fead.做了状态栏文字组件，支持了位置放置。

LanMountainDesktop/App.axaml.cs

@@ -67,6 +67,7 @@ public partial class App : Application
     private NativeMenuItem? _trayExitMenuItem;
     private PluginRuntimeService? _pluginRuntimeService;
     private MainWindow? _mainWindow;
+    private TransparentOverlayWindow? _transparentOverlayWindow;
     private bool _mainWindowClosed;
     private bool _uiUnhandledExceptionHooked;
     private DesktopShellHost? _desktopShellHost;
@@ -148,6 +149,11 @@ public partial class App : Application
         LinuxDesktopEntryInstaller.EnsureInstalled();
         DesktopBootstrap.InitializeApplication(this, InitializeDesktopShell);
 
+        if (!Design.IsDesignMode && OperatingSystem.IsWindows())
+        {
+            FusedDesktopManagerServiceFactory.GetOrCreate().Initialize();
+        }
+
         base.OnFrameworkInitializationCompleted();
     }
 
@@ -218,12 +224,59 @@ public partial class App : Application
     {
         _ = sender;
         _ = e;
-        if (_mainWindow is null)
+        
+        // 仅在 Windows 上支持融合桌面功能
+        if (!OperatingSystem.IsWindows())
         {
+            AppLogger.Warn("FusedDesktop", "Fused desktop is only supported on Windows.");
             return;
         }
 
-        _detachedComponentLibraryWindowService.Open(_mainWindow);
+        // 切换进入编辑模式，隐藏常态零散的小部件
+        FusedDesktopManagerServiceFactory.GetOrCreate().EnterEditMode();
+        
+        // 确保透明覆盖层窗口存在并显示
+        EnsureTransparentOverlayWindow();
+        
+        // 打开融合桌面组件库窗口
+        Dispatcher.UIThread.Post(() =>
+        {
+            try
+            {
+                // 确保覆盖层窗口已显示（组件要渲染在上面，必须先 Show）
+                if (_transparentOverlayWindow is not null && !_transparentOverlayWindow.IsVisible)
+                {
+                    _transparentOverlayWindow.Show();
+                }
+                
+                var window = new FusedDesktopComponentLibraryWindow();
+                
+                if (_transparentOverlayWindow is not null)
+                {
+                    window.SetOverlayWindow(_transparentOverlayWindow);
+                }
+                
+                // 当组件库关闭时，退出编辑态
+                window.Closed += (s, ev) => 
+                {
+                    if (_transparentOverlayWindow is not null)
+                    {
+                        // 触发画布保存，并隐藏画布
+                        _transparentOverlayWindow.SaveLayoutAndHide();
+                    }
+                    
+                    // 让管理器根据已存储的最新快照重建生成所有实体小组件
+                    FusedDesktopManagerServiceFactory.GetOrCreate().ExitEditMode();
+                };
+
+                window.Show();
+                window.Activate();
+            }
+            catch (Exception ex)
+            {
+                AppLogger.Warn("FusedDesktop", "Failed to open fused desktop component library.", ex);
+            }
+        }, DispatcherPriority.Send);
     }
 
     private void DisableAvaloniaDataAnnotationValidation()
@@ -481,9 +534,9 @@ public partial class App : Application
         RestoreOrCreateMainWindow(showSingleInstanceNotice: true, source: "SingleInstance");
     }
 
-    private async void RestoreOrCreateMainWindow(bool showSingleInstanceNotice, string source)
+    private void RestoreOrCreateMainWindow(bool showSingleInstanceNotice, string source)
     {
-        Dispatcher.UIThread.Post(async () =>
+        Dispatcher.UIThread.Post(() =>
         {
             if (ApplicationLifetime is not IClassicDesktopStyleApplicationLifetime desktop)
             {
@@ -492,19 +545,18 @@ public partial class App : Application
 
             try
             {
+                // 先隐藏透明覆盖层窗口
+                if (_transparentOverlayWindow is not null && _transparentOverlayWindow.IsVisible)
+                {
+                    _transparentOverlayWindow.Hide();
+                }
+                
                 var mainWindow = GetOrCreateMainWindow(desktop, source);
                 mainWindow.ShowInTaskbar = true;
 
                 if (!mainWindow.IsVisible)
                 {
                     mainWindow.Show();
-                    if (mainWindow._isFirstLaunchAfterOpen)
-                    {
-                        mainWindow._isFirstLaunchAfterOpen = false;
-                        mainWindow.ForceDesktopPageToFirst();
-                    }
-
-                    await mainWindow.SlideInAsync();
                 }
 
                 if (mainWindow.WindowState == WindowState.Minimized)
@@ -536,6 +588,18 @@ public partial class App : Application
             }
         }, DispatcherPriority.Send);
     }
+    
+    private void EnsureTransparentOverlayWindow()
+    {
+        if (_transparentOverlayWindow is null)
+        {
+            _transparentOverlayWindow = new TransparentOverlayWindow();
+            _transparentOverlayWindow.RestoreMainWindowRequested += (s, e) =>
+            {
+                RestoreOrCreateMainWindow(showSingleInstanceNotice: false, source: "TransparentOverlay");
+            };
+        }
+    }
 
     internal void PrepareForShutdown(bool isRestart, string source)
     {
@@ -886,17 +950,25 @@ public partial class App : Application
         SetDesktopShellState(DesktopShellState.ForegroundDesktop, "MainWindowRestored");
     }
 
-    private async void HideMainWindowToTray(MainWindow mainWindow, string source)
+    internal void HideMainWindowToTray(MainWindow mainWindow, string source)
     {
         try
         {
-            await mainWindow.SlideOutAsync();
             mainWindow.ShowInTaskbar = false;
             mainWindow.Hide();
             SetDesktopShellState(DesktopShellState.TrayOnly, source);
             AppLogger.Info(
                 "DesktopShell",
                 $"Main window hidden to tray. Source='{source}'; WindowState='{mainWindow.WindowState}'.");
+            
+            // 检查三指滑动功能是否启用
+            var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);
+            if (appSnapshot.EnableThreeFingerSwipe)
+            {
+                // 显示透明覆盖层窗口
+                EnsureTransparentOverlayWindow();
+                _transparentOverlayWindow?.Show();
+            }
         }
         catch (Exception ex)
         {

LanMountainDesktop/Behaviors/WindowSlideAnimationBehavior.cs

@@ -1,147 +0,0 @@
-using System;
-using System.Threading.Tasks;
-using Avalonia;
-using Avalonia.Animation;
-using Avalonia.Animation.Easings;
-using Avalonia.Controls;
-using Avalonia.Media;
-using Avalonia.Styling;
-using Avalonia.Threading;
-using LanMountainDesktop.Theme;
-
-namespace LanMountainDesktop.Behaviors;
-
-public static class WindowSlideAnimationBehavior
-{
-    private static readonly Easing DecelerateEasing = Easing.Parse(FluttermotionToken.StandardBezier);
-    private static readonly Easing AccelerateEasing = new CubicEaseIn();
-
-    public static readonly TimeSpan SlideInDuration = TimeSpan.FromMilliseconds(350);
-    public static readonly TimeSpan SlideOutDuration = TimeSpan.FromMilliseconds(280);
-
-    public static async Task SlideInAsync(Window window, Border desktopHost)
-    {
-        if (window is null || desktopHost is null)
-        {
-            return;
-        }
-
-        var screenWidth = Math.Max(1, window.Bounds.Width > 1 ? window.Bounds.Width : PrimaryScreenWidth(window));
-        var transform = EnsureTranslateTransform(desktopHost);
-
-        transform.X = screenWidth;
-        desktopHost.Opacity = 1;
-        window.Show();
-
-        if (screenWidth <= 1)
-        {
-            transform.X = 0;
-            return;
-        }
-
-        var animation = new Animation
-        {
-            Duration = SlideInDuration,
-            Easing = DecelerateEasing,
-            Children =
-            {
-                new KeyFrame
-                {
-                    Cue = new Cue(0d),
-                    Setters = { new Setter(TranslateTransform.XProperty, screenWidth) }
-                },
-                new KeyFrame
-                {
-                    Cue = new Cue(1d),
-                    Setters = { new Setter(TranslateTransform.XProperty, 0d) }
-                }
-            }
-        };
-
-        await animation.RunAsync(desktopHost);
-    }
-
-    public static async Task SlideOutAsync(Window window, Border desktopHost, Action? onCompleted = null)
-    {
-        if (window is null || desktopHost is null)
-        {
-            onCompleted?.Invoke();
-            return;
-        }
-
-        var screenWidth = Math.Max(1, window.Bounds.Width > 1 ? window.Bounds.Width : PrimaryScreenWidth(window));
-        var transform = EnsureTranslateTransform(desktopHost);
-
-        if (screenWidth <= 1)
-        {
-            onCompleted?.Invoke();
-            return;
-        }
-
-        var animation = new Animation
-        {
-            Duration = SlideOutDuration,
-            Easing = AccelerateEasing,
-            Children =
-            {
-                new KeyFrame
-                {
-                    Cue = new Cue(0d),
-                    Setters = { new Setter(TranslateTransform.XProperty, 0d) }
-                },
-                new KeyFrame
-                {
-                    Cue = new Cue(1d),
-                    Setters = { new Setter(TranslateTransform.XProperty, screenWidth) }
-                }
-            }
-        };
-
-        await animation.RunAsync(desktopHost);
-        onCompleted?.Invoke();
-    }
-
-    public static void ResetSlidePosition(Border desktopHost)
-    {
-        if (desktopHost is null)
-        {
-            return;
-        }
-
-        var transform = desktopHost.RenderTransform as TranslateTransform;
-        if (transform is not null)
-        {
-            transform.X = 0;
-        }
-
-        desktopHost.Opacity = 1;
-    }
-
-    private static TranslateTransform EnsureTranslateTransform(Border desktopHost)
-    {
-        if (desktopHost.RenderTransform is TranslateTransform existingTransform)
-        {
-            return existingTransform;
-        }
-
-        var newTransform = new TranslateTransform();
-        desktopHost.RenderTransform = newTransform;
-        return newTransform;
-    }
-
-    private static double PrimaryScreenWidth(Window window)
-    {
-        try
-        {
-            if (window.Screens?.Primary is { } screen)
-            {
-                return screen.WorkingArea.Width;
-            }
-        }
-        catch
-        {
-        }
-
-        return 1920;
-    }
-}

LanMountainDesktop/Localization/en-US.json

@@ -3,7 +3,7 @@
     "tray.tooltip":  "LanMountainDesktop",
     "tray.menu.show_desktop":  "Open Desktop",
     "tray.menu.settings":  "Settings",
-    "tray.menu.component_library":  "Component Library",
+    "tray.menu.component_library":  "Fused Desktop Settings",
     "tray.menu.restart":  "Restart App",
     "tray.menu.exit":  "Exit App",
     "button.back_to_windows":  "Back to Windows",
@@ -388,6 +388,18 @@
     "settings.status_bar.clock_format_label":  "Clock format",
     "settings.status_bar.clock_format.hm":  "Hour:Minute",
     "settings.status_bar.clock_format.hms":  "Hour:Minute:Second",
+    "settings.status_bar.clock_position_label":  "Clock position",
+    "settings.status_bar.clock_position.left":  "Left",
+    "settings.status_bar.clock_position.center":  "Center",
+    "settings.status_bar.clock_position.right":  "Right",
+    "settings.status_bar.text_capsule_header":  "Text Capsule",
+    "settings.status_bar.text_capsule_description":  "Display custom text on the status bar with Markdown support.",
+    "settings.status_bar.text_capsule_position_label":  "Text capsule position",
+    "settings.status_bar.text_capsule_position.left":  "Left",
+    "settings.status_bar.text_capsule_position.center":  "Center",
+    "settings.status_bar.text_capsule_position.right":  "Right",
+    "settings.status_bar.text_capsule_content_label":  "Text content (Markdown supported)",
+    "settings.status_bar.text_capsule_transparent_background_label":  "Transparent background",
     "settings.components.title":  "Components",
     "settings.components.description":  "Adjust component layout and corner design.",
     "settings.components.grid_header":  "Grid Settings",

LanMountainDesktop/Localization/ja-JP.json

@@ -331,6 +331,18 @@
     "settings.status_bar.clock_format_label":  "時計の形式",
     "settings.status_bar.clock_format.hm":  "時:分",
     "settings.status_bar.clock_format.hms":  "時:分:秒",
+    "settings.status_bar.clock_position_label":  "時計の位置",
+    "settings.status_bar.clock_position.left":  "左",
+    "settings.status_bar.clock_position.center":  "中央",
+    "settings.status_bar.clock_position.right":  "右",
+    "settings.status_bar.text_capsule_header":  "テキストカプセル",
+    "settings.status_bar.text_capsule_description":  "ステータスバーにMarkdown形式のカスタムテキストを表示します。",
+    "settings.status_bar.text_capsule_position_label":  "テキストカプセルの位置",
+    "settings.status_bar.text_capsule_position.left":  "左",
+    "settings.status_bar.text_capsule_position.center":  "中央",
+    "settings.status_bar.text_capsule_position.right":  "右",
+    "settings.status_bar.text_capsule_content_label":  "テキスト内容（Markdown対応）",
+    "settings.status_bar.text_capsule_transparent_background_label":  "透明な背景",
     "settings.components.title":  "コンポーネント",
     "settings.components.description":  "コンポーネントのレイアウトとコーナーデザインを調整します。",
     "settings.components.grid_header":  "グリッド設定",

LanMountainDesktop/Localization/ko-KR.json

@@ -377,6 +377,18 @@
     "settings.status_bar.clock_format_label":  "시계 형식",
     "settings.status_bar.clock_format.hm":  "시:분",
     "settings.status_bar.clock_format.hms":  "시:분:초",
+    "settings.status_bar.clock_position_label":  "시계 위치",
+    "settings.status_bar.clock_position.left":  "왼쪽",
+    "settings.status_bar.clock_position.center":  "가욍데",
+    "settings.status_bar.clock_position.right":  "오른쪽",
+    "settings.status_bar.text_capsule_header":  "텍스트 캡슐",
+    "settings.status_bar.text_capsule_description":  "Markdown 형식의 사용자 정의 텍스트를 상태 표시줄에 표시합니다.",
+    "settings.status_bar.text_capsule_position_label":  "텍스트 캡슐 위치",
+    "settings.status_bar.text_capsule_position.left":  "왼쪽",
+    "settings.status_bar.text_capsule_position.center":  "가욍데",
+    "settings.status_bar.text_capsule_position.right":  "오른쪽",
+    "settings.status_bar.text_capsule_content_label":  "텍스트 내용 (Markdown 지원)",
+    "settings.status_bar.text_capsule_transparent_background_label":  "투명 배경",
     "settings.components.title":  "컴포넌트",
     "settings.components.description":  "컴포넌트 레이아웃과 모서리 디자인을 조정합니다.",
     "settings.components.grid_header":  "그리드 설정",

LanMountainDesktop/Localization/zh-CN.json

@@ -3,7 +3,7 @@
     "tray.tooltip":  "LanMountainDesktop",
     "tray.menu.show_desktop":  "打开桌面",
     "tray.menu.settings":  "设置",
-    "tray.menu.component_library":  "独立组件库",
+    "tray.menu.component_library":  "融合桌面设置",
     "tray.menu.restart":  "重启应用",
     "tray.menu.exit":  "退出应用",
     "button.back_to_windows":  "回到Windows",
@@ -383,6 +383,18 @@
     "settings.status_bar.clock_format_label":  "时钟格式",
     "settings.status_bar.clock_format.hm":  "时:分",
     "settings.status_bar.clock_format.hms":  "时:分:秒",
+    "settings.status_bar.clock_position_label":  "时钟位置",
+    "settings.status_bar.clock_position.left":  "靠左",
+    "settings.status_bar.clock_position.center":  "居中",
+    "settings.status_bar.clock_position.right":  "靠右",
+    "settings.status_bar.text_capsule_header":  "文字胶囊",
+    "settings.status_bar.text_capsule_description":  "在状态栏显示自定义文字，支持 Markdown 格式。",
+    "settings.status_bar.text_capsule_position_label":  "文字胶囊位置",
+    "settings.status_bar.text_capsule_position.left":  "靠左",
+    "settings.status_bar.text_capsule_position.center":  "居中",
+    "settings.status_bar.text_capsule_position.right":  "靠右",
+    "settings.status_bar.text_capsule_content_label":  "文字内容（支持 Markdown）",
+    "settings.status_bar.text_capsule_transparent_background_label":  "透明背景",
     "settings.components.title":  "组件",
     "settings.components.description":  "调整组件布局与圆角设计。",
     "settings.components.grid_header":  "网格设置",

LanMountainDesktop/Models/AppSettingsSnapshot.cs

@@ -112,10 +112,22 @@ public sealed class AppSettingsSnapshot
 
     public bool StatusBarClockTransparentBackground { get; set; }
 
+    public string ClockPosition { get; set; } = "Left"; // Left, Center, Right
+
+    public bool ShowTextCapsule { get; set; } = false;
+
+    public string TextCapsuleContent { get; set; } = "**Hello** World!";
+
+    public string TextCapsulePosition { get; set; } = "Right"; // Left, Center, Right
+
+    public bool TextCapsuleTransparentBackground { get; set; } = false;
+
     public string StatusBarSpacingMode { get; set; } = "Relaxed";
 
     public int StatusBarCustomSpacingPercent { get; set; } = 12;
 
+    public bool EnableThreeFingerSwipe { get; set; } = false;
+
     public List<string> DisabledPluginIds { get; set; } = [];
 
     #region Study Settings

LanMountainDesktop/Models/ComponentSettingsSnapshot.cs

@@ -124,12 +124,14 @@ public static class ZhiJiaoHubSources
 {
     public const string ClassIsland = "classisland";
     public const string Sectl = "sectl";
+    public const string RinLit = "rinlit";
 
     public static string Normalize(string? value)
     {
         return value?.ToLowerInvariant() switch
         {
             "sectl" => Sectl,
+            "rinlit" => RinLit,
             _ => ClassIsland
         };
     }

LanMountainDesktop/Models/FusedDesktopLayoutSnapshot.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Collections.Generic;
+
+namespace LanMountainDesktop.Models;
+
+/// <summary>
+/// 融合桌面组件放置快照 - 用于在系统桌面（负一屏）上放置组件
+/// </summary>
+public sealed class FusedDesktopComponentPlacementSnapshot
+{
+    /// <summary>
+    /// 放置实例ID（唯一标识）
+    /// </summary>
+    public string PlacementId { get; set; } = string.Empty;
+    
+    /// <summary>
+    /// 组件类型ID
+    /// </summary>
+    public string ComponentId { get; set; } = string.Empty;
+    
+    /// <summary>
+    /// X 坐标（像素，相对于屏幕左上角）
+    /// </summary>
+    public double X { get; set; }
+    
+    /// <summary>
+    /// Y 坐标（像素，相对于屏幕左上角）
+    /// </summary>
+    public double Y { get; set; }
+    
+    /// <summary>
+    /// 宽度（像素）
+    /// </summary>
+    public double Width { get; set; } = 200;
+    
+    /// <summary>
+    /// 高度（像素）
+    /// </summary>
+    public double Height { get; set; } = 200;
+    
+    /// <summary>
+    /// Z-Index（用于控制组件层叠顺序）
+    /// </summary>
+    public int ZIndex { get; set; }
+    
+    /// <summary>
+    /// 是否锁定位置（锁定后不可拖动）
+    /// </summary>
+    public bool IsLocked { get; set; }
+    
+    /// <summary>
+    /// 创建深拷贝
+    /// </summary>
+    public FusedDesktopComponentPlacementSnapshot Clone()
+    {
+        return new FusedDesktopComponentPlacementSnapshot
+        {
+            PlacementId = PlacementId,
+            ComponentId = ComponentId,
+            X = X,
+            Y = Y,
+            Width = Width,
+            Height = Height,
+            ZIndex = ZIndex,
+            IsLocked = IsLocked
+        };
+    }
+}
+
+/// <summary>
+/// 融合桌面布局快照 - 包含所有在系统桌面上显示的组件
+/// </summary>
+public sealed class FusedDesktopLayoutSnapshot
+{
+    /// <summary>
+    /// 是否启用融合桌面功能
+    /// </summary>
+    public bool IsEnabled { get; set; }
+    
+    /// <summary>
+    /// 组件放置列表
+    /// </summary>
+    public List<FusedDesktopComponentPlacementSnapshot> ComponentPlacements { get; set; } = [];
+    
+    /// <summary>
+    /// 创建深拷贝
+    /// </summary>
+    public FusedDesktopLayoutSnapshot Clone()
+    {
+        return new FusedDesktopLayoutSnapshot
+        {
+            IsEnabled = IsEnabled,
+            ComponentPlacements = [.. ComponentPlacements.ConvertAll(p => p.Clone())]
+        };
+    }
+}

LanMountainDesktop/Services/FusedDesktopLayoutService.cs

@@ -0,0 +1,173 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text.Json;
+using LanMountainDesktop.Models;
+
+namespace LanMountainDesktop.Services;
+
+/// <summary>
+/// 融合桌面布局存储服务接口
+/// </summary>
+public interface IFusedDesktopLayoutService
+{
+    /// <summary>
+    /// 加载融合桌面布局
+    /// </summary>
+    FusedDesktopLayoutSnapshot Load();
+    
+    /// <summary>
+    /// 保存融合桌面布局
+    /// </summary>
+    void Save(FusedDesktopLayoutSnapshot snapshot);
+    
+    /// <summary>
+    /// 添加组件放置
+    /// </summary>
+    void AddComponentPlacement(FusedDesktopComponentPlacementSnapshot placement);
+    
+    /// <summary>
+    /// 更新组件放置
+    /// </summary>
+    void UpdateComponentPlacement(FusedDesktopComponentPlacementSnapshot placement);
+    
+    /// <summary>
+    /// 移除组件放置
+    /// </summary>
+    void RemoveComponentPlacement(string placementId);
+    
+    /// <summary>
+    /// 清除所有组件放置
+    /// </summary>
+    void ClearAllPlacements();
+}
+
+/// <summary>
+/// 融合桌面布局存储服务实现
+/// </summary>
+internal sealed class FusedDesktopLayoutService : IFusedDesktopLayoutService
+{
+    private static readonly string ConfigFilePath = Path.Combine(
+        Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+        "LanMountainDesktop",
+        "fused_desktop_layout.json");
+    
+    private readonly object _lock = new();
+    private FusedDesktopLayoutSnapshot? _cachedSnapshot;
+    
+    public FusedDesktopLayoutSnapshot Load()
+    {
+        lock (_lock)
+        {
+            if (_cachedSnapshot is not null)
+            {
+                return _cachedSnapshot.Clone();
+            }
+            
+            try
+            {
+                if (!File.Exists(ConfigFilePath))
+                {
+                    _cachedSnapshot = new FusedDesktopLayoutSnapshot();
+                    return _cachedSnapshot.Clone();
+                }
+                
+                var json = File.ReadAllText(ConfigFilePath);
+                var snapshot = JsonSerializer.Deserialize<FusedDesktopLayoutSnapshot>(json, JsonOptions);
+                _cachedSnapshot = snapshot ?? new FusedDesktopLayoutSnapshot();
+                return _cachedSnapshot.Clone();
+            }
+            catch (Exception ex)
+            {
+                AppLogger.Warn("FusedDesktopLayout", "Failed to load fused desktop layout.", ex);
+                _cachedSnapshot = new FusedDesktopLayoutSnapshot();
+                return _cachedSnapshot.Clone();
+            }
+        }
+    }
+    
+    public void Save(FusedDesktopLayoutSnapshot snapshot)
+    {
+        lock (_lock)
+        {
+            try
+            {
+                _cachedSnapshot = snapshot.Clone();
+                
+                var directory = Path.GetDirectoryName(ConfigFilePath);
+                if (!string.IsNullOrEmpty(directory) && !Directory.Exists(directory))
+                {
+                    Directory.CreateDirectory(directory);
+                }
+                
+                var json = JsonSerializer.Serialize(snapshot, JsonOptions);
+                File.WriteAllText(ConfigFilePath, json);
+            }
+            catch (Exception ex)
+            {
+                AppLogger.Warn("FusedDesktopLayout", "Failed to save fused desktop layout.", ex);
+            }
+        }
+    }
+    
+    public void AddComponentPlacement(FusedDesktopComponentPlacementSnapshot placement)
+    {
+        var snapshot = Load();
+        snapshot.ComponentPlacements.Add(placement);
+        Save(snapshot);
+    }
+    
+    public void UpdateComponentPlacement(FusedDesktopComponentPlacementSnapshot placement)
+    {
+        var snapshot = Load();
+        var index = snapshot.ComponentPlacements.FindIndex(p => p.PlacementId == placement.PlacementId);
+        if (index >= 0)
+        {
+            snapshot.ComponentPlacements[index] = placement;
+            Save(snapshot);
+        }
+    }
+    
+    public void RemoveComponentPlacement(string placementId)
+    {
+        var snapshot = Load();
+        snapshot.ComponentPlacements.RemoveAll(p => p.PlacementId == placementId);
+        Save(snapshot);
+    }
+    
+    public void ClearAllPlacements()
+    {
+        var snapshot = Load();
+        snapshot.ComponentPlacements.Clear();
+        Save(snapshot);
+    }
+    
+    private static readonly JsonSerializerOptions JsonOptions = new()
+    {
+        WriteIndented = true,
+        PropertyNamingPolicy = JsonNamingPolicy.CamelCase
+    };
+}
+
+/// <summary>
+/// 融合桌面布局服务提供者
+/// </summary>
+public static class FusedDesktopLayoutServiceProvider
+{
+    private static IFusedDesktopLayoutService? _instance;
+    private static readonly object _lock = new();
+    
+    public static IFusedDesktopLayoutService GetOrCreate()
+    {
+        if (_instance is not null)
+        {
+            return _instance;
+        }
+        
+        lock (_lock)
+        {
+            _instance ??= new FusedDesktopLayoutService();
+            return _instance;
+        }
+    }
+}

