diff --git a/README.md b/README.md
index 9e180ab..692d61d 100644
--- a/README.md
+++ b/README.md
@@ -1279,3 +1279,5 @@ MIT License
 - 업데이트: 2026-04-06 16:39 (KST)
   - AX Agent 내부 설정 오른쪽 본문 [ChatWindow.xaml](/E:/AX%20Copilot%20-%20Codex/src/AxCopilot/Views/ChatWindow.xaml)의 `ScrollViewer`에 `IsDeferredScrollingEnabled`, `PanningMode`, `BitmapCache`를 적용해 스크롤 시 느껴지던 버벅임을 줄였다.
   - `저장 공간` 섹션의 `새로고침`, `대화 삭제`, `저장 공간 줄이기`는 기본 `Button` 대신 오버레이 전용 커스텀 액션 버튼 스타일(`OverlayActionBtn`)로 교체해 내부 설정 전체와 같은 시각 언어를 사용하도록 정리했다.
+- 업데이트: 2026-04-06 16:44 (KST)
+  - AX Agent 내부 설정 공통 탭의 `운영 모드` 섹션 구분선을 아래쪽에서 위쪽으로 옮겼다. [ChatWindow.xaml](/E:/AX%20Copilot%20-%20Codex/src/AxCopilot/Views/ChatWindow.xaml) 의 `OverlaySectionOperationMode`를 `BorderThickness="0,1,0,0"` 기준으로 바꿔 저장 공간 섹션 아래에 선이 남지 않고, 운영 모드 시작선으로 보이도록 정리했다.
diff --git a/docs/DEVELOPMENT.md b/docs/DEVELOPMENT.md
index 4a72f9b..16e30f3 100644
--- a/docs/DEVELOPMENT.md
+++ b/docs/DEVELOPMENT.md
@@ -4977,3 +4977,4 @@ ow + toggle ?쒓컖 ?몄뼱濡??ㅼ떆 ?뺣젹?덈떎.
 - Document update: 2026-04-06 16:28 (KST) - The attachment button now uses a compact `34x34` ghost surface and the send button uses a matching `36x36` circular emphasis surface with a centered upward arrow glyph, replacing the larger prior styling and making the footer composer closer to the requested minimal reference.
 - Document update: 2026-04-06 16:39 (KST) - Reduced the perceived lag while scrolling the AX Agent internal-settings overlay by enabling deferred scrolling and vertical panning on the right-side settings `ScrollViewer`, and by bitmap-caching the large stacked content block in `ChatWindow.xaml`.
 - Document update: 2026-04-06 16:39 (KST) - Replaced the plain storage-management buttons in the internal settings overlay with a new `OverlayActionBtn` style so `새로고침`, `대화 삭제`, and `저장 공간 줄이기` follow the same custom rounded action language as the rest of the AX Agent settings UI.
+- Document update: 2026-04-06 16:44 (KST) - Moved the separator for the AX Agent internal-settings `운영 모드` block from the bottom edge to the top edge in `ChatWindow.xaml` so the line reads as the start of the operation-mode section rather than trailing under the previous storage block.
diff --git a/src/AxCopilot/Views/ChatWindow.xaml b/src/AxCopilot/Views/ChatWindow.xaml
index 96df45e..665d673 100644
--- a/src/AxCopilot/Views/ChatWindow.xaml
+++ b/src/AxCopilot/Views/ChatWindow.xaml
@@ -3488,10 +3488,10 @@
                                             <Border x:Name="OverlaySectionOperationMode"
                                                     Background="Transparent"
                                                     BorderBrush="{DynamicResource BorderColor}"
-                                                    BorderThickness="0,0,0,1"
+                                                    BorderThickness="0,1,0,0"
                                                     CornerRadius="0"
-                                                    Padding="0,0,0,12"
-                                                    Margin="0,0,0,10">
+                                                    Padding="0,12,0,0"
+                                                    Margin="0,0,0,12">
                                                 <Grid x:Name="OverlayAnchorPermission">
                                                     <Grid.ColumnDefinitions>
                                                         <ColumnDefinition Width="*"/>