settings_re8

LanMountainDesktop.PluginSdk/IComponentEditorHostContext.cs

@@ -0,0 +1,10 @@
+namespace LanMountainDesktop.PluginSdk;
+
+public interface IComponentEditorHostContext
+{
+    void RequestRefresh();
+
+    void CloseEditor();
+
+    void RequestRestart(string? reason = null);
+}

LanMountainDesktop.PluginSdk/PluginDesktopComponentEditorContext.cs

@@ -0,0 +1,71 @@
+namespace LanMountainDesktop.PluginSdk;
+
+public sealed class PluginDesktopComponentEditorContext
+{
+    public PluginDesktopComponentEditorContext(
+        PluginManifest manifest,
+        string pluginDirectory,
+        string dataDirectory,
+        IServiceProvider services,
+        IReadOnlyDictionary<string, object?> properties,
+        string componentId,
+        string? placementId,
+        IPluginSettingsService? pluginSettings,
+        IComponentEditorHostContext hostContext)
+    {
+        ArgumentNullException.ThrowIfNull(manifest);
+        ArgumentException.ThrowIfNullOrWhiteSpace(pluginDirectory);
+        ArgumentException.ThrowIfNullOrWhiteSpace(dataDirectory);
+        ArgumentException.ThrowIfNullOrWhiteSpace(componentId);
+        ArgumentNullException.ThrowIfNull(services);
+        ArgumentNullException.ThrowIfNull(properties);
+        ArgumentNullException.ThrowIfNull(hostContext);
+
+        Manifest = manifest;
+        PluginDirectory = pluginDirectory;
+        DataDirectory = dataDirectory;
+        Services = services;
+        Properties = properties;
+        ComponentId = componentId.Trim();
+        PlacementId = string.IsNullOrWhiteSpace(placementId) ? null : placementId.Trim();
+        PluginSettings = pluginSettings;
+        HostContext = hostContext;
+    }
+
+    public PluginManifest Manifest { get; }
+
+    public string PluginDirectory { get; }
+
+    public string DataDirectory { get; }
+
+    public IServiceProvider Services { get; }
+
+    public IReadOnlyDictionary<string, object?> Properties { get; }
+
+    public string ComponentId { get; }
+
+    public string? PlacementId { get; }
+
+    public IPluginSettingsService? PluginSettings { get; }
+
+    public IComponentEditorHostContext HostContext { get; }
+
+    public T? GetService<T>()
+    {
+        return (T?)Services.GetService(typeof(T));
+    }
+
+    public bool TryGetProperty<T>(string key, out T? value)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(key);
+
+        if (Properties.TryGetValue(key, out var rawValue) && rawValue is T typedValue)
+        {
+            value = typedValue;
+            return true;
+        }
+
+        value = default;
+        return false;
+    }
+}

LanMountainDesktop.PluginSdk/PluginDesktopComponentEditorRegistration.cs

@@ -0,0 +1,77 @@
+using Avalonia.Controls;
+
+namespace LanMountainDesktop.PluginSdk;
+
+public sealed class PluginDesktopComponentEditorRegistration
+{
+    public PluginDesktopComponentEditorRegistration(
+        string componentId,
+        Func<IServiceProvider, PluginDesktopComponentEditorContext, Control> editorFactory,
+        double preferredWidth = 720d,
+        double preferredHeight = 540d,
+        double minScale = 0.85d,
+        double maxScale = 1.45d)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(componentId);
+        ArgumentNullException.ThrowIfNull(editorFactory);
+
+        if (preferredWidth <= 0)
+        {
+            throw new ArgumentOutOfRangeException(nameof(preferredWidth));
+        }
+
+        if (preferredHeight <= 0)
+        {
+            throw new ArgumentOutOfRangeException(nameof(preferredHeight));
+        }
+
+        if (minScale <= 0)
+        {
+            throw new ArgumentOutOfRangeException(nameof(minScale));
+        }
+
+        if (maxScale < minScale)
+        {
+            throw new ArgumentOutOfRangeException(nameof(maxScale));
+        }
+
+        ComponentId = componentId.Trim();
+        EditorFactory = editorFactory;
+        PreferredWidth = preferredWidth;
+        PreferredHeight = preferredHeight;
+        MinScale = minScale;
+        MaxScale = maxScale;
+        AspectRatio = preferredWidth / preferredHeight;
+    }
+
+    public PluginDesktopComponentEditorRegistration(
+        string componentId,
+        Func<PluginDesktopComponentEditorContext, Control> editorFactory,
+        double preferredWidth = 720d,
+        double preferredHeight = 540d,
+        double minScale = 0.85d,
+        double maxScale = 1.45d)
+        : this(
+            componentId,
+            (_, context) => editorFactory(context),
+            preferredWidth,
+            preferredHeight,
+            minScale,
+            maxScale)
+    {
+    }
+
+    public string ComponentId { get; }
+
+    public Func<IServiceProvider, PluginDesktopComponentEditorContext, Control> EditorFactory { get; }
+
+    public double PreferredWidth { get; }
+
+    public double PreferredHeight { get; }
+
+    public double MinScale { get; }
+
+    public double MaxScale { get; }
+
+    public double AspectRatio { get; }
+}

LanMountainDesktop.PluginSdk/PluginServiceCollectionExtensions.cs

@@ -61,6 +61,27 @@ public static class PluginServiceCollectionExtensions
         return services;
     }
 
+    public static IServiceCollection AddPluginDesktopComponentEditor<TControl>(
+        this IServiceCollection services,
+        string componentId,
+        double preferredWidth = 720d,
+        double preferredHeight = 540d,
+        double minScale = 0.85d,
+        double maxScale = 1.45d)
+        where TControl : Control
+    {
+        ArgumentNullException.ThrowIfNull(services);
+
+        services.AddSingleton(new PluginDesktopComponentEditorRegistration(
+            componentId,
+            (provider, context) => ActivatorUtilities.CreateInstance<TControl>(provider, context),
+            preferredWidth,
+            preferredHeight,
+            minScale,
+            maxScale));
+        return services;
+    }
+
     public static IServiceCollection AddPluginExport<TContract, TImplementation>(this IServiceCollection services)
         where TContract : class
         where TImplementation : class, TContract

LanMountainDesktop/App.axaml.cs

@@ -2,6 +2,7 @@ using System;
 using System.Globalization;
 using System.Linq;
 using System.Threading;
+using System.Threading.Tasks;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.ApplicationLifetimes;
@@ -45,8 +46,10 @@ public partial class App : Application
     private readonly LocalizationService _localizationService = new();
     private readonly IHostApplicationLifecycle _hostApplicationLifecycle = new HostApplicationLifecycleService();
     private readonly IDetachedComponentLibraryWindowService _detachedComponentLibraryWindowService = new DetachedComponentLibraryWindowService();
+    private readonly ILocationService _locationService = HostLocationServiceProvider.GetOrCreate();
     private ISettingsPageRegistry? _settingsPageRegistry;
     private ISettingsWindowService? _settingsWindowService;
+    private WeatherLocationRefreshService? _weatherLocationRefreshService;
     private bool _exitCleanupCompleted;
     private DesktopShellState _desktopShellState = DesktopShellState.ForegroundDesktop;
     private ShutdownIntent _shutdownIntent;
@@ -92,6 +95,7 @@ public partial class App : Application
         ApplyThemeFromSettings();
         ApplyCurrentCultureFromSettings();
         EnsureSettingsWindowService();
+        EnsureWeatherLocationRefreshService();
     }
 
     public override void OnFrameworkInitializationCompleted()
@@ -119,6 +123,8 @@ public partial class App : Application
             CurrentSingleInstanceService?.StartActivationListener(ActivateMainWindow);
         }
 
+        StartWeatherLocationRefreshIfNeeded();
+
         base.OnFrameworkInitializationCompleted();
     }
 
@@ -300,6 +306,35 @@ public partial class App : Application
             _settingsFacade);
     }
 
+    private void EnsureWeatherLocationRefreshService()
+    {
+        _weatherLocationRefreshService ??= new WeatherLocationRefreshService(
+            _settingsFacade,
+            _locationService,
+            _localizationService);
+    }
+
+    private void StartWeatherLocationRefreshIfNeeded()
+    {
+        EnsureWeatherLocationRefreshService();
+        if (_weatherLocationRefreshService is null)
+        {
+            return;
+        }
+
+        _ = Task.Run(async () =>
+        {
+            try
+            {
+                await _weatherLocationRefreshService.TryRefreshOnStartupAsync();
+            }
+            catch (Exception ex)
+            {
+                AppLogger.Warn("Weather.Location", "Failed to refresh weather location during startup.", ex);
+            }
+        });
+    }
+
     private void ApplyThemeFromSettings()
     {
         var themeState = _settingsFacade.Theme.Get();

LanMountainDesktop/ComponentSystem/DesktopComponentEditorRegistry.cs

@@ -0,0 +1,159 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Avalonia.Controls;
+using LanMountainDesktop.PluginSdk;
+using LanMountainDesktop.Services;
+using LanMountainDesktop.Services.Settings;
+
+namespace LanMountainDesktop.ComponentSystem;
+
+public sealed record DesktopComponentEditorContext(
+    DesktopComponentDefinition Definition,
+    string ComponentId,
+    string? PlacementId,
+    ISettingsFacadeService SettingsFacade,
+    ISettingsService SettingsService,
+    IComponentSettingsAccessor ComponentSettingsAccessor,
+    IComponentInstanceSettingsStore ComponentSettingsStore,
+    IComponentEditorHostContext HostContext);
+
+public sealed class DesktopComponentEditorRegistration
+{
+    public DesktopComponentEditorRegistration(
+        string componentId,
+        Func<DesktopComponentEditorContext, Control> editorFactory,
+        double preferredWidth = 720d,
+        double preferredHeight = 540d,
+        double minScale = 0.85d,
+        double maxScale = 1.45d)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(componentId);
+        ArgumentNullException.ThrowIfNull(editorFactory);
+
+        if (preferredWidth <= 0)
+        {
+            throw new ArgumentOutOfRangeException(nameof(preferredWidth));
+        }
+
+        if (preferredHeight <= 0)
+        {
+            throw new ArgumentOutOfRangeException(nameof(preferredHeight));
+        }
+
+        if (minScale <= 0)
+        {
+            throw new ArgumentOutOfRangeException(nameof(minScale));
+        }
+
+        if (maxScale < minScale)
+        {
+            throw new ArgumentOutOfRangeException(nameof(maxScale));
+        }
+
+        ComponentId = componentId.Trim();
+        EditorFactory = editorFactory;
+        PreferredWidth = preferredWidth;
+        PreferredHeight = preferredHeight;
+        MinScale = minScale;
+        MaxScale = maxScale;
+        AspectRatio = preferredWidth / preferredHeight;
+    }
+
+    public string ComponentId { get; }
+
+    public Func<DesktopComponentEditorContext, Control> EditorFactory { get; }
+
+    public double PreferredWidth { get; }
+
+    public double PreferredHeight { get; }
+
+    public double MinScale { get; }
+
+    public double MaxScale { get; }
+
+    public double AspectRatio { get; }
+}
+
+public sealed class DesktopComponentEditorDescriptor
+{
+    internal DesktopComponentEditorDescriptor(
+        DesktopComponentDefinition definition,
+        Func<DesktopComponentEditorContext, Control> editorFactory,
+        double preferredWidth,
+        double preferredHeight,
+        double minScale,
+        double maxScale,
+        double aspectRatio)
+    {
+        Definition = definition;
+        _editorFactory = editorFactory;
+        PreferredWidth = preferredWidth;
+        PreferredHeight = preferredHeight;
+        MinScale = minScale;
+        MaxScale = maxScale;
+        AspectRatio = aspectRatio;
+    }
+
+    private readonly Func<DesktopComponentEditorContext, Control> _editorFactory;
+
+    public DesktopComponentDefinition Definition { get; }
+
+    public double PreferredWidth { get; }
+
+    public double PreferredHeight { get; }
+
+    public double MinScale { get; }
+
+    public double MaxScale { get; }
+
+    public double AspectRatio { get; }
+
+    public Control CreateEditor(DesktopComponentEditorContext context)
+    {
+        return _editorFactory(context);
+    }
+}
+
+public sealed class DesktopComponentEditorRegistry
+{
+    private readonly Dictionary<string, DesktopComponentEditorDescriptor> _descriptors;
+
+    public DesktopComponentEditorRegistry(
+        ComponentRegistry componentRegistry,
+        IEnumerable<DesktopComponentEditorRegistration> registrations)
+    {
+        ArgumentNullException.ThrowIfNull(componentRegistry);
+        ArgumentNullException.ThrowIfNull(registrations);
+
+        _descriptors = new Dictionary<string, DesktopComponentEditorDescriptor>(StringComparer.OrdinalIgnoreCase);
+
+        foreach (var registration in registrations)
+        {
+            if (!componentRegistry.TryGetDefinition(registration.ComponentId, out var definition))
+            {
+                continue;
+            }
+
+            _descriptors[registration.ComponentId] = new DesktopComponentEditorDescriptor(
+                definition,
+                registration.EditorFactory,
+                registration.PreferredWidth,
+                registration.PreferredHeight,
+                registration.MinScale,
+                registration.MaxScale,
+                registration.AspectRatio);
+        }
+    }
+
+    public bool TryGetDescriptor(string componentId, out DesktopComponentEditorDescriptor descriptor)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(componentId);
+        return _descriptors.TryGetValue(componentId.Trim(), out descriptor!);
+    }
+
+    public IReadOnlyList<DesktopComponentEditorDescriptor> GetAll()
+    {
+        return _descriptors.Values.ToList();
+    }
+}

LanMountainDesktop/LanMountainDesktop.csproj

@@ -46,6 +46,7 @@
     <PackageReference Include="FluentAvaloniaUI" Version="2.5.0" />
     <PackageReference Include="FluentIcons.Avalonia" Version="2.0.319" />
     <PackageReference Include="FluentIcons.Avalonia.Fluent" Version="2.0.319" />
+    <PackageReference Include="Material.Avalonia" Version="3.13.4" />
     <PackageReference Include="Material.Icons.Avalonia" Version="2.4.1" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="10.0.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="10.0.0" />

LanMountainDesktop/Localization/en-US.json

@@ -93,6 +93,7 @@
     "settings.status_bar.spacing_custom_label":  "Custom spacing (%)",
     "settings.status_bar.spacing_custom_px_format":  "≈ {0:F1}px",
     "settings.weather.title":  "Weather",
+    "settings.weather.description":  "Configure weather location, Xiaomi weather preview, and startup positioning behavior.",
     "settings.weather.location_source_header":  "Location Source",
     "settings.weather.location_source_desc":  "Choose how weather widgets resolve location.",
     "settings.weather.mode_city_search":  "City Search",
@@ -119,6 +120,14 @@
     "settings.weather.apply_coordinates_button":  "Apply Coordinates",
     "settings.weather.coordinates_saved_format":  "Coordinates saved: {0:F4}, {1:F4}",
     "settings.weather.coordinates_default_name_format":  "Coordinate {0:F4}, {1:F4}",
+    "settings.weather.location_services_header":  "Location Service",
+    "settings.weather.location_services_desc":  "Use the current Windows location and decide whether it refreshes automatically on startup.",
+    "settings.weather.use_current_location":  "Use Current Location",
+    "settings.weather.location_unsupported":  "Current platform does not support retrieving the current location.",
+    "settings.weather.location_ready":  "You can use the current Windows location.",
+    "settings.weather.location_refreshing":  "Requesting current location...",
+    "settings.weather.location_refresh_success_format":  "Current location applied: {0}",
+    "settings.weather.location_refresh_failed_format":  "Failed to get current location: {0}",
     "settings.weather.preview_header":  "Connection Test",
     "settings.weather.preview_desc":  "Send one test request to verify current settings.",
     "settings.weather.preview_button":  "Test Fetch",
@@ -127,6 +136,7 @@
     "settings.weather.preview_panel_header":  "Weather Preview",
     "settings.weather.preview_panel_desc":  "Refresh and verify current weather service status.",
     "settings.weather.refresh_button":  "Refresh",
+    "settings.weather.preview_updated_format":  "Updated {0}",
     "settings.weather.preview_hint":  "Use test fetch to verify your weather configuration.",
     "settings.weather.preview_missing_location":  "Please apply one weather location before testing.",
     "settings.weather.preview_success_format":  "Test success: {0} · {1} · {2}",
@@ -335,12 +345,14 @@
     "launcher.context.hide_icon":  "Hide Icon",
     "launcher.action.hide":  "Hide",
     "settings.launcher.title":  "App Launcher",
+    "settings.launcher.description":  "Manage hidden apps and folders in the App Launcher.",
     "settings.launcher.hidden_header":  "Hidden Items",
     "settings.launcher.hidden_desc":  "Review hidden launcher entries and show them again.",
     "settings.launcher.hidden_hint":  "In desktop edit mode, select a launcher icon and click Hide. Hidden entries appear here.",
     "settings.launcher.hidden_empty":  "No hidden items.",
+    "settings.launcher.hidden_summary_format":  "{0} hidden items",
     "settings.launcher.hidden_type_folder":  "Folder",
-    "settings.launcher.hidden_type_shortcut":  "Shortcut",
+    "settings.launcher.hidden_type_shortcut":  "App",
     "settings.launcher.restore_button":  "Unhide",
     "settings.plugins.title":  "Plugins",
     "settings.plugins.runtime_header":  "Plugin Runtime",
@@ -459,6 +471,12 @@
     "component_library.drag_hint":  "Drag to place",
     "component.delete":  "Delete",
     "component.edit":  "Edit",
+    "component.editor.instance_scope": "Changes apply to this component instance only.",
+    "component.editor.info_header": "Component Info",
+    "component.editor.id_label": "Component ID",
+    "component.editor.placement_label": "Placement ID",
+    "component.editor.scope_label": "Scope",
+    "component.editor.scope_instance": "Instance-scoped editor",
     "component_category.clock":  "Clock",
     "component_category.date":  "Calendar",
     "component_category.weather":  "Weather",
@@ -801,4 +819,3 @@
     "single_instance.notice.description":  "The app is already running. There is no need to click multiple times to open it.",
     "single_instance.notice.button":  "OK"
   }
-

LanMountainDesktop/Localization/zh-CN.json

@@ -98,6 +98,7 @@
     "settings.status_bar.spacing_custom_label":  "自定义间距（%）",
     "settings.status_bar.spacing_custom_px_format":  "≈ {0:F1}px",
     "settings.weather.title":  "天气",
+    "settings.weather.description":  "配置天气位置、小米天气预览和启动时的位置刷新行为。",
     "settings.weather.location_source_header":  "位置来源",
     "settings.weather.location_source_desc":  "选择天气组件如何解析当前位置。",
     "settings.weather.mode_city_search":  "城市搜索",
@@ -124,6 +125,14 @@
     "settings.weather.apply_coordinates_button":  "应用坐标",
     "settings.weather.coordinates_saved_format":  "坐标已保存：{0:F4}, {1:F4}",
     "settings.weather.coordinates_default_name_format":  "坐标 {0:F4}, {1:F4}",
+    "settings.weather.location_services_header":  "定位服务",
+    "settings.weather.location_services_desc":  "使用当前 Windows 定位，并决定是否在启动时自动刷新天气位置。",
+    "settings.weather.use_current_location":  "使用当前位置",
+    "settings.weather.location_unsupported":  "当前平台不支持获取当前位置。",
+    "settings.weather.location_ready":  "可以使用当前 Windows 定位。",
+    "settings.weather.location_refreshing":  "正在获取当前位置……",
+    "settings.weather.location_refresh_success_format":  "已应用当前位置：{0}",
+    "settings.weather.location_refresh_failed_format":  "获取当前位置失败：{0}",
     "settings.weather.preview_header":  "连接测试",
     "settings.weather.preview_desc":  "发送一次测试请求，验证当前配置是否可用。",
     "settings.weather.preview_button":  "测试获取",
@@ -132,6 +141,7 @@
     "settings.weather.preview_panel_header":  "天气预览",
     "settings.weather.preview_panel_desc":  "刷新并验证当前天气服务状态。",
     "settings.weather.refresh_button":  "刷新",
+    "settings.weather.preview_updated_format":  "更新于 {0}",
     "settings.weather.preview_hint":  "可通过测试获取快速验证天气配置。",
     "settings.weather.preview_missing_location":  "请先应用一个天气位置后再测试。",
     "settings.weather.preview_success_format":  "测试成功：{0} · {1} · {2}",
@@ -340,12 +350,14 @@
     "launcher.context.hide_icon":  "隐藏图标",
     "launcher.action.hide":  "隐藏",
     "settings.launcher.title":  "应用启动台",
+    "settings.launcher.description":  "管理应用启动台中已隐藏的应用与文件夹。",
     "settings.launcher.hidden_header":  "已隐藏项目",
     "settings.launcher.hidden_desc":  "查看已隐藏的启动台项目并重新显示。",
     "settings.launcher.hidden_hint":  "进入桌面编辑模式后，在启动台选中图标并点击“隐藏”，隐藏后的项目会显示在这里。",
     "settings.launcher.hidden_empty":  "暂无隐藏项目。",
+    "settings.launcher.hidden_summary_format":  "共 {0} 个隐藏项目",
     "settings.launcher.hidden_type_folder":  "文件夹",
-    "settings.launcher.hidden_type_shortcut":  "快捷方式",
+    "settings.launcher.hidden_type_shortcut":  "应用",
     "settings.launcher.restore_button":  "取消隐藏",
     "settings.plugins.title":  "插件",
     "settings.plugins.runtime_header":  "插件运行时",
@@ -464,6 +476,12 @@
     "component_library.drag_hint":  "拖动放置",
     "component.delete":  "删除",
     "component.edit":  "编辑",
+    "component.editor.instance_scope": "设置仅对当前组件实例生效。",
+    "component.editor.info_header": "组件信息",
+    "component.editor.id_label": "组件 ID",
+    "component.editor.placement_label": "实例 ID",
+    "component.editor.scope_label": "作用域",
+    "component.editor.scope_instance": "实例级编辑器",
     "component_category.clock":  "时钟",
     "component_category.date":  "日历",
     "component_category.weather":  "天气",
@@ -806,4 +824,3 @@
     "single_instance.notice.description":  "应用已经运行，无需多次点击打开。",
     "single_instance.notice.button":  "确定"
   }
-

LanMountainDesktop/Models/AppSettingsSnapshot.cs

@@ -48,7 +48,7 @@ public sealed class AppSettingsSnapshot
 
     public string WeatherExcludedAlerts { get; set; } = string.Empty;
 
-    public string WeatherIconPackId { get; set; } = "FluentRegular";
+    public string WeatherIconPackId { get; set; } = "HyperOS3";
 
     public bool WeatherNoTlsRequests { get; set; }
 

LanMountainDesktop/Models/TaskbarActionId.cs

@@ -5,6 +5,7 @@ public enum TaskbarActionId
     MinimizeToWindows,
     AddDesktopPage,
     DeleteDesktopPage,
+    EditComponent,
     DeleteComponent,
     HideLauncherEntry
 }

LanMountainDesktop/Services/ComponentEditorMaterialThemeAdapter.cs

@@ -0,0 +1,157 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Avalonia.Media;
+using LanMountainDesktop.Models;
+using LanMountainDesktop.Services.Settings;
+using LanMountainDesktop.Theme;
+
+namespace LanMountainDesktop.Services;
+
+internal sealed record ComponentEditorThemePalette(
+    bool IsNightMode,
+    Color PrimaryColor,
+    Color SecondaryColor,
+    Color TertiaryColor,
+    Color WindowBackgroundColor,
+    Color SurfaceColor,
+    Color SurfaceContainerColor,
+    Color SurfaceContainerHighColor,
+    Color TopAppBarColor,
+    Color HeaderIconBackgroundColor,
+    Color TitleBarButtonHoverColor,
+    Color OutlineColor,
+    Color DividerColor,
+    Color OnSurfaceColor,
+    Color OnSurfaceVariantColor,
+    Color OnPrimaryColor);
+
+internal static class ComponentEditorMaterialThemeAdapter
+{
+    private static readonly Color DefaultPrimary = Color.Parse("#FF6750A4");
+    private static readonly Color DarkBackgroundBase = Color.Parse("#FF0B0F14");
+    private static readonly Color DarkSurfaceBase = Color.Parse("#FF10161D");
+    private static readonly Color DarkSurfaceContainerBase = Color.Parse("#FF151C24");
+    private static readonly Color DarkSurfaceContainerHighBase = Color.Parse("#FF1A232D");
+    private static readonly Color LightBackgroundBase = Color.Parse("#FFFCFCFF");
+    private static readonly Color LightSurfaceBase = Color.Parse("#FFFFFFFF");
+    private static readonly Color LightSurfaceContainerBase = Color.Parse("#FFF6F8FD");
+    private static readonly Color LightSurfaceContainerHighBase = Color.Parse("#FFF0F4FA");
+    private static readonly Color LightOnSurfaceBase = Color.Parse("#FF101316");
+    private static readonly Color DarkOnSurfaceBase = Color.Parse("#FFF6F8FC");
+
+    public static ComponentEditorThemePalette Build(
+        ThemeAppearanceSettingsState themeState,
+        WallpaperSettingsState wallpaperState,
+        MonetPalette monetPalette,
+        WallpaperMediaType wallpaperMediaType)
+    {
+        ArgumentNullException.ThrowIfNull(monetPalette);
+
+        var isNightMode = themeState.IsNightMode;
+        var monetColors = monetPalette.MonetColors?.Where(color => color.A > 0).ToArray() ?? [];
+        var fallbackThemeColor = TryParseColor(themeState.ThemeColor);
+        var useWallpaperPalette = wallpaperMediaType == WallpaperMediaType.Image && monetColors.Length > 0;
+
+        var primary = useWallpaperPalette
+            ? monetColors[0]
+            : fallbackThemeColor ?? monetColors.FirstOrDefault(DefaultPrimary);
+        var secondary = ResolveSecondaryColor(primary, monetColors, isNightMode);
+        var tertiary = ResolveTertiaryColor(primary, secondary, monetColors, isNightMode);
+
+        var backgroundBase = isNightMode ? DarkBackgroundBase : LightBackgroundBase;
+        var surfaceBase = isNightMode ? DarkSurfaceBase : LightSurfaceBase;
+        var surfaceContainerBase = isNightMode ? DarkSurfaceContainerBase : LightSurfaceContainerBase;
+        var surfaceContainerHighBase = isNightMode ? DarkSurfaceContainerHighBase : LightSurfaceContainerHighBase;
+
+        var background = ColorMath.Blend(backgroundBase, primary, isNightMode ? 0.10 : 0.025);
+        var surface = ColorMath.Blend(surfaceBase, primary, isNightMode ? 0.12 : 0.035);
+        var surfaceContainer = ColorMath.Blend(surfaceContainerBase, primary, isNightMode ? 0.18 : 0.065);
+        var surfaceContainerHigh = ColorMath.Blend(surfaceContainerHighBase, primary, isNightMode ? 0.24 : 0.09);
+        var topAppBar = ColorMath.Blend(surfaceContainerHigh, primary, isNightMode ? 0.10 : 0.06);
+
+        var onSurfaceBase = isNightMode ? DarkOnSurfaceBase : LightOnSurfaceBase;
+        var onSurface = ColorMath.EnsureContrast(onSurfaceBase, background, 7.0);
+        var onSurfaceVariantBase = ColorMath.Blend(
+            onSurface,
+            surfaceContainer,
+            isNightMode ? 0.30 : 0.42);
+        var onSurfaceVariant = ColorMath.EnsureContrast(onSurfaceVariantBase, surfaceContainer, 4.5);
+        var outlineBase = ColorMath.Blend(onSurface, surfaceContainer, isNightMode ? 0.74 : 0.82);
+        var outline = Color.FromArgb(
+            isNightMode ? (byte)0x66 : (byte)0x42,
+            outlineBase.R,
+            outlineBase.G,
+            outlineBase.B);
+        var divider = Color.FromArgb(
+            isNightMode ? (byte)0x52 : (byte)0x26,
+            outlineBase.R,
+            outlineBase.G,
+            outlineBase.B);
+        var headerIconBackground = Color.FromArgb(
+            isNightMode ? (byte)0x36 : (byte)0x1F,
+            primary.R,
+            primary.G,
+            primary.B);
+        var titleBarButtonHover = Color.FromArgb(
+            isNightMode ? (byte)0x24 : (byte)0x12,
+            onSurface.R,
+            onSurface.G,
+            onSurface.B);
+        var onPrimaryBase = isNightMode ? Color.Parse("#FF111318") : Color.Parse("#FFFFFFFF");
+        var onPrimary = ColorMath.EnsureContrast(onPrimaryBase, primary, 4.5);
+
+        return new ComponentEditorThemePalette(
+            isNightMode,
+            primary,
+            secondary,
+            tertiary,
+            background,
+            surface,
+            surfaceContainer,
+            surfaceContainerHigh,
+            topAppBar,
+            headerIconBackground,
+            titleBarButtonHover,
+            outline,
+            divider,
+            onSurface,
+            onSurfaceVariant,
+            onPrimary);
+    }
+
+    private static Color ResolveSecondaryColor(Color primary, IReadOnlyList<Color> monetColors, bool isNightMode)
+    {
+        if (monetColors.Count > 1)
+        {
+            return monetColors[1];
+        }
+
+        return ColorMath.Blend(
+            primary,
+            isNightMode ? Color.Parse("#FFFFFFFF") : Color.Parse("#FF1F1B24"),
+            isNightMode ? 0.18 : 0.16);
+    }
+
+    private static Color ResolveTertiaryColor(
+        Color primary,
+        Color secondary,
+        IReadOnlyList<Color> monetColors,
+        bool isNightMode)
+    {
+        if (monetColors.Count > 2)
+        {
+            return monetColors[2];
+        }
+
+        var blendTarget = isNightMode ? Color.Parse("#FFFFFFFF") : Color.Parse("#FF2A2230");
+        return ColorMath.Blend(ColorMath.Blend(primary, secondary, 0.5), blendTarget, isNightMode ? 0.12 : 0.14);
+    }
+
+    private static Color? TryParseColor(string? value)
+    {
+        return !string.IsNullOrWhiteSpace(value) && Color.TryParse(value, out var parsed)
+            ? parsed
+            : null;
+    }
+}

