refactor(ui): unify text and close button in UnfinishedPlanningModalView

src/ClaudeDo.Ui/Views/Modals/UnfinishedPlanningModalView.axaml

@@ -29,11 +29,9 @@
 
     <!-- Body -->
     <StackPanel Margin="20,16" Spacing="8">
-      <TextBlock Text="{Binding TaskTitle}"
-                 FontWeight="SemiBold"
-                 Foreground="{DynamicResource TextBrush}"
+      <TextBlock Classes="title" Text="{Binding TaskTitle}"
                  TextTrimming="CharacterEllipsis"/>
-      <TextBlock Foreground="{DynamicResource TextDimBrush}">
+      <TextBlock Classes="body">
         <Run Text="{Binding DraftCount}"/>
         <Run Text=" draft task(s) waiting to be finalized."/>
       </TextBlock>