修复错误报告加载失败提示

区分错误事件读取失败与空事件列表

增加错误状态回归测试

apps/ai-game-creator-shell/src/components/error-report/ErrorReportDialog.tsx

@@ -29,6 +29,7 @@ function diagnosticLogLabel(
 export function ErrorReportDialog({ open, onClose }: ErrorReportDialogProps) {
   const [events, setEvents] = useState<ClientErrorEvent[]>([]);
   const [eventsReady, setEventsReady] = useState(false);
+  const [eventsError, setEventsError] = useState(false);
   const [selectedFingerprints, setSelectedFingerprints] = useState<Set<string>>(
     new Set(),
   );
@@ -46,6 +47,7 @@ export function ErrorReportDialog({ open, onClose }: ErrorReportDialogProps) {
     let disposed = false;
     setEvents([]);
     setEventsReady(false);
+    setEventsError(false);
     setSelectedFingerprints(new Set());
     setStatus('');
     setLogsReady(false);
@@ -61,8 +63,8 @@ export function ErrorReportDialog({ open, onClose }: ErrorReportDialogProps) {
       })
       .catch(() => {
         if (disposed) return;
+        setEventsError(true);
         setEventsReady(true);
-        setStatus('错误事件暂不可用，请关闭后重试');
       });
     void readApplicationDiagnosticLogs()
       .then((nextLogs) => {
@@ -145,6 +147,8 @@ export function ErrorReportDialog({ open, onClose }: ErrorReportDialogProps) {
           <strong>错误事件（{events.length}）</strong>
           {!eventsReady ? (
             <p>正在读取当前错误…</p>
+          ) : eventsError ? (
+            <p role="alert">错误事件暂不可用，请关闭后重试。</p>
           ) : events.length ? (
             <ul className="m-0 mt-2 grid list-none gap-2 p-0">
               {events.map((event) => (

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

@@ -52,4 +52,16 @@ describe('ErrorReportDialog', () => {
     expect(await screen.findByText(event.message)).toBeTruthy();
     expect(mockState.getPending).toHaveBeenCalledTimes(1);
   });
+
+  it('读取错误事件失败时显示不可用状态而不是空列表', async () => {
+    mockState.getPending.mockRejectedValue(new Error('读取失败'));
+    mockState.readLogs.mockResolvedValue([]);
+
+    render(<ErrorReportDialog open onClose={vi.fn()} />);
+
+    expect(
+      await screen.findByText('错误事件暂不可用，请关闭后重试。'),
+    ).toBeTruthy();
+    expect(screen.queryByText('当前没有待报告的错误。')).toBeNull();
+  });
 });