LanMountainDesktop/Services/ComponentEditorWindowService.cs

@@ -0,0 +1,169 @@
+using System;
+using System.Linq;
+using Avalonia.Controls;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Models;
+using LanMountainDesktop.PluginSdk;
+using LanMountainDesktop.Services.Settings;
+using LanMountainDesktop.Views;
+
+namespace LanMountainDesktop.Services;
+
+public readonly record struct ComponentEditorOpenRequest(
+    Window Owner,
+    DesktopComponentEditorDescriptor Descriptor,
+    string ComponentId,
+    string PlacementId,
+    Action RefreshAction,
+    Action<string?>? RestartAction = null);
+
+public interface IComponentEditorWindowService
+{
+    bool IsOpen { get; }
+
+    string? CurrentPlacementId { get; }
+
+    void Open(ComponentEditorOpenRequest request);
+
+    void Close();
+}
+
+internal sealed class ComponentEditorWindowService : IComponentEditorWindowService
+{
+    private readonly ISettingsFacadeService _settingsFacade;
+    private ComponentEditorWindow? _window;
+    private string? _currentPlacementId;
+
+    public ComponentEditorWindowService(ISettingsFacadeService settingsFacade)
+    {
+        _settingsFacade = settingsFacade ?? throw new ArgumentNullException(nameof(settingsFacade));
+        _settingsFacade.Settings.Changed += OnSettingsChanged;
+    }
+
+    public bool IsOpen => _window is { IsVisible: true };
+
+    public string? CurrentPlacementId => _currentPlacementId;
+
+    public void Open(ComponentEditorOpenRequest request)
+    {
+        ArgumentNullException.ThrowIfNull(request.Owner);
+        ArgumentNullException.ThrowIfNull(request.RefreshAction);
+
+        _window ??= CreateWindow();
+
+        var settingsService = _settingsFacade.Settings;
+        var accessor = settingsService.GetComponentAccessor(request.ComponentId, request.PlacementId);
+        var scopedStore = new ComponentSettingsService(settingsService);
+        scopedStore.SetScopedComponentContext(request.ComponentId, request.PlacementId);
+
+        var hostContext = new HostContext(this, request.RefreshAction, request.RestartAction);
+        var context = new DesktopComponentEditorContext(
+            request.Descriptor.Definition,
+            request.ComponentId,
+            request.PlacementId,
+            _settingsFacade,
+            settingsService,
+            accessor,
+            scopedStore,
+            hostContext);
+
+        _currentPlacementId = request.PlacementId;
+        _window.ApplyDescriptor(request.Descriptor, context);
+
+        if (!_window.IsVisible)
+        {
+            _window.Show(request.Owner);
+            return;
+        }
+
+        _window.Activate();
+    }
+
+    public void Close()
+    {
+        _window?.Close();
+    }
+
+    private ComponentEditorWindow CreateWindow()
+    {
+        var window = new ComponentEditorWindow();
+        ApplyTheme(window);
+        window.ShowInTaskbar = false;
+        window.Closed += (_, _) =>
+        {
+            _window = null;
+            _currentPlacementId = null;
+        };
+        return window;
+    }
+
+    private void OnSettingsChanged(object? sender, SettingsChangedEvent e)
+    {
+        if (_window is null || e.Scope != SettingsScope.App)
+        {
+            return;
+        }
+
+        var changedKeys = e.ChangedKeys?.ToArray() ?? [];
+        if (changedKeys.Length > 0 &&
+            !changedKeys.Contains(nameof(AppSettingsSnapshot.IsNightMode), StringComparer.OrdinalIgnoreCase) &&
+            !changedKeys.Contains(nameof(AppSettingsSnapshot.ThemeColor), StringComparer.OrdinalIgnoreCase) &&
+            !changedKeys.Contains(nameof(AppSettingsSnapshot.WallpaperPath), StringComparer.OrdinalIgnoreCase) &&
+            !changedKeys.Contains(nameof(AppSettingsSnapshot.WallpaperType), StringComparer.OrdinalIgnoreCase) &&
+            !changedKeys.Contains(nameof(AppSettingsSnapshot.WallpaperColor), StringComparer.OrdinalIgnoreCase) &&
+            !changedKeys.Contains(nameof(AppSettingsSnapshot.UseSystemChrome), StringComparer.OrdinalIgnoreCase))
+        {
+            return;
+        }
+
+        ApplyTheme(_window);
+    }
+
+    private void ApplyTheme(ComponentEditorWindow window)
+    {
+        var themeState = _settingsFacade.Theme.Get();
+        var wallpaperState = _settingsFacade.Wallpaper.Get();
+        var wallpaperMediaType = _settingsFacade.WallpaperMedia.DetectMediaType(wallpaperState.WallpaperPath);
+        var monetPalette = _settingsFacade.Theme.BuildPalette(themeState.IsNightMode, wallpaperState.WallpaperPath);
+        var palette = ComponentEditorMaterialThemeAdapter.Build(
+            themeState,
+            wallpaperState,
+            monetPalette,
+            wallpaperMediaType);
+
+        window.ApplyTheme(palette);
+        window.ApplyChromeMode(themeState.UseSystemChrome);
+    }
+
+    private sealed class HostContext : IComponentEditorHostContext
+    {
+        private readonly ComponentEditorWindowService _owner;
+        private readonly Action _refreshAction;
+        private readonly Action<string?>? _restartAction;
+
+        public HostContext(
+            ComponentEditorWindowService owner,
+            Action refreshAction,
+            Action<string?>? restartAction)
+        {
+            _owner = owner;
+            _refreshAction = refreshAction;
+            _restartAction = restartAction;
+        }
+
+        public void RequestRefresh()
+        {
+            _refreshAction();
+        }
+
+        public void CloseEditor()
+        {
+            _owner.Close();
+        }
+
+        public void RequestRestart(string? reason = null)
+        {
+            _restartAction?.Invoke(reason);
+        }
+    }
+}

LanMountainDesktop/Services/DesktopComponentEditorRegistryFactory.cs

@@ -0,0 +1,365 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using Avalonia.Controls;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Models;
+using LanMountainDesktop.Plugins;
+using LanMountainDesktop.PluginSdk;
+using LanMountainDesktop.Views.ComponentEditors;
+
+namespace LanMountainDesktop.Services;
+
+public static class DesktopComponentEditorRegistryFactory
+{
+    public static DesktopComponentEditorRegistry Create(
+        ComponentRegistry componentRegistry,
+        PluginRuntimeService? pluginRuntimeService)
+    {
+        ArgumentNullException.ThrowIfNull(componentRegistry);
+
+        var registrations = GetBuiltInRegistrations(componentRegistry).ToList();
+        var registeredIds = new HashSet<string>(
+            registrations.Select(registration => registration.ComponentId),
+            StringComparer.OrdinalIgnoreCase);
+
+        if (pluginRuntimeService is not null)
+        {
+            foreach (var contribution in pluginRuntimeService.DesktopComponentEditors)
+            {
+                var registration = contribution.Registration;
+                if (!componentRegistry.TryGetDefinition(registration.ComponentId, out var definition) ||
+                    !definition.AllowDesktopPlacement ||
+                    !registeredIds.Add(registration.ComponentId))
+                {
+                    continue;
+                }
+
+                registrations.Add(new DesktopComponentEditorRegistration(
+                    registration.ComponentId,
+                    context => CreatePluginEditor(contribution, context),
+                    registration.PreferredWidth,
+                    registration.PreferredHeight,
+                    registration.MinScale,
+                    registration.MaxScale));
+            }
+        }
+
+        return new DesktopComponentEditorRegistry(componentRegistry, registrations);
+    }
+
+    private static IEnumerable<DesktopComponentEditorRegistration> GetBuiltInRegistrations(ComponentRegistry componentRegistry)
+    {
+        var registrations = new Dictionary<string, DesktopComponentEditorRegistration>(StringComparer.OrdinalIgnoreCase)
+        {
+            [BuiltInComponentIds.DesktopClock] = new(
+                BuiltInComponentIds.DesktopClock,
+                context => new ClockComponentEditor(context)),
+            [BuiltInComponentIds.DesktopWorldClock] = new(
+                BuiltInComponentIds.DesktopWorldClock,
+                context => new WorldClockComponentEditor(context),
+                preferredWidth: 820d,
+                preferredHeight: 620d),
+            [BuiltInComponentIds.DesktopClassSchedule] = new(
+                BuiltInComponentIds.DesktopClassSchedule,
+                context => new ClassScheduleComponentEditor(context),
+                preferredWidth: 860d,
+                preferredHeight: 640d),
+            [BuiltInComponentIds.DesktopDailyArtwork] = new(
+                BuiltInComponentIds.DesktopDailyArtwork,
+                context => new DailyArtworkComponentEditor(context)),
+            [BuiltInComponentIds.DesktopStudyEnvironment] = new(
+                BuiltInComponentIds.DesktopStudyEnvironment,
+                context => new StudyEnvironmentComponentEditor(context)),
+            [BuiltInComponentIds.DesktopWeather] = CreateWeatherRegistration(BuiltInComponentIds.DesktopWeather),
+            [BuiltInComponentIds.DesktopWeatherClock] = CreateWeatherRegistration(BuiltInComponentIds.DesktopWeatherClock),
+            [BuiltInComponentIds.DesktopHourlyWeather] = CreateWeatherRegistration(BuiltInComponentIds.DesktopHourlyWeather),
+            [BuiltInComponentIds.DesktopMultiDayWeather] = CreateWeatherRegistration(BuiltInComponentIds.DesktopMultiDayWeather),
+            [BuiltInComponentIds.DesktopExtendedWeather] = CreateWeatherRegistration(BuiltInComponentIds.DesktopExtendedWeather),
+            [BuiltInComponentIds.DesktopCnrDailyNews] = new(
+                BuiltInComponentIds.DesktopCnrDailyNews,
+                context => new ToggleIntervalComponentEditor(
+                    context,
+                    new ToggleIntervalComponentEditorOptions
+                    {
+                        DescriptionKey = "cnr.settings.desc",
+                        DescriptionFallback = "Configure auto rotation for this CNR news widget.",
+                        ToggleLabelKey = "cnr.settings.auto_rotate",
+                        ToggleLabelFallback = "Auto rotate",
+                        ToggleDescriptionKey = "component.editor.instance_scope",
+                        ToggleDescriptionFallback = "Changes are stored per component instance.",
+                        IntervalLabelKey = "cnr.settings.rotate_interval",
+                        IntervalLabelFallback = "Rotate interval",
+                        DefaultInterval = 60,
+                        GetEnabled = snapshot => snapshot.CnrDailyNewsAutoRotateEnabled,
+                        SetEnabled = (snapshot, value) => snapshot.CnrDailyNewsAutoRotateEnabled = value,
+                        GetInterval = snapshot => snapshot.CnrDailyNewsAutoRotateIntervalMinutes,
+                        SetInterval = (snapshot, value) => snapshot.CnrDailyNewsAutoRotateIntervalMinutes = value,
+                        ChangedKeys =
+                        [
+                            nameof(ComponentSettingsSnapshot.CnrDailyNewsAutoRotateEnabled),
+                            nameof(ComponentSettingsSnapshot.CnrDailyNewsAutoRotateIntervalMinutes)
+                        ]
+                    })),
+            [BuiltInComponentIds.DesktopIfengNews] = new(
+                BuiltInComponentIds.DesktopIfengNews,
+                context => new ToggleIntervalComponentEditor(
+                    context,
+                    new ToggleIntervalComponentEditorOptions
+                    {
+                        DescriptionKey = "ifeng.settings.desc",
+                        DescriptionFallback = "Configure auto refresh and source channel for this iFeng widget.",
+                        ToggleLabelKey = "ifeng.settings.auto_refresh",
+                        ToggleLabelFallback = "Auto refresh",
+                        ToggleDescriptionKey = "component.editor.instance_scope",
+                        ToggleDescriptionFallback = "Changes are stored per component instance.",
+                        IntervalLabelKey = "ifeng.settings.refresh_interval",
+                        IntervalLabelFallback = "Refresh interval",
+                        DefaultInterval = 20,
+                        GetEnabled = snapshot => snapshot.IfengNewsAutoRefreshEnabled,
+                        SetEnabled = (snapshot, value) => snapshot.IfengNewsAutoRefreshEnabled = value,
+                        GetInterval = snapshot => snapshot.IfengNewsAutoRefreshIntervalMinutes,
+                        SetInterval = (snapshot, value) => snapshot.IfengNewsAutoRefreshIntervalMinutes = value,
+                        ExtraSelectorLabelKey = "ifeng.settings.channel",
+                        ExtraSelectorLabelFallback = "Channel",
+                        ExtraOptions =
+                        [
+                            new ComponentEditorSelectionOption(
+                                IfengNewsChannelTypes.Comprehensive,
+                                "ifeng.settings.channel.comprehensive",
+                                "Comprehensive"),
+                            new ComponentEditorSelectionOption(
+                                IfengNewsChannelTypes.Mainland,
+                                "ifeng.settings.channel.mainland",
+                                "Mainland"),
+                            new ComponentEditorSelectionOption(
+                                IfengNewsChannelTypes.Taiwan,
+                                "ifeng.settings.channel.taiwan",
+                                "Taiwan")
+                        ],
+                        GetExtraValue = snapshot => IfengNewsChannelTypes.Normalize(snapshot.IfengNewsChannelType),
+                        SetExtraValue = (snapshot, value) => snapshot.IfengNewsChannelType = IfengNewsChannelTypes.Normalize(value),
+                        ChangedKeys =
+                        [
+                            nameof(ComponentSettingsSnapshot.IfengNewsAutoRefreshEnabled),
+                            nameof(ComponentSettingsSnapshot.IfengNewsAutoRefreshIntervalMinutes),
+                            nameof(ComponentSettingsSnapshot.IfengNewsChannelType)
+                        ]
+                    })),
+            [BuiltInComponentIds.DesktopDailyWord] = CreateDailyWordRegistration(BuiltInComponentIds.DesktopDailyWord),
+            [BuiltInComponentIds.DesktopDailyWord2x2] = CreateDailyWordRegistration(BuiltInComponentIds.DesktopDailyWord2x2),
+            [BuiltInComponentIds.DesktopBilibiliHotSearch] = new(
+                BuiltInComponentIds.DesktopBilibiliHotSearch,
+                context => new ToggleIntervalComponentEditor(
+                    context,
+                    new ToggleIntervalComponentEditorOptions
+                    {
+                        DescriptionKey = "bilibili.settings.desc",
+                        DescriptionFallback = "Configure auto refresh for this Bilibili hot search widget.",
+                        ToggleLabelKey = "bilibili.settings.auto_refresh",
+                        ToggleLabelFallback = "Auto refresh",
+                        ToggleDescriptionKey = "component.editor.instance_scope",
+                        ToggleDescriptionFallback = "Changes are stored per component instance.",
+                        IntervalLabelKey = "bilibili.settings.refresh_interval",
+                        IntervalLabelFallback = "Refresh interval",
+                        DefaultInterval = 15,
+                        GetEnabled = snapshot => snapshot.BilibiliHotSearchAutoRefreshEnabled,
+                        SetEnabled = (snapshot, value) => snapshot.BilibiliHotSearchAutoRefreshEnabled = value,
+                        GetInterval = snapshot => snapshot.BilibiliHotSearchAutoRefreshIntervalMinutes,
+                        SetInterval = (snapshot, value) => snapshot.BilibiliHotSearchAutoRefreshIntervalMinutes = value,
+                        ChangedKeys =
+                        [
+                            nameof(ComponentSettingsSnapshot.BilibiliHotSearchAutoRefreshEnabled),
+                            nameof(ComponentSettingsSnapshot.BilibiliHotSearchAutoRefreshIntervalMinutes)
+                        ]
+                    })),
+            [BuiltInComponentIds.DesktopBaiduHotSearch] = new(
+                BuiltInComponentIds.DesktopBaiduHotSearch,
+                context => new ToggleIntervalComponentEditor(
+                    context,
+                    new ToggleIntervalComponentEditorOptions
+                    {
+                        DescriptionKey = "baidu.settings.desc",
+                        DescriptionFallback = "Configure auto refresh and source for this Baidu hot search widget.",
+                        ToggleLabelKey = "baidu.settings.auto_refresh",
+                        ToggleLabelFallback = "Auto refresh",
+                        ToggleDescriptionKey = "component.editor.instance_scope",
+                        ToggleDescriptionFallback = "Changes are stored per component instance.",
+                        IntervalLabelKey = "baidu.settings.refresh_interval",
+                        IntervalLabelFallback = "Refresh interval",
+                        DefaultInterval = 15,
+                        GetEnabled = snapshot => snapshot.BaiduHotSearchAutoRefreshEnabled,
+                        SetEnabled = (snapshot, value) => snapshot.BaiduHotSearchAutoRefreshEnabled = value,
+                        GetInterval = snapshot => snapshot.BaiduHotSearchAutoRefreshIntervalMinutes,
+                        SetInterval = (snapshot, value) => snapshot.BaiduHotSearchAutoRefreshIntervalMinutes = value,
+                        ExtraSelectorLabelKey = "baidu.settings.source",
+                        ExtraSelectorLabelFallback = "Source",
+                        ExtraOptions =
+                        [
+                            new ComponentEditorSelectionOption(
+                                BaiduHotSearchSourceTypes.Official,
+                                "baidu.settings.source.official",
+                                "Official"),
+                            new ComponentEditorSelectionOption(
+                                BaiduHotSearchSourceTypes.ThirdPartyRss,
+                                "baidu.settings.source.third_party",
+                                "Third-party RSS")
+                        ],
+                        GetExtraValue = snapshot => BaiduHotSearchSourceTypes.Normalize(snapshot.BaiduHotSearchSourceType),
+                        SetExtraValue = (snapshot, value) => snapshot.BaiduHotSearchSourceType = BaiduHotSearchSourceTypes.Normalize(value),
+                        ChangedKeys =
+                        [
+                            nameof(ComponentSettingsSnapshot.BaiduHotSearchAutoRefreshEnabled),
+                            nameof(ComponentSettingsSnapshot.BaiduHotSearchAutoRefreshIntervalMinutes),
+                            nameof(ComponentSettingsSnapshot.BaiduHotSearchSourceType)
+                        ]
+                    })),
+            [BuiltInComponentIds.DesktopStcn24Forum] = new(
+                BuiltInComponentIds.DesktopStcn24Forum,
+                context => new ToggleIntervalComponentEditor(
+                    context,
+                    new ToggleIntervalComponentEditorOptions
+                    {
+                        DescriptionKey = "stcn.settings.desc",
+                        DescriptionFallback = "Configure auto refresh and sort mode for this STCN forum widget.",
+                        ToggleLabelKey = "stcn.settings.auto_refresh",
+                        ToggleLabelFallback = "Auto refresh",
+                        ToggleDescriptionKey = "component.editor.instance_scope",
+                        ToggleDescriptionFallback = "Changes are stored per component instance.",
+                        IntervalLabelKey = "stcn.settings.refresh_interval",
+                        IntervalLabelFallback = "Refresh interval",
+                        DefaultInterval = 20,
+                        GetEnabled = snapshot => snapshot.Stcn24ForumAutoRefreshEnabled,
+                        SetEnabled = (snapshot, value) => snapshot.Stcn24ForumAutoRefreshEnabled = value,
+                        GetInterval = snapshot => snapshot.Stcn24ForumAutoRefreshIntervalMinutes,
+                        SetInterval = (snapshot, value) => snapshot.Stcn24ForumAutoRefreshIntervalMinutes = value,
+                        ExtraSelectorLabelKey = "stcn.settings.sort_mode",
+                        ExtraSelectorLabelFallback = "Sort mode",
+                        ExtraOptions = Stcn24ForumSourceTypes.SupportedValues
+                            .Select(value => new ComponentEditorSelectionOption(
+                                value,
+                                $"stcn.settings.source.{value}",
+                                value))
+                            .ToArray(),
+                        GetExtraValue = snapshot => Stcn24ForumSourceTypes.Normalize(snapshot.Stcn24ForumSourceType),
+                        SetExtraValue = (snapshot, value) => snapshot.Stcn24ForumSourceType = Stcn24ForumSourceTypes.Normalize(value),
+                        ChangedKeys =
+                        [
+                            nameof(ComponentSettingsSnapshot.Stcn24ForumAutoRefreshEnabled),
+                            nameof(ComponentSettingsSnapshot.Stcn24ForumAutoRefreshIntervalMinutes),
+                            nameof(ComponentSettingsSnapshot.Stcn24ForumSourceType)
+                        ]
+                    }))
+        };
+
+        foreach (var componentId in GetBuiltInDesktopComponentIds(componentRegistry))
+        {
+            if (registrations.ContainsKey(componentId))
+            {
+                continue;
+            }
+
+            registrations[componentId] = new DesktopComponentEditorRegistration(
+                componentId,
+                context => new InformationalComponentEditor(
+                    context,
+                    $"This {context.Definition.DisplayName} component currently exposes instance-scoped editor metadata only."));
+        }
+
+        return registrations.Values;
+    }
+
+    private static IEnumerable<string> GetBuiltInDesktopComponentIds(ComponentRegistry componentRegistry)
+    {
+        return typeof(BuiltInComponentIds)
+            .GetFields(BindingFlags.Public | BindingFlags.Static)
+            .Where(field => field.FieldType == typeof(string))
+            .Select(field => field.GetRawConstantValue() as string)
+            .Where(id => !string.IsNullOrWhiteSpace(id))
+            .Select(id => id!)
+            .Where(id => componentRegistry.TryGetDefinition(id, out var definition) && definition.AllowDesktopPlacement)
+            .Distinct(StringComparer.OrdinalIgnoreCase);
+    }
+
+    private static DesktopComponentEditorRegistration CreateWeatherRegistration(string componentId)
+    {
+        return new DesktopComponentEditorRegistration(
+            componentId,
+            context => new ToggleIntervalComponentEditor(
+                context,
+                new ToggleIntervalComponentEditorOptions
+                {
+                    DescriptionKey = "weather.settings.desc",
+                    DescriptionFallback = "Configure weather auto refresh for this component instance.",
+                    ToggleLabelKey = "weather.settings.auto_refresh",
+                    ToggleLabelFallback = "Auto refresh",
+                    ToggleDescriptionKey = "component.editor.instance_scope",
+                    ToggleDescriptionFallback = "Changes are stored per component instance.",
+                    IntervalLabelKey = "weather.settings.refresh_interval",
+                    IntervalLabelFallback = "Refresh interval",
+                    DefaultInterval = 12,
+                    GetEnabled = snapshot => snapshot.WeatherAutoRefreshEnabled,
+                    SetEnabled = (snapshot, value) => snapshot.WeatherAutoRefreshEnabled = value,
+                    GetInterval = snapshot => snapshot.WeatherAutoRefreshIntervalMinutes,
+                    SetInterval = (snapshot, value) => snapshot.WeatherAutoRefreshIntervalMinutes = value,
+                    ChangedKeys =
+                    [
+                        nameof(ComponentSettingsSnapshot.WeatherAutoRefreshEnabled),
+                        nameof(ComponentSettingsSnapshot.WeatherAutoRefreshIntervalMinutes)
+                    ]
+                }));
+    }
+
+    private static DesktopComponentEditorRegistration CreateDailyWordRegistration(string componentId)
+    {
+        return new DesktopComponentEditorRegistration(
+            componentId,
+            context => new ToggleIntervalComponentEditor(
+                context,
+                new ToggleIntervalComponentEditorOptions
+                {
+                    DescriptionKey = "dailyword.settings.desc",
+                    DescriptionFallback = "Configure auto refresh for this Daily Word component.",
+                    ToggleLabelKey = "dailyword.settings.auto_refresh",
+                    ToggleLabelFallback = "Auto refresh",
+                    ToggleDescriptionKey = "component.editor.instance_scope",
+                    ToggleDescriptionFallback = "Changes are stored per component instance.",
+                    IntervalLabelKey = "dailyword.settings.refresh_interval",
+                    IntervalLabelFallback = "Refresh interval",
+                    DefaultInterval = 360,
+                    GetEnabled = snapshot => snapshot.DailyWordAutoRefreshEnabled,
+                    SetEnabled = (snapshot, value) => snapshot.DailyWordAutoRefreshEnabled = value,
+                    GetInterval = snapshot => snapshot.DailyWordAutoRefreshIntervalMinutes,
+                    SetInterval = (snapshot, value) => snapshot.DailyWordAutoRefreshIntervalMinutes = value,
+                    ChangedKeys =
+                    [
+                        nameof(ComponentSettingsSnapshot.DailyWordAutoRefreshEnabled),
+                        nameof(ComponentSettingsSnapshot.DailyWordAutoRefreshIntervalMinutes)
+                    ]
+                }));
+    }
+
+    private static Control CreatePluginEditor(
+        PluginDesktopComponentEditorContribution contribution,
+        DesktopComponentEditorContext context)
+    {
+        var settingsService = contribution.Plugin.Services.GetService(typeof(ISettingsService)) as ISettingsService
+            ?? context.SettingsService;
+        var pluginSettings = new PluginScopedSettingsService(
+            contribution.Plugin.Manifest.Id,
+            settingsService);
+        var pluginContext = new PluginDesktopComponentEditorContext(
+            contribution.Plugin.Manifest,
+            contribution.Plugin.Context.PluginDirectory,
+            contribution.Plugin.Context.DataDirectory,
+            contribution.Plugin.Services,
+            contribution.Plugin.Context.Properties,
+            context.ComponentId,
+            context.PlacementId,
+            pluginSettings,
+            context.HostContext);
+
+        return contribution.Registration.EditorFactory(contribution.Plugin.Services, pluginContext);
+    }
+}

