20260513 mindmap优化01

wolai-frontend/src/components/sidebar/use-preferred-sidebar-snapshot.test.tsx

@@ -72,7 +72,7 @@ describe("usePreferredSidebarSnapshot", () => {
     container.remove();
   });
 
-  it("tree stream live 时即使 query 更新也应继续优先使用 stream 快照", async () => {
+  it("tree stream 仍停在 initial 时，query 新快照不应被旧 stream 压住", async () => {
     const initialData = buildSidebarData([buildDocument({ title: "标题 A" })]);
     const staleTreeStream = buildSidebarData([buildDocument({ title: "标题 A" })]);
     const refreshedQuery = buildSidebarData([
@@ -81,6 +81,12 @@ describe("usePreferredSidebarSnapshot", () => {
         updated_at: "2026-04-21T00:00:01.000Z",
       }),
     ]);
+    const caughtUpTreeStream = buildSidebarData([
+      buildDocument({
+        title: "标题 B",
+        updated_at: "2026-04-21T00:00:01.000Z",
+      }),
+    ]);
     await act(async () => {
       root.render(
         <Harness
@@ -112,10 +118,29 @@ describe("usePreferredSidebarSnapshot", () => {
       );
     });
 
+    expect(onState.mock.lastCall?.[0]).toMatchObject({
+      source: "query",
+      data: expect.objectContaining({
+        kernelSidebarTree: [expect.objectContaining({ title: "标题 B" })],
+      }),
+    });
+
+    await act(async () => {
+      root.render(
+        <Harness
+          initialData={initialData}
+          sidebarQueryData={refreshedQuery}
+          treeStreamData={caughtUpTreeStream}
+          treeStreamStatus="live"
+          onState={onState}
+        />,
+      );
+    });
+
     expect(onState.mock.lastCall?.[0]).toMatchObject({
       source: "tree_stream",
       data: expect.objectContaining({
-        kernelSidebarTree: [expect.objectContaining({ title: "标题 A" })],
+        kernelSidebarTree: [expect.objectContaining({ title: "标题 B" })],
       }),
     });
   });