Kapitel 7 abgeschlossen.

LehrerApp.Desktop/Views/Settings/SettingsView.axaml

@@ -1,6 +1,7 @@
 <UserControl xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:vm="clr-namespace:LehrerApp.Desktop.ViewModels.Settings"
+             xmlns:services="clr-namespace:LehrerApp.Core.Services;assembly=LehrerApp.Core"
              xmlns:shared="clr-namespace:LehrerApp.Desktop.Views.Shared"
              x:Class="LehrerApp.Desktop.Views.Settings.SettingsView"
              x:DataType="vm:SettingsViewModel">
@@ -270,6 +271,86 @@
         </ScrollViewer>
       </ContentPage>
 
+      <!-- Tab: Word-Briefvorlagen (7.1.4 / 11.5) -->
+      <ContentPage Header="Briefvorlagen">
+        <ScrollViewer>
+          <StackPanel Margin="32,20,32,28" Spacing="16" MaxWidth="760">
+            <TextBlock Text="Word-Vorlagen bleiben vollständig in Word gestaltet. Die App befüllt Inhaltssteuerelemente anhand ihres Tags und prüft die Vorlage bereits beim Import."
+                       FontSize="12" Opacity="0.65" TextWrapping="Wrap"/>
+
+            <Grid ColumnDefinitions="Auto,*" ColumnSpacing="12">
+              <Button Grid.Column="0" Content="＋ DOCX-Vorlage importieren" Click="OnImportLetterTemplateClick"/>
+              <TextBlock Grid.Column="1" Text="{Binding LetterTemplateStatus}" FontSize="12"
+                         VerticalAlignment="Center" TextWrapping="Wrap"
+                         IsVisible="{Binding LetterTemplateStatus, Converter={x:Static StringConverters.IsNotNullOrEmpty}}"/>
+            </Grid>
+
+            <TextBlock Text="Noch keine Briefvorlage importiert." Classes="emptyhint"
+                       IsVisible="{Binding !LetterTemplateList.Count}"/>
+
+            <ItemsControl ItemsSource="{Binding LetterTemplateList}">
+              <ItemsControl.ItemTemplate>
+                <DataTemplate DataType="vm:LetterTemplateListItem">
+                  <Border BorderBrush="{DynamicResource SystemControlForegroundBaseLowBrush}"
+                          BorderThickness="1" CornerRadius="7" Padding="14,12" Margin="0,0,0,9">
+                    <StackPanel Spacing="8">
+                      <Grid ColumnDefinitions="*,Auto,Auto,Auto">
+                        <StackPanel Grid.Column="0">
+                          <TextBlock Text="{Binding Name}" FontWeight="SemiBold" FontSize="14"/>
+                          <TextBlock FontSize="11" Opacity="0.55">
+                            <Run Text="{Binding OriginalFileName}"/><Run Text=" · "/>
+                            <Run Text="{Binding ValidationSummary}"/>
+                          </TextBlock>
+                        </StackPanel>
+                        <Button Grid.Column="1" Content="Öffnen" FontSize="12" Padding="10,4"
+                                Margin="8,0,0,0" Tag="{Binding}" Click="OnOpenLetterTemplateClick"/>
+                        <Button Grid.Column="2" Content="Neu prüfen" FontSize="12" Padding="10,4"
+                                Margin="8,0,0,0"
+                                Command="{Binding $parent[ItemsControl].((vm:SettingsViewModel)DataContext).ValidateLetterTemplateCommand}"
+                                CommandParameter="{Binding}"/>
+                        <Button Grid.Column="3" Content="Löschen" FontSize="12" Padding="10,4"
+                                Margin="8,0,0,0"
+                                Command="{Binding $parent[ItemsControl].((vm:SettingsViewModel)DataContext).DeleteLetterTemplateCommand}"
+                                CommandParameter="{Binding}"/>
+                      </Grid>
+
+                      <ItemsControl ItemsSource="{Binding Issues}" IsVisible="{Binding HasIssues}">
+                        <ItemsControl.ItemTemplate>
+                          <DataTemplate DataType="vm:LetterTemplateIssueItem">
+                            <Grid ColumnDefinitions="24,*" Margin="0,2">
+                              <TextBlock Grid.Column="0" Text="{Binding Icon}" Foreground="{Binding Color}"/>
+                              <TextBlock Grid.Column="1" Text="{Binding Message}" Foreground="{Binding Color}"
+                                         FontSize="12" TextWrapping="Wrap"/>
+                            </Grid>
+                          </DataTemplate>
+                        </ItemsControl.ItemTemplate>
+                      </ItemsControl>
+                      <TextBlock Text="✓ Vorlage ohne Auffälligkeiten" Foreground="SeaGreen" FontSize="12"
+                                 IsVisible="{Binding HasNoIssues}"/>
+                    </StackPanel>
+                  </Border>
+                </DataTemplate>
+              </ItemsControl.ItemTemplate>
+            </ItemsControl>
+
+            <Separator/>
+            <TextBlock Text="Unterstützte Tags" FontSize="15" FontWeight="SemiBold"/>
+            <TextBlock Text="In Word: Entwicklertools → Rich-Text- oder Nur-Text-Inhaltssteuerelement → Eigenschaften → Tag. Der Titel ist frei wählbar; ausgewertet wird der Tag."
+                       FontSize="12" Opacity="0.65" TextWrapping="Wrap"/>
+            <ItemsControl ItemsSource="{Binding SupportedLetterPlaceholders}">
+              <ItemsControl.ItemTemplate>
+                <DataTemplate DataType="services:LetterPlaceholder">
+                  <Grid ColumnDefinitions="190,*" Margin="0,3">
+                    <TextBlock Grid.Column="0" Text="{Binding Tag}" FontFamily="Monospace" FontSize="12"/>
+                    <TextBlock Grid.Column="1" Text="{Binding Description}" FontSize="12" Opacity="0.7"/>
+                  </Grid>
+                </DataTemplate>
+              </ItemsControl.ItemTemplate>
+            </ItemsControl>
+          </StackPanel>
+        </ScrollViewer>
+      </ContentPage>
+
       <!-- Tab: Notenschema -->
       <ContentPage Header="Notenschema">
         <ContentPage.Resources>