diff --git a/apps/ai-game-creator-shell/src/view/project-development/index.tsx b/apps/ai-game-creator-shell/src/view/project-development/index.tsx
index 14fa858a9..1b03734ec 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/index.tsx
+++ b/apps/ai-game-creator-shell/src/view/project-development/index.tsx
@@ -7198,22 +7198,27 @@ export default function ProjectDevelopmentView({
                       <ListFilter size={15} aria-hidden="true" />
                       类型
                     </button>
-                    {/*
-                      画布不再自动重排，整张整理只由这一次显式动作发起：丢掉全部自动坐标、
-                      按当前资源与拓扑重算（手动拖过的卡原地不动）。进行中的保存/重算仍然由
-                      既有的「保存中 / 布局已保存」状态位反馈。
-                    */}
-                    <button
-                      type="button"
-                      aria-label="整理画布"
-                      disabled={!resourceLayoutReady}
-                      aria-busy={resourceLayoutSaving}
-                      onClick={() => activeResourceLayout.rederiveNow()}
-                    >
-                      <LayoutGrid size={15} aria-hidden="true" />
-                      整理画布
-                    </button>
                   </div>
+                  {/*
+                    「整理画布」是本行的动作按钮，不是第三种排列方式：它留在
+                    `game-workbench-view-actions` 这个动作区里、紧跟模式切换之后，外观直接复用
+                    该容器既有的动作按钮样式（有边圆角 + secondary 填充），与分段的 pill 模式
+                    切换一眼可分；因此不新增任何 CSS。
+
+                    画布不再自动重排，整张整理只由这一次显式动作发起：丢掉全部自动坐标、按当前
+                    资源与拓扑重算（手动拖过的卡原地不动）。进行中的保存/重算仍然由既有的
+                    「保存中 / 布局已保存」状态位反馈。
+                  */}
+                  <button
+                    type="button"
+                    aria-label="整理画布"
+                    disabled={!resourceLayoutReady}
+                    aria-busy={resourceLayoutSaving}
+                    onClick={() => activeResourceLayout.rederiveNow()}
+                  >
+                    <LayoutGrid size={15} aria-hidden="true" />
+                    整理画布
+                  </button>
                 </>
               ) : null}
             </div>
diff --git a/apps/ai-game-creator-shell/tests/resourceCanvasManualLayout.test.tsx b/apps/ai-game-creator-shell/tests/resourceCanvasManualLayout.test.tsx
index 0d9f4ca4c..28132ffc7 100644
--- a/apps/ai-game-creator-shell/tests/resourceCanvasManualLayout.test.tsx
+++ b/apps/ai-game-creator-shell/tests/resourceCanvasManualLayout.test.tsx
@@ -23,6 +23,7 @@ import {
   React,
   render,
   screen,
+  within,
 } from './appSurface/harness';
 
 /**
@@ -752,6 +753,53 @@ describe('资源画布手动重排口径', () => {
     expect(typeWrites(tauri)).toHaveLength(1);
   });
 
+  it('「整理画布」不属于「资源排列方式」这组模式切换，而是一枚独立动作按钮', async () => {
+    const projectPath = '/tmp/manual-layout-surface-project';
+    const tauri = installLayoutTauri({
+      projectIdsByPath: { [projectPath]: 'manual-layout-surface-project' },
+    });
+    render(
+      <LayoutWorkbench
+        projects={[
+          {
+            projectId: 'manual-layout-surface-project',
+            projectPath,
+            assets: [pngAsset('asset-art-b', 'art-b.png')],
+          },
+        ]}
+      />,
+    );
+
+    const sortGroup = await screen.findByRole('group', {
+      name: '资源排列方式',
+    });
+    // 这组里只有两种排列方式：用户不该把「整理画布」读成第三种排列方式。
+    expect(
+      within(sortGroup)
+        .getAllByRole('button')
+        .map((button) => button.getAttribute('aria-label')),
+    ).toEqual(['按依赖', '按类型']);
+    expect(
+      within(sortGroup).queryByRole('button', { name: '整理画布' }),
+    ).toBeNull();
+
+    // 它仍在同一行、仍是同一枚动作按钮，只是搬出了那个 group。
+    const rederiveButton = screen.getByRole('button', { name: '整理画布' });
+    expect(sortGroup.contains(rederiveButton)).toBe(false);
+    expect(rederiveButton.closest('.game-resource-sort-tabs')).toBeNull();
+    expect(
+      rederiveButton.closest('.game-workbench-view-actions'),
+    ).not.toBeNull();
+    // 语义没变：可点性只跟布局就绪绑定，布局读完后它就是可点的。
+    await waitFor(() =>
+      expect(
+        screen
+          .getByRole('button', { name: '整理画布' })
+          .hasAttribute('disabled'),
+      ).toBe(false),
+    );
+  });
+
   it('首次打开项目与切项目都不触发新素材聚焦跳转', async () => {
     const tauri = installLayoutTauri({
       projectIdsByPath: {