Revert "修复历史重读后旧消息追加到末尾的乱序"

This reverts commit 036395c6c9.

apps/ai-game-creator-shell/src/App.tsx

@@ -626,7 +626,7 @@ function claimInitialSupervisorMessageForPage(projectPath: string, scope = '') {
  * 初始需求是**乐观插入**到 messages 的（latch 命中后先插一条 user 消息，再发起回合），
  * 而历史回读在 replace 分支里是无条件整体替换 —— 只要回读晚于乐观插入，那条用户消息
  * 就会被冲掉（界面上看不到初始需求，但回合其实已经跑起来了）。
- * 这里只把当前 messages 里"非历史来源、运行时拥有、且回读结果里没有"的消息保留在末尾。
+ * 这里把当前 messages 里"运行时拥有、且回读结果里没有"的消息保留在末尾（它们是最新的）。
  */
 function mergeLoadedConversationWithPendingRuntimeMessages(
   loaded: ChatMessage[],
@@ -644,7 +644,7 @@ function mergeLoadedConversationWithPendingRuntimeMessages(
     loaded.map((message) => `${message.role}\u0000${message.text}`),
   );
   const pending = current.filter((message) => {
-    if (!message.runtimeOwned || message.fromHistory) {
+    if (!message.runtimeOwned) {
       return false;
     }
     if (message.messageId) {
@@ -4202,7 +4202,7 @@ export function App({
       const conversationMessages = mergeProjectSupervisorConversation(
         resolvedProjectConversation.messages,
         supervisorConversation?.messages ?? [],
-      ).map((message) => ({ ...message, fromHistory: true }));
+      );
       if (
         conversationContainsProjectSupervisorResponseStream(
           supervisorConversation?.messages ?? [],
@@ -12528,7 +12528,6 @@ export function App({
                 : ('assistant' as const),
             text: message.content,
             runtimeOwned: true,
-            fromHistory: true,
             messageId: message.messageId,
             updatedAt: message.updatedAt,
           }));

apps/ai-game-creator-shell/src/app/types.ts

@@ -999,8 +999,6 @@ export interface ChatMessage {
   agentId?: string | null;
   updatedAt?: number;
   runtimeOwned?: boolean;
-  /** 来自历史回读，不作为尚未落盘的实时消息追加到新历史页末尾。 */
-  fromHistory?: boolean;
 }
 
 export type DesignAgentInput =

apps/ai-game-creator-shell/tests/directHistoryPagination.test.tsx

@@ -97,43 +97,6 @@ afterEach(() => {
 });
 
 describe('Direct 聊天历史分页集成', () => {
-  it('加载旧页后重读历史回到最新页，再翻页仍按原顺序且不重复', async () => {
-    const invoke = install((args) =>
-      args.beforeItemId
-        ? page(messages.slice(0, 6), false)
-        : page(messages.slice(6), true),
-    );
-    mount();
-    await screen.findByText('历史正文 25');
-    fireEvent.click(earlier());
-    await screen.findByText('历史正文 0');
-    await setComposerText(screen.getByLabelText('陶泥儿对话内容'), '/history');
-    fireEvent.click(screen.getByRole('button', { name: '发送' }));
-    await act(async () => {
-      await Promise.resolve();
-    });
-    expect(screen.queryByText('历史正文 0')).toBeNull();
-    expect(screen.getByText('历史正文 25')).not.toBeNull();
-    fireEvent.click(earlier());
-    await screen.findByText('历史正文 0');
-    for (let index = 0; index < messages.length; index += 1) {
-      expect(screen.getAllByText(`历史正文 ${index}`)).toHaveLength(1);
-      if (index > 0) {
-        expect(
-          screen
-            .getByText(`历史正文 ${index - 1}`)
-            .compareDocumentPosition(screen.getByText(`历史正文 ${index}`)) &
-            Node.DOCUMENT_POSITION_FOLLOWING,
-        ).not.toBe(0);
-      }
-    }
-    expect(
-      invoke.mock.calls.filter(
-        ([command]) => command === 'read_direct_project_history_slice',
-      ),
-    ).toHaveLength(4);
-  });
-
   it('首屏按消息加载20条，更早消息使用原生游标，原始工具记录不占页', async () => {
     const invoke = install((args) =>
       args.beforeItemId