chore: 统一代码风格

src/AtlFieldExtractor/DumpCodingHistory.cs

@@ -41,10 +41,10 @@ class DumpCodingHistory
     {
         Console.WriteLine($"处理: {wavFilePath}");
 
-        var track = new Track(wavFilePath);
+        Track track = new(wavFilePath);
 
         if (track.AdditionalFields == null ||
-            !track.AdditionalFields.TryGetValue("bext.codingHistory", out var codingHistory))
+            !track.AdditionalFields.TryGetValue("bext.codingHistory", out string? codingHistory))
         {
             Console.WriteLine("  -> 无 bext.codingHistory 字段");
             return;
@@ -53,8 +53,8 @@ class DumpCodingHistory
         Console.WriteLine($"  -> 字符串长度: {codingHistory.Length}");
 
         // 用 Latin-1 编码转回字节（Latin-1 把 Unicode 0x00-0xFF 直接映射为 byte 0x00-0xFF）
-        var bytes = System.Text.Encoding.Latin1.GetBytes(codingHistory);
+        byte[] bytes = System.Text.Encoding.Latin1.GetBytes(codingHistory);
-        var outputPath = Path.Combine(
+        string outputPath = Path.Combine(
             Path.GetDirectoryName(wavFilePath)!,
             Path.GetFileNameWithoutExtension(wavFilePath) + ".codingHistory.bin"
         );
@@ -64,7 +64,7 @@ class DumpCodingHistory
         Console.WriteLine($"  -> 字节数: {bytes.Length}");
 
         // 打印前 64 个字节的 hex
-        var hexPreview = Math.Min(64, bytes.Length);
+        int hexPreview = Math.Min(64, bytes.Length);
         Console.Write("  -> Hex 前 64 字节: ");
         for (int i = 0; i < hexPreview; i++)
         {
@@ -77,7 +77,7 @@ class DumpCodingHistory
         Console.Write("  -> ASCII 前 64 字节: ");
         for (int i = 0; i < hexPreview; i++)
         {
-            var c = (char)bytes[i];
+            char c = (char)bytes[i];
             Console.Write(c >= 32 && c < 127 ? c : '.');
             if ((i + 1) % 16 == 0) Console.Write(" ");
         }

src/AtlFieldExtractor/Program.cs

@@ -20,11 +20,11 @@ class Program
         }
     
         // 查找所有 WAV 文件
-        var wavFiles = Directory.GetFiles(sourceDir, "*.wav", SearchOption.AllDirectories);
+        string[] wavFiles = Directory.GetFiles(sourceDir, "*.wav", SearchOption.AllDirectories);
     
         Console.WriteLine($"找到 {wavFiles.Length} 个 WAV 文件");
     
-        foreach (var wavFile in wavFiles)
+        foreach (string wavFile in wavFiles)
         {
             try
             {
@@ -44,10 +44,10 @@ class Program
     {
         Console.WriteLine($"处理: {wavFilePath}");
 
-        var track = new Track(wavFilePath);
+        Track track = new(wavFilePath);
-        var outputPath = Path.ChangeExtension(wavFilePath, ".atl.txt");
+        string outputPath = Path.ChangeExtension(wavFilePath, ".atl.txt");
 
-        using var writer = new StreamWriter(outputPath);
+        using StreamWriter writer = new(outputPath);
         writer.WriteLine("=== ATL Track 基础属性 ===");
         writer.WriteLine();
 
