diff --git a/src/ClaudeDo.Ui/Design/IslandStyles.axaml b/src/ClaudeDo.Ui/Design/IslandStyles.axaml
index c6d7b97..50c5234 100644
--- a/src/ClaudeDo.Ui/Design/IslandStyles.axaml
+++ b/src/ClaudeDo.Ui/Design/IslandStyles.axaml
@@ -664,6 +664,23 @@
     <Setter Property="Foreground" Value="{StaticResource TextDimBrush}" />
   </Style>
 
+  <!-- ============================================================ -->
+  <!-- DIFF METER                                                    -->
+  <!-- ============================================================ -->
+  <!-- Outer track (full width, line-bright bg) -->
+  <Style Selector="Border.diff-meter-track">
+    <Setter Property="Height"      Value="4" />
+    <Setter Property="CornerRadius" Value="2" />
+    <Setter Property="Background"  Value="{StaticResource LineBrightBrush}" />
+    <Setter Property="ClipToBounds" Value="True" />
+  </Style>
+  <!-- Filled portion (moss; width set via ScaleTransform or Width binding in view) -->
+  <Style Selector="Rectangle.diff-meter-fill">
+    <Setter Property="Height" Value="4" />
+    <Setter Property="Fill"   Value="{StaticResource MossBrightBrush}" />
+    <Setter Property="HorizontalAlignment" Value="Left" />
+  </Style>
+
   <!-- ============================================================ -->
   <!-- SECTION LABELS (OVERDUE / TASKS / COMPLETED)                 -->
   <!-- ============================================================ -->
diff --git a/src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs b/src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs
index 21e61bf..3c39a2b 100644
--- a/src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs
+++ b/src/ClaudeDo.Ui/ViewModels/Islands/DetailsIslandViewModel.cs
@@ -37,6 +37,26 @@ public sealed partial class DetailsIslandViewModel : ViewModelBase
     [ObservableProperty] private string? _branchLine;
     [ObservableProperty] private int _turns;
     [ObservableProperty] private int _tokens;
+    [ObservableProperty] private int _diffAdditions;
+    [ObservableProperty] private int _diffDeletions;
+    [ObservableProperty] private int _commitsOnBranch;
+
+    public string TokensFormatted => Tokens >= 1000 ? $"{Tokens / 1000.0:F1}k" : Tokens.ToString();
+    public string ElapsedFormatted => "";  // placeholder — no start-time stored yet
+
+    partial void OnTokensChanged(int value)   => OnPropertyChanged(nameof(TokensFormatted));
+    partial void OnDiffAdditionsChanged(int value) => OnPropertyChanged(nameof(DiffMeterRatio));
+    partial void OnDiffDeletionsChanged(int value) => OnPropertyChanged(nameof(DiffMeterRatio));
+
+    // 0.0–1.0 additions share for the diff meter
+    public double DiffMeterRatio
+    {
+        get
+        {
+            var total = DiffAdditions + DiffDeletions;
+            return total == 0 ? 0.0 : (double)DiffAdditions / total;
+        }
+    }
 
     public ObservableCollection<LogLineViewModel> Log { get; } = new();
     public ObservableCollection<SubtaskRowViewModel> Subtasks { get; } = new();
diff --git a/src/ClaudeDo.Ui/Views/Islands/AgentStripView.axaml b/src/ClaudeDo.Ui/Views/Islands/AgentStripView.axaml
index 3c0edac..8847643 100644
--- a/src/ClaudeDo.Ui/Views/Islands/AgentStripView.axaml
+++ b/src/ClaudeDo.Ui/Views/Islands/AgentStripView.axaml
@@ -3,38 +3,129 @@
              xmlns:vm="using:ClaudeDo.Ui.ViewModels.Islands"
              x:Class="ClaudeDo.Ui.Views.Islands.AgentStripView"
              x:DataType="vm:DetailsIslandViewModel">
-  <Border Classes="agent-strip">
-    <StackPanel Margin="14,12" Spacing="6">
-      <!-- Row 1: status dot · status label · model · turns · tokens -->
-      <StackPanel Orientation="Horizontal" Spacing="10">
-        <Ellipse Width="8" Height="8" Fill="{DynamicResource MossBrush}" VerticalAlignment="Center"