LanMountainDesktop/Services/IWeatherDataService.cs

@@ -34,6 +34,12 @@ public sealed record WeatherQueryResult<T>(
 public interface IWeatherInfoService
 {
     Task<WeatherQueryResult<WeatherSnapshot>> GetWeatherAsync(WeatherQuery query, CancellationToken cancellationToken = default);
+
+    Task<WeatherQueryResult<WeatherLocation>> ResolveLocationAsync(
+        double latitude,
+        double longitude,
+        string? locale = null,
+        CancellationToken cancellationToken = default);
 }
 
 public interface IWeatherDataService : IWeatherInfoService

LanMountainDesktop/Services/LocationService.cs

@@ -0,0 +1,351 @@
+using System;
+using System.Linq;
+using System.Reflection;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace LanMountainDesktop.Services;
+
+public enum LocationFailureReason
+{
+    None = 0,
+    Unsupported = 1,
+    PermissionDenied = 2,
+    Disabled = 3,
+    Timeout = 4,
+    Cancelled = 5,
+    Unavailable = 6,
+    Unknown = 7
+}
+
+public readonly record struct LocationCoordinate(
+    double Latitude,
+    double Longitude,
+    double? AccuracyMeters = null);
+
+public sealed record LocationRequestResult(
+    bool Success,
+    bool IsSupported,
+    LocationCoordinate? Coordinate = null,
+    LocationFailureReason FailureReason = LocationFailureReason.None,
+    string? ErrorMessage = null)
+{
+    public static LocationRequestResult Unsupported(string? errorMessage = null)
+        => new(false, false, null, LocationFailureReason.Unsupported, errorMessage);
+
+    public static LocationRequestResult Ok(LocationCoordinate coordinate)
+        => new(true, true, coordinate, LocationFailureReason.None, null);
+
+    public static LocationRequestResult Fail(LocationFailureReason reason, string? errorMessage = null)
+        => new(false, true, null, reason, errorMessage);
+}
+
+public interface ILocationService
+{
+    bool IsSupported { get; }
+
+    Task<LocationRequestResult> TryGetCurrentLocationAsync(CancellationToken cancellationToken = default);
+}
+
+public sealed class UnsupportedLocationService : ILocationService
+{
+    public bool IsSupported => false;
+
+    public Task<LocationRequestResult> TryGetCurrentLocationAsync(CancellationToken cancellationToken = default)
+    {
+        _ = cancellationToken;
+        return Task.FromResult(LocationRequestResult.Unsupported("Location service is not supported on this platform."));
+    }
+}
+
+public sealed class WindowsLocationService : ILocationService
+{
+    private static readonly Type? GeolocatorType = ResolveWinRtType("Windows.Devices.Geolocation.Geolocator");
+    private static readonly MethodInfo? RequestAccessAsyncMethod =
+        GeolocatorType?.GetMethod("RequestAccessAsync", BindingFlags.Public | BindingFlags.Static);
+    private static readonly MethodInfo? AsTaskGenericMethodDefinition = ResolveAsTaskGenericMethod();
+
+    public bool IsSupported =>
+        OperatingSystem.IsWindows() &&
+        GeolocatorType is not null &&
+        RequestAccessAsyncMethod is not null &&
+        AsTaskGenericMethodDefinition is not null;
+
+    public async Task<LocationRequestResult> TryGetCurrentLocationAsync(CancellationToken cancellationToken = default)
+    {
+        if (!IsSupported)
+        {
+            return LocationRequestResult.Unsupported();
+        }
+
+        try
+        {
+            var access = await AwaitWinRtOperationAsync(RequestAccessAsyncMethod!.Invoke(null, null), cancellationToken);
+            var accessText = access?.ToString();
+            if (string.Equals(accessText, "Denied", StringComparison.OrdinalIgnoreCase))
+            {
+                return LocationRequestResult.Fail(
+                    LocationFailureReason.PermissionDenied,
+                    "Location permission was denied by the system.");
+            }
+
+            if (string.Equals(accessText, "Unspecified", StringComparison.OrdinalIgnoreCase))
+            {
+                return LocationRequestResult.Fail(
+                    LocationFailureReason.Disabled,
+                    "Location access is unavailable on this device.");
+            }
+
+            var geolocator = Activator.CreateInstance(GeolocatorType!);
+            if (geolocator is null)
+            {
+                return LocationRequestResult.Fail(LocationFailureReason.Unavailable, "Failed to create a Windows geolocator instance.");
+            }
+
+            SetPropertyValue(geolocator, "DesiredAccuracyInMeters", (uint)50);
+            SetPropertyValue(geolocator, "MovementThreshold", 0d);
+            SetPropertyValue(geolocator, "ReportInterval", (uint)0);
+
+            var geoposition = await AwaitWinRtOperationAsync(
+                InvokeMethod(geolocator, "GetGeopositionAsync"),
+                cancellationToken);
+            if (geoposition is null)
+            {
+                return LocationRequestResult.Fail(LocationFailureReason.Unavailable, "Location request returned no position.");
+            }
+
+            var coordinate = GetPropertyValue(geoposition, "Coordinate");
+            var point = GetPropertyValue(coordinate, "Point");
+            var position = GetPropertyValue(point, "Position");
+
+            var latitude = ReadDoubleProperty(position, "Latitude");
+            var longitude = ReadDoubleProperty(position, "Longitude");
+            if (!latitude.HasValue || !longitude.HasValue)
+            {
+                return LocationRequestResult.Fail(LocationFailureReason.Unavailable, "Location coordinates are not available.");
+            }
+
+            var accuracy = ReadDoubleProperty(coordinate, "Accuracy");
+            return LocationRequestResult.Ok(new LocationCoordinate(latitude.Value, longitude.Value, accuracy));
+        }
+        catch (OperationCanceledException)
+        {
+            return LocationRequestResult.Fail(
+                cancellationToken.IsCancellationRequested ? LocationFailureReason.Cancelled : LocationFailureReason.Timeout,
+                "Location request was cancelled.");
+        }
+        catch (TargetInvocationException ex) when (ex.InnerException is not null)
+        {
+            return MapException(ex.InnerException);
+        }
+        catch (Exception ex)
+        {
+            return MapException(ex);
+        }
+    }
+
+    private static LocationRequestResult MapException(Exception ex)
+    {
+        if (ex is UnauthorizedAccessException)
+        {
+            return LocationRequestResult.Fail(LocationFailureReason.PermissionDenied, ex.Message);
+        }
+
+        if (ex is TimeoutException)
+        {
+            return LocationRequestResult.Fail(LocationFailureReason.Timeout, ex.Message);
+        }
+
+        var hr = ex.HResult;
+        if (hr == unchecked((int)0x80070422))
+        {
+            return LocationRequestResult.Fail(LocationFailureReason.Disabled, ex.Message);
+        }
+
+        return LocationRequestResult.Fail(LocationFailureReason.Unknown, ex.Message);
+    }
+
+    private static async Task<object?> AwaitWinRtOperationAsync(object? operation, CancellationToken cancellationToken)
+    {
+        if (operation is null || AsTaskGenericMethodDefinition is null)
+        {
+            return null;
+        }
+
+        var resultType = ResolveWinRtOperationResultType(operation.GetType());
+        if (resultType is null)
+        {
+            return null;
+        }
+
+        var asTaskMethod = AsTaskGenericMethodDefinition.MakeGenericMethod(resultType);
+        var taskObject = asTaskMethod.Invoke(null, [operation]) as Task;
+        if (taskObject is null)
+        {
+            return null;
+        }
+
+        await taskObject.WaitAsync(cancellationToken);
+        return taskObject
+            .GetType()
+            .GetProperty("Result", BindingFlags.Public | BindingFlags.Instance)?
+            .GetValue(taskObject);
+    }
+
+    private static Type? ResolveWinRtOperationResultType(Type operationType)
+    {
+        if (operationType.IsGenericType)
+        {
+            var genericArguments = operationType.GetGenericArguments();
+            if (genericArguments.Length == 1)
+            {
+                return genericArguments[0];
+            }
+        }
+
+        foreach (var iface in operationType.GetInterfaces())
+        {
+            if (!iface.IsGenericType)
+            {
+                continue;
+            }
+
+            var genericTypeDef = iface.GetGenericTypeDefinition();
+            if (string.Equals(genericTypeDef.FullName, "Windows.Foundation.IAsyncOperation`1", StringComparison.Ordinal))
+            {
+                return iface.GetGenericArguments()[0];
+            }
+        }
+
+        return null;
+    }
+
+    private static MethodInfo? ResolveAsTaskGenericMethod()
+    {
+        try
+        {
+            var type = Type.GetType("System.WindowsRuntimeSystemExtensions, System.Runtime.WindowsRuntime", throwOnError: false);
+            if (type is null)
+            {
+                return null;
+            }
+
+            foreach (var method in type.GetMethods(BindingFlags.Public | BindingFlags.Static))
+            {
+                try
+                {
+                    if (!string.Equals(method.Name, "AsTask", StringComparison.Ordinal) ||
+                        !method.IsGenericMethodDefinition)
+                    {
+                        continue;
+                    }
+
+                    var parameters = method.GetParameters();
+                    if (parameters.Length == 1)
+                    {
+                        return method;
+                    }
+                }
+                catch (PlatformNotSupportedException)
+                {
+                    // Some WinRT bridge overloads throw during metadata inspection on unsupported runtimes.
+                }
+                catch
+                {
+                    // Ignore unusable overloads and keep probing for a compatible AsTask<T>.
+                }
+            }
+        }
+        catch
+        {
+            // If the WinRT bridge is unavailable, the location service will gracefully report unsupported.
+        }
+
+        return null;
+    }
+
+    private static Type? ResolveWinRtType(string typeName)
+    {
+        return Type.GetType($"{typeName}, Windows, ContentType=WindowsRuntime", throwOnError: false);
+    }
+
+    private static object? InvokeMethod(object? target, string methodName)
+    {
+        return target?.GetType().GetMethod(methodName, BindingFlags.Public | BindingFlags.Instance)?.Invoke(target, null);
+    }
+
+    private static object? GetPropertyValue(object? target, string propertyName)
+    {
+        return target?.GetType().GetProperty(propertyName, BindingFlags.Public | BindingFlags.Instance)?.GetValue(target);
+    }
+
+    private static void SetPropertyValue(object target, string propertyName, object value)
+    {
+        var property = target.GetType().GetProperty(propertyName, BindingFlags.Public | BindingFlags.Instance);
+        if (property is null || !property.CanWrite)
+        {
+            return;
+        }
+
+        try
+        {
+            property.SetValue(target, value);
+        }
+        catch
+        {
+        }
+    }
+
+    private static double? ReadDoubleProperty(object? target, string propertyName)
+    {
+        var value = GetPropertyValue(target, propertyName);
+        if (value is null)
+        {
+            return null;
+        }
+
+        try
+        {
+            return Convert.ToDouble(value);
+        }
+        catch
+        {
+            return null;
+        }
+    }
+}
+
+internal static class HostLocationServiceProvider
+{
+    private static readonly object Gate = new();
+    private static ILocationService? _instance;
+
+    public static ILocationService GetOrCreate()
+    {
+        lock (Gate)
+        {
+            if (_instance is not null)
+            {
+                return _instance;
+            }
+
+            if (!OperatingSystem.IsWindows())
+            {
+                _instance = new UnsupportedLocationService();
+                return _instance;
+            }
+
+            try
+            {
+                _instance = new WindowsLocationService();
+            }
+            catch (Exception ex)
+            {
+                AppLogger.Warn("Location", "Failed to initialize Windows location service. Falling back to unsupported mode.", ex);
+                _instance = new UnsupportedLocationService();
+            }
+
+            return _instance;
+        }
+    }
+}

LanMountainDesktop/Services/Settings/SettingsContracts.cs

@@ -120,12 +120,27 @@ public interface IWeatherProvider
     Task<WeatherQueryResult<WeatherSnapshot>> GetWeatherAsync(
         WeatherQuery query,
         CancellationToken cancellationToken = default);
+
+    Task<WeatherQueryResult<WeatherLocation>> ResolveLocationAsync(
+        double latitude,
+        double longitude,
+        string? locale = null,
+        CancellationToken cancellationToken = default);
 }
 
 public interface IWeatherSettingsService
 {
     WeatherSettingsState Get();
     void Save(WeatherSettingsState state);
+    Task<WeatherQueryResult<IReadOnlyList<WeatherLocation>>> SearchLocationsAsync(
+        string keyword,
+        string? locale = null,
+        CancellationToken cancellationToken = default);
+    Task<WeatherQueryResult<WeatherLocation>> ResolveLocationAsync(
+        double latitude,
+        double longitude,
+        string? locale = null,
+        CancellationToken cancellationToken = default);
     IWeatherInfoService GetWeatherInfoService();
 }
 

LanMountainDesktop/Services/Settings/SettingsDomainServices.cs

@@ -350,6 +350,15 @@ internal sealed class WeatherProviderAdapter : IWeatherProvider, IWeatherInfoSer
         return _weatherDataService.GetWeatherAsync(query, cancellationToken);
     }
 
+    public Task<WeatherQueryResult<WeatherLocation>> ResolveLocationAsync(
+        double latitude,
+        double longitude,
+        string? locale = null,
+        CancellationToken cancellationToken = default)
+    {
+        return _weatherDataService.ResolveLocationAsync(latitude, longitude, locale, cancellationToken);
+    }
+
     public void Dispose()
     {
         if (_weatherDataService is IDisposable disposable)
@@ -380,7 +389,7 @@ internal sealed class WeatherSettingsService : IWeatherSettingsService, IDisposa
             snapshot.WeatherLongitude,
             snapshot.WeatherAutoRefreshLocation,
             snapshot.WeatherExcludedAlerts,
-            snapshot.WeatherIconPackId,
+            NormalizeIconPackId(snapshot.WeatherIconPackId),
             snapshot.WeatherNoTlsRequests,
             snapshot.WeatherLocationQuery);
     }
@@ -395,7 +404,7 @@ internal sealed class WeatherSettingsService : IWeatherSettingsService, IDisposa
         snapshot.WeatherLongitude = state.Longitude;
         snapshot.WeatherAutoRefreshLocation = state.AutoRefreshLocation;
         snapshot.WeatherExcludedAlerts = state.ExcludedAlerts;
-        snapshot.WeatherIconPackId = state.IconPackId;
+        snapshot.WeatherIconPackId = NormalizeIconPackId(state.IconPackId);
         snapshot.WeatherNoTlsRequests = state.NoTlsRequests;
         snapshot.WeatherLocationQuery = state.LocationQuery;
         _settingsService.SaveSnapshot(
@@ -416,6 +425,23 @@ internal sealed class WeatherSettingsService : IWeatherSettingsService, IDisposa
             ]);
     }
 
+    public Task<WeatherQueryResult<IReadOnlyList<WeatherLocation>>> SearchLocationsAsync(
+        string keyword,
+        string? locale = null,
+        CancellationToken cancellationToken = default)
+    {
+        return _weatherProvider.SearchLocationsAsync(keyword, locale, cancellationToken);
+    }
+
+    public Task<WeatherQueryResult<WeatherLocation>> ResolveLocationAsync(
+        double latitude,
+        double longitude,
+        string? locale = null,
+        CancellationToken cancellationToken = default)
+    {
+        return _weatherProvider.ResolveLocationAsync(latitude, longitude, locale, cancellationToken);
+    }
+
     public IWeatherInfoService GetWeatherInfoService()
     {
         return _weatherProvider;
@@ -425,6 +451,13 @@ internal sealed class WeatherSettingsService : IWeatherSettingsService, IDisposa
     {
         _weatherProvider.Dispose();
     }
+
+    private static string NormalizeIconPackId(string? iconPackId)
+    {
+        return string.IsNullOrWhiteSpace(iconPackId)
+            ? "HyperOS3"
+            : "HyperOS3";
+    }
 }
 
 internal sealed class RegionSettingsService : IRegionSettingsService

LanMountainDesktop/Services/Settings/SettingsPageRegistry.cs

@@ -5,6 +5,7 @@ using System.Reflection;
 using Avalonia.Controls;
 using LanMountainDesktop.PluginSdk;
 using LanMountainDesktop.Plugins;
+using LanMountainDesktop.Services;
 using LanMountainDesktop.ViewModels;
 using LanMountainDesktop.Views.SettingsPages;
 using Microsoft.Extensions.DependencyInjection;
@@ -177,6 +178,8 @@ internal sealed class SettingsPageRegistry : ISettingsPageRegistry, IDisposable
         services.AddSingleton(_settingsFacade.Catalog);
         services.AddSingleton(_hostApplicationLifecycle);
         services.AddSingleton(_localizationService);
+        services.AddSingleton<ILocationService>(_ => HostLocationServiceProvider.GetOrCreate());
+        services.AddSingleton<WeatherLocationRefreshService>();
 
         var pluginRuntime = _pluginRuntimeAccessor();
         if (pluginRuntime is not null)

LanMountainDesktop/Services/WeatherLocationRefreshService.cs

@@ -0,0 +1,158 @@
+using System;
+using System.Globalization;
+using System.Threading;
+using System.Threading.Tasks;
+using LanMountainDesktop.Models;
+using LanMountainDesktop.Services.Settings;
+
+namespace LanMountainDesktop.Services;
+
+public sealed record WeatherLocationRefreshResult(
+    bool Success,
+    bool IsSupported,
+    WeatherSettingsState? AppliedState = null,
+    WeatherLocation? ResolvedLocation = null,
+    LocationRequestResult? LocationResult = null,
+    string? ErrorMessage = null)
+{
+    public static WeatherLocationRefreshResult Unsupported(LocationRequestResult result)
+        => new(false, false, null, null, result, result.ErrorMessage);
+
+    public static WeatherLocationRefreshResult Fail(LocationRequestResult? locationResult, string? errorMessage)
+        => new(false, locationResult?.IsSupported ?? true, null, null, locationResult, errorMessage);
+
+    public static WeatherLocationRefreshResult Ok(
+        WeatherSettingsState state,
+        WeatherLocation? resolvedLocation,
+        LocationRequestResult locationResult)
+        => new(true, true, state, resolvedLocation, locationResult, null);
+}
+
+public sealed class WeatherLocationRefreshService
+{
+    private readonly ISettingsFacadeService _settingsFacade;
+    private readonly ILocationService _locationService;
+    private readonly LocalizationService _localizationService;
+
+    public WeatherLocationRefreshService(
+        ISettingsFacadeService settingsFacade,
+        ILocationService locationService,
+        LocalizationService localizationService)
+    {
+        _settingsFacade = settingsFacade ?? throw new ArgumentNullException(nameof(settingsFacade));
+        _locationService = locationService ?? throw new ArgumentNullException(nameof(locationService));
+        _localizationService = localizationService ?? throw new ArgumentNullException(nameof(localizationService));
+    }
+
+    public bool IsSupported => _locationService.IsSupported;
+
+    public async Task<WeatherLocationRefreshResult> RefreshCurrentLocationAsync(CancellationToken cancellationToken = default)
+    {
+        var locationResult = await _locationService.TryGetCurrentLocationAsync(cancellationToken);
+        if (!locationResult.IsSupported)
+        {
+            return WeatherLocationRefreshResult.Unsupported(locationResult);
+        }
+
+        if (!locationResult.Success || locationResult.Coordinate is null)
+        {
+            return WeatherLocationRefreshResult.Fail(locationResult, locationResult.ErrorMessage);
+        }
+
+        var coordinate = locationResult.Coordinate.Value;
+        var settingsState = _settingsFacade.Weather.Get();
+        var languageCode = _settingsFacade.Region.Get().LanguageCode;
+        var locale = NormalizeWeatherLocale(languageCode);
+
+        WeatherLocation? resolvedLocation = null;
+        var weatherService = _settingsFacade.Weather.GetWeatherInfoService();
+        var resolvedResult = await weatherService.ResolveLocationAsync(
+            coordinate.Latitude,
+            coordinate.Longitude,
+            locale,
+            cancellationToken);
+        if (resolvedResult.Success && resolvedResult.Data is not null)
+        {
+            resolvedLocation = resolvedResult.Data;
+        }
+
+        var locationKey = resolvedLocation?.LocationKey?.Trim();
+        if (string.IsNullOrWhiteSpace(locationKey))
+        {
+            locationKey = BuildCoordinateKey(coordinate.Latitude, coordinate.Longitude);
+        }
+
+        var locationName = resolvedLocation?.Name?.Trim();
+        if (string.IsNullOrWhiteSpace(locationName))
+        {
+            locationName = BuildCoordinateDisplayName(languageCode, coordinate.Latitude, coordinate.Longitude);
+        }
+
+        var nextState = settingsState with
+        {
+            LocationMode = "Coordinates",
+            LocationKey = locationKey,
+            LocationName = locationName,
+            Latitude = Math.Round(coordinate.Latitude, 6),
+            Longitude = Math.Round(coordinate.Longitude, 6),
+            LocationQuery = resolvedLocation?.Name?.Trim() ?? settingsState.LocationQuery,
+            IconPackId = NormalizeIconPackId(settingsState.IconPackId)
+        };
+
+        _settingsFacade.Weather.Save(nextState);
+        return WeatherLocationRefreshResult.Ok(nextState, resolvedLocation, locationResult);
+    }
+
+    public async Task<bool> TryRefreshOnStartupAsync(CancellationToken cancellationToken = default)
+    {
+        var state = _settingsFacade.Weather.Get();
+        var isCoordinatesMode = string.Equals(state.LocationMode, "Coordinates", StringComparison.OrdinalIgnoreCase);
+        if (!isCoordinatesMode || !state.AutoRefreshLocation)
+        {
+            return false;
+        }
+
+        var result = await RefreshCurrentLocationAsync(cancellationToken);
+        if (!result.Success)
+        {
+            AppLogger.Warn(
+                "Weather.Location",
+                $"Automatic weather location refresh failed. Reason='{result.LocationResult?.FailureReason}'. Message='{result.ErrorMessage ?? "<none>"}'.");
+        }
+
+        return result.Success;
+    }
+
+    private static string NormalizeIconPackId(string? iconPackId)
+    {
+        return string.IsNullOrWhiteSpace(iconPackId)
+            ? "HyperOS3"
+            : "HyperOS3";
+    }
+
+    private string BuildCoordinateDisplayName(string? languageCode, double latitude, double longitude)
+    {
+        var normalizedLanguage = _localizationService.NormalizeLanguageCode(languageCode);
+        var format = _localizationService.GetString(
+            normalizedLanguage,
+            "settings.weather.coordinates_default_name_format",
+            "Coordinate {0:F4}, {1:F4}");
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            format,
+            latitude,
+            longitude);
+    }
+
+    private static string BuildCoordinateKey(double latitude, double longitude)
+    {
+        return FormattableString.Invariant($"coord:{latitude:F4},{longitude:F4}");
+    }
+
+    private static string NormalizeWeatherLocale(string? languageCode)
+    {
+        return string.Equals(languageCode, "en-US", StringComparison.OrdinalIgnoreCase)
+            ? "en_us"
+            : "zh_cn";
+    }
+}

LanMountainDesktop/Services/XiaomiWeatherService.cs

@@ -18,6 +18,8 @@ public sealed record XiaomiWeatherApiOptions
 
     public string CitySearchPath { get; init; } = "/wtr-v3/location/city/search";
 
+    public string CityGeoPath { get; init; } = "/wtr-v3/location/city/geo";
+
     public string AppKey { get; init; } = "weather20151024";
 
     public string Sign { get; init; } = "zUFJoAR2ZVrDy1vF3D07";
@@ -173,6 +175,63 @@ public sealed class XiaomiWeatherService : IWeatherDataService, IDisposable
         }
     }
 
+    public async Task<WeatherQueryResult<WeatherLocation>> ResolveLocationAsync(
+        double latitude,
+        double longitude,
+        string? locale = null,
+        CancellationToken cancellationToken = default)
+    {
+        var normalizedLocale = string.IsNullOrWhiteSpace(locale) ? _options.Locale : locale.Trim();
+        var parameters = new Dictionary<string, string>
+        {
+            ["longitude"] = longitude.ToString("F6", CultureInfo.InvariantCulture),
+            ["latitude"] = latitude.ToString("F6", CultureInfo.InvariantCulture),
+            ["locale"] = normalizedLocale
+        };
+
+        var requestUri = BuildUri(_options.CityGeoPath, parameters);
+        string responseText;
+
+        try
+        {
+            using var response = await _httpClient.GetAsync(requestUri, cancellationToken);
+            responseText = await response.Content.ReadAsStringAsync(cancellationToken);
+            if (!response.IsSuccessStatusCode)
+            {
+                return WeatherQueryResult<WeatherLocation>.Fail(
+                    "http_error",
+                    $"HTTP {(int)response.StatusCode}: {Truncate(responseText, 180)}");
+            }
+        }
+        catch (OperationCanceledException)
+        {
+            throw;
+        }
+        catch (Exception ex)
+        {
+            return WeatherQueryResult<WeatherLocation>.Fail("network_error", ex.Message);
+        }
+
+        try
+        {
+            using var document = JsonDocument.Parse(responseText);
+            var root = document.RootElement;
+            if (TryGetProperty(root, out var dataNode, "data"))
+            {
+                root = dataNode;
+            }
+
+            var location = ParseSingleLocation(root, latitude, longitude);
+            return location is null
+                ? WeatherQueryResult<WeatherLocation>.Fail("not_found", "No weather location could be resolved from the provided coordinates.")
+                : WeatherQueryResult<WeatherLocation>.Ok(location);
+        }
+        catch (Exception ex)
+        {
+            return WeatherQueryResult<WeatherLocation>.Fail("parse_error", ex.Message);
+        }
+    }
+
     public async Task<WeatherQueryResult<WeatherSnapshot>> GetWeatherAsync(
         WeatherQuery query,
         CancellationToken cancellationToken = default)
@@ -285,6 +344,44 @@ public sealed class XiaomiWeatherService : IWeatherDataService, IDisposable
         return results;
     }
 
+    private static WeatherLocation? ParseSingleLocation(JsonElement root, double latitude, double longitude)
+    {
+        if (TryResolveLocationArray(root, out var locationArray))
+        {
+            foreach (var item in locationArray.EnumerateArray())
+            {
+                var location = ParseLocationItem(item);
+                if (location is not null)
+                {
+                    return location;
+                }
+            }
+
+            return null;
+        }
+
+        return ParseLocationItem(root, latitude, longitude);
+    }
+
+    private static WeatherLocation? ParseLocationItem(JsonElement item, double? fallbackLatitude = null, double? fallbackLongitude = null)
+    {
+        var locationKey = ReadString(item, "locationKey") ??
+                          ReadString(item, "key") ??
+                          ReadString(item, "id");
+        if (string.IsNullOrWhiteSpace(locationKey))
+        {
+            return null;
+        }
+
+        var name = ReadString(item, "name") ??
+                   ReadString(item, "city") ??
+                   locationKey;
+        var affiliation = ReadString(item, "affiliation") ?? ReadString(item, "province");
+        var latitude = ReadDouble(item, "latitude") ?? fallbackLatitude ?? 0;
+        var longitude = ReadDouble(item, "longitude") ?? fallbackLongitude ?? 0;
+        return new WeatherLocation(name, locationKey, latitude, longitude, affiliation);
+    }
+
     private WeatherSnapshot ParseWeatherSnapshot(
         JsonElement root,
         string locationKey,

LanMountainDesktop/Styles/ComponentEditorThemeResources.axaml

@@ -0,0 +1,175 @@
+<Styles xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <Style Selector="Window.component-editor-window">
+        <Setter Property="Background" Value="{DynamicResource EditorWindowBackgroundBrush}" />
+    </Style>
+
+    <Style Selector="Window.component-editor-window TextBlock">
+        <Setter Property="Foreground" Value="{DynamicResource ComponentEditorPrimaryTextBrush}" />
+    </Style>
+
+    <Style Selector="Window.component-editor-window PathIcon">
+        <Setter Property="Foreground" Value="{DynamicResource ComponentEditorPrimaryTextBrush}" />
+    </Style>
+
+    <Style Selector="ComboBox.component-editor-select">
+        <Setter Property="Foreground" Value="{DynamicResource ComponentEditorPrimaryTextBrush}" />
+        <Setter Property="Background" Value="{DynamicResource EditorSelectFieldBackgroundBrush}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource EditorSelectOutlineBrush}" />
+        <Setter Property="BorderThickness" Value="1" />
+        <Setter Property="CornerRadius" Value="18" />
+        <Setter Property="Padding" Value="16,14,12,14" />
+        <Setter Property="MinHeight" Value="56" />
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="HorizontalContentAlignment" Value="Stretch" />
+        <Setter Property="VerticalContentAlignment" Value="Center" />
+    </Style>
+
+    <Style Selector="ComboBox.component-editor-select:pointerover">
+        <Setter Property="Background" Value="{DynamicResource EditorSelectFieldHoverBrush}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource EditorSelectOutlineStrongBrush}" />
+    </Style>
+
+    <Style Selector="ComboBox.component-editor-select:focus">
+        <Setter Property="Background" Value="{DynamicResource EditorSelectFieldFocusBrush}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource EditorSelectOutlineStrongBrush}" />
+    </Style>
+
+    <Style Selector="ComboBox.component-editor-select /template/ ToggleButton">
+        <Setter Property="Background" Value="{DynamicResource EditorSelectFieldBackgroundBrush}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource EditorSelectOutlineBrush}" />
+        <Setter Property="BorderThickness" Value="1" />
+        <Setter Property="CornerRadius" Value="18" />
+        <Setter Property="Padding" Value="16,14,12,14" />
+        <Setter Property="MinHeight" Value="56" />
+        <Setter Property="Foreground" Value="{DynamicResource ComponentEditorPrimaryTextBrush}" />
+    </Style>
+
+    <Style Selector="ComboBox.component-editor-select:pointerover /template/ ToggleButton">
+        <Setter Property="Background" Value="{DynamicResource EditorSelectFieldHoverBrush}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource EditorSelectOutlineStrongBrush}" />
+    </Style>
+
+    <Style Selector="ComboBox.component-editor-select:focus /template/ ToggleButton">
+        <Setter Property="Background" Value="{DynamicResource EditorSelectFieldFocusBrush}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource EditorSelectOutlineStrongBrush}" />
+    </Style>
+
+    <Style Selector="ComboBoxItem.component-editor-select-item">
+        <Setter Property="Foreground" Value="{DynamicResource ComponentEditorPrimaryTextBrush}" />
+        <Setter Property="Background" Value="Transparent" />
+        <Setter Property="Padding" Value="16,12" />
+        <Setter Property="Margin" Value="6,4" />
+        <Setter Property="CornerRadius" Value="14" />
+        <Setter Property="MinHeight" Value="44" />
+    </Style>
+
+    <Style Selector="ComboBoxItem.component-editor-select-item:pointerover">
+        <Setter Property="Background" Value="{DynamicResource EditorSelectMenuItemHoverBrush}" />
+    </Style>
+
+    <Style Selector="ComboBoxItem.component-editor-select-item:selected">
+        <Setter Property="Background" Value="{DynamicResource EditorSelectMenuItemSelectedBrush}" />
+        <Setter Property="Foreground" Value="{DynamicResource ComponentEditorPrimaryTextBrush}" />
+    </Style>
+
+    <Style Selector="Window.component-editor-window RadioButton">
+        <Setter Property="Foreground" Value="{DynamicResource ComponentEditorPrimaryTextBrush}" />
+    </Style>
+
+    <Style Selector="Window.component-editor-window ToggleSwitch">
+        <Setter Property="Foreground" Value="{DynamicResource ComponentEditorPrimaryTextBrush}" />
+    </Style>
+
+    <Style Selector="Border.component-editor-segmented-host">
+        <Setter Property="Background" Value="{DynamicResource EditorSurfaceContainerHighBrush}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource EditorSelectOutlineBrush}" />
+        <Setter Property="BorderThickness" Value="1" />
+        <Setter Property="CornerRadius" Value="20" />
+        <Setter Property="Padding" Value="4" />
+    </Style>
+
+    <Style Selector="ToggleButton.component-editor-segmented-choice">
+        <Setter Property="Background" Value="Transparent" />
+        <Setter Property="BorderBrush" Value="Transparent" />
+        <Setter Property="BorderThickness" Value="0" />
+        <Setter Property="CornerRadius" Value="16" />
+        <Setter Property="Padding" Value="18,12" />
+        <Setter Property="MinHeight" Value="48" />
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="FontWeight" Value="SemiBold" />
+        <Setter Property="Foreground" Value="{DynamicResource ComponentEditorSecondaryTextBrush}" />
+        <Setter Property="HorizontalContentAlignment" Value="Center" />
+        <Setter Property="VerticalContentAlignment" Value="Center" />
+    </Style>
+
+    <Style Selector="ToggleButton.component-editor-segmented-choice:pointerover">
+        <Setter Property="Background" Value="{DynamicResource EditorSelectMenuItemHoverBrush}" />
+        <Setter Property="Foreground" Value="{DynamicResource ComponentEditorPrimaryTextBrush}" />
+    </Style>
+
+    <Style Selector="ToggleButton.component-editor-segmented-choice:checked">
+        <Setter Property="Background" Value="{DynamicResource EditorPrimaryBrush}" />
+        <Setter Property="Foreground" Value="{DynamicResource EditorOnPrimaryBrush}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource EditorPrimaryBrush}" />
+        <Setter Property="BorderThickness" Value="1" />
+    </Style>
+
+    <Style Selector="ToggleButton.component-editor-segmented-choice:checked:pointerover">
+        <Setter Property="Background" Value="{DynamicResource EditorPrimaryBrush}" />
+        <Setter Property="Foreground" Value="{DynamicResource EditorOnPrimaryBrush}" />
+    </Style>
+
+    <Style Selector="Border.component-editor-hero-card">
+        <Setter Property="Background" Value="{DynamicResource ComponentEditorHeroBackgroundBrush}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource ComponentEditorCardBorderBrush}" />
+        <Setter Property="BorderThickness" Value="1" />
+        <Setter Property="CornerRadius" Value="28" />
+    </Style>
+
+    <Style Selector="Border.component-editor-card">
+        <Setter Property="Background" Value="{DynamicResource ComponentEditorCardBackgroundBrush}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource ComponentEditorCardBorderBrush}" />
+        <Setter Property="BorderThickness" Value="1" />
+        <Setter Property="CornerRadius" Value="24" />
+    </Style>
+
+    <Style Selector="TextBlock.component-editor-headline">
+        <Setter Property="FontSize" Value="22" />
+        <Setter Property="FontWeight" Value="Normal" />
+    </Style>
+
+    <Style Selector="TextBlock.component-editor-section-title">
+        <Setter Property="FontSize" Value="14" />
+        <Setter Property="FontWeight" Value="Medium" />
+        <Setter Property="Foreground" Value="{DynamicResource EditorPrimaryBrush}" />
+    </Style>
+
+    <Style Selector="TextBlock.component-editor-secondary-text">
+        <Setter Property="Foreground" Value="{DynamicResource ComponentEditorSecondaryTextBrush}" />
+        <Setter Property="FontSize" Value="14" />
+    </Style>
+
+    <Style Selector="Button.component-editor-titlebar-button">
+        <Setter Property="Width" Value="36" />
+        <Setter Property="Height" Value="36" />
+        <Setter Property="Padding" Value="0" />
+        <Setter Property="Background" Value="Transparent" />
+        <Setter Property="BorderBrush" Value="Transparent" />
+        <Setter Property="BorderThickness" Value="0" />
+        <Setter Property="Foreground" Value="{DynamicResource ComponentEditorPrimaryTextBrush}" />
+    </Style>
+
+    <Style Selector="Button.component-editor-titlebar-button:pointerover">
+        <Setter Property="Background" Value="{DynamicResource EditorTitleBarButtonHoverBrush}" />
+    </Style>
+
+    <Style Selector="Button.component-editor-footer-button">
+        <Setter Property="MinWidth" Value="96" />
+        <Setter Property="Padding" Value="16,10" />
+    </Style>
+
+    <Style Selector="ScrollViewer.component-editor-scroll-host">
+        <Setter Property="Background" Value="Transparent" />
+    </Style>
+</Styles>