@@ -91,7 +91,7 @@ class Program
         // 打印所有附加字段
         if (track.AdditionalFields != null && track.AdditionalFields.Count > 0)
         {
-            foreach (var field in track.AdditionalFields.OrderBy(f => f.Key))
+            foreach (KeyValuePair<string, string> field in track.AdditionalFields.OrderBy(f => f.Key))
             {
                 writer.WriteLine($"[{field.Key}] = {field.Value}");
             }
@@ -108,7 +108,7 @@ class Program
         // 打印图片信息
         if (track.EmbeddedPictures != null && track.EmbeddedPictures.Count > 0)
         {
-            foreach (var pic in track.EmbeddedPictures)
+            foreach (PictureInfo? pic in track.EmbeddedPictures)
             {
                 writer.WriteLine($"PictureType: {pic.PicType}");
                 writer.WriteLine($"Description: {pic.Description}");
@@ -129,7 +129,7 @@ class Program
         // 打印章节信息
         if (track.Chapters != null && track.Chapters.Count > 0)
         {
-            foreach (var chapter in track.Chapters)
+            foreach (ChapterInfo? chapter in track.Chapters)
             {
                 writer.WriteLine($"Title: {chapter.Title}");
                 writer.WriteLine($"StartTime: {chapter.StartTime}");

src/Core.Tests/DatabaseTests.cs

@@ -110,7 +110,7 @@ public class DatabaseTests
             Description = "Test explosion sound",
             Category = "SFX",
             Keywords = "test,boom,explosion",
-            FxName = "Test Explosion Boom"
+            FxName = "Test Explosion Boom",
         };
     }
 

src/Core/Database.cs

@@ -298,7 +298,7 @@ public static class Database
     private static readonly HashSet<string> AllowedSortColumns = new(StringComparer.OrdinalIgnoreCase)
     {
         "filename", "duration", "sample_rate", "channels",
-        "date_added", "rating", "type", "category", "id"
+        "date_added", "rating", "type", "category", "id",
     };
 
     /// <summary>
@@ -483,12 +483,12 @@ public static class Database
         using IDbConnection connection = GetConnection();
         connection.Open();
         const string sql = "SELECT keywords FROM audio_files WHERE keywords IS NOT NULL AND keywords != '';";
-        var rows = connection.Query<string>(sql);
+        IEnumerable<string> rows = connection.Query<string>(sql);
-        var allKeywords = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+        HashSet<string> allKeywords = new(StringComparer.OrdinalIgnoreCase);
-        foreach (var row in rows)
+        foreach (string row in rows)
         {
             if (string.IsNullOrWhiteSpace(row)) continue;
-            foreach (var part in row.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries))
+            foreach (string part in row.Split(',', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries))
             {
                 if (!string.IsNullOrWhiteSpace(part))
                     allKeywords.Add(part);

src/Core/PreferencesManager.cs

@@ -28,7 +28,7 @@ public static class PreferencesManager
         // 文件不存在或反序列化失败 → 创建默认实例
         CurrentPreferences = new Preferences
         {
-            DatabasePath = GetDefaultDatabasePath()
+            DatabasePath = GetDefaultDatabasePath(),
         };
 
         // 立即落盘，确保下次启动能直接读取

src/GUI/Converters/ValueConverters.cs

@@ -8,7 +8,7 @@ public class DurationFormatConverter : IValueConverter
     public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
         if (value is not double duration) return "--:--";
-        var ts = TimeSpan.FromSeconds(duration);
+        TimeSpan ts = TimeSpan.FromSeconds(duration);
         if (ts.TotalHours >= 1)
             return ts.ToString(@"h\:mm\:ss\.ff");
         return ts.ToString(@"m\:ss\.ff");
@@ -40,7 +40,7 @@ public class ChannelsFormatConverter : IValueConverter
             int ch when ch == 2 => "Stereo",
             null => "--",
             int ch => $"{ch}ch",
-            _ => "--"
+            _ => "--",
         };
     }
 
@@ -77,7 +77,7 @@ public class PositionFormatConverter : IValueConverter
     public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
         if (value is not double pos) return "0:00";
-        var ts = TimeSpan.FromSeconds(pos);
+        TimeSpan ts = TimeSpan.FromSeconds(pos);
         return ts.ToString(@"m\:ss");
     }
 

src/GUI/Services/SyncChannelManager.cs

@@ -6,7 +6,7 @@ public class SyncChannelManager
 
     public SyncChannel GetOrCreate(string id)
     {
-        if (!_channels.TryGetValue(id, out var channel))
+        if (!_channels.TryGetValue(id, out SyncChannel? channel))
         {
             channel = new SyncChannel(id);
             _channels[id] = channel;

src/GUI/ViewLocator.cs

@@ -19,8 +19,8 @@ public class ViewLocator : IDataTemplate
         if (param is null)
             return null;
 
