新增工具/组合随软件启动自动运行功能

- ToolItem 模型新增 AutoRunOnStart 属性，持久化到配置文件
- App.OnStartup 启动后自动执行标记为自启动的工具/组合（间隔500ms）
- 工具编辑窗口和组合编辑窗口新增「随软件启动自动运行」CheckBox
- 主界面工具卡片左上角 Rocket 角标标识已启用自启的项目

PersonalToolBox/Views/GroupEditWindow.xaml

@@ -105,6 +105,7 @@
             <RowDefinition Height="Auto"/>
             <RowDefinition Height="*"/>
             <RowDefinition Height="Auto"/>
+            <RowDefinition Height="Auto"/>
         </Grid.RowDefinitions>
         <Grid.ColumnDefinitions>
             <ColumnDefinition Width="70"/>
@@ -185,12 +186,20 @@
                  VerticalContentAlignment="Center"
                  Height="28" Margin="0,0,0,10" Padding="6,0"/>
 
+        <!-- 自动运行 -->
+        <CheckBox Grid.Row="4" Grid.Column="1"
+                  IsChecked="{Binding AutoRunOnStart}"
+                  Content="随软件启动自动运行"
+                  Foreground="{DynamicResource Theme.Foreground}"
+                  VerticalAlignment="Center"
+                  Margin="0,0,0,10"/>
+
         <!-- 子工具选择 -->
-        <TextBlock Grid.Row="4" Grid.Column="0"
+        <TextBlock Grid.Row="5" Grid.Column="0"
                    Text="包含工具:"
                    Foreground="{DynamicResource Theme.Foreground}"
                    VerticalAlignment="Top" Margin="0,4,0,0"/>
-        <Border Grid.Row="4" Grid.Column="1"
+        <Border Grid.Row="5" Grid.Column="1"
                 Background="{DynamicResource Theme.InputBackground}"
                 BorderBrush="{DynamicResource Theme.InputBorder}"
                 BorderThickness="1"
@@ -230,7 +239,7 @@
         </Border>
 
         <!-- 按钮 -->
-        <StackPanel Grid.Row="6" Grid.Column="1"
+        <StackPanel Grid.Row="7" Grid.Column="1"
                     Orientation="Horizontal" HorizontalAlignment="Right"
                     Margin="0,10,0,0">
             <Button Content="保存"