LanMountainDesktop/Styles/SettingsCardStyles.axaml

@@ -1,6 +1,7 @@
 <Styles xmlns="https://github.com/avaloniaui"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        xmlns:ui="using:FluentAvalonia.UI.Controls">
+        xmlns:ui="using:FluentAvalonia.UI.Controls"
+        xmlns:fi="using:FluentIcons.Avalonia.Fluent">
 
     <Style Selector="StackPanel.settings-page-container">
         <Setter Property="Spacing" Value="0" />
@@ -189,6 +190,41 @@
         <Setter Property="Padding" Value="14,8" />
     </Style>
 
+    <Style Selector="ListBox.weather-settings-search-results">
+        <Setter Property="Background" Value="Transparent" />
+        <Setter Property="BorderThickness" Value="0" />
+        <Setter Property="Padding" Value="0" />
+        <Setter Property="Margin" Value="0,2,0,0" />
+    </Style>
+
+    <Style Selector="ListBox.weather-settings-search-results ListBoxItem">
+        <Setter Property="Background" Value="{DynamicResource AdaptiveSurfaceRaisedBrush}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource AdaptiveGlassPanelBorderBrush}" />
+        <Setter Property="BorderThickness" Value="1" />
+        <Setter Property="CornerRadius" Value="12" />
+        <Setter Property="Padding" Value="14,12" />
+        <Setter Property="Margin" Value="0,0,0,8" />
+        <Setter Property="HorizontalContentAlignment" Value="Stretch" />
+    </Style>
+
+    <Style Selector="ListBox.weather-settings-search-results ListBoxItem:pointerover">
+        <Setter Property="Background" Value="{DynamicResource AdaptiveButtonBackgroundBrush}" />
+    </Style>
+
+    <Style Selector="ListBox.weather-settings-search-results ListBoxItem:selected">
+        <Setter Property="Background" Value="{DynamicResource AdaptiveAccentBrush}" />
+        <Setter Property="BorderBrush" Value="{DynamicResource AdaptiveAccentBrush}" />
+        <Setter Property="Foreground" Value="{DynamicResource AdaptiveOnAccentBrush}" />
+    </Style>
+
+    <Style Selector="ListBox.weather-settings-search-results ListBoxItem:selected TextBlock.settings-item-label, ListBox.weather-settings-search-results ListBoxItem:selected TextBlock.settings-item-description">
+        <Setter Property="Foreground" Value="{DynamicResource AdaptiveOnAccentBrush}" />
+    </Style>
+
+    <Style Selector="ListBox.weather-settings-search-results ListBoxItem:selected fi|SymbolIcon">
+        <Setter Property="Foreground" Value="{DynamicResource AdaptiveOnAccentBrush}" />
+    </Style>
+
     <Style Selector="Button.settings-accent-button">
         <Setter Property="Background" Value="{DynamicResource AdaptiveAccentBrush}" />
         <Setter Property="Foreground" Value="{DynamicResource AdaptiveOnAccentBrush}" />

LanMountainDesktop/ViewModels/LauncherSettingsPageViewModel.cs

@@ -0,0 +1,365 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using Avalonia.Threading;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using FluentIcons.Common;
+using LanMountainDesktop.Models;
+using LanMountainDesktop.PluginSdk;
+using LanMountainDesktop.Services;
+using LanMountainDesktop.Services.Settings;
+
+namespace LanMountainDesktop.ViewModels;
+
+public enum LauncherHiddenItemKind
+{
+    Folder,
+    Shortcut
+}
+
+public sealed partial class LauncherHiddenItemViewModel : ObservableObject
+{
+    private readonly Action<LauncherHiddenItemViewModel> _restoreAction;
+
+    public LauncherHiddenItemViewModel(
+        LauncherHiddenItemKind kind,
+        string key,
+        string displayName,
+        string typeLabel,
+        Symbol iconSymbol,
+        string restoreButtonText,
+        Action<LauncherHiddenItemViewModel> restoreAction)
+    {
+        Kind = kind;
+        Key = key;
+        DisplayName = displayName;
+        TypeLabel = typeLabel;
+        IconSymbol = iconSymbol;
+        RestoreButtonText = restoreButtonText;
+        _restoreAction = restoreAction ?? throw new ArgumentNullException(nameof(restoreAction));
+    }
+
+    public LauncherHiddenItemKind Kind { get; }
+
+    public string Key { get; }
+
+    public string DisplayName { get; }
+
+    public string TypeLabel { get; }
+
+    public Symbol IconSymbol { get; }
+
+    public string RestoreButtonText { get; }
+
+    [RelayCommand]
+    private void Restore()
+    {
+        _restoreAction(this);
+    }
+}
+
+public sealed partial class LauncherSettingsPageViewModel : ViewModelBase, IDisposable
+{
+    private readonly ISettingsFacadeService _settingsFacade;
+    private readonly LocalizationService _localizationService = new();
+    private readonly string _languageCode;
+    private bool _disposed;
+
+    public LauncherSettingsPageViewModel(ISettingsFacadeService settingsFacade)
+    {
+        _settingsFacade = settingsFacade ?? throw new ArgumentNullException(nameof(settingsFacade));
+        _languageCode = _localizationService.NormalizeLanguageCode(_settingsFacade.Region.Get().LanguageCode);
+
+        RefreshLocalizedText();
+        ReloadData();
+        _settingsFacade.Settings.Changed += OnSettingsChanged;
+    }
+
+    public ObservableCollection<LauncherHiddenItemViewModel> HiddenItems { get; } = [];
+
+    [ObservableProperty]
+    private string _pageTitle = string.Empty;
+
+    [ObservableProperty]
+    private string _pageDescription = string.Empty;
+
+    [ObservableProperty]
+    private string _launcherHeader = string.Empty;
+
+    [ObservableProperty]
+    private string _launcherSubtitle = string.Empty;
+
+    [ObservableProperty]
+    private string _hiddenHeader = string.Empty;
+
+    [ObservableProperty]
+    private string _hiddenDescription = string.Empty;
+
+    [ObservableProperty]
+    private string _hiddenHint = string.Empty;
+
+    [ObservableProperty]
+    private string _hiddenEmptyText = string.Empty;
+
+    [ObservableProperty]
+    private string _hiddenSummary = string.Empty;
+
+    [ObservableProperty]
+    private string _hiddenCountText = "0";
+
+    [ObservableProperty]
+    private bool _hasHiddenItems;
+
+    [ObservableProperty]
+    private bool _isHiddenItemsEmpty = true;
+
+    public void Dispose()
+    {
+        if (_disposed)
+        {
+            return;
+        }
+
+        _settingsFacade.Settings.Changed -= OnSettingsChanged;
+        _disposed = true;
+    }
+
+    private void OnSettingsChanged(object? sender, SettingsChangedEvent e)
+    {
+        if (e.Scope != SettingsScope.Launcher)
+        {
+            return;
+        }
+
+        Dispatcher.UIThread.Post(ReloadData, DispatcherPriority.Background);
+    }
+
+    private void ReloadData()
+    {
+        var root = LoadCatalogSafe();
+        var snapshot = _settingsFacade.LauncherPolicy.Get()?.Clone() ?? new LauncherSettingsSnapshot();
+        var hiddenItems = BuildHiddenItems(root, snapshot);
+
+        HiddenItems.Clear();
+        foreach (var hiddenItem in hiddenItems)
+        {
+            HiddenItems.Add(hiddenItem);
+        }
+
+        HasHiddenItems = HiddenItems.Count > 0;
+        IsHiddenItemsEmpty = !HasHiddenItems;
+        HiddenCountText = HiddenItems.Count.ToString(CultureInfo.CurrentCulture);
+        HiddenSummary = string.Format(
+            ResolveCulture(),
+            L("settings.launcher.hidden_summary_format", "{0} hidden items"),
+            HiddenItems.Count);
+    }
+
+    private StartMenuFolderNode LoadCatalogSafe()
+    {
+        try
+        {
+            return _settingsFacade.LauncherCatalog.LoadCatalog() ?? new StartMenuFolderNode(L("launcher.title", "App Launcher"), string.Empty);
+        }
+        catch (Exception ex)
+        {
+            AppLogger.Warn("Launcher.Settings", "Failed to load launcher catalog for settings page.", ex);
+            return new StartMenuFolderNode(L("launcher.title", "App Launcher"), string.Empty);
+        }
+    }
+
+    private IReadOnlyList<LauncherHiddenItemViewModel> BuildHiddenItems(StartMenuFolderNode root, LauncherSettingsSnapshot snapshot)
+    {
+        var items = new List<LauncherHiddenItemViewModel>();
+        var seenFolders = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+        var seenApps = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+
+        CollectHiddenItems(root, snapshot, items, seenFolders, seenApps);
+
+        foreach (var key in snapshot.HiddenLauncherFolderPaths.OrderBy(path => path, StringComparer.OrdinalIgnoreCase))
+        {
+            var normalizedKey = NormalizeLauncherHiddenKey(key);
+            if (string.IsNullOrWhiteSpace(normalizedKey) || !seenFolders.Add(normalizedKey))
+            {
+                continue;
+            }
+
+            items.Add(CreateHiddenItem(
+                LauncherHiddenItemKind.Folder,
+                normalizedKey,
+                BuildLauncherHiddenFallbackDisplayName(normalizedKey)));
+        }
+
+        foreach (var key in snapshot.HiddenLauncherAppPaths.OrderBy(path => path, StringComparer.OrdinalIgnoreCase))
+        {
+            var normalizedKey = NormalizeLauncherHiddenKey(key);
+            if (string.IsNullOrWhiteSpace(normalizedKey) || !seenApps.Add(normalizedKey))
+            {
+                continue;
+            }
+
+            items.Add(CreateHiddenItem(
+                LauncherHiddenItemKind.Shortcut,
+                normalizedKey,
+                BuildLauncherHiddenFallbackDisplayName(normalizedKey)));
+        }
+
+        return items
+            .OrderBy(item => item.DisplayName, StringComparer.CurrentCultureIgnoreCase)
+            .ThenBy(item => item.Key, StringComparer.OrdinalIgnoreCase)
+            .ToList();
+    }
+
+    private void CollectHiddenItems(
+        StartMenuFolderNode folder,
+        LauncherSettingsSnapshot snapshot,
+        List<LauncherHiddenItemViewModel> items,
+        HashSet<string> seenFolders,
+        HashSet<string> seenApps)
+    {
+        foreach (var subFolder in folder.Folders)
+        {
+            var folderKey = NormalizeLauncherHiddenKey(subFolder.RelativePath);
+            if (!string.IsNullOrWhiteSpace(folderKey) &&
+                snapshot.HiddenLauncherFolderPaths.Contains(folderKey, StringComparer.OrdinalIgnoreCase) &&
+                seenFolders.Add(folderKey))
+            {
+                items.Add(CreateHiddenItem(
+                    LauncherHiddenItemKind.Folder,
+                    folderKey,
+                    subFolder.Name));
+            }
+
+            CollectHiddenItems(subFolder, snapshot, items, seenFolders, seenApps);
+        }
+
+        foreach (var app in folder.Apps)
+        {
+            var appKey = NormalizeLauncherHiddenKey(app.RelativePath);
+            if (string.IsNullOrWhiteSpace(appKey) ||
+                !snapshot.HiddenLauncherAppPaths.Contains(appKey, StringComparer.OrdinalIgnoreCase) ||
+                !seenApps.Add(appKey))
+            {
+                continue;
+            }
+
+            items.Add(CreateHiddenItem(
+                LauncherHiddenItemKind.Shortcut,
+                appKey,
+                app.DisplayName));
+        }
+    }
+
+    private LauncherHiddenItemViewModel CreateHiddenItem(
+        LauncherHiddenItemKind kind,
+        string key,
+        string displayName)
+    {
+        var typeLabel = kind == LauncherHiddenItemKind.Folder
+            ? L("settings.launcher.hidden_type_folder", "Folder")
+            : L("settings.launcher.hidden_type_shortcut", "Shortcut");
+        var iconSymbol = kind == LauncherHiddenItemKind.Folder
+            ? Symbol.Folder
+            : Symbol.Apps;
+
+        return new LauncherHiddenItemViewModel(
+            kind,
+            key,
+            displayName,
+            typeLabel,
+            iconSymbol,
+            L("settings.launcher.restore_button", "Unhide"),
+            RestoreHiddenItem);
+    }
+
+    private void RestoreHiddenItem(LauncherHiddenItemViewModel item)
+    {
+        var snapshot = _settingsFacade.LauncherPolicy.Get()?.Clone() ?? new LauncherSettingsSnapshot();
+        var normalizedKey = NormalizeLauncherHiddenKey(item.Key);
+        if (string.IsNullOrWhiteSpace(normalizedKey))
+        {
+            return;
+        }
+
+        IReadOnlyCollection<string>? changedKeys = item.Kind switch
+        {
+            LauncherHiddenItemKind.Folder => RemoveKey(snapshot.HiddenLauncherFolderPaths, normalizedKey)
+                ? [nameof(LauncherSettingsSnapshot.HiddenLauncherFolderPaths)]
+                : null,
+            LauncherHiddenItemKind.Shortcut => RemoveKey(snapshot.HiddenLauncherAppPaths, normalizedKey)
+                ? [nameof(LauncherSettingsSnapshot.HiddenLauncherAppPaths)]
+                : null,
+            _ => null
+        };
+
+        if (changedKeys is null)
+        {
+            return;
+        }
+
+        _settingsFacade.Settings.SaveSnapshot(SettingsScope.Launcher, snapshot, changedKeys: changedKeys);
+        ReloadData();
+    }
+
+    private void RefreshLocalizedText()
+    {
+        PageTitle = L("settings.launcher.title", "App Launcher");
+        PageDescription = L("settings.launcher.description", "Manage hidden apps and folders in the App Launcher.");
+        LauncherHeader = L("launcher.title", "App Launcher");
+        LauncherSubtitle = OperatingSystem.IsLinux()
+            ? L("launcher.subtitle_linux", "Displays installed apps discovered from Linux desktop entries.")
+            : L("launcher.subtitle", "Displays all apps and folders based on the Windows Start menu structure.");
+        HiddenHeader = L("settings.launcher.hidden_header", "Hidden Items");
+        HiddenDescription = L("settings.launcher.hidden_desc", "Review hidden launcher entries and show them again.");
+        HiddenHint = L("settings.launcher.hidden_hint", "In desktop edit mode, select a launcher icon and click Hide. Hidden entries appear here.");
+        HiddenEmptyText = L("settings.launcher.hidden_empty", "No hidden items.");
+    }
+
+    private CultureInfo ResolveCulture()
+    {
+        try
+        {
+            return CultureInfo.GetCultureInfo(_languageCode);
+        }
+        catch (CultureNotFoundException)
+        {
+            return CultureInfo.InvariantCulture;
+        }
+    }
+
+    private string L(string key, string fallback)
+        => _localizationService.GetString(_languageCode, key, fallback);
+
+    private static string NormalizeLauncherHiddenKey(string? key)
+        => string.IsNullOrWhiteSpace(key) ? string.Empty : key.Trim();
+
+    private static string BuildLauncherHiddenFallbackDisplayName(string key)
+    {
+        if (string.IsNullOrWhiteSpace(key))
+        {
+            return "Unknown";
+        }
+
+        var normalized = key.Replace('\\', '/');
+        var fileName = Path.GetFileNameWithoutExtension(normalized);
+        return string.IsNullOrWhiteSpace(fileName)
+            ? key
+            : fileName;
+    }
+
+    private static bool RemoveKey(ICollection<string> values, string key)
+    {
+        var existing = values.FirstOrDefault(value => string.Equals(value, key, StringComparison.OrdinalIgnoreCase));
+        if (existing is null)
+        {
+            return false;
+        }
+
+        values.Remove(existing);
+        return true;
+    }
+}

