diff --git a/apps/ai-game-creator-shell/tests/appSurface/project-development.suite.ts b/apps/ai-game-creator-shell/tests/appSurface/project-development.suite.ts
index 2438d7657..df819a4ab 100644
--- a/apps/ai-game-creator-shell/tests/appSurface/project-development.suite.ts
+++ b/apps/ai-game-creator-shell/tests/appSurface/project-development.suite.ts
@@ -9341,6 +9341,8 @@ export function registerProjectSupervisorSurfaceTests() {
 
     expect(fireEvent.keyDown(composer, { key: 'Enter' })).toBe(false);
     await waitFor(() => {
+      // canonical content 原样保留编辑器内容：上面的 Shift+Enter 与组合态 Enter
+      // 在编辑器里各插入一个真实换行，提交时不能被悄悄丢掉。
       expect(invoke).toHaveBeenCalledWith(
         'chat_with_game_creator_direct_codex',
         {
@@ -9351,7 +9353,7 @@ export function registerProjectSupervisorSurfaceTests() {
             id: expect.stringMatching(/^direct-codex:[A-Za-z0-9-]+:user$/),
             type: 'message',
             role: 'user',
-            content: [{ type: 'input_text', text: '修改玩家移动脚本' }],
+            content: [{ type: 'input_text', text: '修改玩家移动脚本\n\n' }],
           },
         },
       );