fead.做了状态栏文字组件，支持了位置放置。

LanMountainDesktop/App.axaml.cs

@@ -149,6 +149,11 @@ public partial class App : Application
         LinuxDesktopEntryInstaller.EnsureInstalled();
         DesktopBootstrap.InitializeApplication(this, InitializeDesktopShell);
 
+        if (!Design.IsDesignMode && OperatingSystem.IsWindows())
+        {
+            FusedDesktopManagerServiceFactory.GetOrCreate().Initialize();
+        }
+
         base.OnFrameworkInitializationCompleted();
     }
 
@@ -226,6 +231,9 @@ public partial class App : Application
             AppLogger.Warn("FusedDesktop", "Fused desktop is only supported on Windows.");
             return;
         }
+
+        // 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();
@@ -248,6 +256,19 @@ public partial class App : Application
                     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();
             }

LanMountainDesktop/Localization/en-US.json

@@ -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

@@ -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

@@ -112,6 +112,16 @@ 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;

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/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/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/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/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/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

@@ -1,15 +1,17 @@
 <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"
-             xmlns:local="using:LanMountainDesktop.Views"
-             x:Class="LanMountainDesktop.Views.FusedDesktopComponentLibraryControl">
+             x:Class="LanMountainDesktop.Views.FusedDesktopComponentLibraryControl"
+             x:DataType="vm:ComponentLibraryWindowViewModel">
     
-    <Grid ColumnDefinitions="220,*">
+    <Grid ColumnDefinitions="240,*"
+          ColumnSpacing="12"
+          Margin="0">
         <!-- 分类列表 (左侧) -->
-        <Border Grid.Column="0"
-                BorderBrush="{DynamicResource AdaptiveBorderBrush}"
-                BorderThickness="0,0,1,0"
-                Padding="12,0,12,12">
+        <Border Classes="surface-translucent-panel"
+                CornerRadius="{DynamicResource DesignCornerRadiusLg}"
+                Padding="10">
             <Grid RowDefinitions="Auto,*">
                 <TextBox x:Name="SearchBox"
                          Watermark="搜索组件..."
@@ -27,87 +29,132 @@
                          Grid.Row="1"
                          Background="Transparent"
                          BorderThickness="0"
-                         SelectionChanged="OnCategorySelectionChanged">
-                    <ListBox.Styles>
-                        <Style Selector="ListBoxItem">
-                            <Setter Property="CornerRadius" Value="14" />
-                            <Setter Property="Margin" Value="0,2" />
-                            <Setter Property="Padding" Value="12,10" />
-                        </Style>
-                    </ListBox.Styles>
+                         SelectionChanged="OnCategorySelectionChanged"
+                         ItemsSource="{Binding Categories}">
                     <ListBox.ItemTemplate>
-                        <DataTemplate x:DataType="local:LibraryCategoryItem">
-                            <StackPanel Orientation="Horizontal" Spacing="12">
-                                <fi:SymbolIcon Symbol="{Binding Icon}" FontSize="18" />
-                                <TextBlock Text="{Binding DisplayName}" VerticalAlignment="Center" />
-                            </StackPanel>
+                        <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) -->
-        <ScrollViewer Grid.Column="1" Padding="20">
-            <ItemsControl x:Name="ComponentItemsControl">
-                <ItemsControl.ItemsPanel>
-                    <ItemsPanelTemplate>
-                        <WrapPanel Orientation="Horizontal" />
-                    </ItemsPanelTemplate>
-                </ItemsControl.ItemsPanel>
-                <ItemsControl.ItemTemplate>
-                    <DataTemplate x:DataType="local:LibraryComponentItem">
-                        <Button Classes="unstyled-card"
-                                Width="260"
-                                Margin="0,0,16,16"
-                                Padding="0"
-                                Background="Transparent"
-                                BorderThickness="0"
-                                Click="OnAddComponentClick"
-                                Tag="{Binding Id}">
-                            <Border Classes="card"
-                                    Background="{DynamicResource AdaptiveSurfaceLowBrush}"
-                                    BorderBrush="{DynamicResource AdaptiveBorderBrush}"
-                                    BorderThickness="1"
-                                    CornerRadius="24"
-                                    ClipToBounds="True">
-                                <Grid RowDefinitions="Auto,Auto">
-                                    <!-- 预览区域 (动态填充预览) -->
-                                    <Border x:Name="PreviewHost"
-                                            Height="150"
-                                            Background="{DynamicResource AdaptiveSurfaceNeutralBrush}"
-                                            Margin="8"
-                                            CornerRadius="16"
-                                            ClipToBounds="True">
-                                        <Panel>
-                                            <!-- 这里将显示组件的缩放预览 -->
-                                            <ContentPresenter Content="{Binding PreviewContent}" />
-                                            
-                                            <!-- 空状态或加载中图标 -->
-                                            <fi:SymbolIcon Symbol="Cube" 
-                                                           FontSize="32" 
-                                                           Opacity="0.1" 
-                                                           IsVisible="{Binding !HasPreview}" />
-                                        </Panel>
+        <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>
-                                    
-                                    <!-- 文字说明 -->
-                                    <StackPanel Grid.Row="1" Margin="16,8,16,16" Spacing="4">
-                                        <TextBlock Text="{Binding DisplayName}"
-                                                   FontWeight="SemiBold"
-                                                   FontSize="15" />
-                                        <TextBlock Text="{Binding Description}"
-                                                   Opacity="0.6"
-                                                   FontSize="12"
-                                                   TextWrapping="Wrap"
-                                                   MaxLines="2" />
-                                    </StackPanel>
+
+                                    <!-- 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>
-                        </Button>
-                    </DataTemplate>
-                </ItemsControl.ItemTemplate>
-            </ItemsControl>
-        </ScrollViewer>
+                        </DataTemplate>
+                    </ItemsControl.ItemTemplate>
+                </ItemsControl>
+            </ScrollViewer>
+        </Border>
     </Grid>
 </UserControl>

