diff --git a/apps/ai-game-creator-shell/src/App.tsx b/apps/ai-game-creator-shell/src/App.tsx
index a65717054..ff02c78bd 100644
--- a/apps/ai-game-creator-shell/src/App.tsx
+++ b/apps/ai-game-creator-shell/src/App.tsx
@@ -534,6 +534,41 @@ function claimInitialSupervisorMessageForPage(projectPath: string) {
   return true;
 }
 
+/**
+ * 历史回读与"尚未落盘的运行时消息"合并。
+ *
+ * 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[],
+  current: ChatMessage[],
+): ChatMessage[] {
+  if (current.length === 0) {
+    return loaded;
+  }
+  const loadedIds = new Set(
+    loaded
+      .map((message) => message.messageId)
+      .filter((id): id is string => Boolean(id)),
+  );
+  const loadedTexts = new Set(
+    loaded.map((message) => `${message.role}\u0000${message.text}`),
+  );
+  const pending = current.filter((message) => {
+    if (!message.runtimeOwned) {
+      return false;
+    }
+    if (message.messageId) {
+      return !loadedIds.has(message.messageId);
+    }
+    return !loadedTexts.has(`${message.role}\u0000${message.text}`);
+  });
+  return pending.length > 0 ? [...loaded, ...pending] : loaded;
+}
+
 export { AuthenticatedClient } from './app/AuthenticatedClient';
 export type { PendingCommand } from './app/types';
 export {
@@ -3475,8 +3510,12 @@ export function App({
       setProjectSupervisorResponseStream(null);
     }
     setConversationVisibleCount(CONVERSATION_INITIAL_VISIBLE_COUNT);
-    setMessages(() => {
-      const nextMessages = conversationMessages;
+    setMessages((current) => {
+      // 不能整体替换：乐观插入、尚未落盘的用户消息会被冲掉（初始需求看不到就是这个原因）。
+      const nextMessages = mergeLoadedConversationWithPendingRuntimeMessages(
+        conversationMessages,
+        current,
+      );
       savedConversationProjectPathRef.current = nextProjectPath;
       savedConversationCountRef.current = nextMessages.length;
       latestMessagesRef.current = nextMessages;
@@ -3690,7 +3729,12 @@ export function App({
       }
       setProjectSupervisorRuntimeError(runtimeError || resumeError);
       setMessages((current) => {
-        const nextConversationMessages = conversationMessages;
+        // replace 分支同样不能丢掉尚未落盘的运行时消息（初始需求）。
+        const nextConversationMessages =
+          mergeLoadedConversationWithPendingRuntimeMessages(
+            conversationMessages,
+            current,
+          );
         const hasOnlyDefaultGreeting =
           current.length === 1 &&
           current[0]?.role === 'assistant' &&
diff --git a/apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx b/apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx
index a0f965ca2..3358312d0 100644
--- a/apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx
+++ b/apps/ai-game-creator-shell/src/features/project-workspace/ProjectSupervisorView.tsx
@@ -591,15 +591,7 @@ export function ProjectSupervisorView({
                   : '陶泥儿正在处理'}
               </strong>
             </header>
-            {transientReply ? (
-              <div aria-label="陶泥儿实时回复">
-                <ChatMarkdownMessage
-                  role="assistant"
-                  text={transientReply}
-                  streaming
-                />
-              </div>
-            ) : null}
+
             {directProcessDetail ? (
               <div className="project-supervisor-process-detail">
                 <p