diff --git a/README.md b/README.md
index 36f9d8e..a92a53e 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,11 @@ Windows 전용 시맨틱 런처 & 워크스페이스 매니저
 - 메시지 내부 액션 바와 Cowork/Code 실행 배너를 더 `claw-code`처럼 보조 레이어로 낮췄습니다. 메시지 액션은 텍스트 버튼 대신 작은 아이콘 버튼 중심으로 바꾸고, 실행 배너는 여백·폰트·토큰 배지·파일 경로 표시를 한 단계 더 얇게 줄여 본문보다 덜 튀게 정리했습니다.
 - 검증 예정: `dotnet build src/AxCopilot/AxCopilot.csproj -c Release -v minimal -p:OutputPath=bin\\verify\\ -p:IntermediateOutputPath=obj\\verify\\`
 
+- 업데이트: 2026-04-05 17:19 (KST)
+- 상단 헤더와 탭 그룹, 좌측 대화 목록 행 메타를 더 `claw-code` 쪽 밀도로 조정했습니다. 상단 탭은 더 얇은 세그먼트형으로 줄였고, 사이드바 토글 버튼도 크기와 선 두께를 낮췄습니다.
+- 대화 목록은 실행 상태/요약 텍스트와 우측 편집 아이콘을 더 약하게 줄여 제목 중심으로 읽히게 정리했습니다.
+- 검증 예정: `dotnet build src/AxCopilot/AxCopilot.csproj -c Release -v minimal -p:OutputPath=bin\\verify\\ -p:IntermediateOutputPath=obj\\verify\\`
+
 - 업데이트: 2026-04-05 16:02 (KST)
 - `document_plan` 후속 실행 분기를 `claw-code` 기준으로 다시 보강했습니다. 이제 문서 플래너 출력에서 body 골격과 즉시 실행 지시를 깨진 문자열 비교에 의존하지 않고 안정적으로 추출해, `html_create / document_assemble / docx_create / markdown_create` 후속 호출 유도가 실제로 이어집니다.
 - 코워크 문서형 작업은 설정이 `planMode=off`여도 내부적으로 `always` 플랜 경로를 타도록 보정했습니다. 그래서 문서/보고서/제안서 요청은 먼저 계획을 세우고, 그 계획을 바탕으로 실제 문서 생성 단계까지 이어가도록 정리했습니다.
diff --git a/docs/DEVELOPMENT.md b/docs/DEVELOPMENT.md
index 6def9cd..5879129 100644
--- a/docs/DEVELOPMENT.md
+++ b/docs/DEVELOPMENT.md
@@ -6,6 +6,7 @@
 - Document update: 2026-04-05 17:03 (KST) - Reworked the AX Agent UI skeleton further toward `claw-code`: sidebar width and row heights were tightened, the collapsed icon rail and sidebar header were flattened, status strips were reduced, and the composer shell/input chrome was made slimmer and less card-like.
 - Document update: 2026-04-05 17:03 (KST) - Re-tuned responsive width calculation for the new shell so the message axis now scales up to `880` and the composer up to `820`, keeping both aligned on the same center line as the window narrows or expands.
 - Document update: 2026-04-05 17:12 (KST) - Reduced message action chrome and event-banner density further toward `claw-code`. Message actions now use compact icon-only buttons, and Cowork/Code event banners use tighter margins, smaller metadata, and lighter file-path summaries so execution status stays subordinate to the main transcript.
+- Document update: 2026-04-05 17:19 (KST) - Tightened the top header/tab group and sidebar conversation-row chrome further toward `claw-code`. The top tabs now use a slimmer segmented control, the sidebar toggle button is smaller/lighter, and conversation-row metadata plus the edit affordance were reduced so the title remains the dominant visual anchor.
 - Document update: 2026-04-05 16:02 (KST) - Fixed the Cowork document execution handoff around `document_plan`. The loop no longer depends on broken localized marker strings to detect the scaffold/body block or the immediate-next-step hint; it now extracts body markers robustly and resolves the correct follow-up tool (`html_create`, `document_assemble`, `docx_create`, `markdown_create`) before re-prompting the model.