LanMountainDesktop/Views/FusedDesktopComponentLibraryControl.axaml.cs

@@ -1,18 +1,16 @@
 using System;
 using System.Collections.Generic;
-using System.Collections.ObjectModel;
 using System.Linq;
 using Avalonia;
 using Avalonia.Controls;
-using Avalonia.Input;
 using Avalonia.Interactivity;
-using Avalonia.Layout;
-using Avalonia.Media;
+using FluentIcons.Common;
 using LanMountainDesktop.ComponentSystem;
 using LanMountainDesktop.Services;
 using LanMountainDesktop.Services.Settings;
+using LanMountainDesktop.ViewModels;
 using LanMountainDesktop.Views.Components;
-using LanMountainDesktop.Models;
+using Avalonia.Controls.ApplicationLifetimes;
 
 namespace LanMountainDesktop.Views;
 
@@ -20,10 +18,9 @@ public partial class FusedDesktopComponentLibraryControl : UserControl
 {
     public event EventHandler<string>? AddComponentRequested;
 
-    private readonly ObservableCollection<LibraryCategoryItem> _categories = new();
-    private readonly ObservableCollection<LibraryComponentItem> _components = new();
+    private readonly ComponentLibraryWindowViewModel _viewModel = new();
     private List<DesktopComponentDefinition> _allDefinitions = new();
-    
+
     private ComponentRegistry? _componentRegistry;
     private DesktopComponentRuntimeRegistry? _componentRuntimeRegistry;
     private readonly ISettingsFacadeService _settingsFacade = HostSettingsFacadeProvider.GetOrCreate();
@@ -35,18 +32,17 @@ public partial class FusedDesktopComponentLibraryControl : UserControl
     public FusedDesktopComponentLibraryControl()
     {
         InitializeComponent();
+        DataContext = _viewModel;
+
         _weatherDataService = _settingsFacade.Weather.GetWeatherInfoService();
         _timeZoneService = _settingsFacade.Region.GetTimeZoneService();
-        
-        CategoryListBox.ItemsSource = _categories;
-        ComponentItemsControl.ItemsSource = _components;
-        
+
         LoadRegistry();
         LoadCategories();
         SearchBox.KeyUp += (s, e) => FilterComponents();
-        
+
         // 默认选择第一个分类
-        if (_categories.Count > 0)
+        if (_viewModel.Categories.Count > 0)
         {
             CategoryListBox.SelectedIndex = 0;
         }
@@ -60,7 +56,7 @@ public partial class FusedDesktopComponentLibraryControl : UserControl
             _componentRegistry,
             pluginRuntimeService,
             _settingsFacade);
-        
+
         _allDefinitions = _componentRegistry.GetAll()
             .Where(d => d.AllowDesktopPlacement)
             .ToList();
@@ -68,18 +64,27 @@ public partial class FusedDesktopComponentLibraryControl : UserControl
 
