feat(关于面板): 添加反馈问题按钮及功能

在关于面板中添加反馈问题按钮，点击后收集系统信息并跳转到GitHub问题提交页面

Signed-off-by: doudou0720 <98651603+doudou0720@users.noreply.github.com>

Ink Canvas/Windows/SettingsViews/SettingsViews/AboutPanel.xaml

@@ -178,6 +178,41 @@
                                 </Image>
                             </StackPanel>
                         </Grid>
+                        <Border Height="1" Background="#ebebeb"/>
+                        <Grid Height="54">
+                            <TextBlock Foreground="#2e3436" FontSize="14.5" Text="反馈问题" VerticalAlignment="Center" HorizontalAlignment="Left" Margin="18,0,0,0"/>
+                            <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Margin="0,0,18,0">
+                                <Button Name="BtnReportIssue" Content="提交反馈" Padding="12,6" Click="BtnReportIssue_Click" Cursor="Hand">
+                                    <Button.Style>
+                                        <Style TargetType="Button">
+                                            <Setter Property="Background" Value="#FF1d4ed8"/>
+                                            <Setter Property="Foreground" Value="White"/>
+                                            <Setter Property="BorderThickness" Value="0"/>
+                                            <Setter Property="FontSize" Value="13"/>
+                                            <Setter Property="Cursor" Value="Hand"/>
+                                            <Setter Property="Template">
+                                                <Setter.Value>
+                                                    <ControlTemplate TargetType="Button">
+                                                        <Border Background="{TemplateBinding Background}" 
+                                                                BorderBrush="{TemplateBinding BorderBrush}" 
+                                                                BorderThickness="{TemplateBinding BorderThickness}" 
+                                                                CornerRadius="4" 
+                                                                Padding="{TemplateBinding Padding}">
+                                                            <ContentPresenter HorizontalAlignment="Center" VerticalAlignment="Center"/>
+                                                        </Border>
+                                                    </ControlTemplate>
+                                                </Setter.Value>
+                                            </Setter>
+                                            <Style.Triggers>
+                                                <Trigger Property="IsMouseOver" Value="True">
+                                                    <Setter Property="Background" Value="#FF1e40af"/>
+                                                </Trigger>
+                                            </Style.Triggers>
+                                        </Style>
+                                    </Button.Style>
+                                </Button>
+                            </StackPanel>
+                        </Grid>
                     </StackPanel>
                 </Border>
                 <StackPanel Orientation="Vertical" Margin="0,16,0,0">

Ink Canvas/Windows/SettingsViews/SettingsViews/AboutPanel.xaml.cs

@@ -460,6 +460,103 @@ namespace Ink_Canvas.Windows.SettingsViews
             }
         }
 
+        private void BtnReportIssue_Click(object sender, RoutedEventArgs e)
+        {
+            try
+            {
+                string version = "";
+                string updateChannel = "";
+                string osInfo = "";
+                string netVersion = "";
+                string touchSupport = "";
+
+                try
+                {
+                    var assemblyVersion = Assembly.GetExecutingAssembly().GetName().Version;
+                    version = $"v{assemblyVersion}";
+                }
+                catch (Exception ex)
+                {
+                    version = "未知";
+                    System.Diagnostics.Debug.WriteLine($"获取软件版本失败: {ex.Message}");
+                }
+
+                try
+                {
+                    if (MainWindow.Settings?.Startup != null)
+                    {
+                        updateChannel = MainWindow.Settings.Startup.UpdateChannel.ToString();
+                    }
+                }
+                catch (Exception ex)
+                {
+                    updateChannel = "未知";
+                    System.Diagnostics.Debug.WriteLine($"获取更新通道失败: {ex.Message}");
+                }
+
+                try
+                {
+                    osInfo = $"{OSVersion.GetOperatingSystem()} {OSVersion.GetOSVersion().Version}";
+                }
+                catch (Exception ex)
+                {
+                    osInfo = "未知";
+                    System.Diagnostics.Debug.WriteLine($"获取系统版本失败: {ex.Message}");
+                }
+
+                try
+                {
+                    netVersion = RuntimeInformation.FrameworkDescription;
+                }
+                catch (Exception ex)
+                {
+                    netVersion = "未知";
+                    System.Diagnostics.Debug.WriteLine($"获取.NET版本失败: {ex.Message}");
+                }
+
+                try
+                {
+                    var support = TouchTabletDetectHelper.IsTouchEnabled();
+                    var touchcount = TouchTabletDetectHelper.GetTouchTabletDevices().Count;
+                    if (support)
+                    {
+                        if (touchcount > 0)
+                        {
+                            touchSupport = $"支持({touchcount}个设备)";
+                        }
+                        else
+                        {
+                            touchSupport = "支持";
+                        }
+                    }
+                    else
+                    {
+                        touchSupport = "不支持";
+                    }
+                }
+                catch (Exception ex)
+                {
+                    touchSupport = "未知";
+                    System.Diagnostics.Debug.WriteLine($"获取触控支持失败: {ex.Message}");
+                }
+
+                string versionInfo = $"{version} ({updateChannel})";
+                string systemInfo = $"{osInfo} | {netVersion} | 触控:{touchSupport}";
+
+                string url = $"https://github.com/InkCanvasForClass/community/issues/new?template=01-bug_report.yml&version={Uri.EscapeDataString(versionInfo)}&os={Uri.EscapeDataString(systemInfo)}";
+
+                Process.Start(new ProcessStartInfo
+                {
+                    FileName = url,
+                    UseShellExecute = true
+                });
+            }
+            catch (Exception ex)
+            {
+                System.Diagnostics.Debug.WriteLine($"打开反馈链接失败: {ex.Message}");
+            }
+        }
+
         /// <summary>
         /// 应用主题
         /// </summary>