LanMountainDesktop/ViewModels/WeatherSettingsPageViewModel.cs

@@ -0,0 +1,678 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Globalization;
+using System.Linq;
+using System.Threading.Tasks;
+using Avalonia.Media;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using LanMountainDesktop.Models;
+using LanMountainDesktop.Services;
+using LanMountainDesktop.Services.Settings;
+using LanMountainDesktop.Views.Components;
+
+namespace LanMountainDesktop.ViewModels;
+
+public sealed partial class WeatherSettingsPageViewModel : ViewModelBase
+{
+    private readonly ISettingsFacadeService _settingsFacade;
+    private readonly LocalizationService _localizationService;
+    private readonly ILocationService _locationService;
+    private readonly WeatherLocationRefreshService _weatherLocationRefreshService;
+    private string _languageCode;
+    private bool _isInitializing;
+
+    public WeatherSettingsPageViewModel(
+        ISettingsFacadeService settingsFacade,
+        LocalizationService localizationService,
+        ILocationService locationService,
+        WeatherLocationRefreshService weatherLocationRefreshService)
+    {
+        _settingsFacade = settingsFacade ?? throw new ArgumentNullException(nameof(settingsFacade));
+        _localizationService = localizationService ?? throw new ArgumentNullException(nameof(localizationService));
+        _locationService = locationService ?? throw new ArgumentNullException(nameof(locationService));
+        _weatherLocationRefreshService = weatherLocationRefreshService ?? throw new ArgumentNullException(nameof(weatherLocationRefreshService));
+
+        var regionState = _settingsFacade.Region.Get();
+        _languageCode = _localizationService.NormalizeLanguageCode(regionState.LanguageCode);
+
+        RefreshLocalizedText();
+        LocationModes = CreateLocationModes();
+
+        var weatherState = _settingsFacade.Weather.Get();
+        SearchKeyword = weatherState.LocationQuery;
+        SelectedLocationMode = LocationModes.FirstOrDefault(option =>
+                                   string.Equals(option.Value, weatherState.LocationMode, StringComparison.OrdinalIgnoreCase))
+                               ?? LocationModes[0];
+
+        _isInitializing = true;
+        Latitude = weatherState.Latitude;
+        Longitude = weatherState.Longitude;
+        LocationKey = weatherState.LocationKey;
+        LocationName = weatherState.LocationName;
+        AutoRefreshLocation = weatherState.AutoRefreshLocation;
+        ExcludedAlerts = weatherState.ExcludedAlerts;
+        NoTlsRequests = weatherState.NoTlsRequests;
+        _isInitializing = false;
+
+        IsLocationSupported = _locationService.IsSupported;
+        UpdateModeVisibility();
+        UpdateCurrentLocationSummary();
+        LocationActionStatus = IsLocationSupported
+            ? LocationReadyText
+            : LocationUnsupportedText;
+
+        _ = RefreshPreviewAsync();
+    }
+
+    public IReadOnlyList<SelectionOption> LocationModes { get; }
+
+    public ObservableCollection<WeatherLocation> SearchResults { get; } = [];
+
+    [ObservableProperty]
+    private string _pageTitle = string.Empty;
+
+    [ObservableProperty]
+    private string _pageDescription = string.Empty;
+
+    [ObservableProperty]
+    private string _previewHeader = string.Empty;
+
+    [ObservableProperty]
+    private string _previewDescription = string.Empty;
+
+    [ObservableProperty]
+    private string _locationSourceHeader = string.Empty;
+
+    [ObservableProperty]
+    private string _locationSourceDescription = string.Empty;
+
+    [ObservableProperty]
+    private string _citySearchHeader = string.Empty;
+
+    [ObservableProperty]
+    private string _citySearchDescription = string.Empty;
+
+    [ObservableProperty]
+    private string _coordinatesHeader = string.Empty;
+
+    [ObservableProperty]
+    private string _coordinatesDescription = string.Empty;
+
+    [ObservableProperty]
+    private string _locationServicesHeader = string.Empty;
+
+    [ObservableProperty]
+    private string _locationServicesDescription = string.Empty;
+
+    [ObservableProperty]
+    private string _alertFilterHeader = string.Empty;
+
+    [ObservableProperty]
+    private string _alertFilterDescription = string.Empty;
+
+    [ObservableProperty]
+    private string _requestHeader = string.Empty;
+
+    [ObservableProperty]
+    private string _requestDescription = string.Empty;
+
+    [ObservableProperty]
+    private string _searchPlaceholder = string.Empty;
+
+    [ObservableProperty]
+    private string _searchButtonText = string.Empty;
+
+    [ObservableProperty]
+    private string _applyCityButtonText = string.Empty;
+
+    [ObservableProperty]
+    private string _refreshButtonText = string.Empty;
+
+    [ObservableProperty]
+    private string _applyCoordinatesButtonText = string.Empty;
+
+    [ObservableProperty]
+    private string _useCurrentLocationButtonText = string.Empty;
+
+    [ObservableProperty]
+    private string _autoRefreshLabel = string.Empty;
+
+    [ObservableProperty]
+    private string _latitudeLabel = string.Empty;
+
+    [ObservableProperty]
+    private string _longitudeLabel = string.Empty;
+
+    [ObservableProperty]
+    private string _locationKeyPlaceholder = string.Empty;
+
+    [ObservableProperty]
+    private string _locationNamePlaceholder = string.Empty;
+
+    [ObservableProperty]
+    private string _noTlsToggleText = string.Empty;
+
+    [ObservableProperty]
+    private string _locationUnsupportedText = string.Empty;
+
+    [ObservableProperty]
+    private string _locationReadyText = string.Empty;
+
+    [ObservableProperty]
+    private string _locationRefreshingText = string.Empty;
+
+    [ObservableProperty]
+    private string _footerHint = string.Empty;
+
+    [ObservableProperty]
+    private SelectionOption _selectedLocationMode = new("CitySearch", "City Search");
+
+    [ObservableProperty]
+    private bool _isCitySearchMode = true;
+
+    [ObservableProperty]
+    private bool _isCoordinatesMode;
+
+    [ObservableProperty]
+    private bool _isLocationSupported;
+
+    [ObservableProperty]
+    private string _searchKeyword = string.Empty;
+
+    [ObservableProperty]
+    private WeatherLocation? _selectedSearchResult;
+
+    [ObservableProperty]
+    private string _searchStatus = string.Empty;
+
+    [ObservableProperty]
+    private bool _isSearching;
+
+    [ObservableProperty]
+    private double _latitude;
+
+    [ObservableProperty]
+    private double _longitude;
+
+    [ObservableProperty]
+    private string _locationKey = string.Empty;
+
+    [ObservableProperty]
+    private string _locationName = string.Empty;
+
+    [ObservableProperty]
+    private bool _autoRefreshLocation;
+
+    [ObservableProperty]
+    private string _excludedAlerts = string.Empty;
+
+    [ObservableProperty]
+    private bool _noTlsRequests;
+
+    [ObservableProperty]
+    private string _currentLocationSummary = string.Empty;
+
+    [ObservableProperty]
+    private string _locationActionStatus = string.Empty;
+
+    [ObservableProperty]
+    private bool _isRefreshingLocation;
+
+    [ObservableProperty]
+    private bool _isRefreshingPreview;
+
+    [ObservableProperty]
+    private IImage? _previewIcon;
+
+    [ObservableProperty]
+    private string _previewLocation = string.Empty;
+
+    [ObservableProperty]
+    private string _previewTemperature = string.Empty;
+
+    [ObservableProperty]
+    private string _previewCondition = string.Empty;
+
+    [ObservableProperty]
+    private string _previewUpdated = string.Empty;
+
+    [ObservableProperty]
+    private string _previewStatus = string.Empty;
+
+    partial void OnSelectedLocationModeChanged(SelectionOption value)
+    {
+        UpdateModeVisibility();
+        UpdateCurrentLocationSummary();
+        if (_isInitializing || value is null)
+        {
+            return;
+        }
+
+        _settingsFacade.Weather.Save(CreateEditableState(value.Value));
+        _ = RefreshPreviewAsync();
+    }
+
+    partial void OnAutoRefreshLocationChanged(bool value)
+    {
+        _ = value;
+        if (_isInitializing)
+        {
+            return;
+        }
+
+        _settingsFacade.Weather.Save(CreateEditableState());
+    }
+
+    partial void OnExcludedAlertsChanged(string value)
+    {
+        _ = value;
+        if (_isInitializing)
+        {
+            return;
+        }
+
+        _settingsFacade.Weather.Save(CreateEditableState());
+    }
+
+    partial void OnNoTlsRequestsChanged(bool value)
+    {
+        _ = value;
+        if (_isInitializing)
+        {
+            return;
+        }
+
+        _settingsFacade.Weather.Save(CreateEditableState());
+    }
+
+    [RelayCommand]
+    private async Task SearchAsync()
+    {
+        SearchStatus = string.Empty;
+        SearchResults.Clear();
+        SelectedSearchResult = null;
+
+        if (string.IsNullOrWhiteSpace(SearchKeyword))
+        {
+            SearchStatus = L("settings.weather.search_required", "Please enter a city keyword first.");
+            return;
+        }
+
+        IsSearching = true;
+        try
+        {
+            var result = await _settingsFacade.Weather.SearchLocationsAsync(
+                SearchKeyword.Trim(),
+                NormalizeWeatherLocale(_languageCode));
+            if (!result.Success)
+            {
+                SearchStatus = string.Format(
+                    ResolveCulture(),
+                    L("settings.weather.search_failed_format", "Search failed: {0}"),
+                    result.ErrorMessage ?? result.ErrorCode ?? L("settings.weather.preview_unknown", "Unknown"));
+                return;
+            }
+
+            foreach (var item in result.Data ?? [])
+            {
+                SearchResults.Add(item);
+            }
+
+            SearchStatus = SearchResults.Count == 0
+                ? L("settings.weather.search_no_results", "No locations were found.")
+                : string.Format(
+                    ResolveCulture(),
+                    L("settings.weather.search_result_count_format", "Found {0} locations."),
+                    SearchResults.Count);
+
+            SelectedSearchResult = SearchResults.FirstOrDefault();
+        }
+        finally
+        {
+            IsSearching = false;
+        }
+    }
+
+    [RelayCommand]
+    private async Task ApplyCitySelectionAsync()
+    {
+        if (SelectedSearchResult is null)
+        {
+            SearchStatus = L("settings.weather.search_select_required", "Please select one location from search results.");
+            return;
+        }
+
+        var selected = SelectedSearchResult;
+        var nextState = new WeatherSettingsState(
+            "CitySearch",
+            selected.LocationKey,
+            selected.Name,
+            selected.Latitude,
+            selected.Longitude,
+            AutoRefreshLocation,
+            ExcludedAlerts ?? string.Empty,
+            "HyperOS3",
+            NoTlsRequests,
+            SearchKeyword?.Trim() ?? string.Empty);
+
+        ApplySavedState(nextState);
+        SearchStatus = string.Format(
+            ResolveCulture(),
+            L("settings.weather.search_applied_format", "Location applied: {0}"),
+            selected.Name);
+        await RefreshPreviewAsync();
+    }
+
+    [RelayCommand]
+    private async Task ApplyCoordinatesAsync()
+    {
+        var nextState = CreateEditableState("Coordinates");
+        _settingsFacade.Weather.Save(nextState);
+        ApplySavedState(nextState, save: false);
+        SearchStatus = string.Format(
+            ResolveCulture(),
+            L("settings.weather.coordinates_saved_format", "Coordinates saved: {0:F4}, {1:F4}"),
+            nextState.Latitude,
+            nextState.Longitude);
+        await RefreshPreviewAsync();
+    }
+
+    [RelayCommand]
+    private async Task UseCurrentLocationAsync()
+    {
+        if (!IsLocationSupported)
+        {
+            LocationActionStatus = LocationUnsupportedText;
+            return;
+        }
+
+        IsRefreshingLocation = true;
+        LocationActionStatus = LocationRefreshingText;
+        try
+        {
+            var result = await _weatherLocationRefreshService.RefreshCurrentLocationAsync();
+            if (!result.Success || result.AppliedState is null)
+            {
+                LocationActionStatus = string.Format(
+                    ResolveCulture(),
+                    L("settings.weather.location_refresh_failed_format", "Failed to get current location: {0}"),
+                    result.ErrorMessage ?? result.LocationResult?.FailureReason.ToString() ?? L("settings.weather.preview_unknown", "Unknown"));
+                return;
+            }
+
+            ApplySavedState(result.AppliedState, save: false);
+            LocationActionStatus = string.Format(
+                ResolveCulture(),
+                L("settings.weather.location_refresh_success_format", "Current location applied: {0}"),
+                result.AppliedState.LocationName);
+            await RefreshPreviewAsync();
+        }
+        finally
+        {
+            IsRefreshingLocation = false;
+        }
+    }
+
+    [RelayCommand]
+    private async Task RefreshPreviewAsync()
+    {
+        IsRefreshingPreview = true;
+        try
+        {
+            var state = ResolvePreviewState();
+            if (string.IsNullOrWhiteSpace(state.LocationKey))
+            {
+                PreviewStatus = L("settings.weather.preview_missing_location", "Please apply one weather location before testing.");
+                PreviewIcon = null;
+                PreviewLocation = CurrentLocationSummary;
+                PreviewTemperature = "--";
+                PreviewCondition = string.Empty;
+                PreviewUpdated = string.Empty;
+                return;
+            }
+
+            var result = await _settingsFacade.Weather.GetWeatherInfoService().GetWeatherAsync(
+                new WeatherQuery(
+                    state.LocationKey,
+                    state.Latitude,
+                    state.Longitude,
+                    ForecastDays: 3,
+                    Locale: NormalizeWeatherLocale(_languageCode),
+                    ForceRefresh: true));
+            if (!result.Success || result.Data is null)
+            {
+                PreviewStatus = string.Format(
+                    ResolveCulture(),
+                    L("settings.weather.preview_failed_format", "Test fetch failed: {0}"),
+                    result.ErrorMessage ?? result.ErrorCode ?? L("settings.weather.preview_unknown", "Unknown"));
+                PreviewIcon = null;
+                return;
+            }
+
+            var snapshot = result.Data;
+            var isNight = snapshot.Current.IsDaylight.HasValue
+                ? !snapshot.Current.IsDaylight.Value
+                : _settingsFacade.Theme.Get().IsNightMode;
+            var visualKind = HyperOS3WeatherTheme.ResolveVisualKind(snapshot.Current.WeatherCode, isNight);
+            PreviewIcon = HyperOS3WeatherAssetLoader.LoadImage(HyperOS3WeatherTheme.ResolveHeroIconAsset(visualKind));
+            PreviewLocation = string.IsNullOrWhiteSpace(snapshot.LocationName)
+                ? state.LocationName
+                : snapshot.LocationName!;
+            PreviewTemperature = snapshot.Current.TemperatureC.HasValue
+                ? string.Format(CultureInfo.InvariantCulture, "{0:0.#}°C", snapshot.Current.TemperatureC.Value)
+                : "--";
+            PreviewCondition = snapshot.Current.WeatherText ?? L("settings.weather.preview_unknown", "Unknown");
+
+            var updatedAt = (snapshot.ObservationTime ?? snapshot.FetchedAt).ToLocalTime();
+            PreviewUpdated = string.Format(
+                ResolveCulture(),
+                L("settings.weather.preview_updated_format", "Updated {0}"),
+                updatedAt.ToString("g", ResolveCulture()));
+            PreviewStatus = string.Format(
+                ResolveCulture(),
+                L("settings.weather.preview_success_format", "Test success: {0} · {1} · {2}"),
+                PreviewLocation,
+                PreviewTemperature,
+                PreviewCondition);
+        }
+        finally
+        {
+            IsRefreshingPreview = false;
+        }
+    }
+
+    private void RefreshLocalizedText()
+    {
+        PageTitle = L("settings.weather.title", "Weather");
+        PageDescription = L("settings.weather.description", "Configure weather location, automatic positioning, and Xiaomi weather preview.");
+        PreviewHeader = L("settings.weather.preview_panel_header", "Weather Preview");
+        PreviewDescription = L("settings.weather.preview_panel_desc", "Refresh and verify current weather service status.");
+        LocationSourceHeader = L("settings.weather.location_source_header", "Location Source");
+        LocationSourceDescription = L("settings.weather.location_source_desc", "Choose how weather widgets resolve location.");
+        CitySearchHeader = L("settings.weather.city_search_header", "City Search");
+        CitySearchDescription = L("settings.weather.city_search_desc", "Search cities and apply one weather location.");
+        CoordinatesHeader = L("settings.weather.coordinates_header", "Coordinates");
+        CoordinatesDescription = L("settings.weather.coordinates_desc", "Set latitude/longitude and optional key/name.");
+        LocationServicesHeader = L("settings.weather.location_services_header", "Location Service");
+        LocationServicesDescription = L("settings.weather.location_services_desc", "Use the current Windows location and decide whether it refreshes automatically at startup.");
+        AlertFilterHeader = L("settings.weather.alert_filter_header", "Excluded Alerts");
+        AlertFilterDescription = L("settings.weather.alert_filter_desc", "Alerts containing these words will not be shown. One rule per line.");
+        RequestHeader = L("settings.weather.no_tls_header", "No TLS Weather Request");
+        RequestDescription = L("settings.weather.no_tls_desc", "Not recommended. Enable only for incompatible network environments.");
+        SearchPlaceholder = L("settings.weather.search_placeholder", "e.g. Beijing");
+        SearchButtonText = L("settings.weather.search_button", "Search");
+        ApplyCityButtonText = L("settings.weather.apply_city_button", "Apply City");
+        RefreshButtonText = L("settings.weather.refresh_button", "Refresh");
+        ApplyCoordinatesButtonText = L("settings.weather.apply_coordinates_button", "Apply Coordinates");
+        UseCurrentLocationButtonText = L("settings.weather.use_current_location", "Use Current Location");
+        AutoRefreshLabel = L("settings.weather.auto_refresh", "Auto refresh location on startup");
+        LatitudeLabel = L("settings.weather.latitude_label", "Latitude");
+        LongitudeLabel = L("settings.weather.longitude_label", "Longitude");
+        LocationKeyPlaceholder = L("settings.weather.location_key_placeholder", "Location key (optional)");
+        LocationNamePlaceholder = L("settings.weather.location_name_placeholder", "Display name (optional)");
+        NoTlsToggleText = L("settings.weather.no_tls_toggle", "Allow non-TLS request fallback");
+        LocationUnsupportedText = L("settings.weather.location_unsupported", "Current platform does not support retrieving the current location.");
+        LocationReadyText = L("settings.weather.location_ready", "You can use the current Windows location.");
+        LocationRefreshingText = L("settings.weather.location_refreshing", "Requesting current location…");
+        FooterHint = L("settings.weather.footer_hint", "Desktop weather widgets will reuse the location and alert exclusion settings configured here.");
+    }
+
+    private IReadOnlyList<SelectionOption> CreateLocationModes()
+    {
+        return
+        [
+            new SelectionOption("CitySearch", L("settings.weather.mode_city_search", "City Search")),
+            new SelectionOption("Coordinates", L("settings.weather.mode_coordinates", "Coordinates"))
+        ];
+    }
+
+    private void UpdateModeVisibility()
+    {
+        var mode = SelectedLocationMode?.Value ?? "CitySearch";
+        IsCitySearchMode = string.Equals(mode, "CitySearch", StringComparison.OrdinalIgnoreCase);
+        IsCoordinatesMode = string.Equals(mode, "Coordinates", StringComparison.OrdinalIgnoreCase);
+    }
+
+    private void UpdateCurrentLocationSummary()
+    {
+        var state = CreateEditableState();
+        var modeLabel = SelectedLocationMode?.Label ?? state.LocationMode;
+        if (string.Equals(state.LocationMode, "CitySearch", StringComparison.OrdinalIgnoreCase))
+        {
+            CurrentLocationSummary = string.IsNullOrWhiteSpace(state.LocationKey)
+                ? L("settings.weather.status_city_empty", "No city location is configured.")
+                : string.Format(
+                    ResolveCulture(),
+                    L("settings.weather.status_city_format", "Mode: {0} | {1} | Key: {2}"),
+                    modeLabel,
+                    string.IsNullOrWhiteSpace(state.LocationName) ? L("settings.weather.location_not_selected", "No location selected") : state.LocationName,
+                    state.LocationKey);
+            return;
+        }
+
+        CurrentLocationSummary = string.Format(
+            ResolveCulture(),
+            L("settings.weather.status_coordinates_format", "Mode: {0} | Lat {1:F4}, Lon {2:F4} | Key: {3}"),
+            modeLabel,
+            state.Latitude,
+            state.Longitude,
+            state.LocationKey);
+    }
+
+    private WeatherSettingsState CreateEditableState(string? locationMode = null)
+    {
+        var mode = locationMode ?? SelectedLocationMode?.Value ?? "CitySearch";
+        var locationKey = LocationKey?.Trim() ?? string.Empty;
+        var locationName = LocationName?.Trim() ?? string.Empty;
+
+        if (string.Equals(mode, "Coordinates", StringComparison.OrdinalIgnoreCase))
+        {
+            if (string.IsNullOrWhiteSpace(locationKey))
+            {
+                locationKey = BuildCoordinateKey(Latitude, Longitude);
+            }
+
+            if (string.IsNullOrWhiteSpace(locationName))
+            {
+                locationName = BuildCoordinateDisplayName(Latitude, Longitude);
+            }
+        }
+
+        return new WeatherSettingsState(
+            mode,
+            locationKey,
+            locationName,
+            Latitude,
+            Longitude,
+            AutoRefreshLocation,
+            ExcludedAlerts ?? string.Empty,
+            "HyperOS3",
+            NoTlsRequests,
+            SearchKeyword?.Trim() ?? string.Empty);
+    }
+
+    private WeatherSettingsState ResolvePreviewState()
+    {
+        if (IsCitySearchMode && SelectedSearchResult is not null)
+        {
+            return new WeatherSettingsState(
+                "CitySearch",
+                SelectedSearchResult.LocationKey,
+                SelectedSearchResult.Name,
+                SelectedSearchResult.Latitude,
+                SelectedSearchResult.Longitude,
+                AutoRefreshLocation,
+                ExcludedAlerts ?? string.Empty,
+                "HyperOS3",
+                NoTlsRequests,
+                SearchKeyword?.Trim() ?? string.Empty);
+        }
+
+        return CreateEditableState();
+    }
+
+    private void ApplySavedState(WeatherSettingsState state, bool save = true)
+    {
+        if (save)
+        {
+            _settingsFacade.Weather.Save(state);
+        }
+
+        _isInitializing = true;
+        SelectedLocationMode = LocationModes.FirstOrDefault(option =>
+                                   string.Equals(option.Value, state.LocationMode, StringComparison.OrdinalIgnoreCase))
+                               ?? LocationModes[0];
+        Latitude = state.Latitude;
+        Longitude = state.Longitude;
+        LocationKey = state.LocationKey;
+        LocationName = state.LocationName;
+        AutoRefreshLocation = state.AutoRefreshLocation;
+        ExcludedAlerts = state.ExcludedAlerts;
+        NoTlsRequests = state.NoTlsRequests;
+        SearchKeyword = state.LocationQuery;
+        _isInitializing = false;
+
+        UpdateModeVisibility();
+        UpdateCurrentLocationSummary();
+    }
+
+    private string BuildCoordinateDisplayName(double latitude, double longitude)
+    {
+        return string.Format(
+            CultureInfo.InvariantCulture,
+            L("settings.weather.coordinates_default_name_format", "Coordinate {0:F4}, {1:F4}"),
+            latitude,
+            longitude);
+    }
+
+    private static string BuildCoordinateKey(double latitude, double longitude)
+    {
+        return FormattableString.Invariant($"coord:{latitude:F4},{longitude:F4}");
+    }
+
+    private string L(string key, string fallback)
+    {
+        return _localizationService.GetString(_languageCode, key, fallback);
+    }
+
+    private CultureInfo ResolveCulture()
+    {
+        try
+        {
+            return CultureInfo.GetCultureInfo(_languageCode);
+        }
+        catch (CultureNotFoundException)
+        {
+            return CultureInfo.InvariantCulture;
+        }
+    }
+
+    private static string NormalizeWeatherLocale(string? languageCode)
+    {
+        return string.Equals(languageCode, "en-US", StringComparison.OrdinalIgnoreCase)
+            ? "en_us"
+            : "zh_cn";
+    }
+}

LanMountainDesktop/Views/ComponentEditorWindow.axaml

@@ -0,0 +1,135 @@
+<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"
+        xmlns:fa="clr-namespace:FluentIcons.Avalonia.Fluent;assembly=FluentIcons.Avalonia.Fluent"
+        xmlns:mi="clr-namespace:Material.Icons.Avalonia;assembly=Material.Icons.Avalonia"
+        xmlns:themes="clr-namespace:Material.Styles.Themes;assembly=Material.Styles"
+        mc:Ignorable="d"
+        x:Class="LanMountainDesktop.Views.ComponentEditorWindow"
+        x:Name="RootWindow"
+        Classes="component-editor-window"
+        Width="720"
+        Height="540"
+        MinWidth="420"
+        MinHeight="320"
+        CanResize="True"
+        SizeToContent="Manual"
+        ShowInTaskbar="False"
+        SystemDecorations="BorderOnly"
+        Background="{DynamicResource EditorWindowBackgroundBrush}"
+        Title="Component Editor">
+    <Window.Resources>
+        <!-- Material Design 3 Brushes -->
+        <SolidColorBrush x:Key="EditorWindowBackgroundBrush" Color="#FFFEF7FF" />
+        <SolidColorBrush x:Key="EditorSurfaceBrush" Color="#FFFEF7FF" />
+        <SolidColorBrush x:Key="EditorSurfaceContainerBrush" Color="#FFF3EDF7" />
+        <SolidColorBrush x:Key="EditorSurfaceContainerHighBrush" Color="#FFE6E0E9" />
+        <SolidColorBrush x:Key="EditorTopAppBarBackgroundBrush" Color="#FFF3EDF7" />
+        <SolidColorBrush x:Key="EditorHeaderIconBackgroundBrush" Color="#FFEADDFF" />
+        <SolidColorBrush x:Key="EditorTitleBarButtonHoverBrush" Color="#121D1B20" />
+        <SolidColorBrush x:Key="EditorPrimaryBrush" Color="#FF6750A4" />
+        <SolidColorBrush x:Key="EditorOnPrimaryBrush" Color="#FFFFFFFF" />
+        <SolidColorBrush x:Key="EditorSecondaryBrush" Color="#FF625B71" />
+        <SolidColorBrush x:Key="EditorTertiaryBrush" Color="#FF7D5260" />
+        <SolidColorBrush x:Key="EditorSelectFieldBackgroundBrush" Color="#FFE6E0E9" />
+        <SolidColorBrush x:Key="EditorSelectFieldHoverBrush" Color="#FFE0DAE4" />
+        <SolidColorBrush x:Key="EditorSelectFieldFocusBrush" Color="#FFDDD3E6" />
+        <SolidColorBrush x:Key="EditorSelectOutlineBrush" Color="#FF79747E" />
+        <SolidColorBrush x:Key="EditorSelectOutlineStrongBrush" Color="#FF6750A4" />
+        <SolidColorBrush x:Key="EditorSelectMenuItemHoverBrush" Color="#1F6750A4" />
+        <SolidColorBrush x:Key="EditorSelectMenuItemSelectedBrush" Color="#306750A4" />
+        <SolidColorBrush x:Key="ComponentEditorHeroBackgroundBrush" Color="#FFEADDFF" />
+        <SolidColorBrush x:Key="ComponentEditorCardBackgroundBrush" Color="#FFF3EDF7" />
+        <SolidColorBrush x:Key="ComponentEditorCardBorderBrush" Color="#FFCAC4D0" />
+        <SolidColorBrush x:Key="ComponentEditorPrimaryTextBrush" Color="#FF1D1B20" />
+        <SolidColorBrush x:Key="ComponentEditorSecondaryTextBrush" Color="#FF49454F" />
+        <SolidColorBrush x:Key="EditorDividerBrush" Color="#FFCAC4D0" />
+    </Window.Resources>
+
+    <Window.Styles>
+        <themes:CustomMaterialTheme BaseTheme="Light" PrimaryColor="#6750A4" SecondaryColor="#625B71" />
+        <StyleInclude Source="avares://LanMountainDesktop/Styles/ComponentEditorThemeResources.axaml" />
+        
+        <!-- MD3 Button Styles -->
+        <Style Selector="Button.component-editor-footer-button">
+            <Setter Property="CornerRadius" Value="20" />
+            <Setter Property="Background" Value="{DynamicResource EditorPrimaryBrush}" />
+            <Setter Property="Foreground" Value="{DynamicResource EditorOnPrimaryBrush}" />
+            <Setter Property="Height" Value="40" />
+        </Style>
+    </Window.Styles>
+
+    <Grid Background="{DynamicResource EditorWindowBackgroundBrush}"
+          RowDefinitions="Auto,*">
+        <Border x:Name="CustomTitleBarHost"
+                Padding="24,16"
+                Background="{DynamicResource EditorWindowBackgroundBrush}"
+                IsVisible="False"
+                PointerPressed="OnWindowTitleBarPointerPressed">
+            <Grid ColumnDefinitions="Auto,*,Auto"
+                  ColumnSpacing="16">
+                <mi:MaterialIcon x:Name="HeaderIcon"
+                                 Width="28"
+                                 Height="28"
+                                 Foreground="{DynamicResource EditorPrimaryBrush}"
+                                 VerticalAlignment="Center" />
+
+                <StackPanel Grid.Column="1"
+                            Spacing="0"
+                            VerticalAlignment="Center">
+                    <TextBlock x:Name="TitleTextBlock"
+                               Classes="component-editor-headline"
+                               FontSize="20"
+                               FontWeight="SemiBold"
+                               TextTrimming="CharacterEllipsis" />
+                </StackPanel>
+
+                <Button Grid.Column="2"
+                        Classes="component-editor-titlebar-button"
+                        VerticalAlignment="Center"
+                        Background="Transparent"
+                        BorderThickness="0"
+                        Width="40" Height="40"
+                        Padding="8"
+                        Click="OnCloseClick">
+                    <mi:MaterialIcon Kind="Close"
+                                     Width="24" Height="24" />
+                </Button>
+            </Grid>
+        </Border>
+
+        <Panel Grid.Row="1">
+            <ScrollViewer Classes="component-editor-scroll-host"
+                          HorizontalScrollBarVisibility="Disabled"
+                          VerticalScrollBarVisibility="Auto">
+                <ContentControl x:Name="EditorContentHost"
+                                Margin="24,0,24,100"
+                                HorizontalContentAlignment="Stretch"
+                                VerticalContentAlignment="Stretch" />
+            </ScrollViewer>
+
+            <!-- Floating Save Button (MD3 Style) -->
+            <Button x:Name="SaveFAB"
+                    HorizontalAlignment="Right"
+                    VerticalAlignment="Bottom"
+                    Margin="28"
+                    Width="64"
+                    Height="64"
+                    Background="{DynamicResource EditorPrimaryBrush}"
+                    Foreground="{DynamicResource EditorOnPrimaryBrush}"
+                    CornerRadius="18"
+                    Classes="accent"
+                    Click="OnCloseClick">
+                <Button.Styles>
+                    <Style Selector="Button:pointerover">
+                        <Setter Property="RenderTransform" Value="scale(1.05)" />
+                    </Style>
+                </Button.Styles>
+                <mi:MaterialIcon Kind="Check"
+                                 Width="32"
+                                 Height="32" />
+            </Button>
+        </Panel>
+    </Grid>
+</Window>

LanMountainDesktop/Views/ComponentEditorWindow.axaml.cs

@@ -0,0 +1,256 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+using Avalonia.Media;
+using Avalonia.Platform;
+using Avalonia.Styling;
+using FluentIcons.Common;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Services;
+using LanMountainDesktop.Theme;
+using Material.Styles.Themes;
+using Material.Styles.Themes.Base;
+
+using Material.Icons;
+using Material.Icons.Avalonia;
+
+namespace LanMountainDesktop.Views;
+
+public partial class ComponentEditorWindow : Window
+{
+    private readonly Dictionary<string, Size> _sizeCache = new(StringComparer.OrdinalIgnoreCase);
+    private readonly CustomMaterialTheme _materialTheme;
+    private DesktopComponentEditorDescriptor? _descriptor;
+    private string? _currentComponentId;
+    private bool _suppressAspectRatioCorrection;
+    private Size _lastStableSize;
+
+    public ComponentEditorWindow()
+    {
+        InitializeComponent();
+        _materialTheme = Styles.OfType<CustomMaterialTheme>().FirstOrDefault()
+            ?? throw new InvalidOperationException("Component editor Material theme is missing.");
+        _lastStableSize = new Size(Width, Height);
+        ApplyChromeMode(useSystemChrome: false);
+    }
+
+    public void ApplyDescriptor(
+        DesktopComponentEditorDescriptor descriptor,
+        DesktopComponentEditorContext context)
+    {
+        _descriptor = descriptor ?? throw new ArgumentNullException(nameof(descriptor));
+        _currentComponentId = context.ComponentId;
+
+        var editor = descriptor.CreateEditor(context);
+        EditorContentHost.Content = editor;
+        TitleTextBlock.Text = descriptor.Definition.DisplayName;
+        HeaderIcon.Kind = ResolveSymbol(descriptor.Definition.IconKey);
+        Title = descriptor.Definition.DisplayName;
+
+        ApplyPreferredSize(descriptor);
+    }
+
+    public void ApplyChromeMode(bool useSystemChrome)
+    {
+        var preferSystemChrome = useSystemChrome || OperatingSystem.IsMacOS();
+        if (preferSystemChrome)
+        {
+            ExtendClientAreaToDecorationsHint = true;
+            ExtendClientAreaChromeHints = ExtendClientAreaChromeHints.PreferSystemChrome;
+            ExtendClientAreaTitleBarHeightHint = -1;
+            SystemDecorations = SystemDecorations.Full;
+            CustomTitleBarHost.IsVisible = false;
+            return;
+        }
+
+        SystemDecorations = SystemDecorations.BorderOnly;
+        ExtendClientAreaToDecorationsHint = true;
+        ExtendClientAreaChromeHints = ExtendClientAreaChromeHints.NoChrome;
+        ExtendClientAreaTitleBarHeightHint = 52;
+        CustomTitleBarHost.IsVisible = true;
+    }
+
+    internal void ApplyTheme(ComponentEditorThemePalette palette)
+    {
+        ArgumentNullException.ThrowIfNull(palette);
+
+        RequestedThemeVariant = palette.IsNightMode ? ThemeVariant.Dark : ThemeVariant.Light;
+        _materialTheme.BaseTheme = palette.IsNightMode ? BaseThemeMode.Dark : BaseThemeMode.Light;
+        _materialTheme.PrimaryColor = palette.PrimaryColor;
+        _materialTheme.SecondaryColor = palette.SecondaryColor;
+
+        SetBrushResource("EditorPrimaryBrush", palette.PrimaryColor);
+        SetBrushResource("EditorOnPrimaryBrush", palette.IsNightMode ? Colors.Black : Colors.White);
+        SetBrushResource("EditorSecondaryBrush", palette.SecondaryColor);
+        SetBrushResource("EditorTertiaryBrush", palette.TertiaryColor);
+        SetBrushResource("EditorWindowBackgroundBrush", palette.WindowBackgroundColor);
+        SetBrushResource("EditorSurfaceBrush", palette.SurfaceColor);
+        SetBrushResource("EditorSurfaceContainerBrush", palette.SurfaceContainerColor);
+        SetBrushResource("EditorSurfaceContainerHighBrush", palette.SurfaceContainerHighColor);
+        SetBrushResource("EditorSelectFieldBackgroundBrush", palette.SurfaceContainerHighColor);
+        SetBrushResource(
+            "EditorSelectFieldHoverBrush",
+            ColorMath.Blend(palette.SurfaceContainerHighColor, palette.PrimaryColor, palette.IsNightMode ? 0.18 : 0.08));
+        SetBrushResource(
+            "EditorSelectFieldFocusBrush",
+            ColorMath.Blend(palette.SurfaceContainerHighColor, palette.PrimaryColor, palette.IsNightMode ? 0.24 : 0.12));
+        SetBrushResource("EditorSelectOutlineBrush", palette.OutlineColor);
+        SetBrushResource(
+            "EditorSelectOutlineStrongBrush",
+            ColorMath.EnsureContrast(palette.PrimaryColor, palette.SurfaceContainerHighColor, 3.0));
+        SetBrushResource(
+            "EditorSelectMenuItemHoverBrush",
+            ColorMath.Blend(palette.SurfaceContainerColor, palette.PrimaryColor, palette.IsNightMode ? 0.20 : 0.10));
+        SetBrushResource(
+            "EditorSelectMenuItemSelectedBrush",
+            ColorMath.Blend(palette.SurfaceContainerColor, palette.PrimaryColor, palette.IsNightMode ? 0.30 : 0.16));
+        SetBrushResource("EditorTopAppBarBackgroundBrush", palette.TopAppBarColor);
+        SetBrushResource("EditorHeaderIconBackgroundBrush", palette.HeaderIconBackgroundColor);
+        SetBrushResource("EditorTitleBarButtonHoverBrush", palette.TitleBarButtonHoverColor);
+        SetBrushResource("ComponentEditorHeroBackgroundBrush", palette.SurfaceContainerHighColor);
+        SetBrushResource("ComponentEditorCardBackgroundBrush", palette.SurfaceContainerColor);
+        SetBrushResource("ComponentEditorCardBorderBrush", palette.OutlineColor);
+        SetBrushResource("ComponentEditorPrimaryTextBrush", palette.OnSurfaceColor);
+        SetBrushResource("ComponentEditorSecondaryTextBrush", palette.OnSurfaceVariantColor);
+        SetBrushResource("EditorDividerBrush", palette.DividerColor);
+    }
+
+    protected override void OnSizeChanged(SizeChangedEventArgs e)
+    {
+        base.OnSizeChanged(e);
+
+        if (_descriptor is null || _suppressAspectRatioCorrection)
+        {
+            _lastStableSize = e.NewSize;
+            return;
+        }
+
+        var correctedSize = CoerceSize(e.NewSize, e.PreviousSize, _descriptor);
+        if (Math.Abs(correctedSize.Width - e.NewSize.Width) < 0.5 &&
+            Math.Abs(correctedSize.Height - e.NewSize.Height) < 0.5)
+        {
+            _lastStableSize = correctedSize;
+            CacheCurrentSize();
+            return;
+        }
+
+        _suppressAspectRatioCorrection = true;
+        Width = correctedSize.Width;
+        Height = correctedSize.Height;
+        _suppressAspectRatioCorrection = false;
+        _lastStableSize = correctedSize;
+        CacheCurrentSize();
+    }
+
+    private void SetBrushResource(string key, Color color)
+    {
+        Resources[key] = new SolidColorBrush(color);
+    }
+
+    private void ApplyPreferredSize(DesktopComponentEditorDescriptor descriptor)
+    {
+        var width = descriptor.PreferredWidth;
+        var height = descriptor.PreferredHeight;
+
+        if (!string.IsNullOrWhiteSpace(_currentComponentId) &&
+            _sizeCache.TryGetValue(_currentComponentId, out var cached))
+        {
+            width = cached.Width;
+            height = cached.Height;
+        }
+
+        _suppressAspectRatioCorrection = true;
+        MinWidth = descriptor.PreferredWidth * descriptor.MinScale;
+        MinHeight = descriptor.PreferredHeight * descriptor.MinScale;
+        MaxWidth = descriptor.PreferredWidth * descriptor.MaxScale;
+        MaxHeight = descriptor.PreferredHeight * descriptor.MaxScale;
+        Width = width;
+        Height = height;
+        _lastStableSize = new Size(width, height);
+        _suppressAspectRatioCorrection = false;
+    }
+
+    private void CacheCurrentSize()
+    {
+        if (_descriptor is null || string.IsNullOrWhiteSpace(_currentComponentId))
+        {
+            return;
+        }
+
+        _sizeCache[_currentComponentId] = _lastStableSize;
+    }
+
+    private static Size CoerceSize(Size currentSize, Size previousSize, DesktopComponentEditorDescriptor descriptor)
+    {
+        var preferredWidth = descriptor.PreferredWidth;
+        var preferredHeight = descriptor.PreferredHeight;
+        var aspectRatio = descriptor.AspectRatio;
+        var minWidth = preferredWidth * descriptor.MinScale;
+        var maxWidth = preferredWidth * descriptor.MaxScale;
+        var minHeight = preferredHeight * descriptor.MinScale;
+        var maxHeight = preferredHeight * descriptor.MaxScale;
+
+        var deltaWidth = Math.Abs(currentSize.Width - previousSize.Width);
+        var deltaHeight = Math.Abs(currentSize.Height - previousSize.Height);
+
+        double width;
+        double height;
+        if (deltaWidth >= deltaHeight)
+        {
+            width = Math.Clamp(currentSize.Width, minWidth, maxWidth);
+            height = Math.Clamp(width / aspectRatio, minHeight, maxHeight);
+            width = Math.Clamp(height * aspectRatio, minWidth, maxWidth);
+        }
+        else
+        {
+            height = Math.Clamp(currentSize.Height, minHeight, maxHeight);
+            width = Math.Clamp(height * aspectRatio, minWidth, maxWidth);
+            height = Math.Clamp(width / aspectRatio, minHeight, maxHeight);
+        }
+
+        return new Size(width, height);
+    }
+
+    private void OnWindowTitleBarPointerPressed(object? sender, PointerPressedEventArgs e)
+    {
+        _ = sender;
+        if (e.GetCurrentPoint(this).Properties.IsLeftButtonPressed)
+        {
+            BeginMoveDrag(e);
+        }
+    }
+
+    private static MaterialIconKind ResolveSymbol(string iconKey)
+    {
+        return iconKey switch
+        {
+            "Clock" => MaterialIconKind.Clock,
+            "Timer" => MaterialIconKind.Timer,
+            "WeatherSunny" => MaterialIconKind.WeatherSunny,
+            "CalendarDate" => MaterialIconKind.CalendarRange,
+            "CalendarMonth" => MaterialIconKind.CalendarMonth,
+            "MicOn" => MaterialIconKind.Microphone,
+            "News" => MaterialIconKind.Newspaper,
+            "Image" => MaterialIconKind.Image,
+            "Book" => MaterialIconKind.BookOpenVariant,
+            "History" => MaterialIconKind.History,
+            "DataLine" => MaterialIconKind.ChartLine,
+            "Edit" => MaterialIconKind.Pencil,
+            "Calculator" => MaterialIconKind.Calculator,
+            "Globe" => MaterialIconKind.Web,
+            "Play" => MaterialIconKind.Play,
+            _ => MaterialIconKind.Settings
+        };
+    }
+
+    private void OnCloseClick(object? sender, RoutedEventArgs e)
+    {
+        _ = sender;
+        _ = e;
+        Close();
+    }
+}