     private void LoadCategories()
     {
-        _categories.Clear();
-        _categories.Add(new LibraryCategoryItem("all", "全部组件", "Apps"));
-        
-        var categoryMap = new Dictionary<string, (string Display, string Icon)>
+        _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", "Clock") },
-            { "date", ("日历", "Calendar") },
-            { "weather", ("天气", "WeatherCloudy") },
-            { "info", ("资讯", "News") },
-            { "calculator", ("工具", "Calculator") },
-            { "study", ("学习", "Book") },
-            { "file", ("文件", "Document") }
+            { "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
@@ -91,11 +96,62 @@ public partial class FusedDesktopComponentLibraryControl : UserControl
         {
             if (categoryMap.TryGetValue(cat.ToLower(), out var info))
             {
-                _categories.Add(new LibraryCategoryItem(cat, info.Display, info.Icon));
+                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));
             }
-            else
+        }
+    }
+
+    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)
             {
-                _categories.Add(new LibraryCategoryItem(cat, cat, "Cube"));
+                if (component.PreviewKey.Equals(entry.Key))
+                {
+                    component.UpdatePreviewImageEntry(entry);
+                }
             }
         }
     }
@@ -107,7 +163,7 @@ public partial class FusedDesktopComponentLibraryControl : UserControl
 
     private void FilterComponents()
     {
-        var selectedCategory = (CategoryListBox.SelectedItem as LibraryCategoryItem)?.Id;
+        var selectedCategory = (CategoryListBox.SelectedItem as ComponentLibraryCategoryViewModel)?.Id;
         var searchText = SearchBox.Text?.ToLower() ?? "";
 
         var filtered = _allDefinitions.Where(d =>
@@ -117,57 +173,10 @@ public partial class FusedDesktopComponentLibraryControl : UserControl
             return matchesCategory && matchesSearch;
         });
 
-        _components.Clear();
+        _viewModel.Components.Clear();
         foreach (var def in filtered)
         {
-            _components.Add(new LibraryComponentItem
-            {
-                Id = def.Id,
-                DisplayName = def.DisplayName,
-                Description = GetDescription(def.Id),
-                PreviewContent = CreatePreview(def.Id)
-            });
-        }
-    }
-
-    private string GetDescription(string id)
-    {
-        // 简单映射描述信息
-        return id.Contains("clock") ? "实时显示当前时间与日期。" :
-               id.Contains("weather") ? "为您提供精准的天气预报。" :
-               "多功能桌面组件，提升您的操作效率。";
-    }
-
-    private Control? CreatePreview(string id)
-    {
-        if (_componentRuntimeRegistry == null || !_componentRuntimeRegistry.TryGetDescriptor(id, out var descriptor))
-        {
-            return null;
-        }
-
-        try
-        {
-            var control = descriptor.CreateControl(
-                100, // Previews assume 100px base
-                _timeZoneService,
-                _weatherDataService,
-                _recommendationInfoService,
-                _calculatorDataService,
-                _settingsFacade,
-                "preview_" + id);
-
-            control.IsHitTestVisible = false;
-            
-            return new Viewbox
-            {
-                Child = control,
-                Stretch = Stretch.Uniform,
-                Margin = new Thickness(12)
-            };
-        }
-        catch (Exception ex)
-        {
-            return new TextBlock { Text = "无法预览", VerticalAlignment = VerticalAlignment.Center, HorizontalAlignment = HorizontalAlignment.Center };
+            _viewModel.Components.Add(CreateComponentItem(def));
         }
     }
 
@@ -179,15 +188,3 @@ public partial class FusedDesktopComponentLibraryControl : UserControl
         }
     }
 }
-
-public record LibraryCategoryItem(string Id, string DisplayName, string Icon);
-
-public class LibraryComponentItem
-{
-    public string Id { get; set; } = "";
-    public string DisplayName { get; set; } = "";
-    public string Description { get; set; } = "";
-    public Control? PreviewContent { get; set; }
-    public bool HasPreview => PreviewContent != null;
-}
-

LanMountainDesktop/Views/FusedDesktopComponentLibraryWindow.axaml.cs

@@ -1,9 +1,11 @@
 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;
 
@@ -26,6 +28,9 @@ public partial class FusedDesktopComponentLibraryWindow : Window
         InitializeComponent();
         