LanMountainDesktop/Services/FusedDesktopManagerService.cs

@@ -0,0 +1,195 @@
+using System;
+using System.Collections.Generic;
+using Avalonia;
+using Avalonia.Controls;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Models;
+using LanMountainDesktop.PluginSdk;
+using LanMountainDesktop.Services.Settings;
+using LanMountainDesktop.Views;
+using LanMountainDesktop.Views.Components;
+
+namespace LanMountainDesktop.Services;
+
+/// <summary>
+/// 融合桌面中央管理器服务接口
+/// </summary>
+public interface IFusedDesktopManagerService
+{
+    void Initialize();
+    void EnterEditMode();
+    void ExitEditMode();
+    void ReloadWidgets();
+}
+
+/// <summary>
+/// 融合桌面中央管理器服务实现。用于管理常态下的各个小窗口实体。
+/// </summary>
+internal sealed class FusedDesktopManagerService : IFusedDesktopManagerService
+{
+    private readonly IFusedDesktopLayoutService _layoutService;
+    private readonly ISettingsFacadeService _settingsFacade;
+    private readonly Dictionary<string, DesktopWidgetWindow> _widgetWindows = [];
+    
+    // 基础服务依赖
+    private readonly IWeatherInfoService _weatherDataService;
+    private readonly TimeZoneService _timeZoneService;
+    private readonly IRecommendationInfoService _recommendationInfoService = new RecommendationDataService();
+    private readonly ICalculatorDataService _calculatorDataService = new CalculatorDataService();
+    
+    private ComponentRegistry? _componentRegistry;
+    private DesktopComponentRuntimeRegistry? _componentRuntimeRegistry;
+    private bool _isEditMode;
+
+    private const double DefaultCellSize = 100;
+
+    public FusedDesktopManagerService(
+        IFusedDesktopLayoutService layoutService, 
+        ISettingsFacadeService settingsFacade)
+    {
+        _layoutService = layoutService;
+        _settingsFacade = settingsFacade;
+        
+        _weatherDataService = _settingsFacade.Weather.GetWeatherInfoService();
+        _timeZoneService = _settingsFacade.Region.GetTimeZoneService();
+    }
+
+    public void Initialize()
+    {
+        if (!OperatingSystem.IsWindows()) return;
+        
+        EnsureRegistries();
+        ReloadWidgets();
+    }
+
+    private void EnsureRegistries()
+    {
+        if (_componentRuntimeRegistry is not null) return;
+        
+        var pluginRuntimeService = (Application.Current as App)?.PluginRuntimeService;
+        _componentRegistry = DesktopComponentRegistryFactory.Create(pluginRuntimeService);
+        _componentRuntimeRegistry = DesktopComponentRegistryFactory.CreateRuntimeRegistry(
+            _componentRegistry,
+            pluginRuntimeService,
+            _settingsFacade);
+    }
+
+    public void EnterEditMode()
+    {
+        if (_isEditMode) return;
+        _isEditMode = true;
+
+        // 隐藏所有底层小窗口
+        foreach (var window in _widgetWindows.Values)
+        {
+            window.Hide();
+        }
+    }
+
+    public void ExitEditMode()
+    {
+        if (!_isEditMode) return;
+        _isEditMode = false;
+
+        // 编辑完成，重新加载布局（可能已发生更改）并显示
+        ReloadWidgets();
+    }
+
+    public void ReloadWidgets()
+    {
+        if (_isEditMode) return; // 编辑模式下不渲染小窗口
+        
+        var layout = _layoutService.Load();
+        var existingIds = new HashSet<string>(_widgetWindows.Keys);
+        
+        foreach (var placement in layout.ComponentPlacements)
+        {
+            existingIds.Remove(placement.PlacementId);
+            
+            if (_widgetWindows.TryGetValue(placement.PlacementId, out var existingWindow))
+            {
+                // 已存在，可能只更新位置或尺寸
+                existingWindow.Position = new Avalonia.PixelPoint((int)placement.X, (int)placement.Y);
+                if (existingWindow.IsVisible == false)
+                {
+                    existingWindow.Show();
+                }
+            }
+            else
+            {
+                // 新组件，生成窗口
+                try
+                {
+                    var window = CreateWidgetWindow(placement);
+                    if (window != null)
+                    {
+                        _widgetWindows[placement.PlacementId] = window;
+                        window.Show();
+                        window.Position = new Avalonia.PixelPoint((int)placement.X, (int)placement.Y);
+                    }
+                }
+                catch (Exception ex)
+                {
+                    AppLogger.Warn("FusedDesktopMgr", $"Failed to render tiny window for {placement.ComponentId}", ex);
+                }
+            }
+        }
+        
+        // 移除被删除的组件
+        foreach (var id in existingIds)
+        {
+            if (_widgetWindows.Remove(id, out var windowToRemove))
+            {
+                windowToRemove.Close();
+            }
+        }
+    }
+
+    private DesktopWidgetWindow? CreateWidgetWindow(FusedDesktopComponentPlacementSnapshot placement)
+    {
+        EnsureRegistries();
+        if (_componentRuntimeRegistry is null || !_componentRuntimeRegistry.TryGetDescriptor(placement.ComponentId, out var descriptor))
+        {
+            AppLogger.Warn("FusedDesktopMgr", $"Unknown component: {placement.ComponentId}");
+            return null;
+        }
+        
+        var control = descriptor.CreateControl(
+            DefaultCellSize,
+            _timeZoneService,
+            _weatherDataService,
+            _recommendationInfoService,
+            _calculatorDataService,
+            _settingsFacade,
+            placement.PlacementId);
+            
+        // 将组件包装到一个具有准确宽高的容器内（如果组件自身没有设置宽度）
+        control.Width = placement.Width;
+        control.Height = placement.Height;
+
+        var window = new DesktopWidgetWindow(control);
+        return window;
+    }
+}
+
+/// <summary>
+/// 工厂
+/// </summary>
+public static class FusedDesktopManagerServiceFactory
+{
+    private static IFusedDesktopManagerService? _instance;
+    private static readonly object _lock = new();
+    
+    public static IFusedDesktopManagerService GetOrCreate()
+    {
+        if (_instance is not null) return _instance;
+        
+        lock (_lock)
+        {
+            var layoutService = FusedDesktopLayoutServiceProvider.GetOrCreate();
+            var settings = HostSettingsFacadeProvider.GetOrCreate();
+            _instance ??= new FusedDesktopManagerService(layoutService, settings);
+            return _instance;
+        }
+    }
+}

LanMountainDesktop/Services/IRecommendationDataService.cs

@@ -322,6 +322,8 @@ public sealed record RecommendationApiOptions
     public string ClassIslandHubRawUrlTemplate { get; init; } = "https://raw.githubusercontent.com/ClassIsland/classisland-hub/main/images/{0}";
 
     public string SectlHubRawUrlTemplate { get; init; } = "https://raw.githubusercontent.com/SECTL/SECTL-hub/main/images/{0}";
+
+    public string RinLitHubRawUrlTemplate { get; init; } = "https://raw.githubusercontent.com/RinLit-233-shiroko/Rin-sHub/main/images/{0}";
 }
 
 public interface IRecommendationInfoService

LanMountainDesktop/Services/RecommendationDataService.cs

@@ -3247,6 +3247,7 @@ public sealed class RecommendationDataService : IRecommendationInfoService, IDis
         var (owner, repo, path) = source switch
         {
             ZhiJiaoHubSources.Sectl => ("SECTL", "SECTL-hub", "docs/.vuepress/public/images"),
+            ZhiJiaoHubSources.RinLit => ("RinLit-233-shiroko", "Rin-sHub", "images"),
             _ => ("ClassIsland", "classisland-hub", "images")
         };
 

LanMountainDesktop/Services/Settings/SettingsContracts.cs

@@ -41,8 +41,20 @@ public sealed record StatusBarSettingsState(
     string TaskbarLayoutMode,
     string ClockDisplayFormat,
     bool ClockTransparentBackground,
+    string ClockPosition,
+    bool ShowTextCapsule,
+    string TextCapsuleContent,
+    string TextCapsulePosition,
+    bool TextCapsuleTransparentBackground,
     string SpacingMode,
     int CustomSpacingPercent);
+
+public sealed record TextCapsuleSettingsState(
+    bool ShowTextCapsule,
+    string Content,
+    string Position,
+    bool TransparentBackground);
+
 public sealed record WeatherSettingsState(
     string LocationMode,
     string LocationKey,
@@ -274,6 +286,12 @@ public interface IStatusBarSettingsService
     void Save(StatusBarSettingsState state);
 }
 
+public interface ITextCapsuleSettingsService
+{
+    TextCapsuleSettingsState Get();
+    void Save(TextCapsuleSettingsState state);
+}
+
 public interface IWeatherProvider
 {
     Task<WeatherQueryResult<IReadOnlyList<WeatherLocation>>> SearchLocationsAsync(
@@ -385,6 +403,7 @@ public interface ISettingsFacadeService
     IWallpaperMediaService WallpaperMedia { get; }
     IThemeAppearanceService Theme { get; }
     IStatusBarSettingsService StatusBar { get; }
+    ITextCapsuleSettingsService TextCapsule { get; }
     IWeatherSettingsService Weather { get; }
     IRegionSettingsService Region { get; }
     IPrivacySettingsService Privacy { get; }

LanMountainDesktop/Services/Settings/SettingsDomainServices.cs

@@ -386,6 +386,11 @@ internal sealed class StatusBarSettingsService : IStatusBarSettingsService
             snapshot.TaskbarLayoutMode,
             snapshot.ClockDisplayFormat,
             snapshot.StatusBarClockTransparentBackground,
+            snapshot.ClockPosition,
+            snapshot.ShowTextCapsule,
+            snapshot.TextCapsuleContent,
+            snapshot.TextCapsulePosition,
+            snapshot.TextCapsuleTransparentBackground,
             snapshot.StatusBarSpacingMode,
             snapshot.StatusBarCustomSpacingPercent);
     }
@@ -399,6 +404,11 @@ internal sealed class StatusBarSettingsService : IStatusBarSettingsService
         snapshot.TaskbarLayoutMode = state.TaskbarLayoutMode;
         snapshot.ClockDisplayFormat = state.ClockDisplayFormat;
         snapshot.StatusBarClockTransparentBackground = state.ClockTransparentBackground;
+        snapshot.ClockPosition = state.ClockPosition;
+        snapshot.ShowTextCapsule = state.ShowTextCapsule;
+        snapshot.TextCapsuleContent = state.TextCapsuleContent;
+        snapshot.TextCapsulePosition = state.TextCapsulePosition;
+        snapshot.TextCapsuleTransparentBackground = state.TextCapsuleTransparentBackground;
         snapshot.StatusBarSpacingMode = state.SpacingMode;
         snapshot.StatusBarCustomSpacingPercent = state.CustomSpacingPercent;
         _settingsService.SaveSnapshot(
@@ -412,12 +422,56 @@ internal sealed class StatusBarSettingsService : IStatusBarSettingsService
                 nameof(AppSettingsSnapshot.TaskbarLayoutMode),
                 nameof(AppSettingsSnapshot.ClockDisplayFormat),
                 nameof(AppSettingsSnapshot.StatusBarClockTransparentBackground),
+                nameof(AppSettingsSnapshot.ClockPosition),
+                nameof(AppSettingsSnapshot.ShowTextCapsule),
+                nameof(AppSettingsSnapshot.TextCapsuleContent),
+                nameof(AppSettingsSnapshot.TextCapsulePosition),
+                nameof(AppSettingsSnapshot.TextCapsuleTransparentBackground),
                 nameof(AppSettingsSnapshot.StatusBarSpacingMode),
                 nameof(AppSettingsSnapshot.StatusBarCustomSpacingPercent)
             ]);
     }
 }
 
+internal sealed class TextCapsuleSettingsService : ITextCapsuleSettingsService
+{
+    private readonly ISettingsService _settingsService;
+
+    public TextCapsuleSettingsService(ISettingsService settingsService)
+    {
+        _settingsService = settingsService ?? throw new ArgumentNullException(nameof(settingsService));
+    }
+
+    public TextCapsuleSettingsState Get()
+    {
+        var snapshot = _settingsService.Load();
+        return new TextCapsuleSettingsState(
+            snapshot.ShowTextCapsule,
+            snapshot.TextCapsuleContent,
+            snapshot.TextCapsulePosition,
+            snapshot.TextCapsuleTransparentBackground);
+    }
+
+    public void Save(TextCapsuleSettingsState state)
+    {
+        var snapshot = _settingsService.Load();
+        snapshot.ShowTextCapsule = state.ShowTextCapsule;
+        snapshot.TextCapsuleContent = state.Content;
+        snapshot.TextCapsulePosition = state.Position;
+        snapshot.TextCapsuleTransparentBackground = state.TransparentBackground;
+        _settingsService.SaveSnapshot(
+            SettingsScope.App,
+            snapshot,
+            changedKeys:
+            [
+                nameof(AppSettingsSnapshot.ShowTextCapsule),
+                nameof(AppSettingsSnapshot.TextCapsuleContent),
+                nameof(AppSettingsSnapshot.TextCapsulePosition),
+                nameof(AppSettingsSnapshot.TextCapsuleTransparentBackground)
+            ]);
+    }
+}
+
 internal sealed class WeatherProviderAdapter : IWeatherProvider, IWeatherInfoService, IDisposable
 {
     private readonly IWeatherDataService _weatherDataService = new XiaomiWeatherService();
@@ -1198,6 +1252,7 @@ internal sealed class SettingsFacadeService : ISettingsFacadeService, IDisposabl
         WallpaperMedia = new WallpaperMediaService();
         Theme = new ThemeAppearanceService(Settings);
         StatusBar = new StatusBarSettingsService(Settings);
+        TextCapsule = new TextCapsuleSettingsService(Settings);
         _weatherSettingsService = new WeatherSettingsService(Settings);
         Weather = _weatherSettingsService;
         Region = new RegionSettingsService(Settings);
@@ -1227,6 +1282,8 @@ internal sealed class SettingsFacadeService : ISettingsFacadeService, IDisposabl
 
     public IStatusBarSettingsService StatusBar { get; }
 
+    public ITextCapsuleSettingsService TextCapsule { get; }
+
     public IWeatherSettingsService Weather { get; }
 
     public IRegionSettingsService Region { get; }

LanMountainDesktop/Services/StudyAnalyticsService.cs

@@ -320,9 +320,17 @@ public sealed class StudyAnalyticsService : IStudyAnalyticsService
                 return false;
             }
 
+            // 如果找不到报告，尝试重新从数据库加载
             if (!TryFindSessionReportLocked(sessionId, out var report))
             {
-                return false;
+                // 重新加载历史数据
+                RestoreSessionHistoryFromDatabaseLocked();
+                
+                // 再次尝试查找
+                if (!TryFindSessionReportLocked(sessionId, out report))
+                {
+                    return false;
+                }
             }
 
             _selectedSessionReportId = report.SessionId;
@@ -356,9 +364,17 @@ public sealed class StudyAnalyticsService : IStudyAnalyticsService
         {
             ThrowIfDisposedLocked();
             var index = FindSessionReportIndexLocked(sessionId);
+            
+            // 如果找不到报告，尝试重新从数据库加载
             if (index < 0)
             {
-                return false;
+                RestoreSessionHistoryFromDatabaseLocked();
+                index = FindSessionReportIndexLocked(sessionId);
+                
+                if (index < 0)
+                {
+                    return false;
+                }
             }
 
             var updated = _sessionHistory[index] with { Label = normalizedLabel };
@@ -389,9 +405,17 @@ public sealed class StudyAnalyticsService : IStudyAnalyticsService
         {
             ThrowIfDisposedLocked();
             var index = FindSessionReportIndexLocked(sessionId);
+            
+            // 如果找不到报告，尝试重新从数据库加载
             if (index < 0)
             {
-                return false;
+                RestoreSessionHistoryFromDatabaseLocked();
+                index = FindSessionReportIndexLocked(sessionId);
+                
+                if (index < 0)
+                {
+                    return false;
+                }
             }
 
             var removed = _sessionHistory[index];

LanMountainDesktop/Services/StudyDataStore.cs

@@ -17,10 +17,17 @@ public sealed class StudyDataStore
     };
 
     private readonly AppDatabaseService _databaseService;
+    private readonly Action<string>? _logger;
 
-    public StudyDataStore(AppDatabaseService? databaseService = null)
+    public StudyDataStore(AppDatabaseService? databaseService = null, Action<string>? logger = null)
     {
         _databaseService = databaseService ?? AppDatabaseServiceFactory.CreateDefault();
+        _logger = logger;
+    }
+
+    private void Log(string message)
+    {
+        _logger?.Invoke($"[StudyDataStore] {message}");
     }
 
     public IReadOnlyList<StudySessionReport> LoadSessionReports(int limit = 120)
@@ -61,17 +68,25 @@ public sealed class StudyDataStore
                     continue;
                 }
 
-                var report = JsonSerializer.Deserialize<StudySessionReport>(json, JsonOptions);
-                if (report is not null)
+                try
                 {
-                    reports.Add(report);
+                    var report = JsonSerializer.Deserialize<StudySessionReport>(json, JsonOptions);
+                    if (report is not null)
+                    {
+                        reports.Add(report);
+                    }
+                }
+                catch (JsonException ex)
+                {
+                    Log($"Failed to deserialize session report: {ex.Message}");
                 }
             }
 
             return reports;
         }
-        catch
+        catch (Exception ex)
         {
+            Log($"Failed to load session reports: {ex.Message}");
             return Array.Empty<StudySessionReport>();
         }
     }
@@ -99,20 +114,28 @@ public sealed class StudyDataStore
             var json = command.ExecuteScalar() as string;
             if (string.IsNullOrWhiteSpace(json))
             {
+                Log($"Session report not found for id: {sessionId}");
                 return false;
             }
 
             var parsed = JsonSerializer.Deserialize<StudySessionReport>(json, JsonOptions);
             if (parsed is null)
             {
+                Log($"Failed to deserialize session report for id: {sessionId}");
                 return false;
             }
 
             report = parsed;
             return true;
         }
-        catch
+        catch (JsonException ex)
         {
+            Log($"JSON deserialization error for session {sessionId}: {ex.Message}");
+            return false;
+        }
+        catch (Exception ex)
+        {
+            Log($"Failed to get session report {sessionId}: {ex.Message}");
             return false;
         }
     }
@@ -138,9 +161,9 @@ public sealed class StudyDataStore
 
             transaction.Commit();
         }
-        catch
+        catch (Exception ex)
         {
-            // Keep runtime resilient when persistence is unavailable.
+            Log($"Failed to replace session reports: {ex.Message}");
         }
     }
 
@@ -162,8 +185,9 @@ public sealed class StudyDataStore
                 ? null
                 : value.Trim();
         }
-        catch
+        catch (Exception ex)
         {
+            Log($"Failed to get selected session report id: {ex.Message}");
             return null;
         }
     }
@@ -192,9 +216,9 @@ public sealed class StudyDataStore
             upsertCommand.Parameters.AddWithValue("$value", sessionId.Trim());
             upsertCommand.ExecuteNonQuery();
         }
-        catch
+        catch (Exception ex)
         {
-            // Keep runtime resilient when persistence is unavailable.
+            Log($"Failed to set selected session report id: {ex.Message}");
         }
     }
 
@@ -271,9 +295,9 @@ public sealed class StudyDataStore
 
             transaction.Commit();
         }
-        catch
+        catch (Exception ex)
         {
-            // Keep runtime resilient when persistence is unavailable.
+            Log($"Failed to append noise slice: {ex.Message}");
         }
     }
 
@@ -365,8 +389,9 @@ public sealed class StudyDataStore
 
             return entries;
         }
-        catch
+        catch (Exception ex)
         {
+            Log($"Failed to load noise slice timeline: {ex.Message}");
             return Array.Empty<NoiseSliceTimelineEntry>();
         }
     }
@@ -389,9 +414,9 @@ public sealed class StudyDataStore
 
             command.ExecuteNonQuery();
         }
-        catch
+        catch (Exception ex)
         {
-            // Keep runtime resilient when persistence is unavailable.
+            Log($"Failed to clear noise slice timeline: {ex.Message}");
         }
     }
 

LanMountainDesktop/Services/WindowPassthroughService.cs

@@ -0,0 +1,379 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using Avalonia;
+using Avalonia.Controls;
+
+namespace LanMountainDesktop.Services;
+
+/// <summary>
+/// 窗口置底服务接口
+/// </summary>
+public interface IWindowBottomMostService
+{
+    void SetupBottomMost(Window window);
+    void SendToBottom(Window window);
+    bool IsBottomMostSupported { get; }
+}
+
+/// <summary>
+/// 区域级穿透服务接口 - 使用 WM_NCHITTEST 实现
+/// </summary>
+public interface IRegionPassthroughService
+{
+    /// <summary>
+    /// 设置窗口的可交互区域
+    /// </summary>
+    void SetInteractiveRegions(Window window, IReadOnlyList<Rect> interactiveRegions);
+    
+    /// <summary>
+    /// 清除所有可交互区域
+    /// </summary>
+    void ClearInteractiveRegions(Window window);
+    
+    /// <summary>
+    /// 获取当前平台是否支持区域级穿透
+    /// </summary>
+    bool IsRegionPassthroughSupported { get; }
+}
+
+/// <summary>
+/// 窗口置底服务工厂
+/// </summary>
+public static class WindowBottomMostServiceFactory
+{
+    private static IWindowBottomMostService? _instance;
+    private static readonly object _lock = new();
+    
+    public static IWindowBottomMostService GetOrCreate()
+    {
+        lock (_lock)
+        {
+            return _instance ??= OperatingSystem.IsWindows()
+                ? new WindowsWindowBottomMostService()
+                : new NullWindowBottomMostService();
+        }
+    }
+}
+
+/// <summary>
+/// 区域级穿透服务工厂
+/// </summary>
+public static class RegionPassthroughServiceFactory
+{
+    private static IRegionPassthroughService? _instance;
+    private static readonly object _lock = new();
+    
+    public static IRegionPassthroughService GetOrCreate()
+    {
+        lock (_lock)
+        {
+            return _instance ??= OperatingSystem.IsWindows()
+                ? new WindowsRegionPassthroughService()
+                : new NullRegionPassthroughService();
+        }
+    }
+}
+
+/// <summary>
+/// Windows 平台窗口置底服务
+/// </summary>
+internal sealed class WindowsWindowBottomMostService : IWindowBottomMostService
+{
+    private const int GWL_EXSTYLE = -20;
+    private const int GWL_HWNDPARENT = -8;
+    private const int GWLP_WNDPROC = -4;
+    private const int WS_EX_TOOLWINDOW = 0x00000080;
+    private const int WS_EX_APPWINDOW = 0x00040000;
+    private const int WS_EX_NOACTIVATE = 0x08000000;
+    private const int WS_EX_LAYERED = 0x00080000;
+    private const uint SWP_NOSIZE = 0x0001;
+    private const uint SWP_NOMOVE = 0x0002;
+    private const uint SWP_NOACTIVATE = 0x0010;
+    private const int WM_WINDOWPOSCHANGING = 0x0046;
+    private const int WM_NCHITTEST = 0x0084;
+    private const int HTTRANSPARENT = -1;
+    private const int HTCLIENT = 1;
+    
+    private static readonly IntPtr HWND_BOTTOM = new(1);
+    private static readonly Dictionary<IntPtr, bool> _bottomMostWindows = new();
+    private static readonly Dictionary<IntPtr, IntPtr> _originalWndProcs = new();
+    private static readonly Dictionary<IntPtr, List<Rect>> _interactiveRegions = new();
+    
+    // 记录每个窗口的屏幕原点（窗口左上角的屏幕坐标），用于将 WM_NCHITTEST 屏幕坐标转成窗口相对坐标
+    private static readonly Dictionary<IntPtr, Point> _windowScreenOrigins = new();
+    private static readonly object _staticLock = new();
+    
+    public bool IsBottomMostSupported => true;
+    
+    public void SetupBottomMost(Window window)
+    {
+        if (!OperatingSystem.IsWindows()) return;
+        
+        window.Opened += (s, e) =>
+        {
+            var handle = GetWindowHandle(window);
+            if (handle == IntPtr.Zero) return;
+            
+            // 设置扩展样式
+            var exStyle = GetWindowLong(handle, GWL_EXSTYLE);
+            exStyle = (exStyle | WS_EX_TOOLWINDOW | WS_EX_NOACTIVATE | WS_EX_LAYERED) & ~WS_EX_APPWINDOW;
+            SetWindowLong(handle, GWL_EXSTYLE, exStyle);
+            
+            // 设置为桌面子窗口
+            SetAsDesktopChild(handle);
+            
+            // 注册置底状态 & 记录窗口屏幕原点
+            lock (_staticLock)
+            {
+                _bottomMostWindows[handle] = true;
+                _interactiveRegions[handle] = [];
+                UpdateWindowScreenOrigin(handle);
+            }
+            
+            // 注入消息钩子
+            InstallMessageHook(handle);
+            
+            // 初始置底
+            SendToBottomInternal(handle);
+            
+            AppLogger.Info("WindowBottomMost", $"Window setup as bottom-most: {handle}");
+        };
+        
+        window.Closed += (s, e) =>
+        {
+            var handle = GetWindowHandle(window);
+            if (handle != IntPtr.Zero)
+            {
+                lock (_staticLock)
+                {
+                    _bottomMostWindows.Remove(handle);
+                    _originalWndProcs.Remove(handle);
+                    _interactiveRegions.Remove(handle);
+                    _windowScreenOrigins.Remove(handle);
+                }
+            }
+        };
+    }
+    
+    public void SendToBottom(Window window)
+    {
+        var handle = GetWindowHandle(window);
+        if (handle != IntPtr.Zero) SendToBottomInternal(handle);
+    }
+    
+    private static IntPtr GetWindowHandle(Window window)
+    {
+        try { return window.TryGetPlatformHandle()?.Handle ?? IntPtr.Zero; }
+        catch { return IntPtr.Zero; }
+    }
+    
+    private static void SendToBottomInternal(IntPtr handle)
+    {
+        SetWindowPos(handle, HWND_BOTTOM, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
+    }
+    
+    private static void SetAsDesktopChild(IntPtr handle)
+    {
+        var windowHandles = new ArrayList();
+        EnumWindows(EnumWindowsCallback, windowHandles);
+        foreach (IntPtr h in windowHandles)
+        {
+            var hDefView = FindWindowEx(h, IntPtr.Zero, "SHELLDLL_DefView", null);
+            if (hDefView != IntPtr.Zero)
+            {
+                SetWindowLong(handle, GWL_HWNDPARENT, hDefView.ToInt32());
+                break;
+            }
+        }
+    }
+    
+    private static bool EnumWindowsCallback(IntPtr handle, ArrayList handles)
+    {
+        handles.Add(handle);
+        return true;
+    }
+    
+    private static void InstallMessageHook(IntPtr handle)
+    {
+        var originalWndProc = GetWindowLongPtr(handle, GWLP_WNDPROC);
+        if (originalWndProc == IntPtr.Zero) return;
+        
+        lock (_staticLock)
+        {
+            _originalWndProcs[handle] = originalWndProc;
+        }
+        
+        SetWindowLongPtr(handle, GWLP_WNDPROC, Marshal.GetFunctionPointerForDelegate<WndProcDelegate>(SubclassWndProc));
+    }
+    
+    private static IntPtr SubclassWndProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam)
+    {
+        // 处理 WM_WINDOWPOSCHANGING - 保持置底
+        if (msg == WM_WINDOWPOSCHANGING)
+        {
+            lock (_staticLock)
+            {
+                if (_bottomMostWindows.TryGetValue(hWnd, out var isBottomMost) && isBottomMost)
+                {
+                    SendToBottomInternal(hWnd);
+                }
+            }
+        }
+        
+        // 处理 WM_NCHITTEST - 区域级穿透
+        if (msg == WM_NCHITTEST)
+        {
+            // WM_NCHITTEST 的鼠标坐标在 lParam（低16位=X，高16位=Y），且为屏幕坐标
+            var screenX = (short)(lParam.ToInt64() & 0xFFFF);
+            var screenY = (short)((lParam.ToInt64() >> 16) & 0xFFFF);
+            
+            lock (_staticLock)
+            {
+                if (_interactiveRegions.TryGetValue(hWnd, out var regions) && regions.Count > 0)
+                {
+                    // 将屏幕坐标转为窗口相对坐标（_interactiveRegions 存的是窗口内坐标）
+                    _windowScreenOrigins.TryGetValue(hWnd, out var origin);
+                    var clientX = screenX - origin.X;
+                    var clientY = screenY - origin.Y;
+                    var point = new Point(clientX, clientY);
+                    
+                    foreach (var region in regions)
+                    {
+                        if (region.Contains(point))
+                        {
+                            // 在可交互区域内，返回 HTCLIENT
+                            return (IntPtr)HTCLIENT;
+                        }
+                    }
+                }
+            }
+            
+            // 不在可交互区域内，返回 HTTRANSPARENT 让事件穿透
+            return (IntPtr)HTTRANSPARENT;
+        }
+        
+        // 调用原始窗口过程
+        IntPtr originalWndProc;
+        lock (_staticLock)
+        {
+            if (!_originalWndProcs.TryGetValue(hWnd, out originalWndProc))
+            {
+                return DefWindowProc(hWnd, msg, wParam, lParam);
+            }
+        }
+        
+        return CallWindowProc(originalWndProc, hWnd, msg, wParam, lParam);
+    }
+    
+    /// <summary>
+    /// 设置窗口的可交互区域（供 WindowsRegionPassthroughService 调用）
+    /// </summary>
+    internal static void SetInteractiveRegionsInternal(IntPtr handle, List<Rect> regions)
+    {
+        lock (_staticLock)
+        {
+            _interactiveRegions[handle] = regions;
+            // 同步刷新屏幕原点（DPI 缩放可能影响坐标，每次更新区域时一并刷新）
+            UpdateWindowScreenOrigin(handle);
+        }
+    }
+    
+    /// <summary>
+    /// 更新指定窗口的屏幕左上角坐标缓存（用于将 WM_NCHITTEST 屏幕坐标转为窗口相对坐标）
+    /// </summary>
+    private static void UpdateWindowScreenOrigin(IntPtr handle)
+    {
+        if (GetWindowRect(handle, out var rect))
+        {
+            _windowScreenOrigins[handle] = new Point(rect.Left, rect.Top);
+        }
+    }
+    
+    [StructLayout(LayoutKind.Sequential)]
+    private struct RECT { public int Left, Top, Right, Bottom; }
+    
+    [DllImport("user32.dll")]
+    private static extern bool GetWindowRect(IntPtr hWnd, out RECT lpRect);
+    
+    private delegate IntPtr WndProcDelegate(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
+    
+    [DllImport("user32.dll", SetLastError = true)]
+    private static extern int GetWindowLong(IntPtr hWnd, int nIndex);
+    
+    [DllImport("user32.dll")]
+    private static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
+    
+    [DllImport("user32.dll", EntryPoint = "GetWindowLongPtr")]
+    private static extern IntPtr GetWindowLongPtr(IntPtr hWnd, int nIndex);
+    
+    [DllImport("user32.dll", EntryPoint = "SetWindowLongPtr")]
+    private static extern IntPtr SetWindowLongPtr(IntPtr hWnd, int nIndex, IntPtr dwNewLong);
+    
+    [DllImport("user32.dll")]
+    private static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int x, int y, int cx, int cy, uint flags);
+    
+    [DllImport("user32.dll", SetLastError = true)]
+    private static extern IntPtr FindWindowEx(IntPtr hParent, IntPtr hChildAfter, string? lpszClass, string? lpszWindow);
+    
+    [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+    [return: MarshalAs(UnmanagedType.Bool)]
+    private static extern bool EnumWindows(EnumWindowsProc lpEnumFunc, ArrayList lParam);
+    
+    private delegate bool EnumWindowsProc(IntPtr handle, ArrayList handles);
+    
+    [DllImport("user32.dll")]
+    private static extern IntPtr CallWindowProc(IntPtr lpPrevWndFunc, IntPtr hWnd, int Msg, IntPtr wParam, IntPtr lParam);
+    
+    [DllImport("user32.dll")]
+    private static extern IntPtr DefWindowProc(IntPtr hWnd, int uMsg, IntPtr wParam, IntPtr lParam);
+}
+
+/// <summary>
+/// Windows 平台区域级穿透服务 - 使用 WM_NCHITTEST
+/// </summary>
+internal sealed class WindowsRegionPassthroughService : IRegionPassthroughService
+{
+    public bool IsRegionPassthroughSupported => true;
+    
+    public void SetInteractiveRegions(Window window, IReadOnlyList<Rect> interactiveRegions)
+    {
+        var handle = GetWindowHandle(window);
+        if (handle == IntPtr.Zero) return;
+        
+        WindowsWindowBottomMostService.SetInteractiveRegionsInternal(handle, new List<Rect>(interactiveRegions));
+        AppLogger.Info("RegionPassthrough", $"Set {interactiveRegions.Count} interactive regions.");
+    }
+    
+    public void ClearInteractiveRegions(Window window)
+    {
+        var handle = GetWindowHandle(window);
+        if (handle == IntPtr.Zero) return;
+        
+        WindowsWindowBottomMostService.SetInteractiveRegionsInternal(handle, []);
+    }
+    
+    private static IntPtr GetWindowHandle(Window window)
+    {
+        try { return window.TryGetPlatformHandle()?.Handle ?? IntPtr.Zero; }
+        catch { return IntPtr.Zero; }
+    }
+}
+
+/// <summary>
+/// 空实现
+/// </summary>
+internal sealed class NullWindowBottomMostService : IWindowBottomMostService
+{
+    public bool IsBottomMostSupported => false;
+    public void SetupBottomMost(Window window) { }
+    public void SendToBottom(Window window) { }
+}
+
+internal sealed class NullRegionPassthroughService : IRegionPassthroughService
+{
+    public bool IsRegionPassthroughSupported => false;
+    public void SetInteractiveRegions(Window window, IReadOnlyList<Rect> interactiveRegions) { }
+    public void ClearInteractiveRegions(Window window) { }
+}

