chore(claude-do): merge [A4] WeeklyReport, DailyPrep und Planning-Aktionen auf Opera

ClaudeDo-Task: 7c6f2f66-8cd7-4abb-8151-aed42ae739b5

src/ClaudeDo.Ui/Views/Islands/DetailsIslandView.axaml

@@ -3,6 +3,7 @@
              xmlns:vm="using:ClaudeDo.Ui.ViewModels.Islands"
              xmlns:islands="using:ClaudeDo.Ui.Views.Islands"
              xmlns:detail="using:ClaudeDo.Ui.Views.Islands.Detail"
+             xmlns:ctl="using:ClaudeDo.Ui.Views.Controls"
              xmlns:loc="using:ClaudeDo.Ui.Localization"
              x:Class="ClaudeDo.Ui.Views.Islands.DetailsIslandView"
              x:DataType="vm:DetailsIslandViewModel"
@@ -154,10 +155,13 @@
       <Panel IsVisible="{Binding IsPrepMode}">
         <DockPanel>
           <Border DockPanel.Dock="Top" Padding="12,8">
-            <Button Classes="btn primary"
-                    Command="{Binding Prep.PlanDayCommand}"
-                    IsEnabled="{Binding !Prep.IsPrepRunning}"
-                    Content="{loc:Tr details.planDay}"/>
+            <StackPanel Orientation="Horizontal" Spacing="{StaticResource SpaceSm}">
+              <Button Classes="btn primary"
+                      Command="{Binding Prep.PlanDayCommand}"
+                      IsEnabled="{Binding Prep.IsPlanDayEnabled}"
+                      Content="{loc:Tr details.planDay}"/>
+              <ctl:OperationIndicator DataContext="{Binding Prep.PrepOperation}"/>
+            </StackPanel>
           </Border>
           <Panel>
             <islands:SessionTerminalView

src/ClaudeDo.Ui/Views/Islands/TasksIslandView.axaml

@@ -3,6 +3,7 @@
              xmlns:vm="using:ClaudeDo.Ui.ViewModels.Islands"
              xmlns:islands="using:ClaudeDo.Ui.Views.Islands"
              xmlns:uiconverters="using:ClaudeDo.Ui.Converters"
+             xmlns:ctl="using:ClaudeDo.Ui.Views.Controls"
              xmlns:loc="using:ClaudeDo.Ui.Localization"
              x:Class="ClaudeDo.Ui.Views.Islands.TasksIslandView"
              x:DataType="vm:TasksIslandViewModel">
@@ -20,6 +21,7 @@
                      Foreground="{DynamicResource TextMuteBrush}"
                      Text="{Binding Subtitle}"
                      TextTrimming="CharacterEllipsis"/>
+          <ctl:OperationIndicator DataContext="{Binding PlanningOperation}"/>
         </StackPanel>
 
         <StackPanel Grid.Column="1" Orientation="Horizontal" Spacing="4"