         LibraryControl.AddComponentRequested += OnAddComponentRequested;
+        
+        var mainWindow = (Application.Current?.ApplicationLifetime as IClassicDesktopStyleApplicationLifetime)?.MainWindow as MainWindow;
+        mainWindow?.RegisterFusedLibraryWindow(this);
     }
     
     /// <summary>
@@ -97,4 +102,16 @@ public partial class FusedDesktopComponentLibraryWindow : Window
     {
         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

@@ -269,12 +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();
 
@@ -331,19 +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()
@@ -630,8 +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;
             }
@@ -719,8 +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)
@@ -1561,18 +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;
         }
@@ -1587,38 +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)
@@ -1689,18 +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)
@@ -1721,11 +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

@@ -135,6 +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";
@@ -238,9 +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();
@@ -288,7 +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()
@@ -481,7 +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();
@@ -621,7 +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()
@@ -697,8 +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);
 
@@ -737,7 +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);
         }
     }
 

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/TransparentOverlayWindow.axaml

@@ -1,7 +1,6 @@
 <Window xmlns="https://github.com/avaloniaui"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         x:Class="LanMountainDesktop.Views.TransparentOverlayWindow"
-        WindowState="FullScreen"
         SystemDecorations="None"
         CanResize="False"
         ShowInTaskbar="False"

LanMountainDesktop/Views/TransparentOverlayWindow.axaml.cs

@@ -22,9 +22,6 @@ namespace LanMountainDesktop.Views;
 /// </summary>
 public partial class TransparentOverlayWindow : Window
 {
-    private readonly ISettingsFacadeService _settingsFacade = HostSettingsFacadeProvider.GetOrCreate();
-    private readonly IWindowBottomMostService _bottomMostService = WindowBottomMostServiceFactory.GetOrCreate();
-    private readonly IRegionPassthroughService _regionPassthroughService = RegionPassthroughServiceFactory.GetOrCreate();
     private readonly IFusedDesktopLayoutService _layoutService = FusedDesktopLayoutServiceProvider.GetOrCreate();
     
     // 滑动状态
@@ -55,35 +52,75 @@ public partial class TransparentOverlayWindow : Window
     
     // 渲染参数
     private const double DefaultCellSize = 100;
+    private double _currentDesktopCellSize;
     
-    // 拖拽状态
+    // 拖拽与缩放状态
     private bool _isDragging;
-    private string? _draggingPlacementId;
-    private Point _dragStartPoint;
-    private Border? _draggingHost;
+    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();
-        _weatherDataService = _settingsFacade.Weather.GetWeatherInfoService();
-        _timeZoneService = _settingsFacade.Region.GetTimeZoneService();
+        var facade = HostSettingsFacadeProvider.GetOrCreate();
+        _weatherDataService = facade.Weather.GetWeatherInfoService();
+        _timeZoneService = facade.Region.GetTimeZoneService();
+        _settingsFacade = facade;
+    }
+    
+    private readonly ISettingsFacadeService _settingsFacade;
+
+    public void SaveLayoutAndHide()
+    {
+        SaveLayout();
+        Hide();
         
-        // 仅在 Windows 上启用置底功能
-        if (OperatingSystem.IsWindows())
+        // Remove all components so that next time we open it builds fresh from snapshot
+        if (Content is Canvas canvas)
         {
-            _bottomMostService.SetupBottomMost(this);
+            canvas.Children.Clear();
         }
+        _componentHosts.Clear();
     }
     
     protected override void OnOpened(EventArgs e)
     {
         base.OnOpened(e);
         
-        if (OperatingSystem.IsWindows())
+        if (Screens.Primary is { } primaryScreen)
         {
-            _bottomMostService.SendToBottom(this);
+            // 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
@@ -120,6 +157,7 @@ public partial class TransparentOverlayWindow : Window
         
         canvas.Children.Clear();
         _componentHosts.Clear();
+        _selectedHost = null;
         
         foreach (var placement in _layout.ComponentPlacements)
         {
@@ -147,16 +185,7 @@ public partial class TransparentOverlayWindow : Window
     /// </summary>
     private void UpdateInteractiveRegions()
     {
-        _interactiveRegions.Clear();
-        
-        foreach (var host in _componentHosts.Values)
-        {
-            var x = Canvas.GetLeft(host);
-            var y = Canvas.GetTop(host);
-            _interactiveRegions.Add(new Rect(x, y, host.Width, host.Height));
-        }
-        
-        _regionPassthroughService.SetInteractiveRegions(this, _interactiveRegions);
+        // 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>
@@ -180,9 +209,14 @@ public partial class TransparentOverlayWindow : Window
             return;
         }
 