LanMountainDesktop/ViewModels/SettingsViewModels.cs

@@ -164,14 +164,18 @@ public sealed class TimeZoneOption
     public string Label { get; }
 }
 
-public sealed partial class GeneralSettingsPageViewModel : ViewModelBase
-{
-    private readonly ISettingsFacadeService _settingsFacade;
-    private readonly TimeZoneService _timeZoneService;
-    private readonly LocalizationService _localizationService = new();
-    private readonly string _startupRenderMode;
-    private string _languageCode;
-    private bool _isInitializing;
+public sealed partial class GeneralSettingsPageViewModel : ViewModelBase, IDisposable
+    {
+        private readonly ISettingsFacadeService _settingsFacade;
+        private readonly TimeZoneService _timeZoneService;
+        private readonly LocalizationService _localizationService = new();
+        private readonly string _startupRenderMode;
+        private string _languageCode;
+        private bool _isInitializing;
+        private bool _disposed;
+
+        [ObservableProperty]
+        private bool _enableThreeFingerSwipe;
 
     public GeneralSettingsPageViewModel(ISettingsFacadeService settingsFacade)
     {
@@ -200,9 +204,65 @@ public sealed partial class GeneralSettingsPageViewModel : ViewModelBase
         SelectedRenderMode = RenderModes.FirstOrDefault(option =>
             string.Equals(option.Value, normalizedRenderMode, StringComparison.OrdinalIgnoreCase))
             ?? RenderModes[0];
+        EnableThreeFingerSwipe = appSnapshot.EnableThreeFingerSwipe;
         _isInitializing = false;
 
         RefreshPreview();
+        
+        // 监听设置变更，防止被意外重置
+        _settingsFacade.Settings.Changed += OnSettingsChanged;
+    }
+    
+    public void Dispose()
+    {
+        if (_disposed)
+        {
+            return;
+        }
+        
+        _settingsFacade.Settings.Changed -= OnSettingsChanged;
+        _disposed = true;
+    }
+    
+    private void OnSettingsChanged(object? sender, SettingsChangedEvent e)
+    {
+        if (e.Scope != SettingsScope.App)
+        {
+            return;
+        }
+        
+        var changedKeys = e.ChangedKeys?.ToArray();
+        if (changedKeys is null || changedKeys.Length == 0)
+        {
+            return;
+        }
+        
+        // 如果是其他设置变更，重新加载我们的设置
+        _isInitializing = true;
+        try
+        {
+            var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);
+            EnableThreeFingerSwipe = appSnapshot.EnableThreeFingerSwipe;
+        }
+        finally
+        {
+            _isInitializing = false;
+        }
+    }
+
+    partial void OnEnableThreeFingerSwipeChanged(bool value)
+    {
+        if (_isInitializing)
+        {
+            return;
+        }
+
+        var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);
+        appSnapshot.EnableThreeFingerSwipe = value;
+        _settingsFacade.Settings.SaveSnapshot(
+            SettingsScope.App,
+            appSnapshot,
+            changedKeys: [nameof(AppSettingsSnapshot.EnableThreeFingerSwipe)]);
     }
 
     public event Action? RestartRequested;
@@ -2330,25 +2390,12 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
     private bool _isInitializing;
     private readonly IStudyAnalyticsService _studyAnalyticsService;
 
-    // 防抖计时器
-    private System.Timers.Timer? _noiseSettingsDebounceTimer;
-    private System.Timers.Timer? _timerSettingsDebounceTimer;
-    private System.Timers.Timer? _alertSettingsDebounceTimer;
-    private System.Timers.Timer? _displaySettingsDebounceTimer;
-    private bool _hasPendingNoiseSave;
-    private bool _hasPendingTimerSave;
-    private bool _hasPendingAlertSave;
-    private bool _hasPendingDisplaySave;
-
     public StudySettingsPageViewModel(ISettingsFacadeService settingsFacade, IStudyAnalyticsService? studyAnalyticsService = null)
     {
         _settingsFacade = settingsFacade ?? throw new ArgumentNullException(nameof(settingsFacade));
         _studyAnalyticsService = studyAnalyticsService ?? StudyAnalyticsServiceFactory.CreateDefault();
         _languageCode = _localizationService.NormalizeLanguageCode(_settingsFacade.Region.Get().LanguageCode);
 
-        // 初始化防抖计时器
-        InitializeDebounceTimers();
-
         RefreshLocalizedText();
 
         _isInitializing = true;
@@ -2356,21 +2403,6 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         _isInitializing = false;
     }
 
-    private void InitializeDebounceTimers()
-    {
-        _noiseSettingsDebounceTimer = new System.Timers.Timer(500) { AutoReset = false };
-        _noiseSettingsDebounceTimer.Elapsed += async (s, e) => await SaveNoiseSettingsDebounced();
-
-        _timerSettingsDebounceTimer = new System.Timers.Timer(500) { AutoReset = false };
-        _timerSettingsDebounceTimer.Elapsed += async (s, e) => await SaveTimerSettingsDebounced();
-
-        _alertSettingsDebounceTimer = new System.Timers.Timer(500) { AutoReset = false };
-        _alertSettingsDebounceTimer.Elapsed += async (s, e) => await SaveAlertSettingsDebounced();
-
-        _displaySettingsDebounceTimer = new System.Timers.Timer(500) { AutoReset = false };
-        _displaySettingsDebounceTimer.Elapsed += async (s, e) => await SaveDisplaySettingsDebounced();
-    }
-
     #region Properties - Master Switch
 
     [ObservableProperty]
@@ -2455,7 +2487,7 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         UpdateThresholdText();
         if (!_isInitializing)
         {
-            DebounceNoiseSettingsSave();
+            SaveNoiseSettings();
         }
     }
 
@@ -2471,7 +2503,7 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         UpdateSamplingRateText();
         if (!_isInitializing)
         {
-            DebounceNoiseSettingsSave();
+            SaveNoiseSettings();
         }
     }
 
@@ -2485,18 +2517,8 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         NoiseSensitivityValueText = $"{NoiseSensitivityDbfs:F0} dBFS";
     }
 
-    private void DebounceNoiseSettingsSave()
+    private void SaveNoiseSettings()
     {
-        _hasPendingNoiseSave = true;
-        _noiseSettingsDebounceTimer?.Stop();
-        _noiseSettingsDebounceTimer?.Start();
-    }
-
-    private async Task SaveNoiseSettingsDebounced()
-    {
-        if (!_hasPendingNoiseSave) return;
-        _hasPendingNoiseSave = false;
-
         try
         {
             var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);
@@ -2601,7 +2623,7 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         UpdateFocusDurationText();
         if (!_isInitializing)
         {
-            DebounceTimerSettingsSave();
+            SaveTimerSettings();
         }
     }
 
@@ -2617,7 +2639,7 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         UpdateBreakDurationText();
         if (!_isInitializing)
         {
-            DebounceTimerSettingsSave();
+            SaveTimerSettings();
         }
     }
 
@@ -2633,7 +2655,7 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         UpdateLongBreakDurationText();
         if (!_isInitializing)
         {
-            DebounceTimerSettingsSave();
+            SaveTimerSettings();
         }
     }
 
@@ -2649,7 +2671,7 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         UpdateSessionsBeforeLongBreakText();
         if (!_isInitializing)
         {
-            DebounceTimerSettingsSave();
+            SaveTimerSettings();
         }
     }
 
@@ -2657,7 +2679,7 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
     {
         if (!_isInitializing)
         {
-            DebounceTimerSettingsSave();
+            SaveTimerSettings();
         }
     }
 
@@ -2665,7 +2687,7 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
     {
         if (!_isInitializing)
         {
-            DebounceTimerSettingsSave();
+            SaveTimerSettings();
         }
     }
 
@@ -2693,18 +2715,8 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         SessionsBeforeLongBreakValueText = $"{SessionsBeforeLongBreak} {unit}";
     }
 
-    private void DebounceTimerSettingsSave()
+    private void SaveTimerSettings()
     {
-        _hasPendingTimerSave = true;
-        _timerSettingsDebounceTimer?.Stop();
-        _timerSettingsDebounceTimer?.Start();
-    }
-
-    private async Task SaveTimerSettingsDebounced()
-    {
-        if (!_hasPendingTimerSave) return;
-        _hasPendingTimerSave = false;
-
         try
         {
             var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);
@@ -2762,7 +2774,7 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
     {
         if (!_isInitializing)
         {
-            DebounceAlertSettingsSave();
+            SaveAlertSettings();
         }
     }
 
@@ -2777,22 +2789,12 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
 
         if (!_isInitializing)
         {
-            DebounceAlertSettingsSave();
+            SaveAlertSettings();
         }
     }
 
-    private void DebounceAlertSettingsSave()
+    private void SaveAlertSettings()
     {
-        _hasPendingAlertSave = true;
-        _alertSettingsDebounceTimer?.Stop();
-        _alertSettingsDebounceTimer?.Start();
-    }
-
-    private async Task SaveAlertSettingsDebounced()
-    {
-        if (!_hasPendingAlertSave) return;
-        _hasPendingAlertSave = false;
-
         try
         {
             var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);
@@ -2855,7 +2857,7 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
     {
         if (!_isInitializing)
         {
-            DebounceDisplaySettingsSave();
+            SaveDisplaySettings();
         }
     }
 
@@ -2871,7 +2873,7 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         UpdateBaselineDbText();
         if (!_isInitializing)
         {
-            DebounceDisplaySettingsSave();
+            SaveDisplaySettings();
         }
     }
 
@@ -2887,7 +2889,7 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         UpdateAvgWindowSecText();
         if (!_isInitializing)
         {
-            DebounceDisplaySettingsSave();
+            SaveDisplaySettings();
         }
     }
 
@@ -2907,18 +2909,8 @@ public sealed partial class StudySettingsPageViewModel : ViewModelBase
         AvgWindowSecValueText = $"{AvgWindowSec} {unit}";
     }
 
-    private void DebounceDisplaySettingsSave()
+    private void SaveDisplaySettings()
     {
-        _hasPendingDisplaySave = true;
-        _displaySettingsDebounceTimer?.Stop();
-        _displaySettingsDebounceTimer?.Start();
-    }
-
-    private async Task SaveDisplaySettingsDebounced()
-    {
-        if (!_hasPendingDisplaySave) return;
-        _hasPendingDisplaySave = false;
-
         try
         {
             var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);

LanMountainDesktop/ViewModels/StatusBarSettingsPageViewModel.cs

@@ -21,6 +21,8 @@ public sealed partial class StatusBarSettingsPageViewModel : ViewModelBase
         _languageCode = _localizationService.NormalizeLanguageCode(_settingsFacade.Region.Get().LanguageCode);
 
         ClockFormats = CreateClockFormats();
+        ClockPositions = CreateClockPositions();
+        TextCapsulePositions = CreateTextCapsulePositions();
         SpacingModes = CreateSpacingModes();
         RefreshLocalizedText();
 
@@ -31,6 +33,10 @@ public sealed partial class StatusBarSettingsPageViewModel : ViewModelBase
 
     public IReadOnlyList<SelectionOption> ClockFormats { get; }
 
+    public IReadOnlyList<SelectionOption> ClockPositions { get; }
+
+    public IReadOnlyList<SelectionOption> TextCapsulePositions { get; }
+
     public IReadOnlyList<SelectionOption> SpacingModes { get; }
 
     [ObservableProperty]
@@ -42,6 +48,9 @@ public sealed partial class StatusBarSettingsPageViewModel : ViewModelBase
     [ObservableProperty]
     private bool _clockTransparentBackground;
 
+    [ObservableProperty]
+    private SelectionOption _selectedClockPosition = new("Left", "Left");
+
     [ObservableProperty]
     private SelectionOption _selectedSpacingMode = new("Relaxed", "Relaxed");
 
@@ -75,6 +84,36 @@ public sealed partial class StatusBarSettingsPageViewModel : ViewModelBase
     [ObservableProperty]
     private string _clockTransparentBackgroundDescription = string.Empty;
 
+    [ObservableProperty]
+    private string _clockPositionLabel = string.Empty;
+
+    [ObservableProperty]
+    private string _textCapsuleHeader = string.Empty;
+
+    [ObservableProperty]
+    private string _textCapsuleDescription = string.Empty;
+
+    [ObservableProperty]
+    private bool _showTextCapsule;
+
+    [ObservableProperty]
+    private string _textCapsuleContent = "**Hello** World!";
+
+    [ObservableProperty]
+    private SelectionOption _selectedTextCapsulePosition = new("Right", "Right");
+
+    [ObservableProperty]
+    private bool _textCapsuleTransparentBackground;
+
+    [ObservableProperty]
+    private string _textCapsulePositionLabel = string.Empty;
+
+    [ObservableProperty]
+    private string _textCapsuleContentLabel = string.Empty;
+
+    [ObservableProperty]
+    private string _textCapsuleTransparentBackgroundLabel = string.Empty;
+
     [ObservableProperty]
     private string _spacingHeader = string.Empty;
 
@@ -99,6 +138,20 @@ public sealed partial class StatusBarSettingsPageViewModel : ViewModelBase
             ?? ClockFormats[1];
         ClockTransparentBackground = state.ClockTransparentBackground;
 
+        var clockPosition = NormalizeClockPosition(state.ClockPosition);
+        SelectedClockPosition = ClockPositions.FirstOrDefault(option =>
+            string.Equals(option.Value, clockPosition, StringComparison.OrdinalIgnoreCase))
+            ?? ClockPositions[0];
+
+        // 文字胶囊设置
+        ShowTextCapsule = state.ShowTextCapsule;
+        TextCapsuleContent = state.TextCapsuleContent ?? "**Hello** World!";
+        var textCapsulePosition = NormalizeTextCapsulePosition(state.TextCapsulePosition);
+        SelectedTextCapsulePosition = TextCapsulePositions.FirstOrDefault(option =>
+            string.Equals(option.Value, textCapsulePosition, StringComparison.OrdinalIgnoreCase))
+            ?? TextCapsulePositions[2]; // 默认靠右
+        TextCapsuleTransparentBackground = state.TextCapsuleTransparentBackground;
+
         var spacingMode = NormalizeSpacingMode(state.SpacingMode);
         SelectedSpacingMode = SpacingModes.FirstOrDefault(option =>
             string.Equals(option.Value, spacingMode, StringComparison.OrdinalIgnoreCase))
@@ -137,6 +190,56 @@ public sealed partial class StatusBarSettingsPageViewModel : ViewModelBase
         Save();
     }
 
+    partial void OnSelectedClockPositionChanged(SelectionOption value)
+    {
+        if (_isInitializing || value is null)
+        {
+            return;
+        }
+
+        Save();
+    }
+
+    partial void OnShowTextCapsuleChanged(bool value)
+    {
+        if (_isInitializing)
+        {
+            return;
+        }
+
+        Save();
+    }
+
+    partial void OnTextCapsuleContentChanged(string value)
+    {
+        if (_isInitializing)
+        {
+            return;
+        }
+
+        Save();
+    }
+
+    partial void OnSelectedTextCapsulePositionChanged(SelectionOption value)
+    {
+        if (_isInitializing || value is null)
+        {
+            return;
+        }
+
+        Save();
+    }
+
+    partial void OnTextCapsuleTransparentBackgroundChanged(bool value)
+    {
+        if (_isInitializing)
+        {
+            return;
+        }
+
+        Save();
+    }
+
     partial void OnSelectedSpacingModeChanged(SelectionOption value)
     {
         IsCustomSpacingVisible = string.Equals(value?.Value, "Custom", StringComparison.OrdinalIgnoreCase);
@@ -184,6 +287,11 @@ public sealed partial class StatusBarSettingsPageViewModel : ViewModelBase
             state.TaskbarLayoutMode,
             SelectedClockFormat.Value,
             ClockTransparentBackground,
+            SelectedClockPosition.Value,
+            ShowTextCapsule,
+            TextCapsuleContent ?? "**Hello** World!",
+            SelectedTextCapsulePosition?.Value ?? "Right",
+            TextCapsuleTransparentBackground,
             NormalizeSpacingMode(SelectedSpacingMode.Value),
             Math.Clamp(CustomSpacingPercent, 0, 30)));
     }
@@ -197,6 +305,26 @@ public sealed partial class StatusBarSettingsPageViewModel : ViewModelBase
         ];
     }
 
+    private IReadOnlyList<SelectionOption> CreateClockPositions()
+    {
+        return
+        [
+            new SelectionOption("Left", L("settings.status_bar.clock_position.left", "Left")),
+            new SelectionOption("Center", L("settings.status_bar.clock_position.center", "Center")),
+            new SelectionOption("Right", L("settings.status_bar.clock_position.right", "Right"))
+        ];
+    }
+
+    private IReadOnlyList<SelectionOption> CreateTextCapsulePositions()
+    {
+        return
+        [
+            new SelectionOption("Left", L("settings.status_bar.text_capsule_position.left", "Left")),
+            new SelectionOption("Center", L("settings.status_bar.text_capsule_position.center", "Center")),
+            new SelectionOption("Right", L("settings.status_bar.text_capsule_position.right", "Right"))
+        ];
+    }
+
     private IReadOnlyList<SelectionOption> CreateSpacingModes()
     {
         return
@@ -217,6 +345,12 @@ public sealed partial class StatusBarSettingsPageViewModel : ViewModelBase
         ClockFormatLabel = L("settings.status_bar.clock_format_label", "Clock format");
         ClockTransparentBackgroundLabel = L("settings.status_bar.clock_transparent_background_label", "Transparent background");
         ClockTransparentBackgroundDescription = L("settings.status_bar.clock_transparent_background_desc", "Remove the capsule background and keep only the clock text.");
+        ClockPositionLabel = L("settings.status_bar.clock_position_label", "Clock position");
+        TextCapsuleHeader = L("settings.status_bar.text_capsule_header", "Text Capsule");
+        TextCapsuleDescription = L("settings.status_bar.text_capsule_description", "Display custom text with Markdown support on the status bar.");
+        TextCapsulePositionLabel = L("settings.status_bar.text_capsule_position_label", "Text capsule position");
+        TextCapsuleContentLabel = L("settings.status_bar.text_capsule_content_label", "Text content (Markdown supported)");
+        TextCapsuleTransparentBackgroundLabel = L("settings.status_bar.text_capsule_transparent_background_label", "Transparent background");
         SpacingHeader = L("settings.status_bar.spacing_header", "Component Spacing");
         SpacingDescription = L("settings.status_bar.spacing_desc", "Adjust spacing between status bar components.");
         CustomSpacingLabel = L("settings.status_bar.spacing_custom_label", "Custom spacing (%)");
@@ -232,6 +366,26 @@ public sealed partial class StatusBarSettingsPageViewModel : ViewModelBase
         };
     }
 
+    private static string NormalizeClockPosition(string? value)
+    {
+        return value switch
+        {
+            _ when string.Equals(value, "Center", StringComparison.OrdinalIgnoreCase) => "Center",
+            _ when string.Equals(value, "Right", StringComparison.OrdinalIgnoreCase) => "Right",
+            _ => "Left"
+        };
+    }
+
+    private static string NormalizeTextCapsulePosition(string? value)
+    {
+        return value switch
+        {
+            _ when string.Equals(value, "Left", StringComparison.OrdinalIgnoreCase) => "Left",
+            _ when string.Equals(value, "Center", StringComparison.OrdinalIgnoreCase) => "Center",
+            _ => "Right"
+        };
+    }
+
     private string L(string key, string fallback)
         => _localizationService.GetString(_languageCode, key, fallback);
 }

LanMountainDesktop/Views/ComponentEditors/ZhiJiaoHubComponentEditor.axaml

@@ -21,6 +21,9 @@
                     <ComboBoxItem x:Name="SectlItem"
                                   Classes="component-editor-select-item"
                                   Tag="sectl" />
+                    <ComboBoxItem x:Name="RinLitItem"
+                                  Classes="component-editor-select-item"
+                                  Tag="rinlit" />
                 </ComboBox>
                 <TextBlock x:Name="SourceDescriptionTextBlock"
                            Classes="component-editor-secondary-text"