-                 Classes.status-pulse="{Binding IsRunning}"/>
-        <TextBlock Text="{Binding AgentStatusLabel}" FontSize="12"
-                   Foreground="{DynamicResource TextBrush}" VerticalAlignment="Center"/>
-        <TextBlock Text="{Binding Model}" FontFamily="{DynamicResource MonoFamily}"
-                   FontSize="11" Foreground="{DynamicResource TextDimBrush}" VerticalAlignment="Center"
+  <Border Classes="agent-strip"
+          Classes.running="{Binding IsRunning}"
+          Margin="18,8,18,0">
+    <StackPanel Margin="12,10" Spacing="6">
+
+      <!-- Row 1: pulsing dot · status label · model · stop button -->
+      <Grid ColumnDefinitions="Auto,Auto,*,Auto">
+        <Ellipse Grid.Column="0"
+                 Width="8" Height="8"
+                 Fill="{DynamicResource MossBrush}"
+                 VerticalAlignment="Center"
+                 Classes.status-pulse="{Binding IsRunning}"
+                 Margin="0,0,6,0"/>
+        <TextBlock Grid.Column="1"
+                   Text="{Binding AgentStatusLabel}"
+                   FontFamily="{DynamicResource MonoFont}"
+                   FontSize="10"
+                   LetterSpacing="1.2"
+                   Foreground="{DynamicResource TextDimBrush}"
+                   VerticalAlignment="Center"
+                   Margin="0,0,8,0"/>
+        <TextBlock Grid.Column="2"
+                   Text="{Binding Model}"
+                   FontFamily="{DynamicResource MonoFont}"
+                   FontSize="10"
+                   Foreground="{DynamicResource TextFaintBrush}"
+                   VerticalAlignment="Center"
+                   TextTrimming="CharacterEllipsis"
                    IsVisible="{Binding Model, Converter={x:Static ObjectConverters.IsNotNull}}"/>
-        <TextBlock Text="{Binding Turns, StringFormat='turns: {0}'}" FontSize="11"
-                   Foreground="{DynamicResource TextMuteBrush}" VerticalAlignment="Center"/>
-        <TextBlock Text="{Binding Tokens, StringFormat='tok: {0}'}" FontSize="11"
-                   Foreground="{DynamicResource TextMuteBrush}" VerticalAlignment="Center"/>
+        <!-- Stop button — only when running -->
+        <Button Grid.Column="3"
+                Classes="icon-btn"
+                Command="{Binding StopCommand}"
+                IsVisible="{Binding IsRunning}"
+                ToolTip.Tip="Stop agent"
+                VerticalAlignment="Center">
+          <PathIcon Data="{StaticResource Icon.X}" Width="12" Height="12"
+                    Foreground="{DynamicResource BloodBrush}"/>
+        </Button>
+      </Grid>
+
+      <!-- Row 2: WORKTREE label + path + copy button -->
+      <Grid ColumnDefinitions="Auto,*,Auto"
+            IsVisible="{Binding WorktreePath, Converter={x:Static ObjectConverters.IsNotNull}}">
+        <TextBlock Grid.Column="0"
+                   Text="WORKTREE"
+                   FontFamily="{DynamicResource MonoFont}" FontSize="9"
+                   LetterSpacing="1.2"
+                   Foreground="{DynamicResource TextFaintBrush}"
+                   VerticalAlignment="Center"
+                   Margin="0,0,8,0"/>
+        <TextBlock Grid.Column="1"
+                   Text="{Binding WorktreePath}"
+                   FontFamily="{DynamicResource MonoFont}" FontSize="10"
+                   Foreground="{DynamicResource TextDimBrush}"
+                   TextTrimming="CharacterEllipsis"
+                   VerticalAlignment="Center"/>
+        <Button Grid.Column="2"
+                Classes="icon-btn"
+                ToolTip.Tip="Copy path"
+                VerticalAlignment="Center">
+          <PathIcon Data="{StaticResource Icon.Copy}" Width="11" Height="11"/>
+        </Button>
+      </Grid>
+
+      <!-- Row 3: Branch line — icon + branch ← main + commits chip -->