 - Document update: 2026-04-05 16:02 (KST) - Added `ResolveEffectivePlanMode(...)` so Cowork document/content tasks automatically use the `always` plan path even when the persisted plan mode is `off`. This brings Cowork closer to the `claw-code` expectation of plan-first execution for document-heavy work.
 - Document update: 2026-04-05 16:02 (KST) - Strengthened `BuildCoworkSystemPrompt()` so document/report/proposal/manual requests must produce an execution plan first and are not considered complete until a real output file path has been created or updated.
diff --git a/src/AxCopilot/Views/ChatWindow.xaml b/src/AxCopilot/Views/ChatWindow.xaml
index 1e94dd6..f5b084b 100644
--- a/src/AxCopilot/Views/ChatWindow.xaml
+++ b/src/AxCopilot/Views/ChatWindow.xaml
@@ -174,15 +174,15 @@
         <!-- 탭 버튼 -->
         <Style x:Key="TopTabBtn" TargetType="RadioButton">
             <Setter Property="Foreground" Value="{DynamicResource SecondaryText}"/>
-            <Setter Property="FontSize" Value="13"/>
+            <Setter Property="FontSize" Value="12"/>
             <Setter Property="FontWeight" Value="SemiBold"/>
             <Setter Property="Cursor" Value="Hand"/>
-            <Setter Property="Padding" Value="18,6"/>
+            <Setter Property="Padding" Value="16,5"/>
             <Setter Property="Template">
                 <Setter.Value>
                     <ControlTemplate TargetType="RadioButton">
                         <Border x:Name="Bd" Background="Transparent"
-                                CornerRadius="8" Padding="{TemplateBinding Padding}">
+                                CornerRadius="7" Padding="{TemplateBinding Padding}">
                             <ContentPresenter x:Name="Cp" HorizontalAlignment="Center" VerticalAlignment="Center"/>
                         </Border>
                         <ControlTemplate.Triggers>
@@ -1037,8 +1037,8 @@
                         <!-- 좌: 사이드바 토글 -->
                         <Button x:Name="BtnToggleSidebar"
                                 HorizontalAlignment="Left" VerticalAlignment="Center" Margin="10,0,0,0"
-                                Width="30"
-                                Height="30"
+                                Width="28"
+                                Height="28"
                                 Background="{DynamicResource HintBackground}"
                                 BorderBrush="{DynamicResource BorderColor}"
                                 BorderThickness="1"
@@ -1051,25 +1051,25 @@
                                             Background="{TemplateBinding Background}"
                                             BorderBrush="{TemplateBinding BorderBrush}"
                                             BorderThickness="{TemplateBinding BorderThickness}"
-                                            CornerRadius="8">
-                                        <Grid Width="30" Height="30">
+                                            CornerRadius="7">
+                                        <Grid Width="28" Height="28">
                                             <StackPanel HorizontalAlignment="Center"
                                                         VerticalAlignment="Center">
                                                 <Border x:Name="SidebarLine1"
-                                                        Width="12"
-                                                        Height="1.6"
+                                                        Width="11"
+                                                        Height="1.4"
                                                         CornerRadius="1"
                                                         Background="{DynamicResource SecondaryText}"/>
                                                 <Border x:Name="SidebarLine2"
-                                                        Width="12"
-                                                        Height="1.6"
-                                                        Margin="0,3,0,0"
+                                                        Width="11"
+                                                        Height="1.4"
+                                                        Margin="0,2.5,0,0"
                                                         CornerRadius="1"
                                                         Background="{DynamicResource SecondaryText}"/>
                                                 <Border x:Name="SidebarLine3"