LanMountainDesktop/Views/ComponentEditors/ZhiJiaoHubComponentEditor.axaml.cs

@@ -29,10 +29,11 @@ public partial class ZhiJiaoHubComponentEditor : ComponentEditorViewBase
         SourceLabelTextBlock.Text = L("zhijiaohub.settings.source", "图片源");
         ClassIslandItem.Content = L("zhijiaohub.settings.classisland", "ClassIsland 图库");
         SectlItem.Content = L("zhijiaohub.settings.sectl", "SECTL 图库");
+        RinLitItem.Content = L("zhijiaohub.settings.rinlit", "Rin's 图库");
 
         // 数据源描述
         SourceDescriptionTextBlock.Text = L("zhijiaohub.settings.source_desc",
-            "选择图片来源。ClassIsland 图库包含 ClassIsland 社区的趣味瞬间，SECTL 图库包含 SECTL 社区的内容。");
+            "选择图片来源。ClassIsland 图库包含 ClassIsland 社区的趣味瞬间，SECTL 图库包含 SECTL 社区的内容，Rin's 图库包含 Rin's 社区的内容。");
 
         // 镜像加速源
         MirrorSourceLabelTextBlock.Text = L("zhijiaohub.settings.mirror_source", "镜像加速");
@@ -65,6 +66,7 @@ public partial class ZhiJiaoHubComponentEditor : ComponentEditorViewBase
         SourceComboBox.SelectedItem = source switch
         {
             ZhiJiaoHubSources.Sectl => SectlItem,
+            ZhiJiaoHubSources.RinLit => RinLitItem,
             _ => ClassIslandItem
         };
 

LanMountainDesktop/Views/ComponentLibraryWindow.axaml.cs

@@ -220,7 +220,7 @@ public partial class ComponentLibraryWindow : Window
 
         if (string.Equals(categoryId, "Info", StringComparison.OrdinalIgnoreCase))
         {
-            return Symbol.Apps;
+            return Symbol.Info;
         }
 
         if (string.Equals(categoryId, "Calculator", StringComparison.OrdinalIgnoreCase))

LanMountainDesktop/Views/Components/StudyScoreOverviewWidget.axaml.cs

@@ -187,12 +187,6 @@ public partial class StudyScoreOverviewWidget : UserControl, IDesktopComponentWi
             return;
         }
 
-        if (snapshot.DataMode == StudyDataMode.SessionReport && snapshot.LastSessionReport is not null)
-        {
-            ApplySessionReportMode(snapshot, panelColor);
-            return;
-        }
-
         ApplyRealtimeMode(snapshot, realtimeScore, panelColor);
     }
 

LanMountainDesktop/Views/Components/StudySessionControlWidget.axaml.cs

@@ -169,15 +169,6 @@ public partial class StudySessionControlWidget : UserControl, IDesktopComponentW
     private void OnActionButtonClick(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
     {
         var snapshot = _studyAnalyticsService.GetSnapshot();
-        var isReportViewing = snapshot.DataMode == StudyDataMode.SessionReport && snapshot.LastSessionReport is not null;
-        if (isReportViewing)
-        {
-            _studyAnalyticsService.ClearLastSessionReport();
-            _transientMessage = null;
-            RefreshVisual();
-            return;
-        }
-
         var isRunning = snapshot.Session.State == StudySessionRuntimeState.Running;
 
         var success = isRunning
@@ -221,17 +212,6 @@ public partial class StudySessionControlWidget : UserControl, IDesktopComponentW
             _transientMessage = null;
         }
 
-        var isReportViewing = snapshot.DataMode == StudyDataMode.SessionReport && snapshot.LastSessionReport is not null;
-        if (isReportViewing)
-        {
-            PrimaryTextBlock.Text = L("study.session_control.report_preview", "Preview Report");
-            SecondaryTextBlock.Text = _transientMessage ?? L("study.session_control.report_confirm_hint", "Tap right button to confirm");
-            ActionIcon.Kind = MaterialIconKind.Check;
-            ApplyActionBadgeStyle(panelColor, Color.Parse("#FF34D399"));
-            ApplyTransientWarningTintIfNeeded(panelColor);
-            return;
-        }
-
         var isRunning = snapshot.Session.State == StudySessionRuntimeState.Running;
         if (isRunning)
         {

LanMountainDesktop/Views/Components/StudySessionHistoryWidget.axaml.cs

@@ -386,24 +386,39 @@ public partial class StudySessionHistoryWidget : UserControl, IDesktopComponentW
     {
         CloseDialog();
 
-        _loadingSessionId = sessionId;
-        SetTransientStatus(L("study.session_history.loading", "Loading data..."), 4);
-        if (_currentSnapshot is not null)
-        {
-            RenderSnapshot(_currentSnapshot);
-        }
-
-        if (_studyAnalyticsService.SelectSessionReport(sessionId))
+        // 直接从服务获取报告数据
+        var snapshot = _studyAnalyticsService.GetSnapshot();
+        var entry = FindHistoryEntry(snapshot.SessionHistory, sessionId);
+        
+        if (entry is null)
         {
+            SetTransientStatus(L("study.session_history.select_failed", "Unable to find session"));
             return;
         }
 
-        _loadingSessionId = null;
-        SetTransientStatus(L("study.session_history.select_failed", "Unable to switch session"));
-        if (_currentSnapshot is not null)
+        // 加载完整的报告数据
+        if (!_studyAnalyticsService.SelectSessionReport(sessionId))
         {
-            RenderSnapshot(_currentSnapshot);
+            SetTransientStatus(L("study.session_history.select_failed", "Unable to load session"));
+            return;
         }
+
+        // 获取完整报告
+        snapshot = _studyAnalyticsService.GetSnapshot();
+        var report = snapshot.LastSessionReport;
+        
+        if (report is null)
+        {
+            SetTransientStatus(L("study.session_history.select_failed", "Unable to load session data"));
+            return;
+        }
+
+        // 打开报告详情窗口
+        var window = new StudySessionReportWindow(report);
+        window.Show();
+        
+        // 清除选中状态，不保持联动模式
+        _studyAnalyticsService.ClearLastSessionReport();
     }
 
     private void ShowRenameDialog(string sessionId, string label)

LanMountainDesktop/Views/Components/TextCapsuleWidget.axaml

@@ -0,0 +1,22 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:md="clr-namespace:Markdown.Avalonia;assembly=Markdown.Avalonia"
+             mc:Ignorable="d"
+             d:DesignWidth="200"
+             d:DesignHeight="48"
+             x:Class="LanMountainDesktop.Views.Components.TextCapsuleWidget">
+
+    <Border x:Name="RootBorder"
+            Classes="surface-translucent-panel"
+            Padding="0"
+            CornerRadius="{DynamicResource DesignCornerRadiusComponent}">
+        <md:MarkdownScrollViewer x:Name="MarkdownViewer"
+                                 HorizontalAlignment="Center"
+                                 VerticalAlignment="Center"
+                                 Margin="12,6"
+                                 MaxWidth="400" />
+    </Border>
+
+</UserControl>

LanMountainDesktop/Views/Components/TextCapsuleWidget.axaml.cs

@@ -0,0 +1,167 @@
+using System;
+using System.Threading;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Media;
+using Avalonia.Threading;
+using LanMountainDesktop.Services;
+using Markdown.Avalonia;
+
+namespace LanMountainDesktop.Views.Components;
+
+public partial class TextCapsuleWidget : UserControl, IDesktopComponentWidget
+{
+    private string _text = string.Empty;
+    private bool _transparentBackground;
+    private double _lastAppliedCellSize = 100;
+    private CancellationTokenSource? _debounceCts;
+
+    public TextCapsuleWidget()
+    {
+        InitializeComponent();
+        UpdateDisplay();
+    }
+
+    public string Text
+    {
+        get => _text;
+        set
+        {
+            if (_text == value)
+            {
+                return;
+            }
+
+            _text = value;
+            DebouncedUpdateDisplay();
+        }
+    }
+
+    public bool TransparentBackground
+    {
+        get => _transparentBackground;
+        set
+        {
+            if (_transparentBackground == value)
+            {
+                return;
+            }
+
+            _transparentBackground = value;
+            ApplyChrome();
+            ApplyCellSize(_lastAppliedCellSize);
+        }
+    }
+
+    public void SetText(string text)
+    {
+        Text = text;
+    }
+
+    public void SetTransparentBackground(bool transparentBackground)
+    {
+        TransparentBackground = transparentBackground;
+    }
+
+    private void DebouncedUpdateDisplay()
+    {
+        // 取消之前的延迟任务
+        _debounceCts?.Cancel();
+        _debounceCts?.Dispose();
+        _debounceCts = new CancellationTokenSource();
+
+        var token = _debounceCts.Token;
+
+        // 延迟 150ms 后更新显示，避免频繁输入时过度渲染
+        Dispatcher.UIThread.Post(async () =>
+        {
+            try
+            {
+                await System.Threading.Tasks.Task.Delay(150, token);
+                if (!token.IsCancellationRequested)
+                {
+                    UpdateDisplay();
+                }
+            }
+            catch (OperationCanceledException)
+            {
+                // 忽略取消异常
+            }
+        });
+    }
+
+    private void UpdateDisplay()
+    {
+        try
+        {
+            if (string.IsNullOrWhiteSpace(_text))
+            {
+                MarkdownViewer.Markdown = "*Empty*";
+                return;
+            }
+
+            // 使用 Markdown 引擎渲染文本
+            MarkdownViewer.Markdown = _text;
+        }
+        catch (Exception ex)
+        {
+            // 错误处理：显示错误信息而不是崩溃
+            MarkdownViewer.Markdown = $"*Error: {ex.Message}*";
+        }
+    }
+
+    public void ApplyCellSize(double cellSize)
+    {
+        _lastAppliedCellSize = cellSize;
+
+        // 计算组件高度：保持与任务栏核心比例一致 (0.74x)
+        var targetHeight = Math.Clamp(cellSize * 0.74, 34, 74);
+        RootBorder.Height = targetHeight;
+
+        // 主矩形统一到主题主档圆角
+        RootBorder.CornerRadius = ResolveUnifiedMainRectangle();
+        RootBorder.VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center;
+
+        // 设置最小和最大宽度
+        RootBorder.MinWidth = cellSize * 1.5;
+        RootBorder.MaxWidth = cellSize * 6;
+
+        if (_transparentBackground)
+        {
+            RootBorder.MinWidth = 0;
+            RootBorder.Padding = new Thickness(Math.Clamp(cellSize * 0.06, 4, 10), 0);
+            return;
+        }
+
+        // 确保清除可能存在的固定 Padding，由代码控制"紧密感"
+        RootBorder.Padding = new Thickness(Math.Clamp(cellSize * 0.15, 12, 24), 0);
+    }
+
+    private void ApplyChrome()
+    {
+        if (_transparentBackground)
+        {
+            RootBorder.Classes.Remove("glass-panel");
+            RootBorder.Background = Brushes.Transparent;
+            RootBorder.BorderBrush = Brushes.Transparent;
+            RootBorder.BorderThickness = new Thickness(0);
+            RootBorder.BoxShadow = default;
+            return;
+        }
+
+        if (!RootBorder.Classes.Contains("glass-panel"))
+        {
+            RootBorder.Classes.Add("glass-panel");
+        }
+
+        RootBorder.ClearValue(Border.BackgroundProperty);
+        RootBorder.ClearValue(Border.BorderBrushProperty);
+        RootBorder.ClearValue(Border.BorderThicknessProperty);
+        RootBorder.ClearValue(Border.BoxShadowProperty);
+    }
+
+    private CornerRadius ResolveUnifiedMainRectangle() => new(ResolveUnifiedMainRadiusValue());
+
+    private static double ResolveUnifiedMainRadiusValue() =>
+        HostAppearanceThemeProvider.GetOrCreate().GetCurrent().CornerRadiusTokens.Lg.TopLeft;
+}

LanMountainDesktop/Views/Components/ZhiJiaoHubWidget.axaml.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Net.Http;
@@ -63,6 +64,8 @@ public partial class ZhiJiaoHubWidget : UserControl,
     private double _dragOffset;
     private int _lastSwipeDirection = 0;
     private bool _isInErrorState;
+    private DateTime _lastClickTime = DateTime.MinValue;
+    private const int DoubleClickThresholdMs = 300;
 
     private static readonly HttpClient ImageHttpClient = new(new HttpClientHandler
     {
@@ -679,6 +682,19 @@ public partial class ZhiJiaoHubWidget : UserControl,
             return;
         }
 
+        var currentTime = DateTime.Now;
+        var timeSinceLastClick = (currentTime - _lastClickTime).TotalMilliseconds;
+
+        if (timeSinceLastClick < DoubleClickThresholdMs)
+        {
+            _lastClickTime = DateTime.MinValue;
+            _ = OpenCurrentImageAsync();
+            e.Handled = true;
+            return;
+        }
+
+        _lastClickTime = currentTime;
+
         if (_images.Count <= 1)
         {
             return;
@@ -689,6 +705,81 @@ public partial class ZhiJiaoHubWidget : UserControl,
         _dragOffset = 0;
     }
 
+    private async Task OpenCurrentImageAsync()
+    {
+        if (_images.Count == 0 || _currentImageIndex < 0 || _currentImageIndex >= _images.Count)
+        {
+            return;
+        }
+
+        var imageItem = _images[_currentImageIndex];
+
+        try
+        {
+            string? filePath = null;
+
+            if (imageItem.IsCached && !string.IsNullOrEmpty(imageItem.LocalPath) && File.Exists(imageItem.LocalPath))
+            {
+                filePath = imageItem.LocalPath;
+            }
+            else
+            {
+                filePath = await DownloadImageToTempAsync(imageItem);
+            }
+
+            if (!string.IsNullOrEmpty(filePath) && File.Exists(filePath))
+            {
+                try
+                {
+                    var startInfo = new ProcessStartInfo
+                    {
+                        FileName = filePath,
+                        UseShellExecute = true
+                    };
+                    Process.Start(startInfo);
+                }
+                catch
+                {
+                }
+            }
+        }
+        catch
+        {
+        }
+    }
+
+    private async Task<string?> DownloadImageToTempAsync(ZhiJiaoHubHybridImageItem imageItem)
+    {
+        try
+        {
+            var imageUrl = imageItem.RemoteUrl;
+            if (string.Equals(_mirrorSource, ZhiJiaoHubMirrorSources.GhProxy, StringComparison.OrdinalIgnoreCase))
+            {
+                imageUrl = ZhiJiaoHubMirrorSources.GhProxyBaseUrl.TrimEnd('/') + "/" + imageItem.RemoteUrl;
+            }
+
+            using var response = await ImageHttpClient.GetAsync(imageUrl);
+            response.EnsureSuccessStatusCode();
+
+            var fileExtension = Path.GetExtension(new Uri(imageUrl).AbsolutePath);
+            if (string.IsNullOrEmpty(fileExtension))
+            {
+                fileExtension = ".jpg";
+            }
+
+            var tempPath = Path.Combine(Path.GetTempPath(), $"LanMountain_ZhiJiaoHub_{Guid.NewGuid():N}{fileExtension}");
+            await using var fileStream = File.OpenWrite(tempPath);
+            var contentStream = await response.Content.ReadAsStreamAsync();
+            await contentStream.CopyToAsync(fileStream);
+
+            return tempPath;
+        }
+        catch
+        {
+            return null;
+        }
+    }
+
     private void OnPointerMoved(object? sender, PointerEventArgs e)
     {
         if (!_isDragging || _images.Count <= 1)

LanMountainDesktop/Views/DesktopWidgetWindow.axaml

@@ -0,0 +1,23 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d"
+        x:Class="LanMountainDesktop.Views.DesktopWidgetWindow"
+        Title="Desktop Component"
+        ShowInTaskbar="False"
+        SystemDecorations="None"
+        Background="Transparent"
+        Topmost="False"
+        SizeToContent="WidthAndHeight"
+        TransparencyLevelHint="Transparent"
+        RenderOptions.BitmapInterpolationMode="HighQuality"
+        CanResize="False">
+
+    <Border x:Name="ComponentContainer"
+            Background="Transparent"
+            CornerRadius="{DynamicResource DesignCornerRadiusComponent}"
+            ClipToBounds="True">
+        <!-- Component control will be injected here -->
+    </Border>
+</Window>

LanMountainDesktop/Views/DesktopWidgetWindow.axaml.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using Avalonia;
+using Avalonia.Controls;
+using LanMountainDesktop.Services;
+using Avalonia.Threading;
+
+namespace LanMountainDesktop.Views;
+
+/// <summary>
+/// 表示一个独立的组件挂载窗口。它不含有任何自己的边窗，仅仅负责包裹组件并将自身植入系统最底层。
+/// </summary>
+public partial class DesktopWidgetWindow : Window
+{
+    private readonly IWindowBottomMostService _bottomMostService = WindowBottomMostServiceFactory.GetOrCreate();
+    private readonly IRegionPassthroughService _regionPassthroughService = RegionPassthroughServiceFactory.GetOrCreate();
+
+    public DesktopWidgetWindow()
+    {
+        InitializeComponent();
+    }
+
+    public DesktopWidgetWindow(Control componentContent) : this()
+    {
+        ComponentContainer.Child = componentContent;
+    }
+
+    protected override void OnOpened(EventArgs e)
+    {
+        base.OnOpened(e);
+
+        if (OperatingSystem.IsWindows())
+        {
+            // 通过现有的置底服务将独立的小窗口锁定到底层
+            _bottomMostService.SetupBottomMost(this);
+            _bottomMostService.SendToBottom(this);
+
+            // 当窗口展示完毕且有了尺寸后，更新可交互区域，使得整个组件都能被点击
+            Dispatcher.UIThread.Post(UpdateInteractiveRegion, DispatcherPriority.Render);
+        }
+    }
+
+    protected override void OnSizeChanged(SizeChangedEventArgs e)
+    {
+        base.OnSizeChanged(e);
+        
+        if (OperatingSystem.IsWindows() && IsVisible)
+        {
+            UpdateInteractiveRegion();
+        }
+    }
+
+    private void UpdateInteractiveRegion()
+    {
+        // 既然是一个完全紧贴在组件身上的小窗，它的全部都是可交互的
+        _regionPassthroughService.SetInteractiveRegions(this, new List<Rect>
+        {
+            new(0, 0, Bounds.Width, Bounds.Height)
+        });
+    }
+}

LanMountainDesktop/Views/FusedDesktopComponentLibraryControl.axaml

@@ -0,0 +1,160 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:vm="using:LanMountainDesktop.ViewModels"
+             xmlns:fi="using:FluentIcons.Avalonia"
+             x:Class="LanMountainDesktop.Views.FusedDesktopComponentLibraryControl"
+             x:DataType="vm:ComponentLibraryWindowViewModel">
+    
+    <Grid ColumnDefinitions="240,*"
+          ColumnSpacing="12"
+          Margin="0">
+        <!-- 分类列表 (左侧) -->
+        <Border Classes="surface-translucent-panel"
+                CornerRadius="{DynamicResource DesignCornerRadiusLg}"
+                Padding="10">
+            <Grid RowDefinitions="Auto,*">
+                <TextBox x:Name="SearchBox"
+                         Watermark="搜索组件..."
+                         Margin="0,0,0,12"
+                         Classes="clear"
+                         Background="{DynamicResource AdaptiveSurfaceLowBrush}"
+                         CornerRadius="12"
+                         Padding="12,8">
+                    <TextBox.InnerLeftContent>
+                        <fi:SymbolIcon Symbol="Search" FontSize="16" Margin="10,0,0,0" Opacity="0.5" />
+                    </TextBox.InnerLeftContent>
+                </TextBox>
+                
+                <ListBox x:Name="CategoryListBox"
+                         Grid.Row="1"
+                         Background="Transparent"
+                         BorderThickness="0"
+                         SelectionChanged="OnCategorySelectionChanged"
+                         ItemsSource="{Binding Categories}">
+                    <ListBox.ItemTemplate>
+                        <DataTemplate x:DataType="vm:ComponentLibraryCategoryViewModel">
+                            <Border Padding="10"
+                                    Margin="0,0,0,6"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusSm}"
+                                    Background="{DynamicResource AdaptiveNavItemBackgroundBrush}">
+                                <Grid ColumnDefinitions="Auto,*"
+                                      ColumnSpacing="8">
+                                    <fi:SymbolIcon Symbol="{Binding Icon}"
+                                                   IconVariant="Regular"
+                                                   FontSize="16" />
+                                    <TextBlock Grid.Column="1"
+                                               VerticalAlignment="Center"
+                                               FontWeight="SemiBold"
+                                               Foreground="{DynamicResource AdaptiveTextPrimaryBrush}"
+                                               Text="{Binding Title}" />
+                                </Grid>
+                            </Border>
+                        </DataTemplate>
+                    </ListBox.ItemTemplate>
+                </ListBox>
+            </Grid>
+        </Border>
+
+        <!-- 组件网格 (右侧) -->
+        <Border Grid.Column="1"
+                Classes="surface-translucent-strong"
+                CornerRadius="{DynamicResource DesignCornerRadiusLg}"
+                Padding="10">
+            <ScrollViewer VerticalScrollBarVisibility="Auto"
+                          HorizontalScrollBarVisibility="Disabled">
+                <ItemsControl x:Name="ComponentItemsControl"
+                              ItemsSource="{Binding Components}">
+                    <ItemsControl.ItemsPanel>
+                        <ItemsPanelTemplate>
+                            <WrapPanel Orientation="Horizontal" />
+                        </ItemsPanelTemplate>
+                    </ItemsControl.ItemsPanel>
+
+                    <ItemsControl.ItemTemplate>
+                        <DataTemplate x:DataType="vm:ComponentLibraryItemViewModel">
+                            <Border Width="240"
+                                    Height="220"
+                                    Margin="6"
+                                    CornerRadius="{DynamicResource DesignCornerRadiusComponent}"
+                                    Padding="10"
+                                    Background="{DynamicResource AdaptiveSurfaceRaisedBrush}"
+                                    BorderBrush="{DynamicResource AdaptiveButtonBorderBrush}"
+                                    BorderThickness="1">
+                                <Grid RowDefinitions="*,Auto,Auto"
+                                      RowSpacing="8">
+                                    <!-- 预览区域 -->
+                                    <Border CornerRadius="{DynamicResource DesignCornerRadiusSm}"
+                                            Background="{DynamicResource AdaptiveGlassPanelBackgroundBrush}"
+                                            BorderThickness="1"
+                                            BorderBrush="{DynamicResource AdaptiveGlassPanelBorderBrush}"
+                                            Padding="8">
+                                        <Grid>
+                                            <Image Source="{Binding PreviewBitmap}"
+                                                   Stretch="Uniform"
+                                                   HorizontalAlignment="Stretch"
+                                                   VerticalAlignment="Stretch"
+                                                   RenderOptions.BitmapInterpolationMode="HighQuality"
+                                                   IsVisible="{Binding IsPreviewReady}" />
+
+                                            <!-- 加载中状态 -->
+                                            <Border IsVisible="{Binding IsPreviewPending}"
+                                                    Background="{DynamicResource AdaptiveSurfaceBaseBrush}">
+                                                <StackPanel HorizontalAlignment="Center"
+                                                            VerticalAlignment="Center"
+                                                            Spacing="8">
+                                                    <ProgressBar Width="96"
+                                                                 IsIndeterminate="True" />
+                                                    <TextBlock HorizontalAlignment="Center"
+                                                               TextAlignment="Center"
+                                                               FontSize="12"
+                                                               Foreground="{DynamicResource AdaptiveTextSecondaryBrush}"
+                                                               Text="{Binding PreviewStatusText}" />
+                                                </StackPanel>
+                                            </Border>
+
+                                            <!-- 失败状态 -->
+                                            <Border IsVisible="{Binding IsPreviewFailed}"
+                                                    Background="{DynamicResource AdaptiveSurfaceBaseBrush}">
+                                                <StackPanel HorizontalAlignment="Center"
+                                                            VerticalAlignment="Center"
+                                                            Spacing="8">
+                                                    <TextBlock HorizontalAlignment="Center"
+                                                               TextAlignment="Center"
+                                                               FontWeight="SemiBold"
+                                                               Foreground="{DynamicResource AdaptiveTextPrimaryBrush}"
+                                                               Text="{Binding PreviewStatusText}" />
+                                                    <TextBlock HorizontalAlignment="Center"
+                                                               TextAlignment="Center"
+                                                               FontSize="12"
+                                                               TextWrapping="Wrap"
+                                                               Foreground="{DynamicResource AdaptiveTextSecondaryBrush}"
+                                                               Text="{Binding PreviewErrorMessage}" />
+                                                </StackPanel>
+                                            </Border>
+                                        </Grid>
+                                    </Border>
+
+                                    <!-- 组件名称 -->
+                                    <TextBlock Grid.Row="1"
+                                               HorizontalAlignment="Center"
+                                               FontWeight="SemiBold"
+                                               Foreground="{DynamicResource AdaptiveTextPrimaryBrush}"
+                                               Text="{Binding DisplayName}" />
+
+                                    <!-- 添加按钮 -->
+                                    <Button Grid.Row="2"
+                                            HorizontalAlignment="Center"
+                                            Padding="12,6"
+                                            Tag="{Binding ComponentId}"
+                                            Click="OnAddComponentClick">
+                                        <TextBlock Text="添加到桌面" />
+                                    </Button>
+                                </Grid>
+                            </Border>
+                        </DataTemplate>
+                    </ItemsControl.ItemTemplate>
+                </ItemsControl>
+            </ScrollViewer>
+        </Border>
+    </Grid>
+</UserControl>