LanMountainDesktop/Views/ComponentEditors/ClassScheduleComponentEditor.axaml

@@ -0,0 +1,36 @@
+<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"
+             mc:Ignorable="d"
+             x:Class="LanMountainDesktop.Views.ComponentEditors.ClassScheduleComponentEditor">
+    <StackPanel Spacing="16">
+        <Border Classes="component-editor-hero-card"
+                Padding="24">
+            <StackPanel Spacing="8">
+                <TextBlock x:Name="HeadlineTextBlock"
+                           Classes="component-editor-headline"
+                           TextWrapping="Wrap" />
+                <TextBlock x:Name="DescriptionTextBlock"
+                           Classes="component-editor-secondary-text"
+                           TextWrapping="Wrap" />
+            </StackPanel>
+        </Border>
+
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <StackPanel Spacing="12">
+                <Button x:Name="AddScheduleButton"
+                        HorizontalAlignment="Left"
+                        Classes="accent"
+                        Padding="16,10"
+                        Click="OnAddScheduleClick" />
+                <TextBlock x:Name="EmptyStateTextBlock"
+                           Classes="component-editor-secondary-text"
+                           TextWrapping="Wrap" />
+                <StackPanel x:Name="ScheduleItemsPanel"
+                            Spacing="10" />
+            </StackPanel>
+        </Border>
+    </StackPanel>
+</UserControl>

LanMountainDesktop/Views/ComponentEditors/ClassScheduleComponentEditor.axaml.cs

@@ -0,0 +1,284 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Layout;
+using Avalonia.Media;
+using Avalonia.Platform.Storage;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Models;
+
+namespace LanMountainDesktop.Views.ComponentEditors;
+
+public partial class ClassScheduleComponentEditor : ComponentEditorViewBase
+{
+    private readonly List<ImportedClassScheduleSnapshot> _importedSchedules = [];
+    private string _activeScheduleId = string.Empty;
+
+    public ClassScheduleComponentEditor()
+        : this(null)
+    {
+    }
+
+    public ClassScheduleComponentEditor(DesktopComponentEditorContext? context)
+        : base(context)
+    {
+        InitializeComponent();
+        LoadState();
+        ApplyState();
+        RenderImportedSchedules();
+    }
+
+    private void LoadState()
+    {
+        var snapshot = LoadSnapshot();
+        _importedSchedules.Clear();
+        foreach (var item in snapshot.ImportedClassSchedules)
+        {
+            if (string.IsNullOrWhiteSpace(item.Id) || string.IsNullOrWhiteSpace(item.FilePath))
+            {
+                continue;
+            }
+
+            _importedSchedules.Add(new ImportedClassScheduleSnapshot
+            {
+                Id = item.Id.Trim(),
+                DisplayName = item.DisplayName?.Trim() ?? string.Empty,
+                FilePath = item.FilePath.Trim()
+            });
+        }
+
+        _activeScheduleId = snapshot.ActiveImportedClassScheduleId?.Trim() ?? string.Empty;
+        if (_importedSchedules.Count > 0 &&
+            !_importedSchedules.Any(item => string.Equals(item.Id, _activeScheduleId, StringComparison.OrdinalIgnoreCase)))
+        {
+            _activeScheduleId = _importedSchedules[0].Id;
+        }
+    }
+
+    private void ApplyState()
+    {
+        HeadlineTextBlock.Text = Context?.Definition.DisplayName ?? "Class Schedule";
+        DescriptionTextBlock.Text = L("schedule.settings.desc", "导入 ClassIsland 的 CSES 课表文件并选择启用项。");
+        AddScheduleButton.Content = L("schedule.settings.add", "添加课表");
+        EmptyStateTextBlock.Text = L("schedule.settings.empty", "暂无导入课表");
+    }
+
+    private async void OnAddScheduleClick(object? sender, RoutedEventArgs e)
+    {
+        _ = sender;
+        _ = e;
+        var topLevel = TopLevel.GetTopLevel(this);
+        if (topLevel?.StorageProvider is not { } storageProvider)
+        {
+            return;
+        }
+
+        var files = await storageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
+        {
+            Title = L("schedule.settings.picker_title", "选择 ClassIsland 课表文件"),
+            AllowMultiple = false,
+            FileTypeFilter =
+            [
+                new FilePickerFileType(L("schedule.settings.picker_file_type", "ClassIsland CSES 课表"))
+                {
+                    Patterns = ["*.cses", "*.yaml", "*.yml"]
+                }
+            ]
+        });
+
+        if (files.Count == 0)
+        {
+            return;
+        }
+
+        var importedPath = await ImportScheduleFileAsync(files[0]);
+        if (string.IsNullOrWhiteSpace(importedPath))
+        {
+            return;
+        }
+
+        var existing = _importedSchedules.FirstOrDefault(item =>
+            string.Equals(item.FilePath, importedPath, StringComparison.OrdinalIgnoreCase));
+        if (existing is not null)
+        {
+            _activeScheduleId = existing.Id;
+        }
+        else
+        {
+            _importedSchedules.Add(new ImportedClassScheduleSnapshot
+            {
+                Id = Guid.NewGuid().ToString("N"),
+                DisplayName = Path.GetFileNameWithoutExtension(importedPath)?.Trim()
+                    ?? L("schedule.settings.unnamed", "未命名课表"),
+                FilePath = importedPath
+            });
+            _activeScheduleId = _importedSchedules[^1].Id;
+        }
+
+        PersistState();
+        RenderImportedSchedules();
+    }
+
+    private async Task<string?> ImportScheduleFileAsync(IStorageFile file)
+    {
+        try
+        {
+            var extension = Path.GetExtension(file.Name);
+            if (string.IsNullOrWhiteSpace(extension))
+            {
+                extension = ".cses";
+            }
+
+            var importedDirectory = Path.Combine(
+                Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
+                "LanMountainDesktop",
+                "Schedules");
+            Directory.CreateDirectory(importedDirectory);
+
+            var destinationPath = Path.Combine(
+                importedDirectory,
+                $"{DateTime.Now:yyyyMMdd_HHmmss}_{Guid.NewGuid():N}{extension}");
+
+            await using var sourceStream = await file.OpenReadAsync();
+            await using var destinationStream = File.Create(destinationPath);
+            await sourceStream.CopyToAsync(destinationStream);
+            return destinationPath;
+        }
+        catch
+        {
+            return null;
+        }
+    }
+
+    private void RenderImportedSchedules()
+    {
+        ScheduleItemsPanel.Children.Clear();
+        EmptyStateTextBlock.IsVisible = _importedSchedules.Count == 0;
+        if (_importedSchedules.Count == 0)
+        {
+            return;
+        }
+
+        foreach (var item in _importedSchedules)
+        {
+            var selector = new RadioButton
+            {
+                GroupName = "class_schedule_imports",
+                IsChecked = string.Equals(item.Id, _activeScheduleId, StringComparison.OrdinalIgnoreCase),
+                VerticalAlignment = VerticalAlignment.Center,
+                Tag = item.Id
+            };
+            selector.IsCheckedChanged += OnScheduleSelectionChanged;
+
+            var title = new TextBlock
+            {
+                Text = string.IsNullOrWhiteSpace(item.DisplayName)
+                    ? L("schedule.settings.unnamed", "未命名课表")
+                    : item.DisplayName,
+                FontWeight = FontWeight.SemiBold
+            };
+
+            var path = new TextBlock
+            {
+                Text = item.FilePath,
+                FontSize = 11,
+                Opacity = 0.7,
+                TextTrimming = TextTrimming.CharacterEllipsis
+            };
+
+            var deleteButton = new Button
+            {
+                Content = L("schedule.settings.delete", "删除"),
+                Tag = item.Id,
+                Padding = new Thickness(12, 8),
+                HorizontalAlignment = HorizontalAlignment.Right
+            };
+            deleteButton.Click += OnDeleteScheduleClick;
+
+            var row = new Grid
+            {
+                ColumnDefinitions = new ColumnDefinitions("Auto,*,Auto"),
+                ColumnSpacing = 12
+            };
+            var details = new StackPanel
+            {
+                Spacing = 4,
+                Children = { title, path }
+            };
+            row.Children.Add(selector);
+            row.Children.Add(details);
+            row.Children.Add(deleteButton);
+            Grid.SetColumn(details, 1);
+            Grid.SetColumn(deleteButton, 2);
+
+            ScheduleItemsPanel.Children.Add(new Border
+            {
+                Padding = new Thickness(12, 10),
+                CornerRadius = new CornerRadius(16),
+                Background = Brushes.Transparent,
+                BorderBrush = Brushes.Gray,
+                BorderThickness = new Thickness(1),
+                Child = row
+            });
+        }
+    }
+
+    private void OnScheduleSelectionChanged(object? sender, RoutedEventArgs e)
+    {
+        _ = e;
+        if (sender is not RadioButton radioButton || radioButton.IsChecked != true || radioButton.Tag is not string scheduleId)
+        {
+            return;
+        }
+
+        _activeScheduleId = scheduleId;
+        PersistState();
+    }
+
+    private void OnDeleteScheduleClick(object? sender, RoutedEventArgs e)
+    {
+        _ = e;
+        if (sender is not Button button || button.Tag is not string scheduleId)
+        {
+            return;
+        }
+
+        var removed = _importedSchedules.RemoveAll(item =>
+            string.Equals(item.Id, scheduleId, StringComparison.OrdinalIgnoreCase));
+        if (removed == 0)
+        {
+            return;
+        }
+
+        if (string.Equals(_activeScheduleId, scheduleId, StringComparison.OrdinalIgnoreCase))
+        {
+            _activeScheduleId = _importedSchedules.FirstOrDefault()?.Id ?? string.Empty;
+        }
+
+        PersistState();
+        RenderImportedSchedules();
+    }
+
+    private void PersistState()
+    {
+        var snapshot = LoadSnapshot();
+        snapshot.ImportedClassSchedules = _importedSchedules
+            .Select(item => new ImportedClassScheduleSnapshot
+            {
+                Id = item.Id,
+                DisplayName = item.DisplayName,
+                FilePath = item.FilePath
+            })
+            .ToList();
+        snapshot.ActiveImportedClassScheduleId = _activeScheduleId;
+        SaveSnapshot(
+            snapshot,
+            nameof(ComponentSettingsSnapshot.ImportedClassSchedules),
+            nameof(ComponentSettingsSnapshot.ActiveImportedClassScheduleId));
+    }
+}

LanMountainDesktop/Views/ComponentEditors/ClockComponentEditor.axaml

@@ -0,0 +1,56 @@
+<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"
+             mc:Ignorable="d"
+             x:Class="LanMountainDesktop.Views.ComponentEditors.ClockComponentEditor">
+    <StackPanel Spacing="16">
+        <Border Classes="component-editor-hero-card"
+                Padding="24">
+            <StackPanel Spacing="8">
+                <TextBlock x:Name="HeadlineTextBlock"
+                           Classes="component-editor-headline"
+                           TextWrapping="Wrap" />
+                <TextBlock x:Name="DescriptionTextBlock"
+                           Classes="component-editor-secondary-text"
+                           TextWrapping="Wrap" />
+            </StackPanel>
+        </Border>
+
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <StackPanel Spacing="12">
+                <TextBlock x:Name="TimeZoneLabelTextBlock"
+                           Classes="component-editor-section-title" />
+                <ComboBox x:Name="TimeZoneComboBox"
+                          Classes="component-editor-select"
+                          HorizontalAlignment="Stretch"
+                          SelectionChanged="OnTimeZoneSelectionChanged" />
+            </StackPanel>
+        </Border>
+
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <StackPanel Spacing="12">
+                <TextBlock x:Name="SecondHandLabelTextBlock"
+                           Classes="component-editor-section-title" />
+                
+                <Border Classes="component-editor-segmented-host"
+                        HorizontalAlignment="Left">
+                    <Grid ColumnDefinitions="*,*"
+                          ColumnSpacing="4">
+                        <ToggleButton x:Name="TickRadioButton"
+                                      Classes="component-editor-segmented-choice"
+                                      Checked="OnSecondHandChanged"
+                                      Unchecked="OnSecondHandChanged" />
+                        <ToggleButton x:Name="SweepRadioButton"
+                                      Grid.Column="1"
+                                      Classes="component-editor-segmented-choice"
+                                      Checked="OnSecondHandChanged"
+                                      Unchecked="OnSecondHandChanged" />
+                    </Grid>
+                </Border>
+            </StackPanel>
+        </Border>
+    </StackPanel>
+</UserControl>

LanMountainDesktop/Views/ComponentEditors/ClockComponentEditor.axaml.cs

@@ -0,0 +1,139 @@
+using System;
+using System.Linq;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Models;
+using LanMountainDesktop.Services;
+
+namespace LanMountainDesktop.Views.ComponentEditors;
+
+public partial class ClockComponentEditor : ComponentEditorViewBase
+{
+    private readonly TimeZoneService _timeZoneService = new();
+    private bool _suppressEvents;
+
+    public ClockComponentEditor()
+        : this(null)
+    {
+    }
+
+    public ClockComponentEditor(DesktopComponentEditorContext? context)
+        : base(context)
+    {
+        if (context is not null)
+        {
+            _timeZoneService.CurrentTimeZone = context.SettingsFacade.Region.GetTimeZoneService().CurrentTimeZone;
+        }
+
+        InitializeComponent();
+        ApplyState();
+    }
+
+    private void ApplyState()
+    {
+        HeadlineTextBlock.Text = Context?.Definition.DisplayName ?? "Clock";
+        DescriptionTextBlock.Text = L("clock.settings.desc", "配置时区和秒针动画。");
+        TimeZoneLabelTextBlock.Text = L("clock.settings.timezone", "时区");
+        SecondHandLabelTextBlock.Text = L("clock.settings.second_mode_label", "秒针方式");
+        TickRadioButton.Content = L("clock.second_mode.tick", "跳针");
+        SweepRadioButton.Content = L("clock.second_mode.sweep", "扫针");
+
+        var snapshot = LoadSnapshot();
+        var configuredTimeZoneId = string.IsNullOrWhiteSpace(snapshot.DesktopClockTimeZoneId)
+            ? TimeZoneInfo.Local.Id
+            : snapshot.DesktopClockTimeZoneId.Trim();
+
+        _suppressEvents = true;
+        TimeZoneComboBox.Items.Clear();
+        foreach (var timeZone in _timeZoneService.GetAllTimeZones()
+                     .OrderBy(zone => zone.GetUtcOffset(DateTime.UtcNow))
+                     .ThenBy(zone => zone.DisplayName, StringComparer.OrdinalIgnoreCase))
+        {
+            var item = new ComboBoxItem
+            {
+                Tag = timeZone.Id,
+                Content = FormatTimeZone(timeZone)
+            };
+            item.Classes.Add("component-editor-select-item");
+            TimeZoneComboBox.Items.Add(item);
+        }
+
+        TimeZoneComboBox.SelectedItem = TimeZoneComboBox.Items
+            .OfType<ComboBoxItem>()
+            .FirstOrDefault(item => string.Equals(item.Tag as string, configuredTimeZoneId, StringComparison.OrdinalIgnoreCase))
+            ?? TimeZoneComboBox.Items.OfType<ComboBoxItem>().FirstOrDefault();
+        var secondHandMode = ClockSecondHandMode.Normalize(snapshot.DesktopClockSecondHandMode);
+        TickRadioButton.IsChecked = string.Equals(secondHandMode, ClockSecondHandMode.Tick, StringComparison.OrdinalIgnoreCase);
+        SweepRadioButton.IsChecked = string.Equals(secondHandMode, ClockSecondHandMode.Sweep, StringComparison.OrdinalIgnoreCase);
+        _suppressEvents = false;
+    }
+
+    private void OnTimeZoneSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        _ = sender;
+        _ = e;
+        if (_suppressEvents)
+        {
+            return;
+        }
+
+        SaveState();
+    }
+
+    private void OnSecondHandChanged(object? sender, RoutedEventArgs e)
+    {
+        _ = sender;
+        _ = e;
+        if (_suppressEvents)
+        {
+            return;
+        }
+
+        _suppressEvents = true;
+        if (sender == TickRadioButton)
+        {
+            TickRadioButton.IsChecked = true;
+            SweepRadioButton.IsChecked = false;
+        }
+        else if (sender == SweepRadioButton)
+        {
+            SweepRadioButton.IsChecked = true;
+            TickRadioButton.IsChecked = false;
+        }
+
+        if (TickRadioButton.IsChecked != true && SweepRadioButton.IsChecked != true)
+        {
+            TickRadioButton.IsChecked = true;
+        }
+
+        _suppressEvents = false;
+        SaveState();
+    }
+
+    private void SaveState()
+    {
+        var snapshot = LoadSnapshot();
+        snapshot.DesktopClockTimeZoneId = TimeZoneComboBox.SelectedItem is ComboBoxItem item && item.Tag is string timeZoneId
+            ? timeZoneId
+            : TimeZoneInfo.Local.Id;
+        snapshot.DesktopClockSecondHandMode = SweepRadioButton.IsChecked == true
+            ? ClockSecondHandMode.Sweep
+            : ClockSecondHandMode.Tick;
+
+        SaveSnapshot(
+            snapshot,
+            nameof(ComponentSettingsSnapshot.DesktopClockTimeZoneId),
+            nameof(ComponentSettingsSnapshot.DesktopClockSecondHandMode));
+    }
+
+    private static string FormatTimeZone(TimeZoneInfo timeZone)
+    {
+        var offset = timeZone.GetUtcOffset(DateTime.UtcNow);
+        var sign = offset >= TimeSpan.Zero ? "+" : "-";
+        var totalMinutes = Math.Abs((int)offset.TotalMinutes);
+        var hours = totalMinutes / 60;
+        var minutes = totalMinutes % 60;
+        return $"(UTC{sign}{hours:D2}:{minutes:D2}) {timeZone.StandardName}";
+    }
+}

LanMountainDesktop/Views/ComponentEditors/ComponentEditorViewBase.cs

@@ -0,0 +1,44 @@
+using Avalonia.Controls;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Models;
+using LanMountainDesktop.Services;
+
+namespace LanMountainDesktop.Views.ComponentEditors;
+
+public abstract class ComponentEditorViewBase : UserControl
+{
+    protected ComponentEditorViewBase(DesktopComponentEditorContext? context)
+    {
+        Context = context;
+    }
+
+    protected DesktopComponentEditorContext? Context { get; }
+
+    protected LocalizationService LocalizationService { get; } = new();
+
+    protected string LanguageCode =>
+        LocalizationService.NormalizeLanguageCode(Context?.SettingsFacade.Region.Get().LanguageCode);
+
+    protected string L(string key, string fallback)
+    {
+        return LocalizationService.GetString(LanguageCode, key, fallback);
+    }
+
+    protected ComponentSettingsSnapshot LoadSnapshot()
+    {
+        return Context?.ComponentSettingsAccessor.LoadSnapshot<ComponentSettingsSnapshot>() ?? new ComponentSettingsSnapshot();
+    }
+
+    protected void SaveSnapshot(ComponentSettingsSnapshot snapshot, params string[] changedKeys)
+    {
+        if (Context is null)
+        {
+            return;
+        }
+
+        Context.ComponentSettingsAccessor.SaveSnapshot(
+            snapshot,
+            changedKeys.Length == 0 ? null : changedKeys);
+        Context.HostContext.RequestRefresh();
+    }
+}

LanMountainDesktop/Views/ComponentEditors/DailyArtworkComponentEditor.axaml

@@ -0,0 +1,30 @@
+<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"
+             mc:Ignorable="d"
+             x:Class="LanMountainDesktop.Views.ComponentEditors.DailyArtworkComponentEditor">
+    <StackPanel Spacing="16">
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <StackPanel Spacing="12">
+                <TextBlock x:Name="SourceLabelTextBlock"
+                           Classes="component-editor-section-title" />
+                <ComboBox x:Name="SourceComboBox"
+                          Classes="component-editor-select"
+                          HorizontalAlignment="Stretch"
+                          SelectionChanged="OnSourceSelectionChanged">
+                    <ComboBoxItem x:Name="DomesticItem"
+                                  Classes="component-editor-select-item"
+                                  Tag="Domestic" />
+                    <ComboBoxItem x:Name="OverseasItem"
+                                  Classes="component-editor-select-item"
+                                  Tag="Overseas" />
+                </ComboBox>
+                <TextBlock x:Name="StatusTextBlock"
+                           Classes="component-editor-secondary-text"
+                           TextWrapping="Wrap" />
+            </StackPanel>
+        </Border>
+    </StackPanel>
+</UserControl>

LanMountainDesktop/Views/ComponentEditors/DailyArtworkComponentEditor.axaml.cs

@@ -0,0 +1,64 @@
+using System;
+using Avalonia.Controls;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Models;
+
+namespace LanMountainDesktop.Views.ComponentEditors;
+
+public partial class DailyArtworkComponentEditor : ComponentEditorViewBase
+{
+    private bool _suppressEvents;
+
+    public DailyArtworkComponentEditor()
+        : this(null)
+    {
+    }
+
+    public DailyArtworkComponentEditor(DesktopComponentEditorContext? context)
+        : base(context)
+    {
+        InitializeComponent();
+        ApplyState();
+    }
+
+    private void ApplyState()
+    {
+        SourceLabelTextBlock.Text = L("artwork.settings.source_label", "Mirror Source");
+        DomesticItem.Content = L("artwork.settings.source_domestic", "Domestic Mirror");
+        OverseasItem.Content = L("artwork.settings.source_overseas", "Overseas Mirror");
+
+        _suppressEvents = true;
+        var source = DailyArtworkMirrorSources.Normalize(LoadSnapshot().DailyArtworkMirrorSource);
+        SourceComboBox.SelectedItem = string.Equals(source, DailyArtworkMirrorSources.Domestic, StringComparison.OrdinalIgnoreCase)
+            ? DomesticItem
+            : OverseasItem;
+        UpdateStatus(source);
+        _suppressEvents = false;
+    }
+
+    private void OnSourceSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        _ = sender;
+        _ = e;
+        if (_suppressEvents)
+        {
+            return;
+        }
+
+        var source = SourceComboBox.SelectedItem is ComboBoxItem item && item.Tag is string tag
+            ? DailyArtworkMirrorSources.Normalize(tag)
+            : DailyArtworkMirrorSources.Overseas;
+
+        var snapshot = LoadSnapshot();
+        snapshot.DailyArtworkMirrorSource = source;
+        SaveSnapshot(snapshot, nameof(ComponentSettingsSnapshot.DailyArtworkMirrorSource));
+        UpdateStatus(source);
+    }
+
+    private void UpdateStatus(string source)
+    {
+        StatusTextBlock.Text = string.Equals(source, DailyArtworkMirrorSources.Domestic, StringComparison.OrdinalIgnoreCase)
+            ? L("artwork.settings.source_status_domestic", "当前源：国内镜像（优先中国网络）")
+            : L("artwork.settings.source_status_overseas", "当前源：国外镜像（艺术馆推荐）");
+    }
+}

LanMountainDesktop/Views/ComponentEditors/InformationalComponentEditor.axaml

@@ -0,0 +1,37 @@
+<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"
+             mc:Ignorable="d"
+             x:Class="LanMountainDesktop.Views.ComponentEditors.InformationalComponentEditor">
+    <StackPanel Spacing="16">
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <Grid ColumnDefinitions="Auto,*"
+                  RowDefinitions="Auto,Auto,Auto"
+                  ColumnSpacing="12"
+                  RowSpacing="8">
+                <TextBlock x:Name="ComponentLabelTextBlock"
+                           Classes="component-editor-section-title" />
+                <TextBlock x:Name="ComponentValueTextBlock"
+                           Grid.Column="1" />
+
+                <TextBlock Grid.Row="1"
+                           x:Name="PlacementLabelTextBlock"
+                           Classes="component-editor-section-title" />
+                <TextBlock x:Name="PlacementValueTextBlock"
+                           Grid.Row="1"
+                           Grid.Column="1" />
+
+                <TextBlock Grid.Row="2"
+                           x:Name="ScopeLabelTextBlock"
+                           Classes="component-editor-section-title" />
+                <TextBlock x:Name="ScopeValueTextBlock"
+                           Grid.Row="2"
+                           Grid.Column="1"
+                           Classes="component-editor-secondary-text"
+                           TextWrapping="Wrap" />
+            </Grid>
+        </Border>
+    </StackPanel>
+</UserControl>

LanMountainDesktop/Views/ComponentEditors/InformationalComponentEditor.axaml.cs

@@ -0,0 +1,31 @@
+using LanMountainDesktop.ComponentSystem;
+
+namespace LanMountainDesktop.Views.ComponentEditors;
+
+public partial class InformationalComponentEditor : ComponentEditorViewBase
+{
+    private readonly string _description;
+
+    public InformationalComponentEditor()
+        : this(null, "This component currently exposes instance information only.")
+    {
+    }
+
+    public InformationalComponentEditor(DesktopComponentEditorContext? context, string description)
+        : base(context)
+    {
+        _description = description;
+        InitializeComponent();
+        ApplyState();
+    }
+
+    private void ApplyState()
+    {
+        ComponentLabelTextBlock.Text = L("component.editor.id_label", "Component");
+        ComponentValueTextBlock.Text = Context?.ComponentId ?? "-";
+        PlacementLabelTextBlock.Text = L("component.editor.placement_label", "Placement");
+        PlacementValueTextBlock.Text = Context?.PlacementId ?? "-";
+        ScopeLabelTextBlock.Text = L("component.editor.scope_label", "Scope");
+        ScopeValueTextBlock.Text = L("component.editor.scope_instance", "Instance-scoped editor");
+    }
+}

LanMountainDesktop/Views/ComponentEditors/StudyEnvironmentComponentEditor.axaml

@@ -0,0 +1,45 @@
+<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"
+             mc:Ignorable="d"
+             x:Class="LanMountainDesktop.Views.ComponentEditors.StudyEnvironmentComponentEditor">
+    <StackPanel Spacing="16">
+        <Border Classes="component-editor-hero-card"
+                Padding="24">
+            <StackPanel Spacing="8">
+                <TextBlock x:Name="HeadlineTextBlock"
+                           Classes="component-editor-headline"
+                           TextWrapping="Wrap" />
+                <TextBlock x:Name="DescriptionTextBlock"
+                           Classes="component-editor-secondary-text"
+                           TextWrapping="Wrap" />
+            </StackPanel>
+        </Border>
+
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <StackPanel Spacing="12">
+                <TextBlock x:Name="DisplayDbHeaderTextBlock"
+                           Classes="component-editor-section-title" />
+                <ToggleSwitch x:Name="DisplayDbToggleSwitch"
+                              IsCheckedChanged="OnToggleChanged" />
+            </StackPanel>
+        </Border>
+
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <StackPanel Spacing="12">
+                <TextBlock x:Name="DbfsHeaderTextBlock"
+                           Classes="component-editor-section-title" />
+                <ToggleSwitch x:Name="DbfsToggleSwitch"
+                              IsCheckedChanged="OnToggleChanged" />
+            </StackPanel>
+        </Border>
+
+        <TextBlock x:Name="HintTextBlock"
+                   Classes="component-editor-secondary-text"
+                   Margin="12,0"
+                   TextWrapping="Wrap" />
+    </StackPanel>
+</UserControl>

LanMountainDesktop/Views/ComponentEditors/StudyEnvironmentComponentEditor.axaml.cs

