diff --git a/apps/ai-game-creator-shell/scripts/check-config.mjs b/apps/ai-game-creator-shell/scripts/check-config.mjs
index 9833f1251..da4523c06 100644
--- a/apps/ai-game-creator-shell/scripts/check-config.mjs
+++ b/apps/ai-game-creator-shell/scripts/check-config.mjs
@@ -1754,8 +1754,6 @@ for (const snippet of [
   "'write_game_creator_app_config'",
   'aria-label="运行时配置"',
   'LLM API Key',
-  'External Editor Base URL',
-  'External Editor API Key',
   'runtime_config.save',
   "'/run：运行自检，启动本地 HTTP 预览并载入客户端运行视图'",
   "'activate_local_game_preview'",
@@ -1791,6 +1789,19 @@ for (const snippet of [
   }
 }
 
+for (const snippet of [
+  "label: '连接与工具'",
+  "id: 'connections'",
+  "activeSection === 'connections'",
+  'aria-label="外部连接"',
+]) {
+  if (appSource.includes(snippet)) {
+    throw new Error(
+      `AI game creator shell removed settings page was reintroduced: ${snippet}`,
+    );
+  }
+}
+
 for (const script of [
   'ai-game-creator-shell:dev',
   'ai-game-creator-shell:dev-server',
diff --git a/apps/ai-game-creator-shell/src/features/runtime-config/RuntimeConfigDialog.tsx b/apps/ai-game-creator-shell/src/features/runtime-config/RuntimeConfigDialog.tsx
index 0ff7f445c..44f47ffb7 100644
--- a/apps/ai-game-creator-shell/src/features/runtime-config/RuntimeConfigDialog.tsx
+++ b/apps/ai-game-creator-shell/src/features/runtime-config/RuntimeConfigDialog.tsx
@@ -1,6 +1,5 @@
 import {
   Bot,
-  Cable,
   CheckCircle2,
   CircleAlert,
   Info,
@@ -91,7 +90,6 @@ const defaultRuntimeConfigDraft: GameCreatorAppConfig = {
 type RuntimeSettingsSection =
   | 'general'
   | 'agents'
-  | 'connections'
   | 'extensions'
   | 'advanced'
   | 'about';
@@ -116,12 +114,6 @@ const runtimeSettingsSections = [
     description: '按角色覆盖默认模型',
     icon: Bot,
   },
-  {
-    id: 'connections',
-    label: '连接与工具',
-    description: '外部服务',
-    icon: Cable,
-  },
   {
     id: 'extensions',
     label: '扩展',
@@ -1452,57 +1444,6 @@ export function RuntimeConfigDialog({
                   })}
                 </div>
               ) : null}
-              {activeSection === 'connections' ? (
-                <section
-                  className="runtime-settings-section"
-                  aria-label="外部连接"
-                >
-                  <header className="runtime-settings-section-header">
-                    <div>
-                      <h3>外部连接</h3>
-                      <p>配置图片编辑器使用的外部服务</p>
-                    </div>
-                  </header>
-                  {allowAdvancedExternalEditorConfig ? (
-                    <div className="runtime-settings-fields">
-                      <label>
-                        External Editor Base URL
-                        <input
-                          aria-label="External Editor Base URL"
-                          value={runtimeConfigDraft.editorApi.baseUrl}
-                          onChange={(event) =>
-                            setRuntimeConfigDraft((current) => ({
-                              ...current,
-                              editorApi: {
-                                ...current.editorApi,
-                                baseUrl: event.currentTarget.value,
-                              },
-                            }))
-                          }
-                        />
-                      </label>
-                      <label>
-                        External Editor API Key
-                        <input
-                          aria-label="External Editor API Key"
-                          autoComplete="off"
-                          type="password"
-                          value={runtimeConfigDraft.editorApi.apiKey}
-                          onChange={(event) =>
-                            setRuntimeConfigDraft((current) => ({
-                              ...current,
-                              editorApi: {
-                                ...current.editorApi,
-                                apiKey: event.currentTarget.value,
-                              },
-                            }))
-                          }
-                        />
-                      </label>
-                    </div>
-                  ) : null}
-                </section>
-              ) : null}
               {activeSection === 'extensions' ? (
                 <section
                   className="runtime-settings-section runtime-settings-extensions"
diff --git a/apps/ai-game-creator-shell/src/view/ui-editor/components/preview/PreviewWorkspace.tsx b/apps/ai-game-creator-shell/src/view/ui-editor/components/preview/PreviewWorkspace.tsx
index df640566d..8a18c368d 100644
--- a/apps/ai-game-creator-shell/src/view/ui-editor/components/preview/PreviewWorkspace.tsx
+++ b/apps/ai-game-creator-shell/src/view/ui-editor/components/preview/PreviewWorkspace.tsx
@@ -514,7 +514,14 @@ export function PreviewWorkspace({
             {(actions) => (
               <div
                 className="absolute bottom-3 right-3 z-10 flex items-center gap-1 rounded-lg border border-(--platform-subpanel-border) bg-white/90 p-1 shadow-lg"
-                data-ui-editor-zoom-controls
+                onMouseDown={(event) => {
+                  if (
+                    event.target instanceof Element &&
+                    event.target.closest('button')
+                  ) {
+                    event.preventDefault();
+                  }
+                }}
               >
                 <button
                   type="button"
diff --git a/apps/ai-game-creator-shell/src/view/ui-editor/uiEditorKeyboardShortcuts.ts b/apps/ai-game-creator-shell/src/view/ui-editor/uiEditorKeyboardShortcuts.ts
index 5ce9ad4cc..90657f5b4 100644
--- a/apps/ai-game-creator-shell/src/view/ui-editor/uiEditorKeyboardShortcuts.ts
+++ b/apps/ai-game-creator-shell/src/view/ui-editor/uiEditorKeyboardShortcuts.ts
@@ -21,11 +21,10 @@ function isEditableTarget(target: EventTarget | null) {
 
