fix: prevent silent refresh from overwriting newly created conversations in EditorAgentConversation

src/components/image-editor/EditorAgentConversation/useEditorAgentConversation.test.tsx

@@ -264,6 +264,75 @@ describe('useEditorAgentConversation', () => {
     expect(result.current.isLoadingMessages).toBe(false);
   });
 
+  it('does not let a silent refresh replace a newly created conversation', async () => {
+    const client = createClient();
+    let resolveRefresh!: (detail: EditorAgentConversationDetail) => void;
+    let resolveCreate!: (detail: EditorAgentConversationDetail) => void;
+    const refreshPromise = new Promise<EditorAgentConversationDetail>(
+      (resolve) => {
+        resolveRefresh = resolve;
+      },
+    );
+    const createPromise = new Promise<EditorAgentConversationDetail>(
+      (resolve) => {
+        resolveCreate = resolve;
+      },
+    );
+    const { result } = renderHook(() =>
+      useEditorAgentConversation({ projectId: 'project-1', client }),
+    );
+
+    await waitFor(() => {
+      expect(result.current.activeConversationId).toBe('conversation-1');
+    });
+    vi.mocked(client.getConversation).mockReturnValueOnce(refreshPromise);
+    vi.mocked(client.createConversation).mockReturnValueOnce(createPromise);
+
+    let pendingRefresh!: Promise<EditorAgentConversationDetail | null>;
+    let pendingCreate!: Promise<EditorAgentConversationDetail>;
+    act(() => {
+      pendingRefresh = result.current.refreshActiveConversation();
+      pendingCreate = result.current.createConversation();
+    });
+
+    await act(async () => {
+      resolveCreate({
+        conversationId: 'conversation-2',
+        projectId: 'project-1',
+        title: '新对话',
+        messages: [],
+        createdAt: '2026-07-03T00:01:00.000Z',
+        updatedAt: '2026-07-03T00:01:00.000Z',
+      });
+      await pendingCreate;
+    });
+    expect(result.current.activeConversationId).toBe('conversation-2');
+
+    await act(async () => {
+      resolveRefresh({
+        conversationId: 'conversation-1',
+        projectId: 'project-1',
+        title: '旧对话刷新结果',
+        messages: [
+          {
+            id: 10,
+            role: 'assistant',
+            text: '旧会话消息',
+            attachments: [],
+            toolCall: null,
+            createdAt: '2026-07-03T00:02:00.000Z',
+          },
+        ],
+        createdAt: '2026-07-03T00:00:00.000Z',
+        updatedAt: '2026-07-03T00:02:00.000Z',
+      });
+      await pendingRefresh;
+    });
+
+    expect(result.current.activeConversationId).toBe('conversation-2');
+    expect(result.current.messages).toEqual([]);
+  });
+
   it('appends a lazily reconciled tool message delta', async () => {
     const client = createClient();
     const pendingMessage: EditorAgentMessage = {

src/components/image-editor/EditorAgentConversation/useEditorAgentConversation.ts

@@ -224,22 +224,34 @@ export function useEditorAgentConversation({
   );
 
   const loadConversation = useCallback(
-    async (conversationId: string, options: { showLoading?: boolean } = {}) => {
+    async (
+      conversationId: string,
+      options: {
+        // `activate` may make conversationId active; `refresh` may apply only
+        // while that same conversationId is still active.
+        mode: 'activate' | 'refresh';
+        showLoading?: boolean;
+      },
+    ) => {
       const requestId = conversationLoadRequestIdRef.current + 1;
       conversationLoadRequestIdRef.current = requestId;
       const showLoading = options.showLoading ?? true;
+      const canApplyResult = () =>
+        conversationLoadRequestIdRef.current === requestId &&
+        (options.mode === 'activate' ||
+          activeConversationIdRef.current === conversationId);
       if (showLoading) {
         setIsLoadingMessages(true);
       }
       setErrorMessage(null);
       try {
         const detail = await client.getConversation(conversationId);
-        if (conversationLoadRequestIdRef.current === requestId) {
+        if (canApplyResult()) {
           applyConversationDetail(detail);
         }
         return detail;
       } catch (error) {
-        if (conversationLoadRequestIdRef.current === requestId) {
+        if (canApplyResult()) {
           setErrorMessage(
             error instanceof Error ? error.message : '读取画布 Agent 会话失败',
           );
@@ -326,6 +338,8 @@ export function useEditorAgentConversation({
         createConversationRequestIdRef.current === requestId &&
         normalizedProjectIdRef.current === requestedProjectId
       ) {
+        conversationLoadRequestIdRef.current += 1;
+        setIsLoadingMessages(false);
         applyConversationDetail(detail);
       }
       return detail;
@@ -354,7 +368,7 @@ export function useEditorAgentConversation({
       if (conversationId === activeConversationId) {
         return null;
       }
-      return loadConversation(conversationId);
+      return loadConversation(conversationId, { mode: 'activate' });
     },
     [activeConversationId, loadConversation],
   );
@@ -364,7 +378,10 @@ export function useEditorAgentConversation({
     if (!conversationId) {
       return null;
     }
-    return loadConversation(conversationId, { showLoading: false });
+    return loadConversation(conversationId, {
+      mode: 'refresh',
+      showLoading: false,
+    });
   }, [loadConversation]);
 
   const requestCanvasRefreshForMessages = useCallback(
@@ -374,9 +391,9 @@ export function useEditorAgentConversation({
           const toolCall = message.toolCall;
           return Boolean(
             toolCall?.externalJobId &&
-              (toolCall.images.length > 0 ||
-                (toolCall.videos?.length ?? 0) > 0 ||
-                (toolCall.audios?.length ?? 0) > 0),
+            (toolCall.images.length > 0 ||
+              (toolCall.videos?.length ?? 0) > 0 ||
+              (toolCall.audios?.length ?? 0) > 0),
           );
         })
       ) {
@@ -541,6 +558,7 @@ export function useEditorAgentConversation({
         }
 
         const detail = await loadConversation(conversationId, {
+          mode: 'refresh',
           showLoading: false,
         });
         const updatedMessage = detail.messages.find(
@@ -596,7 +614,9 @@ export function useEditorAgentConversation({
       setConversations(remainingConversations);
       const nextConversation = remainingConversations[0] ?? null;
       if (nextConversation) {
-        await loadConversation(nextConversation.conversationId);
+        await loadConversation(nextConversation.conversationId, {
+          mode: 'activate',
+        });
         return;
       }
       activeConversationIdRef.current = null;