-                                                        Width="12"
-                                                        Height="1.6"
-                                                        Margin="0,3,0,0"
+                                                        Width="11"
+                                                        Height="1.4"
+                                                        Margin="0,2.5,0,0"
                                                         CornerRadius="1"
                                                         Background="{DynamicResource SecondaryText}"/>
                                             </StackPanel>
@@ -1095,7 +1095,7 @@
                         <Border Grid.Column="1"
                                 HorizontalAlignment="Center" VerticalAlignment="Center"
                                 Background="{DynamicResource HintBackground}"
-                                CornerRadius="12" Padding="4"
+                                CornerRadius="10" Padding="3"
                                 WindowChrome.IsHitTestVisibleInChrome="True">
                             <StackPanel Orientation="Horizontal">
                                 <RadioButton x:Name="TabChat" Content="Chat" Style="{StaticResource TopTabBtn}"
@@ -1113,7 +1113,7 @@
                         <!-- 우: 최소화 + 최대화 + 닫기 -->
                         <StackPanel Grid.Column="2"
                                     Orientation="Horizontal" HorizontalAlignment="Right"
-                                    VerticalAlignment="Center" Margin="0,0,8,0"
+                                    VerticalAlignment="Center" Margin="0,0,6,0"
                                     WindowChrome.IsHitTestVisibleInChrome="True">
                             <Button Style="{StaticResource TitleBarActionButton}" Click="BtnMinimize_Click" ToolTip="최소화">
                                 <TextBlock Text="&#xE921;" FontFamily="Segoe MDL2 Assets" FontSize="12"
diff --git a/src/AxCopilot/Views/ChatWindow.xaml.cs b/src/AxCopilot/Views/ChatWindow.xaml.cs
index 35ccd0a..204e699 100644
--- a/src/AxCopilot/Views/ChatWindow.xaml.cs
+++ b/src/AxCopilot/Views/ChatWindow.xaml.cs
@@ -3291,10 +3291,10 @@ public partial class ChatWindow : Window
                 Text = _appState.ActiveTasks.Count > 0
                     ? $"진행 중 {_appState.ActiveTasks.Count}"
                     : "진행 중",
-                FontSize = 8,
+                FontSize = 7.75,
                 FontWeight = FontWeights.Medium,
                 Foreground = BrushFromHex("#4F46E5"),
-                Margin = new Thickness(0, 2, 0, 0),
+                Margin = new Thickness(0, 1.5, 0, 0),
             });
         }
         if (item.AgentRunCount > 0)
@@ -3304,11 +3304,11 @@ public partial class ChatWindow : Window
                 Text = item.FailedAgentRunCount > 0
                     ? $"실패 {item.FailedAgentRunCount} · {TruncateForStatus(item.LastAgentRunSummary, 26)}"
                     : $"실행 {item.AgentRunCount} · {TruncateForStatus(item.LastAgentRunSummary, 28)}",
-                FontSize = 8.25,
+                FontSize = 7.9,
                 Foreground = item.FailedAgentRunCount > 0
                     ? BrushFromHex("#B91C1C")
                     : (TryFindResource("SecondaryText") as Brush ?? Brushes.Gray),
-                Margin = new Thickness(0, 2, 0, 0),
+                Margin = new Thickness(0, 1.5, 0, 0),
                 TextTrimming = TextTrimming.CharacterEllipsis
             };
             if (!string.IsNullOrWhiteSpace(item.LastAgentRunSummary))
@@ -3329,7 +3329,7 @@ public partial class ChatWindow : Window
             {
                 Text = "\uE70F", // Edit
                 FontFamily = new FontFamily("Segoe MDL2 Assets"),
-                FontSize = 8.5,
+                FontSize = 8,
                 Foreground = (TryFindResource("SecondaryText") as Brush ?? Brushes.Gray)
             },
             Background = Brushes.Transparent,
@@ -3337,10 +3337,10 @@ public partial class ChatWindow : Window
             Cursor = Cursors.Hand,
             VerticalAlignment = VerticalAlignment.Center,
             Visibility = Visibility.Collapsed,
-            Width = 22,
-            Height = 22,
+            Width = 20,
+            Height = 20,
             Padding = new Thickness(0),
-            Opacity = 0.85,
+            Opacity = 0.72,
             ToolTip = _activeTab == "Cowork" ? "작업 유형" : "대화 주제 변경"
         };
         var capturedId = item.Id;