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/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(