LanMountainDesktop/Views/FusedDesktopComponentLibraryControl.axaml.cs

@@ -0,0 +1,190 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using FluentIcons.Common;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Services;
+using LanMountainDesktop.Services.Settings;
+using LanMountainDesktop.ViewModels;
+using LanMountainDesktop.Views.Components;
+using Avalonia.Controls.ApplicationLifetimes;
+
+namespace LanMountainDesktop.Views;
+
+public partial class FusedDesktopComponentLibraryControl : UserControl
+{
+    public event EventHandler<string>? AddComponentRequested;
+
+    private readonly ComponentLibraryWindowViewModel _viewModel = new();
+    private List<DesktopComponentDefinition> _allDefinitions = new();
+
+    private ComponentRegistry? _componentRegistry;
+    private DesktopComponentRuntimeRegistry? _componentRuntimeRegistry;
+    private readonly ISettingsFacadeService _settingsFacade = HostSettingsFacadeProvider.GetOrCreate();
+    private readonly IWeatherInfoService _weatherDataService;
+    private readonly TimeZoneService _timeZoneService;
+    private readonly IRecommendationInfoService _recommendationInfoService = new RecommendationDataService();
+    private readonly ICalculatorDataService _calculatorDataService = new CalculatorDataService();
+
+    public FusedDesktopComponentLibraryControl()
+    {
+        InitializeComponent();
+        DataContext = _viewModel;
+
+        _weatherDataService = _settingsFacade.Weather.GetWeatherInfoService();
+        _timeZoneService = _settingsFacade.Region.GetTimeZoneService();
+
+        LoadRegistry();
+        LoadCategories();
+        SearchBox.KeyUp += (s, e) => FilterComponents();
+
+        // 默认选择第一个分类
+        if (_viewModel.Categories.Count > 0)
+        {
+            CategoryListBox.SelectedIndex = 0;
+        }
+    }
+
+    private void LoadRegistry()
+    {
+        var pluginRuntimeService = (Application.Current as App)?.PluginRuntimeService;
+        _componentRegistry = DesktopComponentRegistryFactory.Create(pluginRuntimeService);
+        _componentRuntimeRegistry = DesktopComponentRegistryFactory.CreateRuntimeRegistry(
+            _componentRegistry,
+            pluginRuntimeService,
+            _settingsFacade);
+
+        _allDefinitions = _componentRegistry.GetAll()
+            .Where(d => d.AllowDesktopPlacement)
+            .ToList();
+    }
+
+    private void LoadCategories()
+    {
+        _viewModel.Categories.Clear();
+        _viewModel.Components.Clear();
+
+        // 添加"全部组件"分类
+        _viewModel.Categories.Add(new ComponentLibraryCategoryViewModel(
+            "all",
+            "全部组件",
+            Symbol.Apps,
+            Array.Empty<ComponentLibraryItemViewModel>()));
+
+        var categoryMap = new Dictionary<string, (string Display, Symbol Icon)>
+        {
+            { "clock", ("时钟", Symbol.Clock) },
+            { "date", ("日历", Symbol.CalendarDate) },
+            { "weather", ("天气", Symbol.WeatherSunny) },
+            { "board", ("画板", Symbol.Edit) },
+            { "media", ("媒体", Symbol.Play) },
+            { "info", ("资讯", Symbol.News) },
+            { "calculator", ("工具", Symbol.Calculator) },
+            { "study", ("学习", Symbol.Hourglass) },
+            { "file", ("文件", Symbol.Folder) }
+        };
+
+        var usedCategories = _allDefinitions
+            .Select(d => d.Category)
+            .Distinct()
+            .Where(c => !string.IsNullOrEmpty(c));
+
+        foreach (var cat in usedCategories)
+        {
+            if (categoryMap.TryGetValue(cat.ToLower(), out var info))
+            {
+                var categoryComponents = _allDefinitions
+                    .Where(d => string.Equals(d.Category, cat, StringComparison.OrdinalIgnoreCase))
+                    .OrderBy(d => d.DisplayName)
+                    .Select(d => CreateComponentItem(d))
+                    .ToArray();
+
+                _viewModel.Categories.Add(new ComponentLibraryCategoryViewModel(
+                    cat,
+                    info.Display,
+                    info.Icon,
+                    categoryComponents));
+            }
+        }
+    }
+
+    private ComponentLibraryItemViewModel CreateComponentItem(DesktopComponentDefinition definition)
+    {
+        var previewKey = ComponentPreviewKey.ForComponentType(
+            definition.Id,
+            definition.MinWidthCells,
+            definition.MinHeightCells);
+
+        var mainWindow = (Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime)?.MainWindow as MainWindow;
+        ComponentPreviewImageEntry? previewEntry = null;
+
+        if (mainWindow is not null)
+        {
+            previewEntry = mainWindow.GetPreviewEntry(previewKey);
+        }
+
+        var item = new ComponentLibraryItemViewModel(
+            definition.Id,
+            definition.DisplayName,
+            previewKey,
+            "正在加载预览...",
+            "预览不可用",
+            previewEntry);
+            
+        if (mainWindow is not null && (previewEntry is null || previewEntry.State == ComponentPreviewImageState.Pending))
+        {
+            mainWindow.RequestDetachedLibraryPreview(previewKey);
+        }
+
+        return item;
+    }
+
+    public void UpdatePreviewImage(ComponentPreviewImageEntry entry)
+    {
+        foreach (var category in _viewModel.Categories)
+        {
+            foreach (var component in category.Components)
+            {
+                if (component.PreviewKey.Equals(entry.Key))
+                {
+                    component.UpdatePreviewImageEntry(entry);
+                }
+            }
+        }
+    }
+
+    private void OnCategorySelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        FilterComponents();
+    }
+
+    private void FilterComponents()
+    {
+        var selectedCategory = (CategoryListBox.SelectedItem as ComponentLibraryCategoryViewModel)?.Id;
+        var searchText = SearchBox.Text?.ToLower() ?? "";
+
+        var filtered = _allDefinitions.Where(d =>
+        {
+            var matchesCategory = selectedCategory == "all" || string.Equals(d.Category, selectedCategory, StringComparison.OrdinalIgnoreCase);
+            var matchesSearch = string.IsNullOrEmpty(searchText) || d.DisplayName.ToLower().Contains(searchText) || d.Id.ToLower().Contains(searchText);
+            return matchesCategory && matchesSearch;
+        });
+
+        _viewModel.Components.Clear();
+        foreach (var def in filtered)
+        {
+            _viewModel.Components.Add(CreateComponentItem(def));
+        }
+    }
+
+    private void OnAddComponentClick(object? sender, RoutedEventArgs e)
+    {
+        if (sender is Button button && button.Tag is string componentId)
+        {
+            AddComponentRequested?.Invoke(this, componentId);
+        }
+    }
+}

LanMountainDesktop/Views/FusedDesktopComponentLibraryWindow.axaml

@@ -0,0 +1,57 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:controls="using:LanMountainDesktop.Views"
+        xmlns:fi="using:FluentIcons.Avalonia"
+        x:Class="LanMountainDesktop.Views.FusedDesktopComponentLibraryWindow"
+        Width="860" Height="620"
+        MinWidth="600" MinHeight="500"
+        WindowStartupLocation="CenterScreen"
+        SystemDecorations="Full"
+        ExtendClientAreaToDecorationsHint="True"
+        ExtendClientAreaChromeHints="NoChrome"
+        ExtendClientAreaTitleBarHeightHint="-1"
+        Background="Transparent"
+        TransparencyLevelHint="Mica"
+        Title="融合桌面组件库">
+    
+    <Panel>
+        <!-- 背景磨砂效果 -->
+        <Border Background="{DynamicResource AdaptiveSurfaceLowBrush}"
+                Opacity="0.85" />
+        
+        <Grid RowDefinitions="Auto,*">
+            <!-- 自定义标题栏 -->
+            <Border Background="Transparent"
+                    IsHitTestVisible="True"
+                    Padding="20,16">
+                <Grid ColumnDefinitions="*,Auto">
+                    <StackPanel Spacing="6" VerticalAlignment="Center">
+                        <TextBlock Text="融合桌面组件库"
+                                   FontWeight="SemiBold"
+                                   FontSize="20"
+                                   Foreground="{DynamicResource AdaptiveTextPrimaryBrush}" />
+                        <TextBlock Text="将精美组件放置在您的系统桌面上（负一屏）"
+                                   Opacity="0.6"
+                                   FontSize="13"
+                                   Foreground="{DynamicResource AdaptiveTextPrimaryBrush}" />
+                    </StackPanel>
+                    
+                    <Button Grid.Column="1"
+                            Classes="accent"
+                            Width="36" Height="36"
+                            Padding="0"
+                            CornerRadius="18"
+                            BorderThickness="0"
+                            Background="{DynamicResource AdaptiveButtonHoverBackgroundBrush}"
+                            Click="OnCloseClick">
+                        <fi:SymbolIcon Symbol="Dismiss" FontSize="18" />
+                    </Button>
+                </Grid>
+            </Border>
+            
+            <!-- 组件库控件 -->
+            <controls:FusedDesktopComponentLibraryControl x:Name="LibraryControl"
+                                                          Grid.Row="1" />
+        </Grid>
+    </Panel>
+</Window>

LanMountainDesktop/Views/FusedDesktopComponentLibraryWindow.axaml.cs

@@ -0,0 +1,117 @@
+using System;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Services;
+using LanMountainDesktop.Services.Settings;
+using Avalonia.Controls.ApplicationLifetimes;
+
+namespace LanMountainDesktop.Views;
+
+/// <summary>
+/// 融合桌面组件库窗口 - 专门用于添加组件到系统桌面（负一屏）
+/// 
+/// 注意：此窗口只能添加组件到融合桌面，不能添加到阑山桌面
+/// </summary>
+public partial class FusedDesktopComponentLibraryWindow : Window
+{
+    private readonly IFusedDesktopLayoutService _layoutService = FusedDesktopLayoutServiceProvider.GetOrCreate();
+    private readonly ISettingsFacadeService _settingsFacade = HostSettingsFacadeProvider.GetOrCreate();
+    private TransparentOverlayWindow? _overlayWindow;
+    
+    // 与 TransparentOverlayWindow 保持一致的默认 cellSize
+    private const double DefaultCellSize = 100;
+    
+    public FusedDesktopComponentLibraryWindow()
+    {
+        InitializeComponent();
+        
+        LibraryControl.AddComponentRequested += OnAddComponentRequested;
+        
+        var mainWindow = (Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime)?.MainWindow as MainWindow;
+        mainWindow?.RegisterFusedLibraryWindow(this);
+    }
+    
+    /// <summary>
+    /// 设置透明覆盖层窗口引用
+    /// </summary>
+    public void SetOverlayWindow(TransparentOverlayWindow overlayWindow)
+    {
+        _overlayWindow = overlayWindow;
+    }
+    
+    /// <summary>
+    /// 添加组件请求处理 - 将组件放置在屏幕（覆盖层画布）中央
+    /// </summary>
+    private void OnAddComponentRequested(object? sender, string componentId)
+    {
+        if (_overlayWindow is null)
+        {
+            AppLogger.Warn("FusedDesktopLibrary", "Overlay window is not set.");
+            return;
+        }
+        
+        // 计算组件的像素尺寸
+        var (componentWidth, componentHeight) = ResolveComponentSize(componentId);
+        
+        // 取覆盖层画布的中心点，减去组件半尺寸，使组件出现在屏幕正中央
+        var overlayBounds = _overlayWindow.Bounds;
+        var centerX = overlayBounds.Width / 2.0 - componentWidth / 2.0;
+        var centerY = overlayBounds.Height / 2.0 - componentHeight / 2.0;
+        
+        // 边界保护：确保组件不超出屏幕边界
+        centerX = Math.Max(0, Math.Min(centerX, overlayBounds.Width - componentWidth));
+        centerY = Math.Max(0, Math.Min(centerY, overlayBounds.Height - componentHeight));
+        
+        _overlayWindow.AddComponent(componentId, centerX, centerY, componentWidth, componentHeight);
+        
+        AppLogger.Info("FusedDesktopLibrary",
+            $"Added component '{componentId}' at center ({centerX:F0}, {centerY:F0}) size ({componentWidth}x{componentHeight}).");
+        
+        // 关闭窗口
+        Close();
+    }
+    
+    /// <summary>
+    /// 解析组件的默认像素尺寸（基于组件定义的 MinCells * DefaultCellSize）
+    /// </summary>
+    private (double Width, double Height) ResolveComponentSize(string componentId)
+    {
+        try
+        {
+            var pluginRuntimeService = (Application.Current as App)?.PluginRuntimeService;
+            var registry = DesktopComponentRegistryFactory.Create(pluginRuntimeService);
+            if (registry.TryGetDefinition(componentId, out var definition))
+            {
+                var w = Math.Max(1, definition.MinWidthCells) * DefaultCellSize;
+                var h = Math.Max(1, definition.MinHeightCells) * DefaultCellSize;
+                return (w, h);
+            }
+        }
+        catch (Exception ex)
+        {
+            AppLogger.Warn("FusedDesktopLibrary", $"Failed to resolve component size for '{componentId}'.", ex);
+        }
+        
+        // 回退为 2×2 格子的默认尺寸
+        return (DefaultCellSize * 2, DefaultCellSize * 2);
+    }
+    
+    private void OnCloseClick(object? sender, RoutedEventArgs e)
+    {
+        Close();
+    }
+    
+    protected override void OnClosed(EventArgs e)
+    {
+        base.OnClosed(e);
+        var mainWindow = (Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime)?.MainWindow as MainWindow;
+        mainWindow?.UnregisterFusedLibraryWindow(this);
+    }
+    
+    public void UpdatePreviewImage(ComponentPreviewImageEntry entry)
+    {
+        LibraryControl.UpdatePreviewImage(entry);
+    }
+}

LanMountainDesktop/Views/MainWindow.ComponentPreviewImages.cs

@@ -24,6 +24,7 @@ public partial class MainWindow
     private readonly IComponentPreviewImageService _componentPreviewImageService = new ComponentPreviewImageService();
     private readonly Dictionary<ComponentPreviewKey, List<ComponentLibraryPreviewVisualTarget>> _componentLibraryPreviewVisualTargets = new(ComponentPreviewKeyComparer.Instance);
     private bool _componentLibraryPreviewWarmupStarted;
+    private FusedDesktopComponentLibraryWindow? _fusedLibraryWindow;
 
     private sealed record ComponentLibraryPreviewVisualTarget(Image Image, Control Fallback);
 
@@ -519,6 +520,7 @@ public partial class MainWindow
             {
                 ApplyPreviewEntryToEmbeddedVisuals(entry.Key);
                 _detachedComponentLibraryWindow?.UpdatePreviewImage(entry);
+                _fusedLibraryWindow?.UpdatePreviewImage(entry);
 
                 if (entry.Key.Kind == ComponentPreviewKeyKind.PlacementInstance)
                 {
@@ -597,4 +599,30 @@ public partial class MainWindow
             action: "DetachedLibraryRender",
             forceRefresh: false);
     }
+    
+    // FusedDesktop 支持
+
+    public void RegisterFusedLibraryWindow(FusedDesktopComponentLibraryWindow window)
+    {
+        _fusedLibraryWindow = window;
+    }
+
+    public void UnregisterFusedLibraryWindow(FusedDesktopComponentLibraryWindow window)
+    {
+        if (ReferenceEquals(_fusedLibraryWindow, window))
+        {
+            _fusedLibraryWindow = null;
+        }
+    }
+
+    public ComponentPreviewImageEntry? GetPreviewEntry(ComponentPreviewKey key)
+    {
+        return ResolvePreviewEntry(key);
+    }
+
+    public void RequestDetachedLibraryPreview(ComponentPreviewKey key)
+    {
+        RequestDetachedLibraryPreviewWarm(key);
+        RequestDetachedLibraryPreviewRender(key);
+    }
 }

LanMountainDesktop/Views/MainWindow.ComponentSystem.cs

@@ -364,12 +364,295 @@ public partial class MainWindow
             ? ClockDisplayFormat.HourMinute
             : ClockDisplayFormat.HourMinuteSecond;
         _statusBarClockTransparentBackground = snapshot.StatusBarClockTransparentBackground;
+        _clockPosition = NormalizeClockPosition(snapshot.ClockPosition);
 
-        if (ClockWidget is not null)
+        _showTextCapsule = snapshot.ShowTextCapsule;
+        _textCapsuleContent = snapshot.TextCapsuleContent ?? "**Hello** World!";
+        _textCapsulePosition = NormalizeTextCapsulePosition(snapshot.TextCapsulePosition);
+        _textCapsuleTransparentBackground = snapshot.TextCapsuleTransparentBackground;
+
+        ApplyClockSettingsToAllWidgets();
+        ApplyTextCapsuleSettingsToAllWidgets();
+    }
+
+    private void ApplyClockSettingsToAllWidgets()
+    {
+        if (ClockWidgetLeft is not null)
         {
-            ClockWidget.SetDisplayFormat(_clockDisplayFormat);
-            ClockWidget.SetTransparentBackground(_statusBarClockTransparentBackground);
+            ClockWidgetLeft.SetDisplayFormat(_clockDisplayFormat);
+            ClockWidgetLeft.SetTransparentBackground(_statusBarClockTransparentBackground);
         }
+        if (ClockWidgetCenter is not null)
+        {
+            ClockWidgetCenter.SetDisplayFormat(_clockDisplayFormat);
+            ClockWidgetCenter.SetTransparentBackground(_statusBarClockTransparentBackground);
+        }
+        if (ClockWidgetRight is not null)
+        {
+            ClockWidgetRight.SetDisplayFormat(_clockDisplayFormat);
+            ClockWidgetRight.SetTransparentBackground(_statusBarClockTransparentBackground);
+        }
+    }
+
+    private static string NormalizeClockPosition(string? value)
+    {
+        return value switch
+        {
+            _ when string.Equals(value, "Center", StringComparison.OrdinalIgnoreCase) => "Center",
+            _ when string.Equals(value, "Right", StringComparison.OrdinalIgnoreCase) => "Right",
+            _ => "Left"
+        };
+    }
+
+    private void ApplyTextCapsuleSettingsToAllWidgets()
+    {
+        if (TextCapsuleWidgetLeft is not null)
+        {
+            TextCapsuleWidgetLeft.SetText(_textCapsuleContent);
+            TextCapsuleWidgetLeft.SetTransparentBackground(_textCapsuleTransparentBackground);
+        }
+        if (TextCapsuleWidgetCenter is not null)
+        {
+            TextCapsuleWidgetCenter.SetText(_textCapsuleContent);
+            TextCapsuleWidgetCenter.SetTransparentBackground(_textCapsuleTransparentBackground);
+        }
+        if (TextCapsuleWidgetRight is not null)
+        {
+            TextCapsuleWidgetRight.SetText(_textCapsuleContent);
+            TextCapsuleWidgetRight.SetTransparentBackground(_textCapsuleTransparentBackground);
+        }
+    }
+
+    private static string NormalizeTextCapsulePosition(string? value)
+    {
+        return value switch
+        {
+            _ when string.Equals(value, "Center", StringComparison.OrdinalIgnoreCase) => "Center",
+            _ when string.Equals(value, "Left", StringComparison.OrdinalIgnoreCase) => "Left",
+            _ => "Right"
+        };
+    }
+
+    /// <summary>
+    /// 检测状态栏组件是否会发生碰撞
+    /// </summary>
+    private bool WouldComponentsCollide()
+    {
+        if (TopStatusBarHost is null)
+            return false;
+
+        // 获取各区域当前占用的宽度
+        var leftWidth = GetLeftPanelOccupiedWidth();
+        var centerWidth = GetCenterPanelOccupiedWidth();
+        var rightWidth = GetRightPanelOccupiedWidth();
+
+        // 获取状态栏总宽度
+        var totalWidth = TopStatusBarHost.Bounds.Width;
+        if (totalWidth <= 0)
+            return false;
+
+        // 计算中间区域的实际位置
+        // 左列是 *, 中列是 Auto, 右列是 *
+        // 中间区域居中显示
+        var centerLeft = (totalWidth - centerWidth) / 2;
+        var centerRight = centerLeft + centerWidth;
+
+        // 安全间距（像素）
+        const double safetyMargin = 20;
+
+        // 检测左侧组件是否会与中间区域碰撞
+        // 左侧组件右边界 = leftWidth
+        // 中间区域左边界 = centerLeft
+        if (leftWidth + safetyMargin > centerLeft)
+        {
+            return true;
+        }
+
+        // 检测右侧组件是否会与中间区域碰撞
+        // 右侧组件左边界 = totalWidth - rightWidth
+        // 中间区域右边界 = centerRight
+        if (totalWidth - rightWidth - safetyMargin < centerRight)
+        {
+            return true;
+        }
+
+        // 检测中间区域是否会与左右两侧碰撞（中间区域过宽）
+        if (centerLeft < leftWidth + safetyMargin ||
+            centerRight > totalWidth - rightWidth - safetyMargin)
+        {
+            return true;
+        }
+
+        return false;
+    }
+
+    /// <summary>
+    /// 获取左侧面板占用的宽度（包括间距）
+    /// </summary>
+    private double GetLeftPanelOccupiedWidth()
+    {
+        if (TopStatusLeftPanel is null)
+            return 0;
+
+        var spacing = TopStatusLeftPanel.Spacing;
+        var width = 0.0;
+        var visibleCount = 0;
+
+        foreach (var child in TopStatusLeftPanel.Children)
+        {
+            if (child is Control control && control.IsVisible)
+            {
+                width += control.Bounds.Width;
+                visibleCount++;
+            }
+        }
+
+        // 添加间距
+        if (visibleCount > 1)
+        {
+            width += spacing * (visibleCount - 1);
+        }
+
+        return width;
+    }
+
+    /// <summary>
+    /// 获取中间面板占用的宽度（包括间距）
+    /// </summary>
+    private double GetCenterPanelOccupiedWidth()
+    {
+        if (TopStatusCenterPanel is null)
+            return 0;
+
+        var spacing = TopStatusCenterPanel.Spacing;
+        var width = 0.0;
+        var visibleCount = 0;
+
+        foreach (var child in TopStatusCenterPanel.Children)
+        {
+            if (child is Control control && control.IsVisible)
+            {
+                width += control.Bounds.Width;
+                visibleCount++;
+            }
+        }
+
+        // 添加间距
+        if (visibleCount > 1)
+        {
+            width += spacing * (visibleCount - 1);
+        }
+
+        return width;
+    }
+
+    /// <summary>
+    /// 获取右侧面板占用的宽度（包括间距）
+    /// </summary>
+    private double GetRightPanelOccupiedWidth()
+    {
+        if (TopStatusRightPanel is null)
+            return 0;
+
+        var spacing = TopStatusRightPanel.Spacing;
+        var width = 0.0;
+        var visibleCount = 0;
+
+        foreach (var child in TopStatusRightPanel.Children)
+        {
+            if (child is Control control && control.IsVisible)
+            {
+                width += control.Bounds.Width;
+                visibleCount++;
+            }
+        }
+
+        // 添加间距
+        if (visibleCount > 1)
+        {
+            width += spacing * (visibleCount - 1);
+        }
+
+        return width;
+    }
+
+    /// <summary>
+    /// 检查是否可以在指定位置添加组件
+    /// </summary>
+    private bool CanAddComponentAtPosition(string position)
+    {
+        // 先临时显示组件以计算宽度
+        var wouldCollide = WouldComponentsCollide();
+        if (!wouldCollide)
+            return true;
+
+        // 如果会发生碰撞，检查是否是因为目标位置导致的
+        // 获取当前各区域宽度
+        var leftWidth = GetLeftPanelOccupiedWidth();
+        var centerWidth = GetCenterPanelOccupiedWidth();
+        var rightWidth = GetRightPanelOccupiedWidth();
+
+        // 估算新组件的宽度（基于当前单元格大小）
+        var estimatedNewComponentWidth = _currentDesktopCellSize > 0 ? _currentDesktopCellSize * 2 : 120;
+
+        // 根据目标位置检查添加后是否会碰撞
+        return position switch
+        {
+            "Left" => CanAddToLeft(leftWidth, centerWidth, rightWidth, estimatedNewComponentWidth),
+            "Center" => CanAddToCenter(leftWidth, centerWidth, rightWidth, estimatedNewComponentWidth),
+            "Right" => CanAddToRight(leftWidth, centerWidth, rightWidth, estimatedNewComponentWidth),
+            _ => false
+        };
+    }
+
+    private bool CanAddToLeft(double leftWidth, double centerWidth, double rightWidth, double newWidth)
+    {
+        if (TopStatusBarHost is null)
+            return false;
+
+        var totalWidth = TopStatusBarHost.Bounds.Width;
+        if (totalWidth <= 0)
+            return true;
+
+        var newLeftWidth = leftWidth + newWidth + TopStatusLeftPanel?.Spacing ?? 6;
+        var centerLeft = (totalWidth - centerWidth) / 2;
+
+        const double safetyMargin = 20;
+        return newLeftWidth + safetyMargin <= centerLeft;
+    }
+
+    private bool CanAddToCenter(double leftWidth, double centerWidth, double rightWidth, double newWidth)
+    {
+        if (TopStatusBarHost is null)
+            return false;
+
+        var totalWidth = TopStatusBarHost.Bounds.Width;
+        if (totalWidth <= 0)
+            return true;
+
+        var newCenterWidth = centerWidth + newWidth + TopStatusCenterPanel?.Spacing ?? 6;
+        var centerLeft = (totalWidth - newCenterWidth) / 2;
+        var centerRight = centerLeft + newCenterWidth;
+
+        const double safetyMargin = 20;
+        return centerLeft >= leftWidth + safetyMargin &&
+               centerRight <= totalWidth - rightWidth - safetyMargin;
+    }
+
+    private bool CanAddToRight(double leftWidth, double centerWidth, double rightWidth, double newWidth)
+    {
+        if (TopStatusBarHost is null)
+            return false;
+
+        var totalWidth = TopStatusBarHost.Bounds.Width;
+        if (totalWidth <= 0)
+            return true;
+
+        var newRightWidth = rightWidth + newWidth + TopStatusRightPanel?.Spacing ?? 6;
+        var centerRight = (totalWidth + centerWidth) / 2;
+
+        const double safetyMargin = 20;
+        return totalWidth - newRightWidth - safetyMargin >= centerRight;
     }
 
     private void ApplyTopStatusComponentVisibility()
@@ -377,16 +660,113 @@ public partial class MainWindow
         var showClock = _topStatusComponentIds.Contains(BuiltInComponentIds.Clock);
         var hasVisibleTopStatusComponent = false;
 
