feat: extend optional HTML feedback to graduate imports in 0.7.8

mobile/test/features/feedback_test.dart

@@ -37,6 +37,40 @@ Future<void> reveal(
 }
 
 void main() {
+  testWidgets('graduate HTML can be selected, consented and sent with logs', (
+    tester,
+  ) async {
+    final store = SchoolPageDiagnostic.instance;
+    addTearDown(store.clear);
+    store.remember(
+      '<select id="drpxq"><option value="73" selected>2026-2027秋</option></select>'
+      '<table id="tbl"><tr><td id="t11">研究生课程排查内容</td></tr></table>',
+      Uri.parse('https://yjsjy.uestc.edu.cn/pyxx/pygl/xskbcx/index/73'),
+    );
+    final sender = RecordingSender();
+    await tester.pumpWidget(MaterialApp(home: FeedbackPage(sender: sender)));
+    await tester.enterText(
+      find.byKey(const Key('feedback-message')),
+      '研究生课表导入失败',
+    );
+    await reveal(tester, find.byKey(const Key('feedback-html')));
+    await tester.tap(find.byKey(const Key('feedback-logs')));
+    await tester.pump();
+    await tester.tap(find.byKey(const Key('feedback-html')));
+    await tester.pumpAndSettle();
+    await tester.tap(find.text('同意附带'));
+    await tester.pumpAndSettle();
+    await reveal(tester, find.byKey(const Key('feedback-submit')));
+    await tester.tap(find.byKey(const Key('feedback-submit')));
+    await tester.pumpAndSettle();
+    expect(sender.submissions, hasLength(1));
+    expect(sender.submissions.single.diagnosticLog, isNotNull);
+    expect(
+      utf8.decode(sender.submissions.single.diagnosticHtml!),
+      contains('研究生课程排查内容'),
+    );
+    expect(store.export(), isNull);
+  });
   testWidgets('HTML is opt in, confirmed, and stays identical on retry', (
     tester,
   ) async {