _cleanFilePath(item.filePath);
+            final file = File(cleanPath);
             if (await file.exists()) {
               await file.delete();
             }
@@ -135,31 +136,43 @@ class _QueueTabState extends ConsumerState<QueueTab> {
     }
   }
 
+  /// Strip EXISTS: prefix from file path (legacy history items)
+  String _cleanFilePath(String? filePath) {
+    if (filePath == null) return '';
+    if (filePath.startsWith('EXISTS:')) {
+      return filePath.substring(7);
+    }
+    return filePath;
+  }
+
   bool _checkFileExists(String? filePath) {
     if (filePath == null) return false;
-    if (_fileExistsCache.containsKey(filePath)) {
-      return _fileExistsCache[filePath]!;
+    final cleanPath = _cleanFilePath(filePath);
+    if (cleanPath.isEmpty) return false;
+    if (_fileExistsCache.containsKey(cleanPath)) {
+      return _fileExistsCache[cleanPath]!;
     }
-    if (_pendingChecks.contains(filePath)) {
+    if (_pendingChecks.contains(cleanPath)) {
       return true;
     }
     if (_fileExistsCache.length >= _maxCacheSize) {
       _fileExistsCache.remove(_fileExistsCache.keys.first);
     }
-    _pendingChecks.add(filePath);
+    _pendingChecks.add(cleanPath);
     Future.microtask(() async {
-      final exists = await File(filePath).exists();
-      _pendingChecks.remove(filePath);
-      if (mounted && _fileExistsCache[filePath] != exists) {
-        setState(() => _fileExistsCache[filePath] = exists);
+      final exists = await File(cleanPath).exists();
+      _pendingChecks.remove(cleanPath);
+      if (mounted && _fileExistsCache[cleanPath] != exists) {
+        setState(() => _fileExistsCache[cleanPath] = exists);
       }
     });
     return true;
   }
 
   Future<void> _openFile(String filePath) async {
+    final cleanPath = _cleanFilePath(filePath);
     try {
-      await OpenFilex.open(filePath);
+      await OpenFilex.open(cleanPath);
     } catch (e) {
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(

lib/screens/track_metadata_screen.dart

@@ -34,7 +34,13 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
   }
 
   Future<void> _checkFile() async {
-    final file = File(widget.item.filePath);
+    // Strip EXISTS: prefix from legacy history items
+    var filePath = widget.item.filePath;
+    if (filePath.startsWith('EXISTS:')) {
+      filePath = filePath.substring(7);
+    }
+    
+    final file = File(filePath);
     final exists = await file.exists();
     int? size;
     
@@ -67,6 +73,12 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
   int? get discNumber => item.discNumber;
   String? get releaseDate => item.releaseDate;
   String? get isrc => item.isrc;
+  
+  // Clean filePath - strip EXISTS: prefix from legacy history items
+  String get cleanFilePath {
+    final path = item.filePath;
+    return path.startsWith('EXISTS:') ? path.substring(7) : path;
+  }
   int? get bitDepth => item.bitDepth;
   int? get sampleRate => item.sampleRate;
 
@@ -515,7 +527,7 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
   }
 
   Widget _buildFileInfoCard(BuildContext context, ColorScheme colorScheme, bool fileExists, int? fileSize) {
-    final fileName = item.filePath.split(Platform.pathSeparator).last;
+    final fileName = cleanFilePath.split(Platform.pathSeparator).last;
     final fileExtension = fileName.contains('.') ? fileName.split('.').last.toUpperCase() : 'Unknown';
     
     return Card(
@@ -631,7 +643,7 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
             
             // File path
             InkWell(
-              onTap: () => _copyToClipboard(context, item.filePath),
+              onTap: () => _copyToClipboard(context, cleanFilePath),
               borderRadius: BorderRadius.circular(12),
               child: Container(
                 padding: const EdgeInsets.all(12),
@@ -643,7 +655,7 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
                   children: [
                     Expanded(
                       child: Text(
-                        item.filePath,
+                        cleanFilePath,
                         style: Theme.of(context).textTheme.bodySmall?.copyWith(
                           fontFamily: 'monospace',
                           color: colorScheme.onSurfaceVariant,
@@ -776,7 +788,7 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
         item.spotifyId ?? '',
         item.trackName,
         item.artistName,
-        filePath: _fileExists ? item.filePath : null, // Try embedded lyrics first
+        filePath: _fileExists ? cleanFilePath : null, // Try embedded lyrics first
       ).timeout(
         const Duration(seconds: 20),
         onTimeout: () => '', // Return empty string on timeout
@@ -833,7 +845,7 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
         Expanded(
           flex: 2,
           child: FilledButton.icon(
-            onPressed: fileExists ? () => _openFile(context, item.filePath) : null,
+            onPressed: fileExists ? () => _openFile(context, cleanFilePath) : null,
             icon: const Icon(Icons.play_arrow),
             label: const Text('Play'),
             style: FilledButton.styleFrom(
@@ -890,7 +902,7 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
               title: const Text('Copy file path'),
               onTap: () {
                 Navigator.pop(context);
-                _copyToClipboard(context, item.filePath);
+                _copyToClipboard(context, cleanFilePath);
               },
             ),
             ListTile(
@@ -933,7 +945,7 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
             onPressed: () async {
               // Delete the file first
               try {
-                final file = File(item.filePath);
+                final file = File(cleanFilePath);
                 if (await file.exists()) {
                   await file.delete();
                 }
@@ -984,7 +996,7 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
   }
 
   Future<void> _shareFile(BuildContext context) async {
-    final file = File(item.filePath);
+    final file = File(cleanFilePath);
     if (!await file.exists()) {
       if (context.mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
@@ -996,7 +1008,7 @@ class _TrackMetadataScreenState extends ConsumerState<TrackMetadataScreen> {
     
     await SharePlus.instance.share(
       ShareParams(
-        files: [XFile(item.filePath)],
+        files: [XFile(cleanFilePath)],
         text: '${item.trackName} - ${item.artistName}',
       ),
     );