-        if (ClockWidget is not null)
+        // 先隐藏所有时钟控件
+        if (ClockWidgetLeft is not null)
+            ClockWidgetLeft.IsVisible = false;
+        if (ClockWidgetCenter is not null)
+            ClockWidgetCenter.IsVisible = false;
+        if (ClockWidgetRight is not null)
+            ClockWidgetRight.IsVisible = false;
+
+        // 先隐藏所有文字胶囊控件
+        if (TextCapsuleWidgetLeft is not null)
+            TextCapsuleWidgetLeft.IsVisible = false;
+        if (TextCapsuleWidgetCenter is not null)
+            TextCapsuleWidgetCenter.IsVisible = false;
+        if (TextCapsuleWidgetRight is not null)
+            TextCapsuleWidgetRight.IsVisible = false;
+
+        // 根据位置设置显示对应的时钟控件（带碰撞检测）
+        if (showClock)
         {
-            ClockWidget.IsVisible = showClock;
-            ClockWidget.SetTransparentBackground(_statusBarClockTransparentBackground);
-            if (showClock)
+            var targetPosition = _clockPosition;
+            var canAdd = CanAddComponentAtPosition(targetPosition);
+
+            if (canAdd)
             {
-                ClockWidget.SetDisplayFormat(_clockDisplayFormat);
-                var columnSpan = _clockDisplayFormat == ClockDisplayFormat.HourMinute ? 2 : 3;
-                Grid.SetColumnSpan(ClockWidget, columnSpan);
-                hasVisibleTopStatusComponent = true;
+                var targetClock = targetPosition switch
+                {
+                    "Center" => ClockWidgetCenter,
+                    "Right" => ClockWidgetRight,
+                    _ => ClockWidgetLeft
+                };
+
+                if (targetClock is not null)
+                {
+                    targetClock.IsVisible = true;
+                    targetClock.SetTransparentBackground(_statusBarClockTransparentBackground);
+                    targetClock.SetDisplayFormat(_clockDisplayFormat);
+                    hasVisibleTopStatusComponent = true;
+                }
+            }
+            else
+            {
+                // 如果目标位置无法添加，尝试其他位置
+                var alternativePosition = FindAlternativePosition(targetPosition);
+                if (alternativePosition is not null)
+                {
+                    var targetClock = alternativePosition switch
+                    {
+                        "Center" => ClockWidgetCenter,
+                        "Right" => ClockWidgetRight,
+                        _ => ClockWidgetLeft
+                    };
+
+                    if (targetClock is not null)
+                    {
+                        targetClock.IsVisible = true;
+                        targetClock.SetTransparentBackground(_statusBarClockTransparentBackground);
+                        targetClock.SetDisplayFormat(_clockDisplayFormat);
+                        hasVisibleTopStatusComponent = true;
+                    }
+                }
+            }
+        }
+
+        // 根据位置设置显示对应的文字胶囊控件（带碰撞检测）
+        if (_showTextCapsule)
+        {
+            var targetPosition = _textCapsulePosition;
+            var canAdd = CanAddComponentAtPosition(targetPosition);
+
+            if (canAdd)
+            {
+                var targetTextCapsule = targetPosition switch
+                {
+                    "Left" => TextCapsuleWidgetLeft,
+                    "Center" => TextCapsuleWidgetCenter,
+                    _ => TextCapsuleWidgetRight
+                };
+
+                if (targetTextCapsule is not null)
+                {
+                    targetTextCapsule.IsVisible = true;
+                    targetTextCapsule.SetTransparentBackground(_textCapsuleTransparentBackground);
+                    targetTextCapsule.SetText(_textCapsuleContent);
+                    hasVisibleTopStatusComponent = true;
+                }
+            }
+            else
+            {
+                // 如果目标位置无法添加，尝试其他位置
+                var alternativePosition = FindAlternativePosition(targetPosition);
+                if (alternativePosition is not null)
+                {
+                    var targetTextCapsule = alternativePosition switch
+                    {
+                        "Left" => TextCapsuleWidgetLeft,
+                        "Center" => TextCapsuleWidgetCenter,
+                        _ => TextCapsuleWidgetRight
+                    };
+
+                    if (targetTextCapsule is not null)
+                    {
+                        targetTextCapsule.IsVisible = true;
+                        targetTextCapsule.SetTransparentBackground(_textCapsuleTransparentBackground);
+                        targetTextCapsule.SetText(_textCapsuleContent);
+                        hasVisibleTopStatusComponent = true;
+                    }
+                }
             }
         }
 
@@ -394,6 +774,168 @@ public partial class MainWindow
         {
             TopStatusBarHost.IsVisible = hasVisibleTopStatusComponent;
         }
+
+        // 延迟检查碰撞并调整
+        Dispatcher.UIThread.Post(async () =>
+        {
+            await System.Threading.Tasks.Task.Delay(50);
+            AdjustComponentsIfColliding();
+        });
+    }
+
+    /// <summary>
+    /// 当组件发生碰撞时，自动调整位置
+    /// </summary>
+    private void AdjustComponentsIfColliding()
+    {
+        if (!WouldComponentsCollide())
+            return;
+
+        // 获取当前可见的组件
+        var leftComponents = GetVisibleLeftComponents();
+        var centerComponents = GetVisibleCenterComponents();
+        var rightComponents = GetVisibleRightComponents();
+
+        // 优先保留时钟，调整文字胶囊位置
+        if (TextCapsuleWidgetLeft?.IsVisible == true && WouldComponentsCollide())
+        {
+            // 尝试将左侧文字胶囊移到中间
+            if (CanAddComponentAtPosition("Center"))
+            {
+                TextCapsuleWidgetLeft.IsVisible = false;
+                TextCapsuleWidgetCenter!.IsVisible = true;
+                TextCapsuleWidgetCenter.SetTransparentBackground(_textCapsuleTransparentBackground);
+                TextCapsuleWidgetCenter.SetText(_textCapsuleContent);
+            }
+            // 或者移到右侧
+            else if (CanAddComponentAtPosition("Right"))
+            {
+                TextCapsuleWidgetLeft.IsVisible = false;
+                TextCapsuleWidgetRight!.IsVisible = true;
+                TextCapsuleWidgetRight.SetTransparentBackground(_textCapsuleTransparentBackground);
+                TextCapsuleWidgetRight.SetText(_textCapsuleContent);
+            }
+            // 如果都无法添加，则隐藏文字胶囊
+            else
+            {
+                TextCapsuleWidgetLeft.IsVisible = false;
+            }
+        }
+
+        if (TextCapsuleWidgetRight?.IsVisible == true && WouldComponentsCollide())
+        {
+            // 尝试将右侧文字胶囊移到中间
+            if (CanAddComponentAtPosition("Center"))
+            {
+                TextCapsuleWidgetRight.IsVisible = false;
+                TextCapsuleWidgetCenter!.IsVisible = true;
+                TextCapsuleWidgetCenter.SetTransparentBackground(_textCapsuleTransparentBackground);
+                TextCapsuleWidgetCenter.SetText(_textCapsuleContent);
+            }
+            // 或者移到左侧
+            else if (CanAddComponentAtPosition("Left"))
+            {
+                TextCapsuleWidgetRight.IsVisible = false;
+                TextCapsuleWidgetLeft!.IsVisible = true;
+                TextCapsuleWidgetLeft.SetTransparentBackground(_textCapsuleTransparentBackground);
+                TextCapsuleWidgetLeft.SetText(_textCapsuleContent);
+            }
+            // 如果都无法添加，则隐藏文字胶囊
+            else
+            {
+                TextCapsuleWidgetRight.IsVisible = false;
+            }
+        }
+
+        if (TextCapsuleWidgetCenter?.IsVisible == true && WouldComponentsCollide())
+        {
+            // 尝试将中间文字胶囊移到左侧
+            if (CanAddComponentAtPosition("Left"))
+            {
+                TextCapsuleWidgetCenter.IsVisible = false;
+                TextCapsuleWidgetLeft!.IsVisible = true;
+                TextCapsuleWidgetLeft.SetTransparentBackground(_textCapsuleTransparentBackground);
+                TextCapsuleWidgetLeft.SetText(_textCapsuleContent);
+            }
+            // 或者移到右侧
+            else if (CanAddComponentAtPosition("Right"))
+            {
+                TextCapsuleWidgetCenter.IsVisible = false;
+                TextCapsuleWidgetRight!.IsVisible = true;
+                TextCapsuleWidgetRight.SetTransparentBackground(_textCapsuleTransparentBackground);
+                TextCapsuleWidgetRight.SetText(_textCapsuleContent);
+            }
+            // 如果都无法添加，则隐藏文字胶囊
+            else
+            {
+                TextCapsuleWidgetCenter.IsVisible = false;
+            }
+        }
+    }
+
+    /// <summary>
+    /// 查找可用的替代位置
+    /// </summary>
+    private string? FindAlternativePosition(string originalPosition)
+    {
+        // 尝试所有可能的位置
+        var positions = new[] { "Left", "Center", "Right" };
+        foreach (var position in positions)
+        {
+            if (position != originalPosition && CanAddComponentAtPosition(position))
+            {
+                return position;
+            }
+        }
+        return null;
+    }
+
+    /// <summary>
+    /// 获取左侧可见组件列表
+    /// </summary>
+    private List<Control> GetVisibleLeftComponents()
+    {
+        var result = new List<Control>();
+        if (TopStatusLeftPanel is null) return result;
+
+        foreach (var child in TopStatusLeftPanel.Children)
+        {
+            if (child is Control control && control.IsVisible)
+                result.Add(control);
+        }
+        return result;
+    }
+
+    /// <summary>
+    /// 获取中间可见组件列表
+    /// </summary>
+    private List<Control> GetVisibleCenterComponents()
+    {
+        var result = new List<Control>();
+        if (TopStatusCenterPanel is null) return result;
+
+        foreach (var child in TopStatusCenterPanel.Children)
+        {
+            if (child is Control control && control.IsVisible)
+                result.Add(control);
+        }
+        return result;
+    }
+
+    /// <summary>
+    /// 获取右侧可见组件列表
+    /// </summary>
+    private List<Control> GetVisibleRightComponents()
+    {
+        var result = new List<Control>();
+        if (TopStatusRightPanel is null) return result;
+
+        foreach (var child in TopStatusRightPanel.Children)
+        {
+            if (child is Control control && control.IsVisible)
+                result.Add(control);
+        }
+        return result;
     }
 
     private TaskbarContext GetCurrentTaskbarContext()

LanMountainDesktop/Views/MainWindow.DesktopPaging.cs

@@ -16,6 +16,7 @@ using Avalonia.Threading;
 using Avalonia.VisualTree;
 using FluentAvalonia.UI.Controls;
 using LanMountainDesktop.Models;
+using LanMountainDesktop.PluginSdk;
 using LanMountainDesktop.Services;
 using LanMountainDesktop.Theme;
 
@@ -73,6 +74,10 @@ public partial class MainWindow
     private int? _desktopPageContextSettlingTargetIndex;
     private int _desktopPageContextSettleRevision;
 
+    // 三指滑动/右键拖动相关
+    private bool _isThreeFingerOrRightDragSwipeActive;
+    private readonly HashSet<int> _activePointerIds = [];
+
     private int LauncherSurfaceIndex => Math.Max(MinDesktopPageCount, _desktopPageCount);
 
     private int TotalSurfaceCount => LauncherSurfaceIndex + 1;
@@ -264,12 +269,6 @@ public partial class MainWindow
         LauncherPagePanel.MaxWidth = pageWidth - launcherMargin * 2;
         LauncherPagePanel.MaxHeight = pageHeight - launcherMargin * 2;
 
-        if (LauncherFolderPanel is not null)
-        {
-            LauncherFolderPanel.MaxWidth = Math.Max(320, pageWidth - 96);
-            LauncherFolderPanel.MaxHeight = Math.Max(220, pageHeight - 96);
-        }
-
         // 更新启动台图标布局
         UpdateLauncherTileLayout();
 
@@ -326,19 +325,6 @@ public partial class MainWindow
             }
         }
 
-        // 同样更新文件夹视图的图标尺寸
-        if (LauncherFolderTilePanel is not null)
-        {
-            LauncherFolderTilePanel.Width = availableWidth;
-            foreach (var child in LauncherFolderTilePanel.Children)
-            {
-                if (child is Button button)
-                {
-                    button.Width = tileWidth;
-                    button.Height = tileHeight;
-                }
-            }
-        }
     }
 
     private void ClampSurfaceIndex()
@@ -375,18 +361,6 @@ public partial class MainWindow
         UpdateDesktopPageAwareComponentContext();
     }
 
-    public void ForceDesktopPageToFirst()
-    {
-        if (_currentDesktopSurfaceIndex == 0)
-        {
-            return;
-        }
-
-        _currentDesktopSurfaceIndex = 0;
-        ApplyDesktopSurfaceOffset();
-        SchedulePersistSettings(delayMs: 120);
-    }
-
     private void SetDesktopPagesHostSnapAnimationEnabled(bool enabled)
     {
         if (_desktopPagesHostTransform is null)
@@ -527,6 +501,49 @@ public partial class MainWindow
             return;
         }
 
+        // 检查三指滑动功能是否启用
+        var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);
+        var isThreeFingerSwipeEnabled = appSnapshot.EnableThreeFingerSwipe;
+
+        var currentPoint = e.GetCurrentPoint(DesktopPagesViewport);
+        var pointerId = e.Pointer?.Id ?? 0;
+        var isRightButtonPressed = currentPoint.Properties.IsRightButtonPressed;
+        var isLeftButtonPressed = currentPoint.Properties.IsLeftButtonPressed;
+
+        // 处理三指滑动/右键拖动模式
+        if (isThreeFingerSwipeEnabled)
+        {
+            // 跟踪活跃指针
+            if (isLeftButtonPressed || isRightButtonPressed)
+            {
+                _activePointerIds.Add(pointerId);
+            }
+
+            // 判断是否是三指滑动或右键拖动
+            var isThreeFinger = _activePointerIds.Count >= 3;
+            var isRightDrag = isRightButtonPressed;
+
+            if (isThreeFinger || isRightDrag)
+            {
+                // 三指/右键拖动模式：跳过所有组件交互检查，直接开始滑动
+                ClearDesktopPageContextSettle(refreshContext: false);
+                _isThreeFingerOrRightDragSwipeActive = true;
+                _isDesktopSwipeActive = true;
+                _isDesktopSwipeDirectionLocked = false;
+                _desktopSwipeStartPoint = pointerInViewport;
+                _desktopSwipeCurrentPoint = _desktopSwipeStartPoint;
+                _desktopSwipeLastPoint = _desktopSwipeStartPoint;
+                _desktopSwipeVelocityX = 0;
+                _desktopSwipeLastTimestamp = Stopwatch.GetTimestamp();
+                _desktopSwipeBaseOffset = -_currentDesktopSurfaceIndex * _desktopSurfacePageWidth;
+                
+                // 标记事件已处理，防止组件响应
+                e.Handled = true;
+                return;
+            }
+        }
+
+        // 原有单指滑动逻辑
         if (IsInteractivePointerSource(e.Source))
         {
             return;
@@ -537,7 +554,7 @@ public partial class MainWindow
             return;
         }
 
-        if (!e.GetCurrentPoint(DesktopPagesViewport).Properties.IsLeftButtonPressed)
+        if (!isLeftButtonPressed)
         {
             return;
         }
@@ -594,8 +611,12 @@ public partial class MainWindow
 
         foreach (var node in button.GetSelfAndVisualAncestors())
         {
-            if (node is WrapPanel panel &&
-                (panel.Name == "LauncherRootTilePanel" || panel.Name == "LauncherFolderTilePanel"))
+            if (node is WrapPanel panel && panel.Name == "LauncherRootTilePanel")
+            {
+                return true;
+            }
+
+            if (node is Grid grid && grid.Name == "LauncherFolderGridPanel")
             {
                 return true;
             }
@@ -683,8 +704,7 @@ public partial class MainWindow
             return false;
         }
 
-        return scrollViewer.Name == "LauncherRootScrollViewer" ||
-               scrollViewer.Name == "LauncherFolderScrollViewer";
+        return scrollViewer.Name == "LauncherRootScrollViewer";
     }
 
     private bool TryGetPointerPositionInDesktopViewport(PointerEventArgs e, out Point point)
@@ -788,6 +808,10 @@ public partial class MainWindow
 
     private void OnDesktopPagesPointerReleased(object? sender, PointerReleasedEventArgs e)
     {
+        // 清理活跃指针
+        var pointerId = e.Pointer?.Id ?? 0;
+        _activePointerIds.Remove(pointerId);
+        
         if (EndDesktopSwipeInteraction(e.Pointer))
         {
             e.Handled = true;
@@ -796,6 +820,10 @@ public partial class MainWindow
 
     private void OnDesktopPagesPointerCaptureLost(object? sender, PointerCaptureLostEventArgs e)
     {
+        // 清理活跃指针
+        var pointerId = e.Pointer?.Id ?? 0;
+        _activePointerIds.Remove(pointerId);
+        
         EndDesktopSwipeInteraction(e.Pointer);
     }
 
@@ -814,6 +842,8 @@ public partial class MainWindow
 
         _isDesktopSwipeActive = false;
         _isDesktopSwipeDirectionLocked = false;
+        _isThreeFingerOrRightDragSwipeActive = false;
+        _activePointerIds.Clear();
         _desktopSwipeVelocityX = 0;
         _desktopSwipeLastTimestamp = 0;
         if (wasDirectionLocked)
@@ -831,8 +861,12 @@ public partial class MainWindow
         }
 
         var wasDirectionLocked = _isDesktopSwipeDirectionLocked;
+        var wasThreeFingerOrRightDrag = _isThreeFingerOrRightDragSwipeActive;
         _isDesktopSwipeActive = false;
         _isDesktopSwipeDirectionLocked = false;
+        _isThreeFingerOrRightDragSwipeActive = false;
+        _activePointerIds.Clear();
+        
         if (pointer?.Captured == DesktopPagesViewport)
         {
             pointer.Capture(null);
@@ -861,6 +895,23 @@ public partial class MainWindow
         var hasDistanceIntent = absDeltaX >= distanceThreshold && absDeltaX > absDeltaY * 1.05;
         var hasVelocityIntent = Math.Abs(_desktopSwipeVelocityX) >= velocityThreshold;
 
+        // 检查：三指/右键拖动 && 在第一页 && 向右滑动
+        if (wasThreeFingerOrRightDrag && 
+            _currentDesktopSurfaceIndex == 0 && 
+            deltaX > 0 && // 向右滑动
+            (hasDistanceIntent || hasVelocityIntent))
+        {
+            // 最小化到 Windows 桌面
+            if (Application.Current is App app)
+            {
+                app.HideMainWindowToTray(this, "ThreeFingerOrRightDragSwipe");
+            }
+            
+            ApplyDesktopSurfaceOffset();
+            _desktopSwipeVelocityX = 0;
+            return true;
+        }
+
         if (projectedTargetIndex == _currentDesktopSurfaceIndex && (hasDistanceIntent || hasVelocityIntent))
         {
             projectedTargetIndex = Math.Clamp(
@@ -1494,18 +1545,17 @@ public partial class MainWindow
             LauncherFolderOverlay.IsVisible = false;
         }
 
-        if (LauncherFolderTilePanel is not null)
+        if (LauncherFolderGridPanel is not null)
         {
-            LauncherFolderTilePanel.Children.Clear();
+            LauncherFolderGridPanel.Children.Clear();
         }
     }
 
     private void RenderLauncherFolderFromStack()
     {
         if (LauncherFolderOverlay is null ||
-            LauncherFolderTilePanel is null ||
-            LauncherFolderTitleTextBlock is null ||
-            LauncherFolderBackButton is null)
+            LauncherFolderGridPanel is null ||
+            LauncherFolderTitleTextBlock is null)
         {
             return;
         }
@@ -1520,38 +1570,230 @@ public partial class MainWindow
         var folder = _launcherFolderStack.Peek();
         LauncherFolderOverlay.IsVisible = true;
         LauncherFolderTitleTextBlock.Text = folder.Name;
-        LauncherFolderBackButton.IsVisible = _launcherFolderStack.Count > 1;
 
-        LauncherFolderTilePanel.Children.Clear();
-        foreach (var subFolder in folder.Folders)
+        LauncherFolderGridPanel.Children.Clear();
+
+        const int maxCols = 4;
+        const int maxRows = 3;
+        const int maxItems = maxCols * maxRows;
+
+        var visibleFolders = folder.Folders.Where(IsLauncherFolderVisible).ToList();
+        var visibleApps = folder.Apps.Where(IsLauncherAppVisible).ToList();
+
+        if (visibleFolders.Count == 0 && visibleApps.Count == 0)
         {
-            if (!IsLauncherFolderVisible(subFolder))
+            LauncherFolderGridPanel.Children.Add(CreateLauncherFolderGridHintCell(
+                L("launcher.empty_folder", "This folder is empty.")));
+            return;
+        }
+
+        var allItems = new List<(StartMenuFolderNode? Folder, StartMenuAppEntry? App)>();
+        foreach (var f in visibleFolders)
+        {
+            allItems.Add((f, null));
+        }
+        foreach (var a in visibleApps)
+        {
+            allItems.Add((null, a));
+        }
+
+        var displayCount = Math.Min(allItems.Count, maxItems);
+        for (var i = 0; i < displayCount; i++)
+        {
+            var col = i % maxCols;
+            var row = i / maxCols;
+            var (itemFolder, itemApp) = allItems[i];
+
+            Control cell;
+            if (itemFolder is not null)
+            {
+                var capturedFolder = itemFolder;
+                cell = CreateLauncherFolderGridTile(itemFolder.Name, GetLauncherFolderIconBitmap(), () => OpenLauncherFolder(capturedFolder));
+            }
+            else if (itemApp is not null)
+            {
+                var capturedApp = itemApp;
+                cell = CreateLauncherFolderGridTile(capturedApp, () => LaunchStartMenuEntry(capturedApp));
+            }
+            else
             {
                 continue;
             }
 
-            LauncherFolderTilePanel.Children.Add(CreateLauncherFolderTile(subFolder));
+            Grid.SetColumn(cell, col);
+            Grid.SetRow(cell, row);
+            LauncherFolderGridPanel.Children.Add(cell);
         }
+    }
 
-        foreach (var app in folder.Apps)
-        {
-            if (!IsLauncherAppVisible(app))
+    private Button CreateLauncherFolderGridTile(StartMenuAppEntry app, Action clickAction)
+    {
+        var iconBitmap = GetLauncherIconBitmap(app);
+        var monogram = BuildMonogram(app.DisplayName);
+
+        Control iconControl = iconBitmap is not null
+            ? new Image
             {
-                continue;
+                Source = iconBitmap,
+                Width = 32,
+                Height = 32,
+                Stretch = Stretch.Uniform
+            }
+            : new Border
+            {
+                Width = 32,
+                Height = 32,
+                CornerRadius = new CornerRadius(8),
+                Background = GetThemeBrush("AdaptiveButtonBackgroundBrush"),
+                HorizontalAlignment = HorizontalAlignment.Center,
+                VerticalAlignment = VerticalAlignment.Center,
+                Child = new TextBlock
+                {
+                    Text = monogram,
+                    FontSize = 13,
+                    FontWeight = FontWeight.Bold,
+                    HorizontalAlignment = HorizontalAlignment.Center,
+                    VerticalAlignment = VerticalAlignment.Center
+                }
+            };
+
+        var content = new StackPanel
+        {
+            Spacing = 6,
+            HorizontalAlignment = HorizontalAlignment.Stretch,
+            VerticalAlignment = VerticalAlignment.Center
+        };
+        content.Children.Add(iconControl);
+        content.Children.Add(new TextBlock
+        {
+            Text = app.DisplayName,
+            TextTrimming = TextTrimming.CharacterEllipsis,
+            MaxLines = 2,
+            TextAlignment = TextAlignment.Center,
+            FontSize = 11,
+            HorizontalAlignment = HorizontalAlignment.Stretch
+        });
+
+        var button = new Button
+        {
+            Classes = { "glass-panel" },
+            HorizontalAlignment = HorizontalAlignment.Stretch,
+            VerticalAlignment = VerticalAlignment.Stretch,
+            BorderThickness = new Thickness(0),
+            CornerRadius = new CornerRadius(12),
+            Padding = new Thickness(8, 8, 8, 6),
+            Content = content
+        };
+        button.Click += (_, _) =>
+        {
+            if (_isComponentLibraryOpen)
+            {
+                return;
             }
 
-            LauncherFolderTilePanel.Children.Add(CreateLauncherAppTile(app));
-        }
+            clickAction();
+        };
+        return button;
+    }
 
-        if (LauncherFolderTilePanel.Children.Count == 0)
+    private Button CreateLauncherFolderGridTile(string folderName, Bitmap? iconBitmap, Action clickAction)
+    {
+        var monogram = "DIR";
+
+        Control iconControl = iconBitmap is not null
+            ? new Image
+            {
+                Source = iconBitmap,
+                Width = 32,
+                Height = 32,
+                Stretch = Stretch.Uniform
+            }
+            : new Border
+            {
+                Width = 32,
+                Height = 32,
+                CornerRadius = new CornerRadius(8),
+                Background = GetThemeBrush("AdaptiveButtonBackgroundBrush"),
+                HorizontalAlignment = HorizontalAlignment.Center,
+                VerticalAlignment = VerticalAlignment.Center,
+                Child = new TextBlock
+                {
+                    Text = monogram,
+                    FontSize = 11,
+                    FontWeight = FontWeight.Bold,
+                    HorizontalAlignment = HorizontalAlignment.Center,
+                    VerticalAlignment = VerticalAlignment.Center
+                }
+            };
+
+        var content = new StackPanel
         {
-            LauncherFolderTilePanel.Children.Add(CreateLauncherHintTile(
-                L("launcher.empty_folder", "This folder is empty."),
-                string.Empty));
-        }
+            Spacing = 6,
+            HorizontalAlignment = HorizontalAlignment.Stretch,
+            VerticalAlignment = VerticalAlignment.Center
+        };
+        content.Children.Add(iconControl);
+        content.Children.Add(new TextBlock
+        {
+            Text = folderName,
+            TextTrimming = TextTrimming.CharacterEllipsis,
+            MaxLines = 2,
+            TextAlignment = TextAlignment.Center,
+            FontSize = 11,
+            HorizontalAlignment = HorizontalAlignment.Stretch
+        });
 
-        // 在图标渲染完成后，应用布局计算
-        Dispatcher.UIThread.Post(() => UpdateLauncherTileLayout(), DispatcherPriority.Background);
+        var button = new Button
+        {
+            Classes = { "glass-panel" },
+            HorizontalAlignment = HorizontalAlignment.Stretch,
+            VerticalAlignment = VerticalAlignment.Stretch,
+            BorderThickness = new Thickness(0),
+            CornerRadius = new CornerRadius(12),
+            Padding = new Thickness(8, 8, 8, 6),
+            Content = content
+        };
+        button.Click += (_, _) =>
+        {
+            if (_isComponentLibraryOpen)
+            {
+                return;
+            }
+
+            clickAction();
+        };
+        return button;
+    }
+
+    private Control CreateLauncherFolderGridHintCell(string message)
+    {
+        return CreateLauncherFolderGridHintCell(message, 0, 0);
+    }
+
+    private Control CreateLauncherFolderGridHintCell(string message, int col, int row)
+    {
+        var textBlock = new TextBlock
+        {
+            Text = message,
+            FontSize = 12,
+            FontWeight = FontWeight.SemiBold,
+            HorizontalAlignment = HorizontalAlignment.Center,
+            VerticalAlignment = VerticalAlignment.Center,
+            Opacity = 0.6
+        };
+
+        var cell = new Border
+        {
+            Classes = { "glass-panel" },
+            HorizontalAlignment = HorizontalAlignment.Stretch,
+            VerticalAlignment = VerticalAlignment.Stretch,
+            CornerRadius = new CornerRadius(12),
+            Child = textBlock
+        };
+
+        Grid.SetColumn(cell, col);
+        Grid.SetRow(cell, row);
+        return cell;
     }
 
     private static string BuildMonogram(string text)
@@ -1622,18 +1864,6 @@ public partial class MainWindow
         }
     }
 