-        var name = param.GetType().FullName!.Replace("ViewModel", "View", StringComparison.Ordinal);
+        string name = param.GetType().FullName!.Replace("ViewModel", "View", StringComparison.Ordinal);
-        var type = Type.GetType(name);
+        Type? type = Type.GetType(name);
 
         if (type != null)
         {

src/GUI/ViewModels/FileListViewModel.cs

@@ -28,7 +28,7 @@ public partial class FileListViewModel : ViewModelBase
 
     public string[] SortOptions { get; } =
     [
-        "date_added", "filename", "duration", "sample_rate", "channels", "rating", "type", "category"
+        "date_added", "filename", "duration", "sample_rate", "channels", "rating", "type", "category",
     ];
 
     public FileListViewModel(SyncChannel channel)
@@ -60,7 +60,7 @@ public partial class FileListViewModel : ViewModelBase
             IsLoading = true;
             Files.Clear();
 
-            var entries = Database.QueryEntries(
+            IEnumerable<AudioFileMeta> entries = Database.QueryEntries(
                 searchText: string.IsNullOrWhiteSpace(_channel.SearchText) ? null : _channel.SearchText,
                 category: _channel.FilterCategory,
                 sortBy: SelectedSortBy,
@@ -73,7 +73,7 @@ public partial class FileListViewModel : ViewModelBase
             );
 
             // 如果有 FilterKeyword，在客户端过滤（Keywords 字段 LIKE 搜索）
-            foreach (var entry in entries)
+            foreach (AudioFileMeta entry in entries)
             {
                 if (!string.IsNullOrWhiteSpace(_channel.FilterKeyword))
                 {

src/GUI/ViewModels/ScanProgressViewModel.cs

@@ -34,11 +34,11 @@ public partial class ScanProgressViewModel : ViewModelBase
 
             Database.InitializeDatabase();
 
-            var scanner = new AudioFileScanner();
+            AudioFileScanner scanner = new();
-            var reader = new AudioMetadataReader();
+            AudioMetadataReader reader = new();
-            var validator = new AudioFileMetaValidator();
+            AudioFileMetaValidator validator = new();
 
-            var files = scanner.ScanDirectory(directory, recursive: true).ToList();
+            List<string> files = scanner.ScanDirectory(directory, recursive: true).ToList();
             TotalFiles = files.Count;
             ProcessedFiles = 0;
             AddedFiles = 0;
@@ -47,15 +47,15 @@ public partial class ScanProgressViewModel : ViewModelBase
 
             StatusText = $"发现 {TotalFiles} 个文件，正在解析元数据...";
 
-            foreach (var filePath in files)
+            foreach (string filePath in files)
             {
-                CurrentFile = System.IO.Path.GetFileName(filePath);
+                CurrentFile = Path.GetFileName(filePath);
                 ProcessedFiles++;
 
                 try
                 {
-                    var fileInfo = new FileInfo(filePath);
+                    FileInfo fileInfo = new(filePath);
-                    var meta = reader.ReadMetadata(fileInfo);
+                    AudioFileMeta? meta = reader.ReadMetadata(fileInfo);
 
                     if (meta == null)
                     {

src/GUI/ViewModels/TagTreeViewModel.cs

@@ -28,14 +28,14 @@ public partial class TagTreeViewModel : ViewModelBase
             CategoryNodes.Clear();
             KeywordNodes.Clear();
 
-            var categories = Database.GetAllCategories();
+            IEnumerable<string> categories = Database.GetAllCategories();
-            foreach (var cat in categories)
+            foreach (string cat in categories)
             {
                 CategoryNodes.Add(new TagTreeNode { Name = cat, Type = TagTreeNodeType.Category });
             }
 
