diff --git a/apps/ai-game-creator-shell/tests/appSurface/home.suite.ts b/apps/ai-game-creator-shell/tests/appSurface/home.suite.ts
index 8a84e24b4..8f65a77bf 100644
--- a/apps/ai-game-creator-shell/tests/appSurface/home.suite.ts
+++ b/apps/ai-game-creator-shell/tests/appSurface/home.suite.ts
@@ -1384,6 +1384,11 @@ export function registerHomeProjectCreationTests() {
             manifest,
           };
         }
+        // DirectProject 聊天容器自己订阅项目清单（项目身份与 `@` 引用素材都来自它），
+        // 首轮需求要等清单到位才认领，所以这里必须提供清单读数。
+        if (command === 'get_local_game_manifest') {
+          return manifest;
+        }
         if (command === 'chat_with_game_creator_direct_codex') {
           chatHarness.completeDirectThreadTurn({
             turnId: String(args?.clientTurnId ?? ''),
@@ -1512,6 +1517,9 @@ export function registerHomeProjectCreationTests() {
             manifest,
           };
         }
+        if (command === 'get_local_game_manifest') {
+          return manifest;
+        }
         if (command === 'upload_local_asset') {
           return {
             id: 'asset-upload-1',
@@ -1575,28 +1583,37 @@ export function registerHomeProjectCreationTests() {
       mediaType: 'image/png',
       bytes: fileBytes,
     });
-    expect(invoke).toHaveBeenCalledWith('chat_with_game_creator_direct_codex', {
-      projectPath: automaticProjectPath,
-      prompt: '按这个角色做游戏',
-      creationType: 'game',
-      clientTurnId: expect.any(String),
-      userItem: {
-        id: expect.stringMatching(/^direct-codex:[A-Za-z0-9-]+:user$/),
-        type: 'message',
-        role: 'user',
-        // 首页附件随首轮一起进 canonical content：它就是这一轮输入的一部分。
-        content: [
-          { type: 'input_text', text: '按这个角色做游戏' },
-          {
-            type: 'agc_attachment_reference',
-            name: '角色参考.png',
-            mediaType: 'image/png',
-            size: attachment.size,
-            localPath: 'assets/uploads/reference.png',
-            status: 'imported',
+    // 首轮需求由 DirectProject 聊天容器认领：它要先读到项目清单（项目身份就绪）才发送，
+    // 所以这里等一等，不能在「工作台已出现」的同一帧断言。
+    await waitFor(() => {
+      expect(invoke).toHaveBeenCalledWith(
+        'chat_with_game_creator_direct_codex',
+        {
+          projectPath: automaticProjectPath,
+          // `prompt` 是 canonical content 的可读投影：首页附件作为
+          // `agc_attachment_reference` 也在这一轮输入里，按同一口径展开成 `@名称`。
+          prompt: '按这个角色做游戏@角色参考.png',
+          creationType: 'game',
+          clientTurnId: expect.any(String),
+          userItem: {
+            id: expect.stringMatching(/^direct-codex:[A-Za-z0-9-]+:user$/),
+            type: 'message',
+            role: 'user',
+            // 首页附件随首轮一起进 canonical content：它就是这一轮输入的一部分。
+            content: [
+              { type: 'input_text', text: '按这个角色做游戏' },
+              {
+                type: 'agc_attachment_reference',
+                name: '角色参考.png',
+                mediaType: 'image/png',
+                size: attachment.size,
+                localPath: 'assets/uploads/reference.png',
+                status: 'imported',
+              },
+            ],
           },
-        ],
-      },
+        },
+      );
     });
     expect(invoke).not.toHaveBeenCalledWith(
       'chat_with_game_creator_home_direct_codex',