 function isInteractiveTarget(target: EventTarget | null) {
   const element = target instanceof Element ? target : null;
-  if (element?.closest('[data-ui-editor-zoom-controls]')) return false;
   return Boolean(
     (target instanceof HTMLElement && target.isContentEditable) ||
       element?.closest(
-        'button, a, input:not([type="range"]), textarea, select, [contenteditable="true"], [role="button"], [role="dialog"], [aria-modal="true"]',
+        'button, a, input, textarea, select, [contenteditable="true"], [role="button"], [role="dialog"], [aria-modal="true"]',
       ),
   );
 }
diff --git a/apps/ai-game-creator-shell/tests/appSurface/runtime-settings.suite.ts b/apps/ai-game-creator-shell/tests/appSurface/runtime-settings.suite.ts
index 8ba0967cd..2bca43be0 100644
--- a/apps/ai-game-creator-shell/tests/appSurface/runtime-settings.suite.ts
+++ b/apps/ai-game-creator-shell/tests/appSurface/runtime-settings.suite.ts
@@ -832,7 +832,7 @@ export function registerPublishedRuntimeSettingsTests() {
     expect(
       screen.getByLabelText('LLM API Key').getAttribute('autocomplete'),
     ).toBe('off');
-    fireEvent.click(screen.getByRole('button', { name: /连接与工具/ }));
+    expect(screen.queryByRole('button', { name: /连接与工具/ })).toBeNull();
     expect(screen.queryByLabelText('External Editor Base URL')).toBeNull();
     expect(screen.queryByLabelText('External Editor API Key')).toBeNull();
     fireEvent.click(screen.getByRole('button', { name: /Agent 模型/ }));
@@ -1007,7 +1007,7 @@ export function registerPublishedRuntimeSettingsTests() {
         target: { value: 'ark' },
       },
     );
-    fireEvent.click(screen.getByRole('button', { name: /连接与工具/ }));
+    expect(screen.queryByRole('button', { name: /连接与工具/ })).toBeNull();
     expect(screen.queryByLabelText('External Editor Base URL')).toBeNull();
     expect(screen.queryByLabelText('External Editor API Key')).toBeNull();
     fireEvent.click(
@@ -1166,7 +1166,7 @@ export function registerPublishedRuntimeSettingsTests() {
       'value',
       '12000',
     );
-    fireEvent.click(screen.getByRole('button', { name: /连接与工具/ }));
+    expect(screen.queryByRole('button', { name: /连接与工具/ })).toBeNull();
     expect(screen.queryByLabelText('External Editor Base URL')).toBeNull();
     expect(screen.queryByLabelText('External Editor API Key')).toBeNull();
     fireEvent.click(
diff --git a/apps/ai-game-creator-shell/tests/uiEditorKeyboardShortcuts.test.ts b/apps/ai-game-creator-shell/tests/uiEditorKeyboardShortcuts.test.ts
index 62dd1f105..f21c284db 100644
--- a/apps/ai-game-creator-shell/tests/uiEditorKeyboardShortcuts.test.ts
+++ b/apps/ai-game-creator-shell/tests/uiEditorKeyboardShortcuts.test.ts
@@ -60,30 +60,32 @@ describe('ui editor keyboard shortcuts', () => {
     window.removeEventListener('keydown', listener);
   });
 
