完善桌面体验与系统通知收口

frontend/src/session/desktopNotificationManager.test.ts

@@ -39,7 +39,7 @@ describe("desktop notification manager", () => {
       },
     });
     acknowledgeNotificationsMock.mockResolvedValue({ data: {} });
-    showNotificationMock.mockResolvedValue(undefined);
+    showNotificationMock.mockResolvedValue(true);
   });
 
   afterEach(async () => {
@@ -53,7 +53,7 @@ describe("desktop notification manager", () => {
 
   it("acknowledges displayed notifications and leaves failed deliveries for retry", async () => {
     showNotificationMock
-      .mockResolvedValueOnce(undefined)
+      .mockResolvedValueOnce(true)
       .mockRejectedValueOnce(new Error("notification failed"));
     const { initDesktopNotificationManager, triggerDesktopNotificationPoll } = await import("./desktopNotificationManager");
 
@@ -66,6 +66,21 @@ describe("desktop notification manager", () => {
     expect(acknowledgeNotificationsMock).toHaveBeenCalledTimes(1);
   });
 
+  it("does not acknowledge notifications when the system dispatch does not happen", async () => {
+    showNotificationMock
+      .mockResolvedValueOnce(false)
+      .mockResolvedValueOnce(true);
+    const { initDesktopNotificationManager, triggerDesktopNotificationPoll } = await import("./desktopNotificationManager");
+
+    initDesktopNotificationManager();
+    triggerDesktopNotificationPoll();
+    await vi.runOnlyPendingTimersAsync();
+
+    expect(showNotificationMock).toHaveBeenCalledTimes(2);
+    expect(acknowledgeNotificationsMock).toHaveBeenCalledWith("claim-token", ["notification-2"]);
+    expect(acknowledgeNotificationsMock).toHaveBeenCalledTimes(1);
+  });
+
   it("does not claim notifications before operating system permission is granted", async () => {
     getPermissionMock.mockResolvedValue("prompt");
     const { initDesktopNotificationManager, triggerDesktopNotificationPoll } = await import("./desktopNotificationManager");