@@ -0,0 +1,72 @@
+using Avalonia.Interactivity;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Models;
+
+namespace LanMountainDesktop.Views.ComponentEditors;
+
+public partial class StudyEnvironmentComponentEditor : ComponentEditorViewBase
+{
+    private bool _suppressEvents;
+
+    public StudyEnvironmentComponentEditor()
+        : this(null)
+    {
+    }
+
+    public StudyEnvironmentComponentEditor(DesktopComponentEditorContext? context)
+        : base(context)
+    {
+        InitializeComponent();
+        ApplyState();
+    }
+
+    private void ApplyState()
+    {
+        var snapshot = LoadSnapshot();
+        var showDisplayDb = snapshot.StudyEnvironmentShowDisplayDb;
+        var showDbfs = snapshot.StudyEnvironmentShowDbfs;
+        if (!showDisplayDb && !showDbfs)
+        {
+            showDisplayDb = true;
+        }
+
+        HeadlineTextBlock.Text = Context?.Definition.DisplayName ?? "Study Environment";
+        DescriptionTextBlock.Text = L("study.environment.settings.desc", "配置右侧实时噪音值显示内容。");
+        DisplayDbToggleSwitch.Content = L("study.environment.settings.show_display_db", "显示 display dB");
+        DbfsToggleSwitch.Content = L("study.environment.settings.show_dbfs", "显示 dBFS");
+        HintTextBlock.Text = L("study.environment.settings.hint", "至少启用一种显示方式。");
+
+        _suppressEvents = true;
+        DisplayDbToggleSwitch.IsChecked = showDisplayDb;
+        DbfsToggleSwitch.IsChecked = showDbfs;
+        _suppressEvents = false;
+    }
+
+    private void OnToggleChanged(object? sender, RoutedEventArgs e)
+    {
+        _ = sender;
+        _ = e;
+        if (_suppressEvents)
+        {
+            return;
+        }
+
+        var showDisplayDb = DisplayDbToggleSwitch.IsChecked == true;
+        var showDbfs = DbfsToggleSwitch.IsChecked == true;
+        if (!showDisplayDb && !showDbfs)
+        {
+            _suppressEvents = true;
+            DisplayDbToggleSwitch.IsChecked = true;
+            _suppressEvents = false;
+            showDisplayDb = true;
+        }
+
+        var snapshot = LoadSnapshot();
+        snapshot.StudyEnvironmentShowDisplayDb = showDisplayDb;
+        snapshot.StudyEnvironmentShowDbfs = showDbfs;
+        SaveSnapshot(
+            snapshot,
+            nameof(ComponentSettingsSnapshot.StudyEnvironmentShowDisplayDb),
+            nameof(ComponentSettingsSnapshot.StudyEnvironmentShowDbfs));
+    }
+}

LanMountainDesktop/Views/ComponentEditors/ToggleIntervalComponentEditor.axaml

@@ -0,0 +1,56 @@
+<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"
+             mc:Ignorable="d"
+             x:Class="LanMountainDesktop.Views.ComponentEditors.ToggleIntervalComponentEditor">
+    <StackPanel Spacing="16">
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <Grid RowDefinitions="Auto,Auto"
+                  ColumnDefinitions="*,Auto"
+                  ColumnSpacing="16"
+                  RowSpacing="6">
+                <StackPanel Spacing="4">
+                    <TextBlock x:Name="ToggleLabelTextBlock"
+                               Classes="component-editor-section-title" />
+                    <TextBlock x:Name="ToggleDescriptionTextBlock"
+                               Classes="component-editor-secondary-text"
+                               TextWrapping="Wrap" />
+                </StackPanel>
+                <ToggleSwitch x:Name="EnabledToggleSwitch"
+                              Grid.Column="1"
+                              VerticalAlignment="Center"
+                              Checked="OnEnabledChanged"
+                              Unchecked="OnEnabledChanged" />
+            </Grid>
+        </Border>
+
+        <Border x:Name="IntervalCard"
+                Classes="component-editor-card"
+                Padding="20">
+            <StackPanel Spacing="12">
+                <TextBlock x:Name="IntervalLabelTextBlock"
+                           Classes="component-editor-section-title" />
+                <ComboBox x:Name="IntervalComboBox"
+                          Classes="component-editor-select"
+                          HorizontalAlignment="Stretch"
+                          SelectionChanged="OnIntervalSelectionChanged" />
+            </StackPanel>
+        </Border>
+
+        <Border x:Name="ExtraSelectorCard"
+                Classes="component-editor-card"
+                Padding="20"
+                IsVisible="False">
+            <StackPanel Spacing="12">
+                <TextBlock x:Name="ExtraSelectorLabelTextBlock"
+                           Classes="component-editor-section-title" />
+                <ComboBox x:Name="ExtraSelectorComboBox"
+                          Classes="component-editor-select"
+                          HorizontalAlignment="Stretch"
+                          SelectionChanged="OnExtraSelectionChanged" />
+            </StackPanel>
+        </Border>
+    </StackPanel>
+</UserControl>

LanMountainDesktop/Views/ComponentEditors/ToggleIntervalComponentEditor.axaml.cs

@@ -0,0 +1,204 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Models;
+using LanMountainDesktop.Services;
+
+namespace LanMountainDesktop.Views.ComponentEditors;
+
+public sealed record ComponentEditorSelectionOption(
+    string Value,
+    string LabelKey,
+    string FallbackLabel);
+
+public sealed class ToggleIntervalComponentEditorOptions
+{
+    public required string DescriptionKey { get; init; }
+    public required string DescriptionFallback { get; init; }
+    public required string ToggleLabelKey { get; init; }
+    public required string ToggleLabelFallback { get; init; }
+    public string ToggleDescriptionKey { get; init; } = string.Empty;
+    public string ToggleDescriptionFallback { get; init; } = string.Empty;
+    public required string IntervalLabelKey { get; init; }
+    public required string IntervalLabelFallback { get; init; }
+    public required Func<ComponentSettingsSnapshot, bool> GetEnabled { get; init; }
+    public required Action<ComponentSettingsSnapshot, bool> SetEnabled { get; init; }
+    public required Func<ComponentSettingsSnapshot, int> GetInterval { get; init; }
+    public required Action<ComponentSettingsSnapshot, int> SetInterval { get; init; }
+    public required int DefaultInterval { get; init; }
+    public IReadOnlyList<string> ChangedKeys { get; init; } = Array.Empty<string>();
+    public string ExtraSelectorLabelKey { get; init; } = string.Empty;
+    public string ExtraSelectorLabelFallback { get; init; } = string.Empty;
+    public IReadOnlyList<ComponentEditorSelectionOption> ExtraOptions { get; init; } = Array.Empty<ComponentEditorSelectionOption>();
+    public Func<ComponentSettingsSnapshot, string>? GetExtraValue { get; init; }
+    public Action<ComponentSettingsSnapshot, string>? SetExtraValue { get; init; }
+}
+
+public partial class ToggleIntervalComponentEditor : ComponentEditorViewBase
+{
+    private static readonly IReadOnlyList<int> SupportedIntervals = RefreshIntervalCatalog.SupportedIntervalsMinutes;
+    private readonly ToggleIntervalComponentEditorOptions _options;
+    private bool _suppressEvents;
+
+    public ToggleIntervalComponentEditor()
+        : this(null, new ToggleIntervalComponentEditorOptions
+        {
+            DescriptionKey = "component.editor.desc",
+            DescriptionFallback = "Configure this component.",
+            ToggleLabelKey = "component.editor.toggle",
+            ToggleLabelFallback = "Enabled",
+            IntervalLabelKey = "component.editor.interval",
+            IntervalLabelFallback = "Refresh interval",
+            DefaultInterval = 15,
+            GetEnabled = _ => true,
+            SetEnabled = (_, _) => { },
+            GetInterval = _ => 15,
+            SetInterval = (_, _) => { }
+        })
+    {
+    }
+
+    public ToggleIntervalComponentEditor(
+        DesktopComponentEditorContext? context,
+        ToggleIntervalComponentEditorOptions options)
+        : base(context)
+    {
+        _options = options;
+        InitializeComponent();
+        BuildOptions();
+        ApplyState();
+    }
+
+    private void BuildOptions()
+    {
+        IntervalComboBox.Items.Clear();
+        foreach (var minutes in SupportedIntervals)
+        {
+            var item = new ComboBoxItem
+            {
+                Tag = minutes.ToString(),
+                Content = L("refresh.frequency." + RefreshIntervalCatalog.ToLocalizationKeySuffix(minutes), RefreshIntervalCatalog.ToEnglishFallbackLabel(minutes))
+            };
+            item.Classes.Add("component-editor-select-item");
+            IntervalComboBox.Items.Add(item);
+        }
+
+        ExtraSelectorComboBox.Items.Clear();
+        foreach (var option in _options.ExtraOptions)
+        {
+            var item = new ComboBoxItem
+            {
+                Tag = option.Value,
+                Content = L(option.LabelKey, option.FallbackLabel)
+            };
+            item.Classes.Add("component-editor-select-item");
+            ExtraSelectorComboBox.Items.Add(item);
+        }
+    }
+
+    private void ApplyState()
+    {
+        ToggleLabelTextBlock.Text = L(_options.ToggleLabelKey, _options.ToggleLabelFallback);
+        ToggleDescriptionTextBlock.Text = string.IsNullOrWhiteSpace(_options.ToggleDescriptionKey)
+            ? L("component.editor.instance_scope", "Changes are stored per component instance.")
+            : L(_options.ToggleDescriptionKey, _options.ToggleDescriptionFallback);
+        IntervalLabelTextBlock.Text = L(_options.IntervalLabelKey, _options.IntervalLabelFallback);
+        ExtraSelectorLabelTextBlock.Text = L(_options.ExtraSelectorLabelKey, _options.ExtraSelectorLabelFallback);
+        ExtraSelectorCard.IsVisible = _options.ExtraOptions.Count > 0;
+
+        _suppressEvents = true;
+        try
+        {
+            var snapshot = LoadSnapshot();
+            var enabled = _options.GetEnabled(snapshot);
+            EnabledToggleSwitch.IsChecked = enabled;
+            IntervalCard.IsVisible = enabled;
+
+            var normalizedInterval = RefreshIntervalCatalog.Normalize(_options.GetInterval(snapshot), _options.DefaultInterval);
+            IntervalComboBox.SelectedItem = IntervalComboBox.Items
+                .OfType<ComboBoxItem>()
+                .FirstOrDefault(item => item.Tag is string tag && int.TryParse(tag, out var minutes) && minutes == normalizedInterval);
+
+            if (_options.GetExtraValue is not null && _options.ExtraOptions.Count > 0)
+            {
+                var extraValue = _options.GetExtraValue(snapshot);
+                ExtraSelectorComboBox.SelectedItem = ExtraSelectorComboBox.Items
+                    .OfType<ComboBoxItem>()
+                    .FirstOrDefault(item => string.Equals(item.Tag as string, extraValue, StringComparison.OrdinalIgnoreCase))
+                    ?? ExtraSelectorComboBox.Items.OfType<ComboBoxItem>().FirstOrDefault();
+            }
+        }
+        finally
+        {
+            _suppressEvents = false;
+        }
+    }
+
+    private void OnEnabledChanged(object? sender, RoutedEventArgs e)
+    {
+        _ = sender;
+        _ = e;
+        if (_suppressEvents)
+        {
+            return;
+        }
+
+        IntervalCard.IsVisible = EnabledToggleSwitch.IsChecked == true;
+        SaveState();
+    }
+
+    private void OnIntervalSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        _ = sender;
+        _ = e;
+        if (_suppressEvents)
+        {
+            return;
+        }
+
+        SaveState();
+    }
+
+    private void OnExtraSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        _ = sender;
+        _ = e;
+        if (_suppressEvents)
+        {
+            return;
+        }
+
+        SaveState();
+    }
+
+    private void SaveState()
+    {
+        var snapshot = LoadSnapshot();
+        _options.SetEnabled(snapshot, EnabledToggleSwitch.IsChecked == true);
+        _options.SetInterval(snapshot, GetSelectedInterval());
+
+        if (_options.SetExtraValue is not null &&
+            ExtraSelectorComboBox.SelectedItem is ComboBoxItem extraItem &&
+            extraItem.Tag is string extraValue)
+        {
+            _options.SetExtraValue(snapshot, extraValue);
+        }
+
+        SaveSnapshot(snapshot, _options.ChangedKeys.ToArray());
+    }
+
+    private int GetSelectedInterval()
+    {
+        if (IntervalComboBox.SelectedItem is ComboBoxItem item &&
+            item.Tag is string tag &&
+            int.TryParse(tag, out var minutes))
+        {
+            return RefreshIntervalCatalog.Normalize(minutes, _options.DefaultInterval);
+        }
+
+        return _options.DefaultInterval;
+    }
+}

LanMountainDesktop/Views/ComponentEditors/WorldClockComponentEditor.axaml

@@ -0,0 +1,92 @@
+<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"
+             mc:Ignorable="d"
+             x:Class="LanMountainDesktop.Views.ComponentEditors.WorldClockComponentEditor">
+    <StackPanel Spacing="16">
+        <Border Classes="component-editor-hero-card"
+                Padding="24">
+            <StackPanel Spacing="8">
+                <TextBlock x:Name="HeadlineTextBlock"
+                           Classes="component-editor-headline"
+                           TextWrapping="Wrap" />
+                <TextBlock x:Name="DescriptionTextBlock"
+                           Classes="component-editor-secondary-text"
+                           TextWrapping="Wrap" />
+            </StackPanel>
+        </Border>
+
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <StackPanel Spacing="12">
+                <TextBlock x:Name="ClockOneLabelTextBlock"
+                           Classes="component-editor-section-title" />
+                <ComboBox x:Name="ClockOneComboBox"
+                          Classes="component-editor-select"
+                          HorizontalAlignment="Stretch"
+                          SelectionChanged="OnTimeZoneSelectionChanged" />
+            </StackPanel>
+        </Border>
+
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <StackPanel Spacing="12">
+                <TextBlock x:Name="ClockTwoLabelTextBlock"
+                           Classes="component-editor-section-title" />
+                <ComboBox x:Name="ClockTwoComboBox"
+                          Classes="component-editor-select"
+                          HorizontalAlignment="Stretch"
+                          SelectionChanged="OnTimeZoneSelectionChanged" />
+            </StackPanel>
+        </Border>
+
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <StackPanel Spacing="12">
+                <TextBlock x:Name="ClockThreeLabelTextBlock"
+                           Classes="component-editor-section-title" />
+                <ComboBox x:Name="ClockThreeComboBox"
+                          Classes="component-editor-select"
+                          HorizontalAlignment="Stretch"
+                          SelectionChanged="OnTimeZoneSelectionChanged" />
+            </StackPanel>
+        </Border>
+
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <StackPanel Spacing="12">
+                <TextBlock x:Name="ClockFourLabelTextBlock"
+                           Classes="component-editor-section-title" />
+                <ComboBox x:Name="ClockFourComboBox"
+                          Classes="component-editor-select"
+                          HorizontalAlignment="Stretch"
+                          SelectionChanged="OnTimeZoneSelectionChanged" />
+            </StackPanel>
+        </Border>
+
+        <Border Classes="component-editor-card"
+                Padding="20">
+            <StackPanel Spacing="12">
+                <TextBlock x:Name="SecondHandLabelTextBlock"
+                           Classes="component-editor-section-title" />
+
+                <Border Classes="component-editor-segmented-host"
+                        HorizontalAlignment="Left">
+                    <Grid ColumnDefinitions="*,*"
+                          ColumnSpacing="4">
+                        <ToggleButton x:Name="TickRadioButton"
+                                      Classes="component-editor-segmented-choice"
+                                      Checked="OnSecondHandChanged"
+                                      Unchecked="OnSecondHandChanged" />
+                        <ToggleButton x:Name="SweepRadioButton"
+                                      Grid.Column="1"
+                                      Classes="component-editor-segmented-choice"
+                                      Checked="OnSecondHandChanged"
+                                      Unchecked="OnSecondHandChanged" />
+                    </Grid>
+                </Border>
+            </StackPanel>
+        </Border>
+    </StackPanel>
+</UserControl>

LanMountainDesktop/Views/ComponentEditors/WorldClockComponentEditor.axaml.cs

@@ -0,0 +1,152 @@
+using System;
+using System.Linq;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using LanMountainDesktop.ComponentSystem;
+using LanMountainDesktop.Models;
+using LanMountainDesktop.Services;
+
+namespace LanMountainDesktop.Views.ComponentEditors;
+
+public partial class WorldClockComponentEditor : ComponentEditorViewBase
+{
+    private readonly TimeZoneService _timeZoneService = new();
+    private readonly ComboBox[] _timeZoneCombos;
+    private bool _suppressEvents;
+
+    public WorldClockComponentEditor()
+        : this(null)
+    {
+    }
+
+    public WorldClockComponentEditor(DesktopComponentEditorContext? context)
+        : base(context)
+    {
+        if (context is not null)
+        {
+            _timeZoneService.CurrentTimeZone = context.SettingsFacade.Region.GetTimeZoneService().CurrentTimeZone;
+        }
+
+        InitializeComponent();
+        _timeZoneCombos = [ClockOneComboBox, ClockTwoComboBox, ClockThreeComboBox, ClockFourComboBox];
+        ApplyState();
+    }
+
+    private void ApplyState()
+    {
+        HeadlineTextBlock.Text = Context?.Definition.DisplayName ?? "World Clock";
+        DescriptionTextBlock.Text = L("worldclock.settings.desc", "分别为四个时钟选择时区。");
+        ClockOneLabelTextBlock.Text = L("worldclock.settings.clock_1", "时钟 1");
+        ClockTwoLabelTextBlock.Text = L("worldclock.settings.clock_2", "时钟 2");
+        ClockThreeLabelTextBlock.Text = L("worldclock.settings.clock_3", "时钟 3");
+        ClockFourLabelTextBlock.Text = L("worldclock.settings.clock_4", "时钟 4");
+        SecondHandLabelTextBlock.Text = L("worldclock.settings.second_mode_label", "秒针方式");
+        TickRadioButton.Content = L("clock.second_mode.tick", "跳针");
+        SweepRadioButton.Content = L("clock.second_mode.sweep", "扫针");
+
+        var allTimeZones = _timeZoneService.GetAllTimeZones()
+            .OrderBy(zone => zone.GetUtcOffset(DateTime.UtcNow))
+            .ThenBy(zone => zone.DisplayName, StringComparer.OrdinalIgnoreCase)
+            .ToList();
+        var selectedIds = WorldClockTimeZoneCatalog.NormalizeTimeZoneIds(LoadSnapshot().WorldClockTimeZoneIds, allTimeZones);
+
+        _suppressEvents = true;
+        foreach (var combo in _timeZoneCombos)
+        {
+            combo.Items.Clear();
+            foreach (var zone in allTimeZones)
+            {
+                var item = new ComboBoxItem
+                {
+                    Tag = zone.Id,
+                    Content = FormatTimeZone(zone)
+                };
+                item.Classes.Add("component-editor-select-item");
+                combo.Items.Add(item);
+            }
+        }
+
+        for (var index = 0; index < _timeZoneCombos.Length; index++)
+        {
+            var combo = _timeZoneCombos[index];
+            var targetId = index < selectedIds.Count ? selectedIds[index] : TimeZoneInfo.Local.Id;
+            combo.SelectedItem = combo.Items
+                .OfType<ComboBoxItem>()
+                .FirstOrDefault(item => string.Equals(item.Tag as string, targetId, StringComparison.OrdinalIgnoreCase))
+                ?? combo.Items.OfType<ComboBoxItem>().FirstOrDefault();
+        }
+
+        var secondMode = ClockSecondHandMode.Normalize(LoadSnapshot().WorldClockSecondHandMode);
+        TickRadioButton.IsChecked = string.Equals(secondMode, ClockSecondHandMode.Tick, StringComparison.OrdinalIgnoreCase);
+        SweepRadioButton.IsChecked = string.Equals(secondMode, ClockSecondHandMode.Sweep, StringComparison.OrdinalIgnoreCase);
+        _suppressEvents = false;
+    }
+
+    private void OnTimeZoneSelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        _ = sender;
+        _ = e;
+        if (_suppressEvents)
+        {
+            return;
+        }
+
+        SaveState();
+    }
+
+    private void OnSecondHandChanged(object? sender, RoutedEventArgs e)
+    {
+        _ = sender;
+        _ = e;
+        if (_suppressEvents)
+        {
+            return;
+        }
+
+        _suppressEvents = true;
+        if (sender == TickRadioButton)
+        {
+            TickRadioButton.IsChecked = true;
+            SweepRadioButton.IsChecked = false;
+        }
+        else if (sender == SweepRadioButton)
+        {
+            SweepRadioButton.IsChecked = true;
+            TickRadioButton.IsChecked = false;
+        }
+
+        if (TickRadioButton.IsChecked != true && SweepRadioButton.IsChecked != true)
+        {
+            TickRadioButton.IsChecked = true;
+        }
+
+        _suppressEvents = false;
+        SaveState();
+    }
+
+    private void SaveState()
+    {
+        var snapshot = LoadSnapshot();
+        snapshot.WorldClockTimeZoneIds = _timeZoneCombos
+            .Select(combo => combo.SelectedItem is ComboBoxItem item && item.Tag is string tag ? tag : TimeZoneInfo.Local.Id)
+            .ToList();
+        snapshot.WorldClockSecondHandMode = SweepRadioButton.IsChecked == true
+            ? ClockSecondHandMode.Sweep
+            : ClockSecondHandMode.Tick;
+
+        SaveSnapshot(
+            snapshot,
+            nameof(ComponentSettingsSnapshot.WorldClockTimeZoneIds),
+            nameof(ComponentSettingsSnapshot.WorldClockSecondHandMode));
+    }
+
+    private static string FormatTimeZone(TimeZoneInfo timeZone)
+    {
+        var offset = timeZone.GetUtcOffset(DateTime.UtcNow);
+        var sign = offset >= TimeSpan.Zero ? "+" : "-";
+        var totalMinutes = Math.Abs((int)offset.TotalMinutes);
+        var hours = totalMinutes / 60;
+        var minutes = totalMinutes % 60;
+        return $"(UTC{sign}{hours:D2}:{minutes:D2}) {timeZone.StandardName}";
+    }
+}

LanMountainDesktop/Views/MainWindow.ComponentSystem.cs

@@ -508,6 +508,17 @@ public partial class MainWindow
 
             if (_selectedDesktopComponentHost is not null)
             {
+                if (TryGetSelectedDesktopPlacement(out var selectedPlacement) &&
+                    _componentEditorRegistry.TryGetDescriptor(selectedPlacement.ComponentId, out _))
+                {
+                    actions.Add(new TaskbarActionItem(
+                        TaskbarActionId.EditComponent,
+                        L("component.edit", "Edit"),
+                        "Edit",
+                        IsVisible: true,
+                        CommandKey: "component.edit"));
+                }
+
                 actions.Add(new TaskbarActionItem(
                     TaskbarActionId.DeleteComponent,
                     L("component.delete", "Delete"),
@@ -606,15 +617,12 @@ public partial class MainWindow
                                  action.Id == TaskbarActionId.DeleteComponent;
             var isHideAction = action.Id == TaskbarActionId.HideLauncherEntry;
 
-            Symbol iconSymbol;
-            if (isDeleteAction || isHideAction)
+            var iconSymbol = action.Id switch
             {
-                iconSymbol = Symbol.Delete;
-            }
-            else
-            {
-                iconSymbol = Symbol.Add;
-            }
+                TaskbarActionId.EditComponent => Symbol.Edit,
+                _ when isDeleteAction || isHideAction => Symbol.Delete,
+                _ => Symbol.Add
+            };
 
             Control icon = new SymbolIcon
             {
@@ -675,6 +683,9 @@ public partial class MainWindow
             case "component.delete":
                 DeleteSelectedComponent();
                 break;
+            case "component.edit":
+                OpenSelectedComponentEditor();
+                break;
             case "launcher.hide":
                 HideSelectedLauncherEntry();
                 break;
@@ -695,6 +706,11 @@ public partial class MainWindow
             return;
         }
 
+        if (string.Equals(_componentEditorWindowService.CurrentPlacementId, placement.PlacementId, StringComparison.OrdinalIgnoreCase))
+        {
+            _componentEditorWindowService.Close();
+        }
+
         ClearTimeZoneServiceBindings(_selectedDesktopComponentHost);
         DisposeComponentIfNeeded(_selectedDesktopComponentHost);
 
@@ -713,6 +729,90 @@ public partial class MainWindow
         PersistSettings();
     }
 
+    private void OpenSelectedComponentEditor()
+    {
+        if (!TryGetSelectedDesktopPlacement(out var placement) ||
+            !_componentEditorRegistry.TryGetDescriptor(placement.ComponentId, out var descriptor))
+        {
+            return;
+        }
+
+        _componentEditorWindowService.Open(new ComponentEditorOpenRequest(
+            Owner: this,
+            Descriptor: descriptor,
+            ComponentId: placement.ComponentId,
+            PlacementId: placement.PlacementId,
+            RefreshAction: () => RefreshDesktopComponentPlacement(placement.PlacementId)));
+    }
+
+    private bool TryGetSelectedDesktopPlacement(out DesktopComponentPlacementSnapshot placement)
+    {
+        placement = null!;
+        if (_selectedDesktopComponentHost?.Tag is not string placementId)
+        {
+            return false;
+        }
+
+        var matchedPlacement = _desktopComponentPlacements.FirstOrDefault(candidate =>
+            string.Equals(candidate.PlacementId, placementId, StringComparison.OrdinalIgnoreCase));
+        if (matchedPlacement is null)
+        {
+            return false;
+        }
+
+        placement = matchedPlacement;
+        return true;
+    }
+
+    private void RefreshDesktopComponentPlacement(string placementId)
+    {
+        if (string.IsNullOrWhiteSpace(placementId))
+        {
+            return;
+        }
+
+        var placement = _desktopComponentPlacements.FirstOrDefault(candidate =>
+            string.Equals(candidate.PlacementId, placementId, StringComparison.OrdinalIgnoreCase));
+        if (placement is null ||
+            !_desktopPageComponentGrids.TryGetValue(placement.PageIndex, out var pageGrid))
+        {
+            return;
+        }
+
+        var host = pageGrid.Children
+            .OfType<Border>()
+            .FirstOrDefault(candidate => string.Equals(candidate.Tag as string, placementId, StringComparison.OrdinalIgnoreCase));
+        if (host is null)
+        {
+            RestoreDesktopPageComponents(placement.PageIndex);
+            ApplyTaskbarActionVisibility(GetCurrentTaskbarContext());
+            return;
+        }
+
+        var component = CreateDesktopComponentControl(placement.ComponentId, placement.PlacementId, placement.PageIndex);
+        if (component is null)
+        {
+            return;
+        }
+
+        if (TryGetContentHost(host) is not Border contentHost)
+        {
+            RestoreDesktopPageComponents(placement.PageIndex);
+            ApplyTaskbarActionVisibility(GetCurrentTaskbarContext());
+            return;
+        }
+
+        ClearTimeZoneServiceBindings(host);
+        DisposeComponentIfNeeded(host);
+        contentHost.Child = component;
+        ApplyDesktopEditStateToHost(host, _isComponentLibraryOpen);
+        UpdateDesktopPageAwareComponentContext();
+        if (_selectedDesktopComponentHost == host)
+        {
+            ApplySelectionStateToHost(host, true);
+        }
+    }
+
     private static void DisposeComponentIfNeeded(Border host)
     {
         if (TryGetContentHost(host) is Border contentHost && contentHost.Child is Control componentControl)
@@ -724,7 +824,7 @@ public partial class MainWindow
         }
     }
 
-    // Component settings popup UI is removed in API-only settings hard-cut mode.
+    // Legacy in-window popup editor is removed; component editing now routes through the Material editor window service.
 
     private void AddDesktopPage()
     {
@@ -1680,6 +1780,9 @@ public partial class MainWindow
             ApplySelectionStateToHost(_selectedDesktopComponentHost, false);
             _selectedDesktopComponentHost = null;
         }
+
+        _componentEditorWindowService.Close();
+        ApplyTaskbarActionVisibility(GetCurrentTaskbarContext());
     }
 
     private void BeginDesktopComponentMoveDrag(Border sourceHost, DesktopComponentPlacementSnapshot placement, PointerPressedEventArgs e)

LanMountainDesktop/Views/MainWindow.SettingsHardCut.Stubs.cs

@@ -158,7 +158,7 @@ public partial class MainWindow
         _weatherLongitude = snapshot.WeatherLongitude;
         _weatherAutoRefreshLocation = snapshot.WeatherAutoRefreshLocation;
         _weatherExcludedAlertsRaw = snapshot.WeatherExcludedAlerts ?? string.Empty;
-        _weatherIconPackId = string.IsNullOrWhiteSpace(snapshot.WeatherIconPackId) ? "FluentRegular" : snapshot.WeatherIconPackId;
+        _weatherIconPackId = string.IsNullOrWhiteSpace(snapshot.WeatherIconPackId) ? "HyperOS3" : snapshot.WeatherIconPackId;
         _weatherNoTlsRequests = snapshot.WeatherNoTlsRequests;
     }
 
@@ -488,6 +488,7 @@ public partial class MainWindow
 
     private AppSettingsSnapshot BuildAppSettingsSnapshot()
     {
+        var latestWeatherState = _weatherSettingsService.Get();
         return new AppSettingsSnapshot
         {
             GridShortSideCells = _targetShortSideCells,
@@ -500,15 +501,16 @@ public partial class MainWindow
             WallpaperColor = _wallpaperSolidColor?.ToString(),
             LanguageCode = _languageCode,
             TimeZoneId = _timeZoneService.CurrentTimeZone.Id,
-            WeatherLocationMode = _weatherLocationMode.ToString(),
-            WeatherLocationKey = _weatherLocationKey,
-            WeatherLocationName = _weatherLocationName,
-            WeatherLatitude = _weatherLatitude,
-            WeatherLongitude = _weatherLongitude,
-            WeatherAutoRefreshLocation = _weatherAutoRefreshLocation,
-            WeatherExcludedAlerts = _weatherExcludedAlertsRaw,
-            WeatherIconPackId = _weatherIconPackId,
-            WeatherNoTlsRequests = _weatherNoTlsRequests,
+            WeatherLocationMode = latestWeatherState.LocationMode,
+            WeatherLocationKey = latestWeatherState.LocationKey,
+            WeatherLocationName = latestWeatherState.LocationName,
+            WeatherLatitude = latestWeatherState.Latitude,
+            WeatherLongitude = latestWeatherState.Longitude,
+            WeatherAutoRefreshLocation = latestWeatherState.AutoRefreshLocation,
+            WeatherLocationQuery = latestWeatherState.LocationQuery,
+            WeatherExcludedAlerts = latestWeatherState.ExcludedAlerts,
+            WeatherIconPackId = latestWeatherState.IconPackId,
+            WeatherNoTlsRequests = latestWeatherState.NoTlsRequests,
             AutoStartWithWindows = _autoStartWithWindows,
             AppRenderMode = _selectedAppRenderMode,
             TopStatusComponentIds = [.. _topStatusComponentIds],

