Fix cached reminder recovery and retain pre-reconcile idle diagnostics

mobile/test/widgets/reminder_tools_test.dart

@@ -37,6 +37,14 @@ class _Notifications extends FakeNotifications {
             'model': 'TestModel',
             'sdk': 35,
             'backgroundRestricted': true,
+            'standbyBucket': 45,
+            'startupAlarmAudit': {
+              'capturedAtEpochMillis': 123,
+              'cachedCourseCount': 3,
+              'existingHandleCount': 1,
+              'missingHandleCount': 2,
+              'courseName': 'Private course name',
+            },
             'account': 'private@example.com',
           },
           'courseNames': ['Private course name'],
@@ -129,7 +137,7 @@ void main() {
     final previous = notifications.reconciliations;
     await tester.tap(find.text('检查提醒'));
     await tester.pump();
-    expect(notifications.reconciliationsAtDiagnosis, previous + 1);
+    expect(notifications.reconciliationsAtDiagnosis, previous);
     for (final button in tester.widgetList<TextButton>(
       find.byType(TextButton),
     )) {
@@ -174,5 +182,12 @@ void main() {
     expect(report['courseCount'], 0);
     expect(report['appVersion'], isNotEmpty);
     expect((report['system'] as Map)['model'], 'TestModel');
+    expect(
+      ((report['system'] as Map)['startupAlarmAudit']
+          as Map)['missingHandleCount'],
+      2,
+    );
+    expect((report['beforeCheck'] as Map)['pendingCount'], 2);
+    expect(find.textContaining('系统待机限制'), findsOneWidget);
   });
 }