Bump version to 1.0.3

- Suffix release tag support: folder name ending in -TAG
  prepends [TAG] to output filenames
- Show name injection from parent folder for episode-only
  filenames (e.g. S01E01-Name.mkv)
- Queue and logs display predicted output filename
- Run button label reflects rename when applicable
- Gray out main UI while strip/rename is in progress

MainWindow.xaml

@@ -175,7 +175,7 @@
                                                        Foreground="#F44336" VerticalAlignment="Center"
                                                        Visibility="{Binding IsIncorrect, Converter={StaticResource BoolToVis}}"/>
 
-                                            <TextBlock Grid.Column="1" Text="{Binding FileName}"
+                                            <TextBlock Grid.Column="1" Text="{Binding DisplayFileName}"
                                                        FontSize="12" VerticalAlignment="Center" Margin="6,0"
                                                        TextTrimming="CharacterEllipsis"/>
 
@@ -331,6 +331,15 @@
                     </Grid>
                 </Border>
 
+                <!-- Processing overlay: dims the entire content area while stripping is running -->
+                <Border x:Name="ProcessingOverlay"
+                        Grid.ColumnSpan="3"
+                        Background="#99000000"
+                        CornerRadius="8"
+                        Visibility="Collapsed"
+                        IsHitTestVisible="True"
+                        Panel.ZIndex="10"/>
+
                 <!-- Loading overlay: blocks interaction until every queued file has finished loading -->
                 <Border x:Name="LoadingOverlay"
                         Grid.ColumnSpan="3"