LanMountainDesktop/Views/MainWindow.axaml.cs

@@ -95,7 +95,9 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
     private readonly ICalculatorDataService _calculatorDataService = new CalculatorDataService();
     private readonly ComponentRegistry _componentRegistry;
     private readonly DesktopComponentRuntimeRegistry _componentRuntimeRegistry;
+    private readonly DesktopComponentEditorRegistry _componentEditorRegistry;
     private readonly IComponentLibraryService _componentLibraryService;
+    private readonly IComponentEditorWindowService _componentEditorWindowService;
     private readonly IEmbeddedComponentLibraryService _componentLibraryWindowService = new EmbeddedComponentLibraryService();
     private ComponentLibraryWindow? _detachedComponentLibraryWindow;
     private readonly FluentAvaloniaTheme? _fluentAvaloniaTheme;
@@ -164,7 +166,7 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
     private double _weatherLongitude = 116.4074;
     private bool _weatherAutoRefreshLocation;
     private string _weatherExcludedAlertsRaw = string.Empty;
-    private string _weatherIconPackId = "FluentRegular";
+    private string _weatherIconPackId = "HyperOS3";
     private bool _weatherNoTlsRequests;
     private bool _autoStartWithWindows;
     private bool _suppressAutoStartToggleEvents;
@@ -197,7 +199,11 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
             _componentRegistry,
             pluginRuntimeService,
             _settingsFacade);
+        _componentEditorRegistry = DesktopComponentEditorRegistryFactory.Create(
+            _componentRegistry,
+            pluginRuntimeService);
         _componentLibraryService = new ComponentLibraryService(_componentRegistry, _componentRuntimeRegistry);
+        _componentEditorWindowService = new ComponentEditorWindowService(_settingsFacade);
         _fluentAvaloniaTheme = Application.Current?.Styles.OfType<FluentAvaloniaTheme>().FirstOrDefault();
         _settingsService.Changed += OnSettingsChanged;
         PropertyChanged += OnWindowPropertyChanged;
@@ -307,6 +313,7 @@ public partial class MainWindow : Window, ISettingsWindowAnchorProvider
     protected override void OnClosed(EventArgs e)
     {
         PersistSettings();
+        _componentEditorWindowService.Close();
         if (_detachedComponentLibraryWindow is not null)
         {
             _detachedComponentLibraryWindow.AddComponentRequested -= OnDetachedComponentLibraryAddComponentRequested;

LanMountainDesktop/Views/SettingsPages/LauncherSettingsPage.axaml

@@ -0,0 +1,97 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:vm="using:LanMountainDesktop.ViewModels"
+             xmlns:controls="using:LanMountainDesktop.Controls"
+             xmlns:ui="using:FluentAvalonia.UI.Controls"
+             xmlns:fi="using:FluentIcons.Avalonia.Fluent"
+             x:Class="LanMountainDesktop.Views.SettingsPages.LauncherSettingsPage"
+             x:DataType="vm:LauncherSettingsPageViewModel">
+    <ScrollViewer VerticalScrollBarVisibility="Auto">
+        <StackPanel Classes="settings-page-container">
+
+            <Border Classes="settings-section-card">
+                <Grid ColumnDefinitions="Auto,*,Auto"
+                      ColumnSpacing="18">
+                    <Border Classes="settings-section-card-icon-host"
+                            Width="72"
+                            Height="72"
+                            Padding="10">
+                        <fi:SymbolIcon Symbol="Apps"
+                                       FontSize="34"
+                                       HorizontalAlignment="Center"
+                                       VerticalAlignment="Center" />
+                    </Border>
+
+                    <StackPanel Grid.Column="1"
+                                Spacing="4"
+                                VerticalAlignment="Center">
+                        <TextBlock Classes="settings-card-header"
+                                   Text="{Binding LauncherHeader}" />
+                        <TextBlock Classes="settings-card-description"
+                                   Text="{Binding LauncherSubtitle}" />
+                        <TextBlock Classes="settings-item-description"
+                                   Margin="0,10,0,0"
+                                   Text="{Binding HiddenHint}"
+                                   TextWrapping="Wrap" />
+                    </StackPanel>
+
+                    <StackPanel Grid.Column="2"
+                                Spacing="4"
+                                HorizontalAlignment="Right"
+                                VerticalAlignment="Center">
+                        <TextBlock Classes="settings-section-title"
+                                   FontSize="28"
+                                   HorizontalAlignment="Right"
+                                   Margin="0"
+                                   Text="{Binding HiddenCountText}" />
+                        <TextBlock Classes="settings-item-description"
+                                   HorizontalAlignment="Right"
+                                   Text="{Binding HiddenSummary}" />
+                    </StackPanel>
+                </Grid>
+            </Border>
+
+            <controls:IconText Icon="Apps"
+                               Text="{Binding HiddenHeader}"
+                               Margin="0,0,0,4" />
+
+            <ui:SettingsExpander Classes="settings-expander-card"
+                                 Header="{Binding HiddenHeader}"
+                                 Description="{Binding HiddenDescription}"
+                                 IsExpanded="True">
+                <ui:SettingsExpander.IconSource>
+                    <fi:SymbolIconSource Symbol="Apps" />
+                </ui:SettingsExpander.IconSource>
+                <ui:SettingsExpanderItem>
+                    <StackPanel Spacing="8">
+                        <TextBlock Classes="settings-item-description"
+                                   IsVisible="{Binding IsHiddenItemsEmpty}"
+                                   Margin="0,0,0,4"
+                                   Text="{Binding HiddenEmptyText}"
+                                   TextWrapping="Wrap" />
+
+                        <ItemsControl ItemsSource="{Binding HiddenItems}"
+                                      IsVisible="{Binding HasHiddenItems}">
+                            <ItemsControl.ItemTemplate>
+                                <DataTemplate x:DataType="vm:LauncherHiddenItemViewModel">
+                                    <ui:SettingsExpanderItem Content="{Binding DisplayName}"
+                                                             Description="{Binding TypeLabel}"
+                                                             IsClickEnabled="False">
+                                        <ui:SettingsExpanderItem.IconSource>
+                                            <fi:SymbolIconSource Symbol="{Binding IconSymbol}" />
+                                        </ui:SettingsExpanderItem.IconSource>
+                                        <ui:SettingsExpanderItem.Footer>
+                                            <Button Command="{Binding RestoreCommand}"
+                                                    Content="{Binding RestoreButtonText}"
+                                                    VerticalAlignment="Center" />
+                                        </ui:SettingsExpanderItem.Footer>
+                                    </ui:SettingsExpanderItem>
+                                </DataTemplate>
+                            </ItemsControl.ItemTemplate>
+                        </ItemsControl>
+                    </StackPanel>
+                </ui:SettingsExpanderItem>
+            </ui:SettingsExpander>
+        </StackPanel>
+    </ScrollViewer>
+</UserControl>

LanMountainDesktop/Views/SettingsPages/LauncherSettingsPage.axaml.cs

@@ -0,0 +1,31 @@
+using LanMountainDesktop.PluginSdk;
+using LanMountainDesktop.Services.Settings;
+using LanMountainDesktop.ViewModels;
+
+namespace LanMountainDesktop.Views.SettingsPages;
+
+[SettingsPageInfo(
+    "launcher",
+    "App Launcher",
+    SettingsPageCategory.Components,
+    IconKey = "Apps",
+    SortOrder = 10,
+    Scope = SettingsScope.Launcher,
+    TitleLocalizationKey = "settings.launcher.title",
+    DescriptionLocalizationKey = "settings.launcher.description")]
+public partial class LauncherSettingsPage : SettingsPageBase
+{
+    public LauncherSettingsPage()
+        : this(new LauncherSettingsPageViewModel(HostSettingsFacadeProvider.GetOrCreate()))
+    {
+    }
+
+    public LauncherSettingsPage(LauncherSettingsPageViewModel viewModel)
+    {
+        ViewModel = viewModel;
+        DataContext = ViewModel;
+        InitializeComponent();
+    }
+
+    public LauncherSettingsPageViewModel ViewModel { get; }
+}

LanMountainDesktop/Views/SettingsPages/WeatherSettingsPage.axaml

@@ -0,0 +1,263 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:vm="using:LanMountainDesktop.ViewModels"
+             xmlns:models="using:LanMountainDesktop.Models"
+             xmlns:controls="using:LanMountainDesktop.Controls"
+             xmlns:ui="using:FluentAvalonia.UI.Controls"
+             xmlns:fi="using:FluentIcons.Avalonia.Fluent"
+             x:Class="LanMountainDesktop.Views.SettingsPages.WeatherSettingsPage"
+             x:DataType="vm:WeatherSettingsPageViewModel">
+    <ScrollViewer VerticalScrollBarVisibility="Auto">
+        <StackPanel Classes="settings-page-container">
+
+            <Border Classes="settings-section-card">
+                <Grid ColumnDefinitions="Auto,*,Auto" ColumnSpacing="18">
+                    <Border Classes="settings-section-card-icon-host"
+                            Width="72"
+                            Height="72"
+                            Padding="10">
+                        <Image Source="{Binding PreviewIcon}"
+                               Stretch="Uniform" />
+                    </Border>
+
+                    <StackPanel Grid.Column="1"
+                                Spacing="4"
+                                VerticalAlignment="Center">
+                        <TextBlock Classes="settings-card-header"
+                                   Text="{Binding PreviewHeader}" />
+                        <TextBlock Classes="settings-card-description"
+                                   Text="{Binding PreviewDescription}" />
+                        <TextBlock Classes="settings-section-title"
+                                   FontSize="24"
+                                   Margin="0,10,0,0"
+                                   Text="{Binding PreviewTemperature}" />
+                        <TextBlock Classes="settings-item-label"
+                                   Text="{Binding PreviewLocation}" />
+                        <TextBlock Classes="settings-item-description"
+                                   Text="{Binding PreviewCondition}" />
+                        <TextBlock Classes="settings-item-description"
+                                   Text="{Binding PreviewUpdated}" />
+                        <TextBlock Classes="settings-item-description"
+                                   Text="{Binding PreviewStatus}" />
+                    </StackPanel>
+
+                    <StackPanel Grid.Column="2"
+                                Spacing="12"
+                                VerticalAlignment="Center">
+                        <Button Classes="settings-accent-button"
+                                Command="{Binding RefreshPreviewCommand}"
+                                Content="{Binding RefreshButtonText}" />
+                        <ui:ProgressRing IsIndeterminate="True"
+                                         IsVisible="{Binding IsRefreshingPreview}"
+                                         Width="28"
+                                         Height="28"
+                                         HorizontalAlignment="Center" />
+                    </StackPanel>
+                </Grid>
+            </Border>
+
+            <ui:SettingsExpander Classes="settings-expander-card"
+                                 Header="{Binding LocationSourceHeader}"
+                                 Description="{Binding LocationSourceDescription}">
+                <ui:SettingsExpander.IconSource>
+                    <fi:SymbolIconSource Symbol="WeatherMoon" />
+                </ui:SettingsExpander.IconSource>
+                <ui:SettingsExpander.Footer>
+                    <ComboBox Width="220"
+                              ItemsSource="{Binding LocationModes}"
+                              SelectedItem="{Binding SelectedLocationMode}">
+                        <ComboBox.ItemTemplate>
+                            <DataTemplate x:DataType="vm:SelectionOption">
+                                <TextBlock Text="{Binding Label}" />
+                            </DataTemplate>
+                        </ComboBox.ItemTemplate>
+                    </ComboBox>
+                </ui:SettingsExpander.Footer>
+                <ui:SettingsExpanderItem>
+                    <TextBlock Classes="settings-item-description"
+                               Text="{Binding CurrentLocationSummary}"
+                               TextWrapping="Wrap" />
+                </ui:SettingsExpanderItem>
+            </ui:SettingsExpander>
+
+            <ui:SettingsExpander Classes="settings-expander-card"
+                                 Header="{Binding CitySearchHeader}"
+                                 Description="{Binding CitySearchDescription}"
+                                 IsVisible="{Binding IsCitySearchMode}">
+                <ui:SettingsExpander.IconSource>
+                    <fi:SymbolIconSource Symbol="Search" />
+                </ui:SettingsExpander.IconSource>
+                <ui:SettingsExpander.Footer>
+                    <Button Classes="settings-accent-button"
+                            Command="{Binding ApplyCitySelectionCommand}"
+                            Content="{Binding ApplyCityButtonText}" />
+                </ui:SettingsExpander.Footer>
+                <ui:SettingsExpanderItem>
+                    <StackPanel Spacing="14">
+                        <Grid ColumnDefinitions="*,Auto"
+                              ColumnSpacing="12">
+                            <TextBox Text="{Binding SearchKeyword}"
+                                     Watermark="{Binding SearchPlaceholder}" />
+                            <Button Grid.Column="1"
+                                    Command="{Binding SearchCommand}"
+                                    Content="{Binding SearchButtonText}" />
+                        </Grid>
+
+                        <ui:ProgressRing IsIndeterminate="True"
+                                         IsVisible="{Binding IsSearching}"
+                                         Width="24"
+                                         Height="24"
+                                         HorizontalAlignment="Left" />
+
+                        <TextBlock Classes="settings-item-description"
+                                   Text="{Binding SearchStatus}"
+                                   TextWrapping="Wrap" />
+
+                        <ListBox Classes="weather-settings-search-results"
+                                 ItemsSource="{Binding SearchResults}"
+                                 SelectedItem="{Binding SelectedSearchResult}">
+                            <ListBox.ItemTemplate>
+                                <DataTemplate x:DataType="models:WeatherLocation">
+                                    <Grid ColumnDefinitions="Auto,*"
+                                          ColumnSpacing="12">
+                                        <fi:SymbolIcon Classes="icon-s"
+                                                       Margin="0,2,0,0"
+                                                       Symbol="City" />
+                                        <StackPanel Grid.Column="1"
+                                                    Spacing="4">
+                                            <TextBlock Classes="settings-item-label"
+                                                       Text="{Binding Name}" />
+                                            <TextBlock Classes="settings-item-description"
+                                                       Text="{Binding Affiliation}" />
+                                            <TextBlock Classes="settings-item-description"
+                                                       Text="{Binding LocationKey}" />
+                                        </StackPanel>
+                                    </Grid>
+                                </DataTemplate>
+                            </ListBox.ItemTemplate>
+                        </ListBox>
+                    </StackPanel>
+                </ui:SettingsExpanderItem>
+            </ui:SettingsExpander>
+
+            <ui:SettingsExpander Classes="settings-expander-card"
+                                 Header="{Binding CoordinatesHeader}"
+                                 Description="{Binding CoordinatesDescription}"
+                                 IsVisible="{Binding IsCoordinatesMode}">
+                <ui:SettingsExpander.IconSource>
+                    <fi:SymbolIconSource Symbol="Location" />
+                </ui:SettingsExpander.IconSource>
+                <ui:SettingsExpander.Footer>
+                    <Button Classes="settings-accent-button"
+                            Command="{Binding ApplyCoordinatesCommand}"
+                            Content="{Binding ApplyCoordinatesButtonText}" />
+                </ui:SettingsExpander.Footer>
+                <ui:SettingsExpanderItem>
+                    <Grid ColumnDefinitions="*,*"
+                          Classes="settings-inline-pair">
+                        <StackPanel Classes="settings-item">
+                            <TextBlock Classes="settings-item-label"
+                                       Text="{Binding LatitudeLabel}" />
+                            <NumericUpDown Minimum="-90"
+                                           Maximum="90"
+                                           Increment="0.0001"
+                                           FormatString="F4"
+                                           Value="{Binding Latitude}" />
+                        </StackPanel>
+
+                        <StackPanel Grid.Column="1"
+                                    Classes="settings-item">
+                            <TextBlock Classes="settings-item-label"
+                                       Text="{Binding LongitudeLabel}" />
+                            <NumericUpDown Minimum="-180"
+                                           Maximum="180"
+                                           Increment="0.0001"
+                                           FormatString="F4"
+                                           Value="{Binding Longitude}" />
+                        </StackPanel>
+                    </Grid>
+                </ui:SettingsExpanderItem>
+                <ui:SettingsExpanderItem>
+                    <TextBox Text="{Binding LocationKey}"
+                             Watermark="{Binding LocationKeyPlaceholder}" />
+                </ui:SettingsExpanderItem>
+                <ui:SettingsExpanderItem>
+                    <TextBox Text="{Binding LocationName}"
+                             Watermark="{Binding LocationNamePlaceholder}" />
+                </ui:SettingsExpanderItem>
+            </ui:SettingsExpander>
+
+            <ui:SettingsExpander Classes="settings-expander-card"
+                                 Header="{Binding LocationServicesHeader}"
+                                 Description="{Binding LocationServicesDescription}">
+                <ui:SettingsExpander.IconSource>
+                    <fi:SymbolIconSource Symbol="Location" />
+                </ui:SettingsExpander.IconSource>
+                <ui:SettingsExpander.Footer>
+                    <Button Classes="settings-accent-button"
+                            Command="{Binding UseCurrentLocationCommand}"
+                            Content="{Binding UseCurrentLocationButtonText}"
+                            IsVisible="{Binding IsLocationSupported}" />
+                </ui:SettingsExpander.Footer>
+                <ui:SettingsExpanderItem>
+                    <Grid ColumnDefinitions="*,Auto"
+                          ColumnSpacing="16">
+                        <StackPanel Classes="settings-item">
+                            <TextBlock Classes="settings-item-label"
+                                       Text="{Binding AutoRefreshLabel}" />
+                            <TextBlock Classes="settings-item-description"
+                                       Text="{Binding LocationActionStatus}"
+                                       TextWrapping="Wrap" />
+                        </StackPanel>
+                        <ToggleSwitch Grid.Column="1"
+                                      IsChecked="{Binding AutoRefreshLocation}"
+                                      IsEnabled="{Binding IsLocationSupported}" />
+                    </Grid>
+                </ui:SettingsExpanderItem>
+                <ui:SettingsExpanderItem IsVisible="{Binding IsRefreshingLocation}">
+                    <ui:ProgressRing IsIndeterminate="True"
+                                     IsVisible="{Binding IsRefreshingLocation}"
+                                     Width="28"
+                                     Height="28"
+                                     HorizontalAlignment="Left" />
+                </ui:SettingsExpanderItem>
+            </ui:SettingsExpander>
+
+            <ui:SettingsExpander Classes="settings-expander-card"
+                                 Header="{Binding AlertFilterHeader}"
+                                 Description="{Binding AlertFilterDescription}">
+                <ui:SettingsExpander.IconSource>
+                    <fi:SymbolIconSource Symbol="Warning" />
+                </ui:SettingsExpander.IconSource>
+                <ui:SettingsExpander.Footer>
+                    <TextBox Width="360"
+                             MinHeight="120"
+                             AcceptsReturn="True"
+                             TextWrapping="Wrap"
+                             Text="{Binding ExcludedAlerts}" />
+                </ui:SettingsExpander.Footer>
+            </ui:SettingsExpander>
+
+            <ui:SettingsExpander Classes="settings-expander-card"
+                                 Header="{Binding RequestHeader}"
+                                 Description="{Binding RequestDescription}">
+                <ui:SettingsExpander.IconSource>
+                    <fi:SymbolIconSource Symbol="ShieldDismiss" />
+                </ui:SettingsExpander.IconSource>
+                <ui:SettingsExpander.Footer>
+                    <ToggleSwitch IsChecked="{Binding NoTlsRequests}" />
+                </ui:SettingsExpander.Footer>
+                <ui:SettingsExpanderItem>
+                    <TextBlock Classes="settings-item-description"
+                               Text="{Binding NoTlsToggleText}"
+                               TextWrapping="Wrap" />
+                </ui:SettingsExpanderItem>
+            </ui:SettingsExpander>
+
+            <TextBlock Classes="settings-item-description"
+                       Margin="0,8,0,0"
+                       Text="{Binding FooterHint}"
+                       TextWrapping="Wrap" />
+        </StackPanel>
+    </ScrollViewer>
+</UserControl>

LanMountainDesktop/Views/SettingsPages/WeatherSettingsPage.axaml.cs

@@ -0,0 +1,47 @@
+using LanMountainDesktop.PluginSdk;
+using LanMountainDesktop.Services;
+using LanMountainDesktop.Services.Settings;
+using LanMountainDesktop.ViewModels;
+
+namespace LanMountainDesktop.Views.SettingsPages;
+
+[SettingsPageInfo(
+    "weather",
+    "Weather",
+    SettingsPageCategory.Appearance,
+    IconKey = "WeatherMoon",
+    SortOrder = 18,
+    TitleLocalizationKey = "settings.weather.title",
+    DescriptionLocalizationKey = "settings.weather.description")]
+public partial class WeatherSettingsPage : SettingsPageBase
+{
+    public WeatherSettingsPage()
+        : this(CreateDefaultViewModel())
+    {
+    }
+
+    public WeatherSettingsPage(WeatherSettingsPageViewModel viewModel)
+    {
+        ViewModel = viewModel;
+        DataContext = ViewModel;
+        InitializeComponent();
+    }
+
+    public WeatherSettingsPageViewModel ViewModel { get; }
+
+    private static WeatherSettingsPageViewModel CreateDefaultViewModel()
+    {
+        var settingsFacade = HostSettingsFacadeProvider.GetOrCreate();
+        var localizationService = new LocalizationService();
+        var locationService = HostLocationServiceProvider.GetOrCreate();
+        var weatherLocationRefreshService = new WeatherLocationRefreshService(
+            settingsFacade,
+            locationService,
+            localizationService);
+        return new WeatherSettingsPageViewModel(
+            settingsFacade,
+            localizationService,
+            locationService,
+            weatherLocationRefreshService);
+    }
+}

LanMountainDesktop/Views/SettingsWindow.axaml.cs

@@ -634,6 +634,8 @@ public partial class SettingsWindow : Window, ISettingsPageHostContext
         {
             "DesignIdeas" => Symbol.Color,
             "Image" => Symbol.Image,
+            "WeatherMoon" => Symbol.WeatherMoon,
+            "Apps" => Symbol.Apps,
             "GridDots" => Symbol.GridDots,
             "PuzzlePiece" => Symbol.PuzzlePiece,
             "Info" => Symbol.Info,

LanMountainDesktop/plugins/LoadedPlugin.cs

@@ -23,6 +23,7 @@ public sealed class LoadedPlugin : IDisposable, IAsyncDisposable
         IServiceProvider services,
         IReadOnlyList<PluginSettingsSectionRegistration> settingsSections,
         IReadOnlyList<PluginDesktopComponentRegistration> desktopComponents,
+        IReadOnlyList<PluginDesktopComponentEditorRegistration> desktopComponentEditors,
         IReadOnlyList<PluginServiceExportDescriptor> exportedServices,
         IReadOnlyList<IHostedService> hostedServices,
         PluginLoadContext loadContext)
@@ -36,6 +37,7 @@ public sealed class LoadedPlugin : IDisposable, IAsyncDisposable
         Services = services;
         SettingsSections = settingsSections;
         DesktopComponents = desktopComponents;
+        DesktopComponentEditors = desktopComponentEditors;
         ExportedServices = exportedServices;
         HostedServices = hostedServices;
         LoadContext = loadContext;
@@ -61,6 +63,8 @@ public sealed class LoadedPlugin : IDisposable, IAsyncDisposable
 
     public IReadOnlyList<PluginDesktopComponentRegistration> DesktopComponents { get; }
 
+    public IReadOnlyList<PluginDesktopComponentEditorRegistration> DesktopComponentEditors { get; }
+
     public IReadOnlyList<PluginServiceExportDescriptor> ExportedServices { get; }
 
     public PluginLoadContext LoadContext { get; }

LanMountainDesktop/plugins/PluginContributions.cs

@@ -10,3 +10,7 @@ public sealed record PluginSettingsSectionContribution(
 public sealed record PluginDesktopComponentContribution(
     LoadedPlugin Plugin,
     PluginDesktopComponentRegistration Registration);
+
+public sealed record PluginDesktopComponentEditorContribution(
+    LoadedPlugin Plugin,
+    PluginDesktopComponentEditorRegistration Registration);

LanMountainDesktop/plugins/PluginLoader.cs

@@ -181,10 +181,14 @@ public sealed class PluginLoader
                 .OrderBy(component => component.Category, StringComparer.OrdinalIgnoreCase)
                 .ThenBy(component => component.DisplayName, StringComparer.OrdinalIgnoreCase)
                 .ToArray();
+            var desktopComponentEditors = pluginServices
+                .GetServices<PluginDesktopComponentEditorRegistration>()
+                .OrderBy(editor => editor.ComponentId, StringComparer.OrdinalIgnoreCase)
+                .ToArray();
             var exportedServices = ResolveExports(manifest, pluginServices);
             AppLogger.Info(
                 "PluginLoader",
-                $"Plugin contributions resolved. PluginId='{manifest.Id}'; SettingsSections={settingsSections.Length}; Widgets={desktopComponents.Length}; Exports={exportedServices.Count}."); 
+                $"Plugin contributions resolved. PluginId='{manifest.Id}'; SettingsSections={settingsSections.Length}; Widgets={desktopComponents.Length}; Editors={desktopComponentEditors.Length}; Exports={exportedServices.Count}."); 
             hostedServices = pluginServices.GetServices<IHostedService>().ToArray();
             StartHostedServices(hostedServices);
             AppLogger.Info("PluginLoader", $"Hosted services started. PluginId='{manifest.Id}'; HostedServices={hostedServices.Count}."); 
@@ -199,6 +203,7 @@ public sealed class PluginLoader
                 pluginServices,
                 settingsSections,
                 desktopComponents,
+                desktopComponentEditors,
                 exportedServices,
                 hostedServices,
                 loadContext);

LanMountainDesktop/plugins/PluginRuntimeService.cs

@@ -36,6 +36,7 @@ public sealed class PluginRuntimeService : IDisposable
     private readonly List<PluginCatalogEntry> _catalog = [];
     private readonly List<PluginSettingsSectionContribution> _settingsSections = [];
     private readonly List<PluginDesktopComponentContribution> _desktopComponents = [];
+    private readonly List<PluginDesktopComponentEditorContribution> _desktopComponentEditors = [];
     private readonly object _packageMutationGate = new();
 
     public PluginRuntimeService(ISettingsFacadeService? settingsFacade = null)
@@ -73,6 +74,7 @@ public sealed class PluginRuntimeService : IDisposable
     public IReadOnlyList<PluginSettingsSectionContribution> SettingsSections => _settingsSections;
 
     public IReadOnlyList<PluginDesktopComponentContribution> DesktopComponents => _desktopComponents;
+    public IReadOnlyList<PluginDesktopComponentEditorContribution> DesktopComponentEditors => _desktopComponentEditors;
 
     public IPluginExportRegistry ExportRegistry => _exportRegistry;
 
@@ -193,7 +195,7 @@ public sealed class PluginRuntimeService : IDisposable
                     loadResult.LoadedPlugin.DesktopComponents.Count));
                 AppLogger.Info(
                     "PluginRuntime",
-                    $"Plugin loaded. PluginId='{loadResult.LoadedPlugin.Manifest.Id}'; SourcePath='{loadResult.SourcePath}'; ManifestVersion='{loadResult.LoadedPlugin.Manifest.Version ?? "<unknown>"}'; ApiVersion='{loadResult.LoadedPlugin.Manifest.ApiVersion ?? "<unknown>"}'; SourceKind='{candidate.SourceKind}'; SettingsSections={loadResult.LoadedPlugin.SettingsSections.Count}; Widgets={loadResult.LoadedPlugin.DesktopComponents.Count}.");
+                    $"Plugin loaded. PluginId='{loadResult.LoadedPlugin.Manifest.Id}'; SourcePath='{loadResult.SourcePath}'; ManifestVersion='{loadResult.LoadedPlugin.Manifest.Version ?? "<unknown>"}'; ApiVersion='{loadResult.LoadedPlugin.Manifest.ApiVersion ?? "<unknown>"}'; SourceKind='{candidate.SourceKind}'; SettingsSections={loadResult.LoadedPlugin.SettingsSections.Count}; Widgets={loadResult.LoadedPlugin.DesktopComponents.Count}; Editors={loadResult.LoadedPlugin.DesktopComponentEditors.Count}.");
                 Debug.WriteLine($"[PluginRuntime] Loaded '{loadResult.Manifest?.Id}' from '{loadResult.SourcePath}'.");
                 continue;
             }
@@ -622,6 +624,10 @@ public sealed class PluginRuntimeService : IDisposable
             entry.Plugin.Manifest.Id,
             loadedPlugin.Manifest.Id,
             StringComparison.OrdinalIgnoreCase));
+        _desktopComponentEditors.RemoveAll(entry => string.Equals(
+            entry.Plugin.Manifest.Id,
+            loadedPlugin.Manifest.Id,
+            StringComparison.OrdinalIgnoreCase));
 
         foreach (var settingsSection in loadedPlugin.SettingsSections)
         {
@@ -632,6 +638,11 @@ public sealed class PluginRuntimeService : IDisposable
         {
             _desktopComponents.Add(new PluginDesktopComponentContribution(loadedPlugin, desktopComponent));
         }
+
+        foreach (var desktopComponentEditor in loadedPlugin.DesktopComponentEditors)
+        {
+            _desktopComponentEditors.Add(new PluginDesktopComponentEditorContribution(loadedPlugin, desktopComponentEditor));
+        }
     }
 
     private void RegisterSharedContractsForLoad(PluginManifest manifest)