-        // 解析尺寸：如果未提供，则使用组件定义的最小尺寸 * 100
-        var finalWidth = width ?? (definition.MinWidthCells * DefaultCellSize);
-        var finalHeight = height ?? (definition.MinHeightCells * DefaultCellSize);
+        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
@@ -225,7 +259,7 @@ public partial class TransparentOverlayWindow : Window
         }
         
         var control = descriptor.CreateControl(
-            DefaultCellSize,
+            _currentDesktopCellSize,
             _timeZoneService,
             _weatherDataService,
             _recommendationInfoService,
@@ -260,24 +294,44 @@ public partial class TransparentOverlayWindow : Window
     /// </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 = Brushes.Transparent,
-            CornerRadius = new CornerRadius(12),
-            ClipToBounds = true,
-            Child = component
+            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);
         
-        // 添加拖拽支持
         host.PointerPressed += OnComponentPointerPressed;
-        host.PointerMoved += OnComponentPointerMoved;
-        host.PointerReleased += OnComponentPointerReleased;
+        host.PointerMoved += OnInteractionPointerMoved;
+        host.PointerReleased += OnInteractionPointerReleased;
         
         // 右键上下文菜单（删除组件）
         host.ContextRequested += OnComponentContextRequested;
@@ -318,7 +372,60 @@ public partial class TransparentOverlayWindow : Window
         e.Handled = true;
     }
     
-    // 组件拖拽处理
+    // 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;
@@ -326,55 +433,97 @@ public partial class TransparentOverlayWindow : Window
         var point = e.GetCurrentPoint(this);
         if (!point.Properties.IsLeftButtonPressed) return;
         
-        _isDragging = true;
-        _draggingPlacementId = placementId;
-        _draggingHost = host;
-        _dragStartPoint = e.GetPosition(this);
+        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 OnComponentPointerMoved(object? sender, PointerEventArgs e)
+    private void OnInteractionPointerMoved(object? sender, PointerEventArgs e)
     {
-        if (!_isDragging || _draggingHost is null) return;
+        if ((!_isDragging && !_isResizing) || _interactionHost is null) return;
         
         var currentPoint = e.GetPosition(this);
-        var deltaX = currentPoint.X - _dragStartPoint.X;
-        var deltaY = currentPoint.Y - _dragStartPoint.Y;
+        var deltaX = currentPoint.X - _interactionStartPoint.X;
+        var deltaY = currentPoint.Y - _interactionStartPoint.Y;
         
-        var currentX = Canvas.GetLeft(_draggingHost);
-        var currentY = Canvas.GetTop(_draggingHost);
+        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;
+        }
         
-        Canvas.SetLeft(_draggingHost, currentX + deltaX);
-        Canvas.SetTop(_draggingHost, currentY + deltaY);
-        
-        _dragStartPoint = currentPoint;
         e.Handled = true;
     }
     
-    private void OnComponentPointerReleased(object? sender, PointerReleasedEventArgs e)
+    private void OnInteractionPointerReleased(object? sender, PointerReleasedEventArgs e)
     {
-        if (!_isDragging || _draggingHost is null || _draggingPlacementId is null)
+        if ((!_isDragging && !_isResizing) || _interactionHost is null || _interactionPlacementId is null)
         {
             _isDragging = false;
+            _isResizing = false;
             return;
         }
         
-        // 更新布局中的位置
-        var placement = _layout.ComponentPlacements.Find(p => p.PlacementId == _draggingPlacementId);
+        // 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(_draggingHost);
-            placement.Y = Canvas.GetTop(_draggingHost);
+            placement.X = Canvas.GetLeft(_interactionHost);
+            placement.Y = Canvas.GetTop(_interactionHost);
+            placement.Width = _interactionHost.Width;
+            placement.Height = _interactionHost.Height;
         }
         
         UpdateInteractiveRegions();
         SaveLayout();
         
         _isDragging = false;
-        _draggingPlacementId = null;
-        _draggingHost = null;
+        _isResizing = false;
+        _interactionPlacementId = null;
+        _interactionHost = null;
         
         e.Pointer.Capture(null);
         e.Handled = true;