-  it('keeps node deletion available when the zoom slider has focus', () => {
-    const slider = document.createElement('input');
-    slider.type = 'range';
-    document.body.append(slider);
-    const deleteNode = vi.fn(() => ({ ok: true }));
-    const listener = (event: KeyboardEvent) =>
-      handleUiEditorKeyDown(event, {
-        selectedNodeId: 'node-1',
-        activeImageId: 'page-1',
-        deleteNode,
-        historyUndo: vi.fn(() => true),
-        historyRedo: vi.fn(() => true),
-      });
-    window.addEventListener('keydown', listener);
+  it.each(['Delete', 'Backspace'])(
+    'does not delete a node when the zoom slider has focus (%s)',
+    (key) => {
+      const slider = document.createElement('input');
+      slider.type = 'range';
+      document.body.append(slider);
+      const deleteNode = vi.fn(() => ({ ok: true }));
+      const listener = (event: KeyboardEvent) =>
+        handleUiEditorKeyDown(event, {
+          selectedNodeId: 'node-1',
+          activeImageId: 'page-1',
+          deleteNode,
+          historyUndo: vi.fn(() => true),
+          historyRedo: vi.fn(() => true),
+        });
+      window.addEventListener('keydown', listener);
 
-    fireEvent.keyDown(slider, { key: 'Delete' });
+      fireEvent.keyDown(slider, { key });
 
-    expect(deleteNode).toHaveBeenCalledWith('node-1', 'page-1');
-    window.removeEventListener('keydown', listener);
-  });
+      expect(deleteNode).not.toHaveBeenCalled();
+      window.removeEventListener('keydown', listener);
+    },
+  );
 
-  it('keeps node deletion available after a zoom button is clicked', () => {
+  it('keeps node deletion available after zoom button focus is released', () => {
     const zoomControls = document.createElement('div');
-    zoomControls.setAttribute('data-ui-editor-zoom-controls', '');
     const zoomIn = document.createElement('button');
     zoomControls.append(zoomIn);
     document.body.append(zoomControls);
@@ -99,7 +101,7 @@ describe('ui editor keyboard shortcuts', () => {
     window.addEventListener('keydown', listener);
 
     fireEvent.click(zoomIn);
-    fireEvent.keyDown(zoomIn, { key: 'Delete' });
+    fireEvent.keyDown(window, { key: 'Delete' });
 
     expect(deleteNode).toHaveBeenCalledWith('node-1', 'page-1');
     window.removeEventListener('keydown', listener);
diff --git a/docs/【交互设计】预览画布缩放滑杆-2026-09-05.md b/docs/【交互设计】预览画布缩放滑杆-2026-09-05.md
index eb518c538..cd57f23ee 100644
--- a/docs/【交互设计】预览画布缩放滑杆-2026-09-05.md
+++ b/docs/【交互设计】预览画布缩放滑杆-2026-09-05.md
@@ -11,7 +11,7 @@
 - 保留 `−` 与 `+` 按钮。点击轨道可跳转，拖动滑块实时更新画布和百分比。
 - 缩放以视口中心为中心，继续支持 Ctrl/Cmd + 滚轮缩放。
 - 滑杆支持方向键、Home、End；百分比文本可点击编辑并在失焦时限制到有效范围。
-- 缩放滑杆即使处于焦点，也不得拦截 UI 节点的 Delete/Backspace 快捷删除。
+- 缩放滑杆获得焦点时，Delete/Backspace 不触发 UI 节点快捷删除；缩放按钮鼠标点击不改变快捷键焦点。
 - Windows/Linux 使用 `Ctrl`，macOS 使用 `Cmd`；`+`、`=` 与 `NumpadAdd` 放大，`-` 与 `NumpadSubtract` 缩小，允许按键重复时连续缩放。
 - 快捷键直接复用现有 `+`/`−` 按钮动作：以视口中心为锚点，按 `×1.16`/`×0.86` 改变缩放。
 - 鼠标悬停在预览画布上，或预览画布已获得键盘焦点时，快捷键生效。预览画布需提供可聚焦语义与无障碍名称。