+      <StackPanel Orientation="Horizontal" Spacing="6"
+                  IsVisible="{Binding BranchLine, Converter={x:Static ObjectConverters.IsNotNull}}">
+        <PathIcon Data="{StaticResource Icon.GitBranch}" Width="11" Height="11"
+                  Foreground="{DynamicResource AccentBrush}"
+                  VerticalAlignment="Center"/>
+        <TextBlock Text="{Binding BranchLine}"
+                   FontFamily="{DynamicResource MonoFont}" FontSize="10"
+                   Foreground="{DynamicResource TextDimBrush}"
+                   VerticalAlignment="Center"/>
+        <Border Classes="chip"
+                IsVisible="{Binding CommitsOnBranch}"
+                Padding="5,1" CornerRadius="4">
+          <TextBlock Text="{Binding CommitsOnBranch, StringFormat='{}{0}c'}"
+                     FontFamily="{DynamicResource MonoFont}" FontSize="9"
+                     Foreground="{DynamicResource TextFaintBrush}"/>
+        </Border>
       </StackPanel>
-      <!-- Row 2: worktree path -->
-      <TextBlock Text="{Binding WorktreePath}" FontFamily="{DynamicResource MonoFamily}"
-                 FontSize="11" Foreground="{DynamicResource TextDimBrush}"
-                 TextTrimming="CharacterEllipsis"
-                 IsVisible="{Binding WorktreePath, Converter={x:Static ObjectConverters.IsNotNull}}"/>
-      <!-- Row 3: branch line -->
-      <TextBlock Text="{Binding BranchLine}" FontFamily="{DynamicResource MonoFamily}"
-                 FontSize="11" Foreground="{DynamicResource TextDimBrush}"
-                 IsVisible="{Binding BranchLine, Converter={x:Static ObjectConverters.IsNotNull}}"/>
-      <!-- Button row -->
-      <StackPanel Orientation="Horizontal" Spacing="8" Margin="0,6,0,0">
+
+      <!-- Row 4: DIFF label + +add −del + meter bar -->
+      <Grid ColumnDefinitions="Auto,Auto,Auto,*">
+        <TextBlock Grid.Column="0"
+                   Text="DIFF"
+                   FontFamily="{DynamicResource MonoFont}" FontSize="9"
+                   LetterSpacing="1.2"
+                   Foreground="{DynamicResource TextFaintBrush}"
+                   VerticalAlignment="Center"
+                   Margin="0,0,8,0"/>
+        <TextBlock Grid.Column="1"
+                   Text="{Binding DiffAdditions, StringFormat='+{0}'}"
+                   Classes="diff-add"
+                   VerticalAlignment="Center"
+                   Margin="0,0,4,0"/>
+        <TextBlock Grid.Column="2"
+                   Text="{Binding DiffDeletions, StringFormat='−{0}'}"
+                   Classes="diff-del"
+                   VerticalAlignment="Center"
+                   Margin="0,0,8,0"/>
+        <!-- Slim 4px meter: track + fill using a Grid overlay -->
+        <Grid Grid.Column="3" VerticalAlignment="Center">
+          <Border Classes="diff-meter-track"/>
+          <Rectangle Classes="diff-meter-fill"
+                     Width="{Binding DiffMeterRatio}"
+                     HorizontalAlignment="Left"
+                     RenderTransformOrigin="0,0.5">
+            <Rectangle.RenderTransform>
+              <ScaleTransform ScaleX="{Binding $parent[Grid].Bounds.Width}"/>
+            </Rectangle.RenderTransform>
+          </Rectangle>
+        </Grid>
+      </Grid>
+
+      <!-- Action buttons -->
+      <StackPanel Orientation="Horizontal" Spacing="6" Margin="0,4,0,0">
         <Button Classes="btn" Content="Open diff" Command="{Binding OpenDiffCommand}"/>
         <Button Classes="btn" Content="Worktree" Command="{Binding OpenWorktreeCommand}"/>
-        <Button Classes="btn" Content="Stop" Command="{Binding StopCommand}"/>
-        <Button Classes="btn" Content="Approve &amp; merge" Command="{Binding ApproveMergeCommand}"/>
       </StackPanel>
+
     </StackPanel>
   </Border>
 </UserControl>