client/Views/SettingsView.xaml

<UserControl x:Class="CloudPrint.Client.Views.SettingsView"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Border Background="White" CornerRadius="14" Padding="22">
        <Grid MaxWidth="820" HorizontalAlignment="Left">
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="150" />
                <ColumnDefinition Width="*" />
                <ColumnDefinition Width="Auto" />
            </Grid.ColumnDefinitions>

            <StackPanel Grid.Row="0" Grid.ColumnSpan="3" Margin="0,0,0,20">
                <TextBlock Text="系统设置" FontSize="20" FontWeight="Bold" />
                <TextBlock Text="配置真实后端地址、打印客户端 API Key、本地文库目录；API Key 和 token 会用 Windows DPAPI 加密保存。"
                           Foreground="#64748B" Margin="0,6,0,0" />
            </StackPanel>

            <TextBlock Grid.Row="1" Grid.Column="0" Text="服务器地址" VerticalAlignment="Center" Margin="0,0,12,12" />
            <TextBox Grid.Row="1" Grid.Column="1" Text="{Binding Settings.ServerAddress, UpdateSourceTrigger=PropertyChanged}" Margin="0,0,0,12" />

            <TextBlock Grid.Row="2" Grid.Column="0" Text="API Key" VerticalAlignment="Center" Margin="0,0,12,12" />
            <TextBox Grid.Row="2" Grid.Column="1" Text="{Binding Settings.ApiKey, UpdateSourceTrigger=PropertyChanged}" Margin="0,0,0,12" />

            <TextBlock Grid.Row="3" Grid.Column="0" Text="门店名称" VerticalAlignment="Center" Margin="0,0,12,12" />
            <TextBox Grid.Row="3" Grid.Column="1" Text="{Binding Settings.StoreName, UpdateSourceTrigger=PropertyChanged}" Margin="0,0,0,12" />

            <TextBlock Grid.Row="4" Grid.Column="0" Text="本地文库目录" VerticalAlignment="Center" Margin="0,0,12,12" />
            <TextBox Grid.Row="4" Grid.Column="1" Text="{Binding Settings.LibraryRoot, UpdateSourceTrigger=PropertyChanged}" Margin="0,0,8,12" />
            <Button Grid.Row="4" Grid.Column="2" Content="选择" Command="{Binding SelectLibraryRootCommand}" Margin="0,0,0,12" />

            <StackPanel Grid.Row="5" Grid.Column="1" Orientation="Horizontal" Margin="0,4,0,0">
                <CheckBox Content="允许 HTTP gRPC" IsChecked="{Binding Settings.AllowInsecureGrpc}" VerticalAlignment="Center" Margin="0,0,24,0" />
                <TextBlock Text="最大上传 MB" VerticalAlignment="Center" Margin="0,0,8,0" />
                <TextBox Text="{Binding Settings.MaxUploadSizeMb, UpdateSourceTrigger=PropertyChanged}" Width="70" Margin="0,0,16,0" />
                <TextBlock Text="心跳秒" VerticalAlignment="Center" Margin="0,0,8,0" />
                <TextBox Text="{Binding Settings.HeartbeatIntervalSeconds, UpdateSourceTrigger=PropertyChanged}" Width="55" Margin="0,0,16,0" />
                <Button Content="保存设置" Command="{Binding SaveCommand}" />
                <TextBlock Text="{Binding StatusMessage}" Foreground="#64748B" VerticalAlignment="Center" Margin="8,0,0,0" />
            </StackPanel>

            <StackPanel Grid.Row="6" Grid.Column="1" Orientation="Horizontal" Margin="0,12,0,0">
                <TextBlock Text="日志目录" VerticalAlignment="Center" Margin="0,0,8,0" />
                <TextBlock Text="{Binding LogDirectory}" Foreground="#64748B" VerticalAlignment="Center" Margin="0,0,12,0" />
                <Button Content="打开日志目录" Command="{Binding OpenLogDirectoryCommand}" Style="{StaticResource SecondaryButtonStyle}" />
            </StackPanel>

            <Separator Grid.Row="7" Grid.ColumnSpan="3" Margin="0,22,0,18" />

            <StackPanel Grid.Row="8" Grid.ColumnSpan="3" Margin="0,0,0,14">
                <TextBlock Text="管理员登录" FontSize="18" FontWeight="Bold" />
                <TextBlock Text="登录后会保存 access token，并在真实 gRPC 请求中附加 Authorization metadata。"
                           Foreground="#64748B" Margin="0,6,0,0" />
            </StackPanel>

            <TextBlock Grid.Row="9" Grid.Column="0" Text="管理员账号" VerticalAlignment="Center" Margin="0,0,12,0" />
            <StackPanel Grid.Row="9" Grid.Column="1" Grid.ColumnSpan="2" Orientation="Horizontal">
                <TextBox Text="{Binding Settings.AdminUsername, UpdateSourceTrigger=PropertyChanged}" Width="180" Margin="0,0,10,0" />
                <PasswordBox x:Name="PART_AdminPasswordBox" Width="180" PasswordChanged="AdminPasswordBox_OnPasswordChanged" Margin="0,0,10,0" />
                <Button Content="登录" Command="{Binding LoginAdminCommand}" />
                <Button Content="退出" Command="{Binding LogoutAdminCommand}" Style="{StaticResource SecondaryButtonStyle}" />
                <TextBlock Text="{Binding AdminLoginStatus}" Foreground="#64748B" VerticalAlignment="Center" Margin="8,0,0,0" />
            </StackPanel>
        </Grid>
    </Border>
</UserControl>