-            var keywords = Database.GetAllKeywords();
+            IEnumerable<string> keywords = Database.GetAllKeywords();
-            foreach (var kw in keywords)
+            foreach (string kw in keywords)
             {
                 KeywordNodes.Add(new TagTreeNode { Name = kw, Type = TagTreeNodeType.Keyword });
             }
@@ -88,5 +88,5 @@ public partial class TagTreeNode : ObservableObject
 public enum TagTreeNodeType
 {
     Category,
-    Keyword
+    Keyword,
 }

src/GUI/Views/MainWindow.axaml.cs

@@ -1,5 +1,6 @@
 using Avalonia.Controls;
 using Avalonia.Interactivity;
+using Avalonia.Platform.Storage;
 using GUI.ViewModels;
 
 namespace GUI.Views;
@@ -9,22 +10,22 @@ public partial class MainWindow : Window
     public MainWindow()
     {
         InitializeComponent();
-        ScanButton.Click += OnScanButtonClick;
+        this.ScanButton.Click += OnScanButtonClick;
     }
 
     private async void OnScanButtonClick(object? sender, RoutedEventArgs e)
     {
         if (DataContext is not MainWindowViewModel vm) return;
 
-        var folders = await StorageProvider.OpenFolderPickerAsync(new Avalonia.Platform.Storage.FolderPickerOpenOptions
+        IReadOnlyList<IStorageFolder> folders = await StorageProvider.OpenFolderPickerAsync(new FolderPickerOpenOptions
         {
             Title = "选择音频目录",
-            AllowMultiple = false
+            AllowMultiple = false,
         });
 
         if (folders.Count > 0)
         {
-            var path = folders[0].Path.LocalPath;
+            string path = folders[0].Path.LocalPath;
             vm.RequestScan(path);
         }
     }

src/Resonance.sln.DotSettings.user

@@ -1,6 +1,9 @@
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+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AGUI_002EViewModels_002EScanProgressViewModel_002Eg_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002E_002E_003F_002E_002E_003FLibrary_003FApplication_0020Support_003FJetBrains_003FRider2026_002E1_003Fresharper_002Dhost_003FSourcesCache_003Fbb74b3c6eaaeb5d783f31310eae5345eba75596a_003FGUI_002EViewModels_002EScanProgressViewModel_002Eg_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AGUI_002EViewModels_002EScanProgressViewModel_002EStartScan_002Eg_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002E_002E_003F_002E_002E_003FLibrary_003FApplication_0020Support_003FJetBrains_003FRider2026_002E1_003Fresharper_002Dhost_003FSourcesCache_003F1a6f588df342309187674fcc524512a9a4a46540_003FGUI_002EViewModels_002EScanProgressViewModel_002EStartScan_002Eg_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
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+	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AIRelayCommand_007BT_007D_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002E_002E_003F_002E_002E_003FLibrary_003FApplication_0020Support_003FJetBrains_003FRider2026_002E1_003Fresharper_002Dhost_003FSourcesCache_003F49f2a292ecb417be1f61c426de242e503b4371a346bf5b68a843b462337e62_003FIRelayCommand_007BT_007D_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003AOSPlatform_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002E_002E_003F_002E_002E_003FLibrary_003FApplication_0020Support_003FJetBrains_003FRider2026_002E1_003Fresharper_002Dhost_003FSourcesCache_003F9e988c941e6515999ebab7336243c87df16e340b8faeb57b5f562d2b8a7c2c_003FOSPlatform_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>
 	<s:String x:Key="/Default/CodeInspection/ExcludedFiles/FilesAndFoldersToSkip2/=7020124F_002D9FFC_002D4AC3_002D8F3D_002DAAB8E0240759_002Ff_003ATrack_002Ecs_002Fl_003A_002E_002E_003F_002E_002E_003F_002E_002E_003F_002E_002E_003F_002E_002E_003FLibrary_003FApplication_0020Support_003FJetBrains_003FRider2026_002E1_003Fresharper_002Dhost_003FSourcesCache_003F872a20b9878a835418db772627eab53c29e04a65284443b02d35345255649a3a_003FTrack_002Ecs/@EntryIndexedValue">ForceIncluded</s:String>