-    private void OnLauncherFolderBackClick(object? sender, RoutedEventArgs e)
-    {
-        if (_launcherFolderStack.Count <= 1)
-        {
-            CloseLauncherFolderOverlay();
-            return;
-        }
-
-        _launcherFolderStack.Pop();
-        RenderLauncherFolderFromStack();
-    }
-
     private void OnLauncherFolderOverlayPointerPressed(object? sender, PointerPressedEventArgs e)
     {
         if (LauncherFolderPanel is null)
@@ -1654,11 +1884,6 @@ public partial class MainWindow
         e.Handled = true;
     }
 
-    private void OnLauncherFolderCloseClick(object? sender, RoutedEventArgs e)
-    {
-        CloseLauncherFolderOverlay();
-    }
-
     private void DisposeLauncherResources()
     {
         foreach (var bitmap in _launcherIconCache.Values)

LanMountainDesktop/Views/MainWindow.axaml

@@ -189,50 +189,21 @@
                                                             Classes="surface-solid-strong"
                                                             HorizontalAlignment="Center"
                                                             VerticalAlignment="Center"
-                                                            Margin="52"
-                                                            MaxWidth="760"
-                                                            MaxHeight="520"
-                                                            CornerRadius="36"
-                                                            Padding="14">
-                                                        <Border.RenderTransform>
-                                                            <TranslateTransform Y="42" />
-                                                        </Border.RenderTransform>
-                                                        <Grid RowDefinitions="Auto,*"
-                                                              RowSpacing="10">
-                                                            <Grid ColumnDefinitions="Auto,*,Auto"
-                                                                  ColumnSpacing="8">
-                                                                <Button x:Name="LauncherFolderBackButton"
-                                                                        Grid.Column="0"
-                                                                        Width="38"
-                                                                        Height="34"
-                                                                        Padding="0"
-                                                                        Click="OnLauncherFolderBackClick">
-                                                                    <fi:FluentIcon Icon="ArrowLeft"
-                                                                                   IconVariant="Regular" />
-                                                                </Button>
-                                                                <TextBlock x:Name="LauncherFolderTitleTextBlock"
-                                                                           Grid.Column="1"
-                                                                           HorizontalAlignment="Center"
-                                                                           VerticalAlignment="Center"
-                                                                           FontWeight="SemiBold" />
-                                                                <Button x:Name="LauncherFolderCloseButton"
-                                                                        Grid.Column="2"
-                                                                        Width="38"
-                                                                        Height="34"
-                                                                        Padding="0"
-                                                                        Click="OnLauncherFolderCloseClick">
-                                                                    <fi:FluentIcon Icon="Dismiss"
-                                                                                   IconVariant="Regular" />
-                                                                </Button>
-                                                            </Grid>
+                                                            Width="464"
+                                                            Height="384"
+                                                            CornerRadius="24"
+                                                            Padding="16,14,16,12">
+                                                        <Grid RowDefinitions="Auto,*">
+                                                            <TextBlock x:Name="LauncherFolderTitleTextBlock"
+                                                                       FontSize="15"
+                                                                       FontWeight="SemiBold"
+                                                                       HorizontalAlignment="Center"
+                                                                       Margin="0,0,0,10" />
 
-                                                            <ScrollViewer x:Name="LauncherFolderScrollViewer"
-                                                                          Grid.Row="1"
-                                                                          VerticalScrollBarVisibility="Auto"
-                                                                          HorizontalScrollBarVisibility="Disabled">
-                                                                <WrapPanel x:Name="LauncherFolderTilePanel"
-                                                                           Orientation="Horizontal" />
-                                                            </ScrollViewer>
+                                                            <Grid x:Name="LauncherFolderGridPanel"
+                                                                  Grid.Row="1"
+                                                                  ColumnDefinitions="*,*,*,*"
+                                                                  RowDefinitions="*,*,*" />
                                                         </Grid>
                                                     </Border>
                                                 </Grid>
@@ -262,13 +233,47 @@
                                 Background="Transparent"
                                 BorderThickness="0"
                                 Padding="4">
-                            <StackPanel x:Name="TopStatusComponentsPanel"
-                                        Orientation="Horizontal"
-                                        Spacing="6">
-                                <comp:ClockWidget x:Name="ClockWidget"
-                                                  IsVisible="False"
-                                                  Margin="0" />
-                            </StackPanel>
+                            <Grid ColumnDefinitions="*,Auto,*">
+                                <!-- 左侧状态栏组件 -->
+                                <StackPanel x:Name="TopStatusLeftPanel"
+                                            Grid.Column="0"
+                                            Orientation="Horizontal"
+                                            Spacing="6"
+                                            HorizontalAlignment="Left">
+                                    <comp:ClockWidget x:Name="ClockWidgetLeft"
+                                                      IsVisible="False"
+                                                      Margin="0" />
+                                    <comp:TextCapsuleWidget x:Name="TextCapsuleWidgetLeft"
+                                                            IsVisible="False"
+                                                            Margin="0" />
+                                </StackPanel>
+                                <!-- 中间状态栏组件 -->
+                                <StackPanel x:Name="TopStatusCenterPanel"
+                                            Grid.Column="1"
+                                            Orientation="Horizontal"
+                                            Spacing="6"
+                                            HorizontalAlignment="Center">
+                                    <comp:ClockWidget x:Name="ClockWidgetCenter"
+                                                      IsVisible="False"
+                                                      Margin="0" />
+                                    <comp:TextCapsuleWidget x:Name="TextCapsuleWidgetCenter"
+                                                            IsVisible="False"
+                                                            Margin="0" />
+                                </StackPanel>
+                                <!-- 右侧状态栏组件 -->
+                                <StackPanel x:Name="TopStatusRightPanel"
+                                            Grid.Column="2"
+                                            Orientation="Horizontal"
+                                            Spacing="6"
+                                            HorizontalAlignment="Right">
+                                    <comp:ClockWidget x:Name="ClockWidgetRight"
+                                                      IsVisible="False"
+                                                      Margin="0" />
+                                    <comp:TextCapsuleWidget x:Name="TextCapsuleWidgetRight"
+                                                            IsVisible="False"
+                                                            Margin="0" />
+                                </StackPanel>
+                            </Grid>
                         </Border>
 
                         <Border x:Name="BottomTaskbarContainer"

LanMountainDesktop/Views/MainWindow.axaml.cs

@@ -18,7 +18,6 @@ using Avalonia.Styling;
 using Avalonia.Threading;
 using Avalonia.VisualTree;
 using FluentAvalonia.Styling;
-using LanMountainDesktop.Behaviors;
 using LanMountainDesktop.ComponentSystem;
 using LanMountainDesktop.Models;
 using LanMountainDesktop.PluginSdk;
@@ -109,9 +108,6 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
     private bool _suppressWeatherLocationEvents;
     private bool _suppressSettingsPersistence;
     private bool _isComponentLibraryOpen;
-    private bool _isSlideAnimating;
-    private int _slideAnimationGuard;
-    internal bool _isFirstLaunchAfterOpen = true;
     private Border? _selectedDesktopComponentHost;
     private bool _reopenSettingsAfterComponentLibraryClose;
     private TranslateTransform? _settingsContentPanelTransform;
@@ -139,6 +135,11 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
     private string _statusBarSpacingMode = "Relaxed";
     private int _statusBarCustomSpacingPercent = 12;
     private bool _statusBarClockTransparentBackground;
+    private string _clockPosition = "Left"; // Left, Center, Right
+    private bool _showTextCapsule;
+    private string _textCapsuleContent = "**Hello** World!";
+    private string _textCapsulePosition = "Right"; // Left, Center, Right
+    private bool _textCapsuleTransparentBackground;
     private int _desktopEdgeInsetPercent = DefaultEdgeInsetPercent;
     private string _taskbarLayoutMode = TaskbarLayoutBottomFullRowMacStyle;
     private string _languageCode = "zh-CN";
@@ -242,9 +243,9 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
         TaskbarProfileButton.IsEnabled = false;
         TaskbarProfilePopup.IsOpen = false;
 
-        ClockWidget.IsVisible = true;
-        ClockWidget.SetDisplayFormat(ClockDisplayFormat.HourMinute);
-        ClockWidget.SetTransparentBackground(false);
+        ClockWidgetLeft.IsVisible = true;
+        ClockWidgetLeft.SetDisplayFormat(ClockDisplayFormat.HourMinute);
+        ClockWidgetLeft.SetTransparentBackground(false);
 
         ConfigureDesignTimeDesktopGrid();
         PopulateDesignTimeDesktopSurface();
@@ -292,7 +293,7 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
         DesktopPagesHost.ColumnDefinitions.Clear();
         DesktopPagesHost.ColumnDefinitions.Add(new ColumnDefinition(new GridLength(1, GridUnitType.Star)));
 
-        ClockWidget.ApplyCellSize(72);
+        ClockWidgetLeft.ApplyCellSize(72);
     }
 
     private void PopulateDesignTimeDesktopSurface()
@@ -485,7 +486,9 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
         RebuildDesktopGrid();
         LoadLauncherEntriesAsync();
         InitializeTimeZoneSettings();
-        ClockWidget.SetTimeZoneService(_timeZoneService);
+        ClockWidgetLeft.SetTimeZoneService(_timeZoneService);
+        ClockWidgetCenter.SetTimeZoneService(_timeZoneService);
+        ClockWidgetRight.SetTimeZoneService(_timeZoneService);
 
         _suppressSettingsPersistence = false;
         PersistSettings();
@@ -625,7 +628,9 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
 
     private void ApplyDesktopStatusBarComponentSpacing()
     {
-        ApplyStatusBarComponentSpacingForPanel(TopStatusComponentsPanel, _currentDesktopCellSize);
+        ApplyStatusBarComponentSpacingForPanel(TopStatusLeftPanel, _currentDesktopCellSize);
+        ApplyStatusBarComponentSpacingForPanel(TopStatusCenterPanel, _currentDesktopCellSize);
+        ApplyStatusBarComponentSpacingForPanel(TopStatusRightPanel, _currentDesktopCellSize);
     }
 
     private int ResolveStatusBarSpacingPercent()
@@ -701,8 +706,19 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
         ApplyUnifiedMainRectangleChrome();
         BottomTaskbarContainer.Padding = new Thickness(Math.Clamp(taskbarCellHeight * 0.16, 6, 14));
 
-        ClockWidget.Margin = new Thickness(0);
-        ClockWidget.ApplyCellSize(cellSize);
+        ClockWidgetLeft.Margin = new Thickness(0);
+        ClockWidgetLeft.ApplyCellSize(cellSize);
+        ClockWidgetCenter.Margin = new Thickness(0);
+        ClockWidgetCenter.ApplyCellSize(cellSize);
+        ClockWidgetRight.Margin = new Thickness(0);
+        ClockWidgetRight.ApplyCellSize(cellSize);
+
+        TextCapsuleWidgetLeft.Margin = new Thickness(0);
+        TextCapsuleWidgetLeft.ApplyCellSize(cellSize);
+        TextCapsuleWidgetCenter.Margin = new Thickness(0);
+        TextCapsuleWidgetCenter.ApplyCellSize(cellSize);
+        TextCapsuleWidgetRight.Margin = new Thickness(0);
+        TextCapsuleWidgetRight.ApplyCellSize(cellSize);
 
         var buttonMinWidth = Math.Clamp(taskbarCellHeight * 2.35, 100, 340);
 
@@ -741,7 +757,12 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
 
         if (_currentDesktopCellSize > 0)
         {
-            ClockWidget.ApplyCellSize(_currentDesktopCellSize);
+            ClockWidgetLeft.ApplyCellSize(_currentDesktopCellSize);
+            ClockWidgetCenter.ApplyCellSize(_currentDesktopCellSize);
+            ClockWidgetRight.ApplyCellSize(_currentDesktopCellSize);
+            TextCapsuleWidgetLeft.ApplyCellSize(_currentDesktopCellSize);
+            TextCapsuleWidgetCenter.ApplyCellSize(_currentDesktopCellSize);
+            TextCapsuleWidgetRight.ApplyCellSize(_currentDesktopCellSize);
         }
     }
 
@@ -789,60 +810,9 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
         _ = cellSize;
     }
 
-    private async void OnMinimizeClick(object? sender, RoutedEventArgs e)
+    private void OnMinimizeClick(object? sender, RoutedEventArgs e)
     {
-        if (_isSlideAnimating)
-        {
-            return;
-        }
-
-        await SlideOutAsync();
-    }
-
-    public async Task SlideInAsync()
-    {
-        if (_isSlideAnimating || DesktopHost is null)
-        {
-            return;
-        }
-
-        var guard = System.Threading.Interlocked.Increment(ref _slideAnimationGuard);
-        _isSlideAnimating = true;
-
-        try
-        {
-            await WindowSlideAnimationBehavior.SlideInAsync(this, DesktopHost);
-        }
-        finally
-        {
-            _isSlideAnimating = false;
-            System.Threading.Interlocked.Decrement(ref _slideAnimationGuard);
-        }
-    }
-
-    public async Task SlideOutAsync()
-    {
-        if (_isSlideAnimating || DesktopHost is null)
-        {
-            return;
-        }
-
-        var guard = System.Threading.Interlocked.Increment(ref _slideAnimationGuard);
-        _isSlideAnimating = true;
-
-        try
-        {
-            await WindowSlideAnimationBehavior.SlideOutAsync(this, DesktopHost, () =>
-            {
-                WindowState = WindowState.Minimized;
-                WindowSlideAnimationBehavior.ResetSlidePosition(DesktopHost!);
-            });
-        }
-        finally
-        {
-            _isSlideAnimating = false;
-            System.Threading.Interlocked.Decrement(ref _slideAnimationGuard);
-        }
+        WindowState = WindowState.Minimized;
     }
 
     private void OnWindowPropertyChanged(object? sender, AvaloniaPropertyChangedEventArgs e)

LanMountainDesktop/Views/SettingsPages/GeneralSettingsPage.axaml

@@ -14,6 +14,13 @@
                                Text="{Binding BasicHeader}"
                                Margin="0,0,0,4" />
 
+            <ui:SettingsExpander Header="启用三指滑动"
+                                 Description="使用三根手指或鼠标右键拖动自由滑动页面，在第一页向右滑动可回到 Windows 桌面">
+                <ui:SettingsExpander.Footer>
+                    <ToggleSwitch IsChecked="{Binding EnableThreeFingerSwipe}" />
+                </ui:SettingsExpander.Footer>
+            </ui:SettingsExpander>
+
             <ui:SettingsExpander Header="{Binding LanguageHeader}">
                 <ui:SettingsExpander.IconSource>
                     <fi:SymbolIconSource Symbol="Settings" />

LanMountainDesktop/Views/SettingsPages/StatusBarSettingsPage.axaml

@@ -52,6 +52,78 @@
                                       VerticalAlignment="Center" />
                     </Grid>
                 </ui:SettingsExpanderItem>
+                <ui:SettingsExpanderItem>
+                    <Grid ColumnDefinitions="Auto,*"
+                          ColumnSpacing="16">
+                        <TextBlock Text="{Binding ClockPositionLabel}"
+                                   VerticalAlignment="Center" />
+                        <ComboBox Grid.Column="1"
+                                  Width="220"
+                                  IsEnabled="{Binding ShowClock}"
+                                  ItemsSource="{Binding ClockPositions}"
+                                  SelectedItem="{Binding SelectedClockPosition}">
+                            <ComboBox.ItemTemplate>
+                                <DataTemplate x:DataType="vm:SelectionOption">
+                                    <TextBlock Text="{Binding Label}" />
+                                </DataTemplate>
+                            </ComboBox.ItemTemplate>
+                        </ComboBox>
+                    </Grid>
+                </ui:SettingsExpanderItem>
+            </ui:SettingsExpander>
+
+            <ui:SettingsExpander Header="{Binding TextCapsuleHeader}"
+                                 Description="{Binding TextCapsuleDescription}">
+                <ui:SettingsExpander.IconSource>
+                    <fi:SymbolIconSource Symbol="TextQuote" />
+                </ui:SettingsExpander.IconSource>
+                <ui:SettingsExpander.Footer>
+                    <ToggleSwitch IsChecked="{Binding ShowTextCapsule}" />
+                </ui:SettingsExpander.Footer>
+                <ui:SettingsExpanderItem>
+                    <Grid ColumnDefinitions="Auto,*"
+                          ColumnSpacing="16">
+                        <TextBlock Text="{Binding TextCapsuleContentLabel}"
+                                   VerticalAlignment="Top"
+                                   Margin="0,8,0,0" />
+                        <TextBox Grid.Column="1"
+                                 AcceptsReturn="True"
+                                 TextWrapping="Wrap"
+                                 Height="100"
+                                 IsEnabled="{Binding ShowTextCapsule}"
+                                 Text="{Binding TextCapsuleContent}"
+                                 Watermark="Enter Markdown text..." />
+                    </Grid>
+                </ui:SettingsExpanderItem>
+                <ui:SettingsExpanderItem>
+                    <Grid ColumnDefinitions="Auto,*"
+                          ColumnSpacing="16">
+                        <TextBlock Text="{Binding TextCapsulePositionLabel}"
+                                   VerticalAlignment="Center" />
+                        <ComboBox Grid.Column="1"
+                                  Width="220"
+                                  IsEnabled="{Binding ShowTextCapsule}"
+                                  ItemsSource="{Binding TextCapsulePositions}"
+                                  SelectedItem="{Binding SelectedTextCapsulePosition}">
+                            <ComboBox.ItemTemplate>
+                                <DataTemplate x:DataType="vm:SelectionOption">
+                                    <TextBlock Text="{Binding Label}" />
+                                </DataTemplate>
+                            </ComboBox.ItemTemplate>
+                        </ComboBox>
+                    </Grid>
+                </ui:SettingsExpanderItem>
+                <ui:SettingsExpanderItem>
+                    <Grid ColumnDefinitions="*,Auto"
+                          ColumnSpacing="16">
+                        <TextBlock Text="{Binding TextCapsuleTransparentBackgroundLabel}"
+                                   VerticalAlignment="Center" />
+                        <ToggleSwitch Grid.Column="1"
+                                      IsChecked="{Binding TextCapsuleTransparentBackground}"
+                                      IsEnabled="{Binding ShowTextCapsule}"
+                                      VerticalAlignment="Center" />
+                    </Grid>
+                </ui:SettingsExpanderItem>
             </ui:SettingsExpander>
 
             <Separator Classes="settings-separator" />

LanMountainDesktop/Views/StudySessionReportWindow.axaml

@@ -0,0 +1,148 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:fi="using:FluentIcons.Avalonia"
+        x:Class="LanMountainDesktop.Views.StudySessionReportWindow"
+        x:CompileBindings="False"
+        SystemDecorations="None"
+        Background="Transparent"
+        ShowInTaskbar="False"
+        Topmost="True"
+        CanResize="False"
+        Width="800"
+        Height="600"
+        TransparencyLevelHint="Transparent"
+        ExtendClientAreaToDecorationsHint="True"
+        ExtendClientAreaChromeHints="NoChrome"
+        ExtendClientAreaTitleBarHeightHint="-1"
+        WindowStartupLocation="CenterOwner">
+
+    <Border x:Name="RootBorder"
+            Background="#E8EAED"
+            CornerRadius="20"
+            Padding="0">
+        <Grid RowDefinitions="Auto,*">
+            <!-- Header -->
+            <Border Grid.Row="0"
+                    Background="#F5F5F5"
+                    CornerRadius="20,20,0,0"
+                    Padding="24,16"
+                    BorderBrush="#DDDDDD"
+                    BorderThickness="0,0,0,1">
+                <Grid ColumnDefinitions="Auto,*,Auto">
+                    <fi:SymbolIcon Grid.Column="0"
+                                   Symbol="Hourglass"
+                                   FontSize="24"
+                                   Foreground="#333333"
+                                   Margin="0,0,12,0" />
+                    <StackPanel Grid.Column="1" Spacing="4">
+                        <TextBlock x:Name="TitleTextBlock"
+                                  FontSize="18"
+                                  FontWeight="SemiBold"
+                                  Foreground="#333333" />
+                        <TextBlock x:Name="SubtitleTextBlock"
+                                  FontSize="13"
+                                  Foreground="#666666" />
+                    </StackPanel>
+                    <Button Grid.Column="2"
+                            x:Name="CloseButton"
+                            Width="32"
+                            Height="32"
+                            CornerRadius="16"
+                            Background="Transparent"
+                            BorderBrush="Transparent"
+                            BorderThickness="0"
+                            Padding="0"
+                            HorizontalAlignment="Right"
+                            VerticalAlignment="Center">
+                        <fi:SymbolIcon Symbol="Dismiss"
+                                       FontSize="16"
+                                       Foreground="#666666" />
+                    </Button>
+                </Grid>
+            </Border>
+
+            <!-- Content -->
+            <ScrollViewer Grid.Row="1"
+                         Background="#FAFAFA"
+                         Padding="24,20"
+                         VerticalScrollBarVisibility="Auto"
+                         HorizontalScrollBarVisibility="Disabled">
+                <StackPanel Spacing="20">
+                    <!-- Summary Cards -->
+                    <Grid ColumnDefinitions="*,*,*,*" ColumnSpacing="12">
+                        <Border x:Name="AvgScoreCard"
+                                Background="White"
+                                CornerRadius="12"
+                                Padding="16"
+                                BorderBrush="#E0E0E0"
+                                BorderThickness="1">
+                            <StackPanel Spacing="8">
+                                <TextBlock Text="平均分数" FontSize="12" Foreground="#888888" />
+                                <TextBlock x:Name="AvgScoreTextBlock" FontSize="24" FontWeight="Bold" Foreground="#333333" />
+                            </StackPanel>
+                        </Border>
+                        <Border Grid.Column="1"
+                                Background="White"
+                                CornerRadius="12"
+                                Padding="16"
+                                BorderBrush="#E0E0E0"
+                                BorderThickness="1">
+                            <StackPanel Spacing="8">
+                                <TextBlock Text="最高分数" FontSize="12" Foreground="#888888" />
+                                <TextBlock x:Name="MaxScoreTextBlock" FontSize="24" FontWeight="Bold" Foreground="#333333" />
+                            </StackPanel>
+                        </Border>
+                        <Border Grid.Column="2"
+                                Background="White"
+                                CornerRadius="12"
+                                Padding="16"
+                                BorderBrush="#E0E0E0"
+                                BorderThickness="1">
+                            <StackPanel Spacing="8">
+                                <TextBlock Text="最低分数" FontSize="12" Foreground="#888888" />
+                                <TextBlock x:Name="MinScoreTextBlock" FontSize="24" FontWeight="Bold" Foreground="#333333" />
+                            </StackPanel>
+                        </Border>
+                        <Border Grid.Column="3"
+                                Background="White"
+                                CornerRadius="12"
+                                Padding="16"
+                                BorderBrush="#E0E0E0"
+                                BorderThickness="1">
+                            <StackPanel Spacing="8">
+                                <TextBlock Text="打断次数" FontSize="12" Foreground="#888888" />
+                                <TextBlock x:Name="InterruptCountTextBlock" FontSize="24" FontWeight="Bold" Foreground="#333333" />
+                            </StackPanel>
+                        </Border>
+                    </Grid>
+
+                    <!-- Detail Data Table -->
+                    <Border Background="White"
+                            CornerRadius="12"
+                            Padding="16"
+                            BorderBrush="#E0E0E0"
+                            BorderThickness="1">
+                        <StackPanel Spacing="12">
+                            <TextBlock Text="详细数据" FontSize="16" FontWeight="SemiBold" Foreground="#333333" />
+                            <DataGrid x:Name="DetailDataGrid"
+                                     AutoGenerateColumns="False"
+                                     IsReadOnly="True"
+                                     GridLinesVisibility="All"
+                                     BorderThickness="1"
+                                     BorderBrush="#E0E0E0"
+                                     CornerRadius="8"
+                                     MaxHeight="400">
+                                <DataGrid.Columns>
+                                    <DataGridTextColumn Header="时间段" Width="*" Binding="{Binding TimeRange, Mode=OneWay}" />
+                                    <DataGridTextColumn Header="平均分贝" Width="Auto" Binding="{Binding AvgDb, Mode=OneWay, StringFormat={}{0:F1}}" />
+                                    <DataGridTextColumn Header="分数" Width="Auto" Binding="{Binding Score, Mode=OneWay, StringFormat={}{0:F1}}" />
+                                    <DataGridTextColumn Header="打断次数" Width="Auto" Binding="{Binding SegmentCount, Mode=OneWay}" />
+                                </DataGrid.Columns>
+                            </DataGrid>
+                        </StackPanel>
+                    </Border>
+                </StackPanel>
+            </ScrollViewer>
+        </Grid>
+    </Border>
+</Window>

LanMountainDesktop/Views/StudySessionReportWindow.axaml.cs

@@ -0,0 +1,95 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Globalization;
+using System.Linq;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using LanMountainDesktop.Models;
+
+namespace LanMountainDesktop.Views;
+
+public partial class StudySessionReportWindow : Window
+{
+    private StudySessionReport? _report;
+
+    public StudySessionReportWindow()
+    {
+        InitializeComponent();
+        CloseButton.Click += OnCloseButtonClick;
+    }
+
+    public StudySessionReportWindow(StudySessionReport report) : this()
+    {
+        LoadReport(report);
+    }
+
+    public void LoadReport(StudySessionReport report)
+    {
+        _report = report;
+        
+        // 设置标题
+        TitleTextBlock.Text = string.IsNullOrWhiteSpace(report.Label) 
+            ? "自习报告" 
+            : report.Label;
+        SubtitleTextBlock.Text = string.Format(
+            CultureInfo.CurrentCulture,
+            "{0:yyyy-MM-dd HH:mm} - {1:HH:mm} ({2})",
+            report.StartedAt.ToLocalTime(),
+            report.EndedAt.ToLocalTime(),
+            FormatDuration(report.Duration));
+
+        // 设置汇总数据
+        AvgScoreTextBlock.Text = report.Metrics.AvgScore.ToString("F1", CultureInfo.CurrentCulture);
+        MaxScoreTextBlock.Text = report.Metrics.MaxScore.ToString("F1", CultureInfo.CurrentCulture);
+        MinScoreTextBlock.Text = report.Metrics.MinScore.ToString("F1", CultureInfo.CurrentCulture);
+        InterruptCountTextBlock.Text = report.Metrics.TotalSegmentCount.ToString(CultureInfo.CurrentCulture);
+
+        // 构建详细数据表
+        BuildDetailDataTable(report);
+    }
+
+    private void BuildDetailDataTable(StudySessionReport report)
+    {
+        var items = new ObservableCollection<DetailDataRow>();
+
+        foreach (var slice in report.Slices)
+        {
+            items.Add(new DetailDataRow(
+                TimeRange: $"{slice.StartAt.ToLocalTime():HH:mm} - {slice.EndAt.ToLocalTime():HH:mm}",
+                AvgDb: slice.Display.AvgDb,
+                Score: slice.Score,
+                SegmentCount: slice.Raw.SegmentCount));
+        }
+
+        DetailDataGrid.ItemsSource = items;
+    }
+
+    private void OnCloseButtonClick(object? sender, RoutedEventArgs e)
+    {
+        Close();
+    }
+
+    private static string FormatDuration(TimeSpan duration)
+    {
+        if (duration.TotalHours >= 1)
+        {
+            return string.Format(
+                CultureInfo.CurrentCulture,
+                "{0}小时{1}分钟",
+                (int)duration.TotalHours,
+                duration.Minutes);
+        }
+
+        return string.Format(
+            CultureInfo.CurrentCulture,
+            "{0}分钟",
+            duration.Minutes);
+    }
+}
+
+public record DetailDataRow(
+    string TimeRange,
+    double AvgDb,
+    double Score,
+    int SegmentCount);

LanMountainDesktop/Views/TransparentOverlayWindow.axaml

@@ -0,0 +1,23 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        x:Class="LanMountainDesktop.Views.TransparentOverlayWindow"
+        SystemDecorations="None"
+        CanResize="False"
+        ShowInTaskbar="False"
+        ExtendClientAreaToDecorationsHint="True"
+        ExtendClientAreaChromeHints="NoChrome"
+        Background="Transparent"
+        Title="LanMountainDesktop Fused Desktop">
+    <!--
+        融合桌面（负一屏）- 在系统桌面上显示组件
+        
+        特性：
+        - 窗口置底（在桌面图标层显示）
+        - 区域级穿透（组件区域可交互，其他区域穿透）
+        - 组件可自由拖拽摆放
+        - 三指/右键左滑回到阗山桌面第一页
+    -->
+    <Canvas x:Name="ComponentCanvas">
+        <!-- 组件将动态添加到这里 -->
+    </Canvas>
+</Window>

LanMountainDesktop/Views/TransparentOverlayWindow.axaml.cs

@@ -0,0 +1,749 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.Primitives;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+using Avalonia.Media;
+using LanMountainDesktop.Models;
+using LanMountainDesktop.PluginSdk;
+using LanMountainDesktop.Services;
+using LanMountainDesktop.Services.Settings;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Views.Components;
+
+namespace LanMountainDesktop.Views;
+
+/// <summary>
+/// 透明覆盖层窗口 - 作为"负一屏"显示在 Windows 桌面上
+/// 支持在系统桌面上自由摆放组件
+/// </summary>
+public partial class TransparentOverlayWindow : Window
+{
+    private readonly IFusedDesktopLayoutService _layoutService = FusedDesktopLayoutServiceProvider.GetOrCreate();
+    
+    // 滑动状态
+    private bool _isSwipeActive;
+    private bool _isSwipeDirectionLocked;
+    private Point _swipeStartPoint;
+    private Point _swipeCurrentPoint;
+    private Point _swipeLastPoint;
+    private double _swipeVelocityX;
+    private long _swipeLastTimestamp;
+    
+    // 三指/右键拖动状态
+    private bool _isThreeFingerOrRightDragSwipeActive;
+    private readonly HashSet<int> _activePointerIds = [];
+    
+    // 组件管理
+    private readonly Dictionary<string, Border> _componentHosts = [];
+    private readonly List<Rect> _interactiveRegions = [];
+    private FusedDesktopLayoutSnapshot _layout = new();
+    private ComponentRegistry? _componentRegistry;
+    private DesktopComponentRuntimeRegistry? _componentRuntimeRegistry;
+    
+    // 基础服务
+    private readonly IWeatherInfoService _weatherDataService;
+    private readonly TimeZoneService _timeZoneService;
+    private readonly IRecommendationInfoService _recommendationInfoService = new RecommendationDataService();
+    private readonly ICalculatorDataService _calculatorDataService = new CalculatorDataService();
+    
+    // 渲染参数
+    private const double DefaultCellSize = 100;
+    private double _currentDesktopCellSize;
+    
+    // 拖拽与缩放状态
+    private bool _isDragging;
+    private bool _isResizing;
+    private string? _interactionPlacementId;
+    private Point _interactionStartPoint;
+    private double _interactionOriginalX;
+    private double _interactionOriginalY;
+    private double _interactionOriginalWidth;
+    private double _interactionOriginalHeight;
+    private Border? _interactionHost;
+    
+    // 选中状态
+    private Border? _selectedHost;
+    
+    public event EventHandler? RestoreMainWindowRequested;
+    
+    public TransparentOverlayWindow()
+    {
+        InitializeComponent();
+        var facade = HostSettingsFacadeProvider.GetOrCreate();
+        _weatherDataService = facade.Weather.GetWeatherInfoService();
+        _timeZoneService = facade.Region.GetTimeZoneService();
+        _settingsFacade = facade;
+    }
+    
+    private readonly ISettingsFacadeService _settingsFacade;
+
+    public void SaveLayoutAndHide()
+    {
+        SaveLayout();
+        Hide();
+        
+        // Remove all components so that next time we open it builds fresh from snapshot
+        if (Content is Canvas canvas)
+        {
+            canvas.Children.Clear();
+        }
+        _componentHosts.Clear();
+    }
+    
+    protected override void OnOpened(EventArgs e)
+    {
+        base.OnOpened(e);
+        
+        if (Screens.Primary is { } primaryScreen)
+        {
+            // 避开系统任务栏
+            var workArea = primaryScreen.WorkingArea;
+            var scaling = primaryScreen.Scaling;
+            Position = new PixelPoint(workArea.X, workArea.Y);
+            Width = workArea.Width / scaling;
+            Height = workArea.Height / scaling;
+            
+            // 基于设置计算单元格尺寸
+            var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);
+            var shortCells = Math.Clamp(appSnapshot.GridShortSideCells > 0 ? appSnapshot.GridShortSideCells : 12, 6, 96);
+            _currentDesktopCellSize = Height / shortCells;
+        }
+        else
+        {
+            _currentDesktopCellSize = DefaultCellSize;
+        }
+
+        if (Content is Canvas canvas)
+        {
+            // 保证透明区域也能被抓取事件
+            canvas.Background = new SolidColorBrush(Color.FromArgb(1, 0, 0, 0));
+        }
+        
+        // 确保注册表已初始化
+        EnsureRegistries();
+        
+        // 加载布局并渲染
+        _layout = _layoutService.Load();
+        RenderAllComponents();
+        
+        AppLogger.Info("TransparentOverlay", $"Opened with {_layout.ComponentPlacements.Count} components.");
+    }
+    
+    /// <summary>
+    /// 确保组件运行时注册表已初始化
+    /// </summary>
+    private void EnsureRegistries()
+    {
+        if (_componentRuntimeRegistry is not null) return;
+        
+        var pluginRuntimeService = (Application.Current as App)?.PluginRuntimeService;
+        _componentRegistry = DesktopComponentRegistryFactory.Create(pluginRuntimeService);
+        _componentRuntimeRegistry = DesktopComponentRegistryFactory.CreateRuntimeRegistry(
+            _componentRegistry,
+            pluginRuntimeService,
+            _settingsFacade);
+    }
+    
+    /// <summary>
+    /// 渲染所有布局中的组件
+    /// </summary>
+    private void RenderAllComponents()
+    {
+        if (Content is not Canvas canvas) return;
+        
+        canvas.Children.Clear();
+        _componentHosts.Clear();
+        _selectedHost = null;
+        
+        foreach (var placement in _layout.ComponentPlacements)
+        {
+            try
+            {
+                RenderComponentInternal(placement);
+            }
+            catch (Exception ex)
+            {
+                AppLogger.Warn("TransparentOverlay", $"Failed to render component {placement.ComponentId}", ex);
+            }
+        }
+        
+        UpdateInteractiveRegions();
+    }
+    
+    protected override void OnClosed(EventArgs e)
+    {
+        SaveLayout();
+        base.OnClosed(e);
+    }
+    
+    /// <summary>
+    /// 更新可交互区域
+    /// </summary>
+    private void UpdateInteractiveRegions()
+    {
+        // 编辑模式下不再需要底层穿透功能计算，这里留空或移除
+    }
+    
+    /// <summary>
+    /// 保存布局
+    /// </summary>
+    private void SaveLayout()
+    {
+        _layoutService.Save(_layout);
+    }
+    
+    /// <summary>
+    /// 添加组件（供外部调用）
+    /// </summary>
+    public void AddComponent(string componentId, double x, double y, double? width = null, double? height = null)
+    {
+        EnsureRegistries();
+        
+        if (_componentRegistry == null || !_componentRegistry.TryGetDefinition(componentId, out var definition))
+        {
+            AppLogger.Warn("TransparentOverlay", $"Cannot add unknown component: {componentId}");
+            return;
+        }
+
+        var finalWidth = width ?? (definition.MinWidthCells * _currentDesktopCellSize);
+        var finalHeight = height ?? (definition.MinHeightCells * _currentDesktopCellSize);
+        
+        // 对齐网格
+        x = Math.Round(x / _currentDesktopCellSize) * _currentDesktopCellSize;
+        y = Math.Round(y / _currentDesktopCellSize) * _currentDesktopCellSize;
+        finalWidth = Math.Round(finalWidth / _currentDesktopCellSize) * _currentDesktopCellSize;
+        finalHeight = Math.Round(finalHeight / _currentDesktopCellSize) * _currentDesktopCellSize;
+        
+        var placementId = Guid.NewGuid().ToString("N");
+        var placement = new FusedDesktopComponentPlacementSnapshot
+        {
+            PlacementId = placementId,
+            ComponentId = componentId,
+            X = x,
+            Y = y,
+            Width = finalWidth,
+            Height = finalHeight,
+            ZIndex = _layout.ComponentPlacements.Count
+        };
+        
+        _layout.ComponentPlacements.Add(placement);
+        
+        // 立即渲染
+        try
+        {
+            RenderComponentInternal(placement);
+            UpdateInteractiveRegions();
+            SaveLayout();
+            AppLogger.Info("TransparentOverlay", $"Added component: {componentId} at ({x}, {y}) size ({finalWidth}x{finalHeight})");
+        }
+        catch (Exception ex)
+        {
+            AppLogger.Warn("TransparentOverlay", $"Failed to add component {componentId}", ex);
+            _layout.ComponentPlacements.Remove(placement);
+        }
+    }
+    
+    /// <summary>
+    /// 内部渲染单个组件
+    /// </summary>
+    private void RenderComponentInternal(FusedDesktopComponentPlacementSnapshot placement)
+    {
+        if (_componentRuntimeRegistry is null || !_componentRuntimeRegistry.TryGetDescriptor(placement.ComponentId, out var descriptor))
+        {
+            AppLogger.Warn("TransparentOverlay", $"Unknown component: {placement.ComponentId}");
+            return;
+        }
+        
+        var control = descriptor.CreateControl(
+            _currentDesktopCellSize,
+            _timeZoneService,
+            _weatherDataService,
+            _recommendationInfoService,
+            _calculatorDataService,
+            _settingsFacade,
+            placement.PlacementId);
+            
+        RenderComponent(placement.PlacementId, control, placement.X, placement.Y, placement.Width, placement.Height);
+    }
+    
+    /// <summary>
+    /// 移除组件
+    /// </summary>
+    public void RemoveComponent(string placementId)
+    {
+        if (_componentHosts.TryGetValue(placementId, out var host))
+        {
+            if (Content is Canvas canvas)
+            {
+                canvas.Children.Remove(host);
+            }
+            _componentHosts.Remove(placementId);
+        }
+        
+        _layout.ComponentPlacements.RemoveAll(p => p.PlacementId == placementId);
+        UpdateInteractiveRegions();
+        SaveLayout();
+    }
+    
+    /// <summary>
+    /// 渲染组件（从外部传入控件）
+    /// </summary>
+    public void RenderComponent(string placementId, Control component, double x, double y, double width, double height)
+    {
+        var grid = new Grid();
+        grid.Children.Add(component);
+        
+        var resizeHandle = new Border
+        {
+            Width = 24,
+            Height = 24,
+            Background = new Avalonia.Media.SolidColorBrush(Avalonia.Media.Color.Parse("#3B82F6")),
+            CornerRadius = new Avalonia.CornerRadius(12),
+            HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Right,
+            VerticalAlignment = Avalonia.Layout.VerticalAlignment.Bottom,
+            Margin = new Avalonia.Thickness(0, 0, -12, -12),
+            Cursor = new Avalonia.Input.Cursor(Avalonia.Input.StandardCursorType.BottomRightCorner),
+            Tag = "desktop-component-resize-handle",
+            IsVisible = false
+        };
+        grid.Children.Add(resizeHandle);
+        
+        var host = new Border
+        {
+            Tag = placementId,
+            Width = width,
+            Height = height,
+            Background = Avalonia.Media.Brushes.Transparent,
+            CornerRadius = new Avalonia.CornerRadius(12),
+            ClipToBounds = false, // 允许把手溢出
+            BorderBrush = Avalonia.Media.Brushes.Transparent,
+            BorderThickness = new Avalonia.Thickness(3),
+            Child = grid,
+            Classes = { "desktop-component-host" }
+        };
+        
+        Canvas.SetLeft(host, x);
+        Canvas.SetTop(host, y);
+        
+        host.PointerPressed += OnComponentPointerPressed;
+        host.PointerMoved += OnInteractionPointerMoved;
+        host.PointerReleased += OnInteractionPointerReleased;
+        
+        // 右键上下文菜单（删除组件）
+        host.ContextRequested += OnComponentContextRequested;
+        
+        if (Content is Canvas canvas)
+        {
+            canvas.Children.Add(host);
+        }
+        
+        _componentHosts[placementId] = host;
+        UpdateInteractiveRegions();
+    }
+    
+    // 组件右键上下文菜单（删除）
+    private void OnComponentContextRequested(object? sender, ContextRequestedEventArgs e)
+    {
+        if (sender is not Border host || host.Tag is not string placementId) return;
+        
+        // 构建上下文菜单
+        var deleteItem = new MenuItem
+        {
+            Header = "移除组件",
+            Icon = new Avalonia.Controls.TextBlock { Text = "🗑" }
+        };
+        deleteItem.Click += (_, _) =>
+        {
+            RemoveComponent(placementId);
+            AppLogger.Info("TransparentOverlay", $"Component removed via context menu: {placementId}");
+        };
+        
+        var menu = new ContextMenu
+        {
+            Items = { deleteItem }
+        };
+        
+        // 显示在当前控件上
+        menu.Open(host);
+        e.Handled = true;
+    }
+    
+    // 取消选中
+    private void OnCanvasPointerPressed(object? sender, PointerPressedEventArgs e)
+    {
+        DeselectComponent();
+    }
+    
+    // 选中组件
+    private void SelectComponent(Border host)
+    {
+        if (_selectedHost == host) return;
+        DeselectComponent();
+        
+        _selectedHost = host;
+        
+        // 渲染选中边框和把手
+        host.BorderBrush = new Avalonia.Media.SolidColorBrush(Avalonia.Media.Color.Parse("#3B82F6"));
+        host.Classes.Add("desktop-component-host-selected");
+        
+        if (host.Child is Grid grid)
+        {
+            foreach (var child in grid.Children)
+            {
+                if (child is Control c && c.Tag is string tg && tg == "desktop-component-resize-handle")
+                {
+                    c.IsVisible = true;
+                    break;
+                }
+            }
+        }
+    }
+    
+    private void DeselectComponent()
+    {
+        if (_selectedHost != null)
+        {
+            _selectedHost.BorderBrush = Avalonia.Media.Brushes.Transparent;
+            _selectedHost.Classes.Remove("desktop-component-host-selected");
+            
+            if (_selectedHost.Child is Grid grid)
+            {
+                foreach (var child in grid.Children)
+                {
+                    if (child is Control c && c.Tag is string tg && tg == "desktop-component-resize-handle")
+                    {
+                        c.IsVisible = false;
+                        break;
+                    }
+                }
+            }
+        }
+        _selectedHost = null;
+    }
+    
+    // 组件拖拽与缩放处理
+    private void OnComponentPointerPressed(object? sender, PointerPressedEventArgs e)
+    {
+        if (sender is not Border host || host.Tag is not string placementId) return;
+        
+        var point = e.GetCurrentPoint(this);
+        if (!point.Properties.IsLeftButtonPressed) return;
+        
+        SelectComponent(host);
+        
+        _interactionPlacementId = placementId;
+        _interactionHost = host;
+        _interactionStartPoint = e.GetPosition(this);
+        
+        // 这里必须用未吸附的原始屏幕位置计算 delta
+        _interactionOriginalX = Canvas.GetLeft(host);
+        _interactionOriginalY = Canvas.GetTop(host);
+        _interactionOriginalWidth = host.Width;
+        _interactionOriginalHeight = host.Height;
+        
+        if (e.Source is Control sourceControl && sourceControl.Tag is string tag && tag == "desktop-component-resize-handle")
+        {
+            _isResizing = true;
+            _isDragging = false;
+        }
+        else
+        {
+            _isDragging = true;
+            _isResizing = false;
+        }
+        
+        e.Pointer.Capture(host);
+        e.Handled = true;
+    }
+    
+    private void OnInteractionPointerMoved(object? sender, PointerEventArgs e)
+    {
+        if ((!_isDragging && !_isResizing) || _interactionHost is null) return;
+        
+        var currentPoint = e.GetPosition(this);
+        var deltaX = currentPoint.X - _interactionStartPoint.X;
+        var deltaY = currentPoint.Y - _interactionStartPoint.Y;
+        
+        if (_isDragging)
+        {
+            var rawX = _interactionOriginalX + deltaX;
+            var rawY = _interactionOriginalY + deltaY;
+            
+            var snapX = Math.Round(rawX / _currentDesktopCellSize) * _currentDesktopCellSize;
+            var snapY = Math.Round(rawY / _currentDesktopCellSize) * _currentDesktopCellSize;
+            
+            Canvas.SetLeft(_interactionHost, snapX);
+            Canvas.SetTop(_interactionHost, snapY);
+        }
+        else if (_isResizing)
+        {
+            var rawWidth = _interactionOriginalWidth + deltaX;
+            var rawHeight = _interactionOriginalHeight + deltaY;
+            
+            var snapWidth = Math.Round(rawWidth / _currentDesktopCellSize) * _currentDesktopCellSize;
+            var snapHeight = Math.Round(rawHeight / _currentDesktopCellSize) * _currentDesktopCellSize;
+            
+            // 防溢出与极小值保护
+            snapWidth = Math.Max(_currentDesktopCellSize, snapWidth);
+            snapHeight = Math.Max(_currentDesktopCellSize, snapHeight);
+            
+            _interactionHost.Width = snapWidth;
+            _interactionHost.Height = snapHeight;
+        }
+        
+        e.Handled = true;
+    }
+    
+    private void OnInteractionPointerReleased(object? sender, PointerReleasedEventArgs e)
+    {
+        if ((!_isDragging && !_isResizing) || _interactionHost is null || _interactionPlacementId is null)
+        {
+            _isDragging = false;
+            _isResizing = false;
+            return;
+        }
+        
+        // 更新布局中的位置与尺寸
+        var placement = _layout.ComponentPlacements.Find(p => p.PlacementId == _interactionPlacementId);
+        if (placement is not null)
+        {
+            placement.X = Canvas.GetLeft(_interactionHost);
+            placement.Y = Canvas.GetTop(_interactionHost);
+            placement.Width = _interactionHost.Width;
+            placement.Height = _interactionHost.Height;
+        }
+        
+        UpdateInteractiveRegions();
+        SaveLayout();
+        
+        _isDragging = false;
+        _isResizing = false;
+        _interactionPlacementId = null;
+        _interactionHost = null;
+        
+        e.Pointer.Capture(null);
+        e.Handled = true;
+    }
+    
+    // 三指滑动处理
+    protected override void OnPointerPressed(PointerPressedEventArgs e)
+    {
+        var appSnapshot = _settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(SettingsScope.App);
+        if (!appSnapshot.EnableThreeFingerSwipe)
+        {
+            base.OnPointerPressed(e);
+            return;
+        }
+        
+        if (!TryGetPointerPosition(e, out var pointerPos))
+        {
+            base.OnPointerPressed(e);
+            return;
+        }
+        
+        var currentPoint = e.GetCurrentPoint(this);
+        var pointerId = e.Pointer?.Id ?? 0;
+        var isRightButtonPressed = currentPoint.Properties.IsRightButtonPressed;
+        var isLeftButtonPressed = currentPoint.Properties.IsLeftButtonPressed;
+        
+        if (isLeftButtonPressed || isRightButtonPressed)
+        {
+            _activePointerIds.Add(pointerId);
+        }
+        
+        var isThreeFinger = _activePointerIds.Count >= 3;
+        var isRightDrag = isRightButtonPressed;
+        
+        if (isThreeFinger || isRightDrag)
+        {
+            _isSwipeActive = true;
+            _isThreeFingerOrRightDragSwipeActive = true;
+            _isSwipeDirectionLocked = false;
+            _swipeStartPoint = pointerPos;
+            _swipeCurrentPoint = pointerPos;
+            _swipeLastPoint = pointerPos;
+            _swipeVelocityX = 0;
+            _swipeLastTimestamp = Stopwatch.GetTimestamp();
+            e.Handled = true;
+        }
+        else
+        {
+            base.OnPointerPressed(e);
+        }
+    }
+    
+    protected override void OnPointerMoved(PointerEventArgs e)
+    {
+        if (!_isSwipeActive)
+        {
+            base.OnPointerMoved(e);
+            return;
+        }
+        
+        if (!TryGetPointerPosition(e, out var pointerPos))
+        {
+            base.OnPointerMoved(e);
+            return;
+        }
+        
+        _swipeCurrentPoint = pointerPos;
+        UpdateSwipeVelocity(pointerPos);
+        
+        var deltaX = _swipeCurrentPoint.X - _swipeStartPoint.X;
+        var deltaY = _swipeCurrentPoint.Y - _swipeStartPoint.Y;
+        
+        if (!_isSwipeDirectionLocked)
+        {
+            const double activationThreshold = 14;
+            const double horizontalBias = 1.15;
+            var absDeltaX = Math.Abs(deltaX);
+            var absDeltaY = Math.Abs(deltaY);
+            
+            if (absDeltaY >= activationThreshold && absDeltaY > absDeltaX * horizontalBias)
+            {
+                CancelSwipeInteraction(e.Pointer);
+                base.OnPointerMoved(e);
+                return;
+            }
+            
+            if (absDeltaX < activationThreshold || absDeltaX <= absDeltaY * horizontalBias)
+            {
+                base.OnPointerMoved(e);
+                return;
+            }
+            
+            _isSwipeDirectionLocked = true;
+            if (e.Pointer?.Captured != this)
+            {
+                e.Pointer?.Capture(this);
+            }
+        }
+        
+        e.Handled = true;
+    }
+    
+    protected override void OnPointerReleased(PointerReleasedEventArgs e)
+    {
+        var pointerId = e.Pointer?.Id ?? 0;
+        _activePointerIds.Remove(pointerId);
+        
+        if (_isSwipeActive)
+        {
+            if (EndSwipeInteraction(e.Pointer))
+            {
+                e.Handled = true;
+                return;
+            }
+        }
+        
+        base.OnPointerReleased(e);
+    }
+    
+    protected override void OnPointerCaptureLost(PointerCaptureLostEventArgs e)
+    {
+        var pointerId = e.Pointer?.Id ?? 0;
+        _activePointerIds.Remove(pointerId);
+        
+        if (_isSwipeActive)
+        {
+            EndSwipeInteraction(e.Pointer);
+        }
+        
+        base.OnPointerCaptureLost(e);
+    }
+    
+    private bool TryGetPointerPosition(PointerEventArgs e, out Point point)
+    {
+        try
+        {
+            point = e.GetPosition(this);
+            return true;
+        }
+        catch
+        {
+            point = default;
+            return false;
+        }
+    }
+    
+    private void UpdateSwipeVelocity(Point currentPoint)
+    {
+        var now = Stopwatch.GetTimestamp();
+        var elapsed = Stopwatch.GetElapsedTime(_swipeLastTimestamp, now).TotalSeconds;
+        
+        if (elapsed > 0)
+        {
+            var dx = currentPoint.X - _swipeLastPoint.X;
+            _swipeVelocityX = dx / elapsed;
+        }
+        
+        _swipeLastPoint = currentPoint;
+        _swipeLastTimestamp = now;
+    }
+    
+    private void CancelSwipeInteraction(IPointer? pointer)
+    {
+        if (!_isSwipeActive) return;
+        
+        if (pointer?.Captured == this)
+        {
+            pointer?.Capture(null);
+        }
+        
+        _isSwipeActive = false;
+        _isSwipeDirectionLocked = false;
+        _isThreeFingerOrRightDragSwipeActive = false;
+        _activePointerIds.Clear();
+        _swipeVelocityX = 0;
+        _swipeLastTimestamp = 0;
+    }
+    
+    private bool EndSwipeInteraction(IPointer? pointer)
+    {
+        if (!_isSwipeActive) return false;
+        
+        var wasDirectionLocked = _isSwipeDirectionLocked;
+        var wasThreeFingerOrRightDrag = _isThreeFingerOrRightDragSwipeActive;
+        
+        _isSwipeActive = false;
+        _isSwipeDirectionLocked = false;
+        _isThreeFingerOrRightDragSwipeActive = false;
+        _activePointerIds.Clear();
+        
+        if (pointer?.Captured == this)
+        {
+            pointer?.Capture(null);
+        }
+        
+        _swipeLastTimestamp = 0;
+        
+        if (!wasDirectionLocked)
+        {
+            _swipeVelocityX = 0;
+            return false;
+        }
+        
+        var deltaX = _swipeCurrentPoint.X - _swipeStartPoint.X;
+        var deltaY = _swipeCurrentPoint.Y - _swipeStartPoint.Y;
+        var absDeltaX = Math.Abs(deltaX);
+        var distanceThreshold = Math.Max(48, this.Bounds.Width * 0.14);
+        var velocityThreshold = Math.Max(860, this.Bounds.Width * 1.08);
+        var hasDistanceIntent = absDeltaX >= distanceThreshold && absDeltaX > Math.Abs(deltaY) * 1.05;
+        var hasVelocityIntent = Math.Abs(_swipeVelocityX) >= velocityThreshold;
+        
+        // 向左滑动回到第一页
+        if (wasThreeFingerOrRightDrag && deltaX < 0 && (hasDistanceIntent || hasVelocityIntent))
+        {
+            RestoreMainWindowRequested?.Invoke(this, EventArgs.Empty);
+            _swipeVelocityX = 0;
+            return true;
+        }
+        
+        _swipeVelocityX = 0;
+        return hasDistanceIntent || hasVelocityIntent;
+    }
+}