feat: integrate undergraduate school workflows and period twelve

mobile/lib/features/exams/exams_page.dart

@@ -6,12 +6,20 @@ import 'package:flutter/material.dart';
 
 import '../../app/app_controller.dart';
 import '../../app/app_theme.dart';
-import '../school/school_exam_adapter.dart';
+import '../../data/exam_file_import.dart';
+import '../../domain/school_identity.dart';
+import '../../domain/undergraduate_exam_query.dart';
 
 class ExamsPage extends StatelessWidget {
-  const ExamsPage({super.key, required this.controller, required this.onSync});
+  const ExamsPage({
+    super.key,
+    required this.controller,
+    required this.onSync,
+    this.onQueryOptions,
+  });
   final AppController controller;
   final VoidCallback onSync;
+  final VoidCallback? onQueryOptions;
   Future<void> _import(BuildContext context) async {
     try {
       final file = await FilePicker.pickFile(
@@ -28,7 +36,7 @@ class ExamsPage extends StatelessWidget {
         }
         bytes.add(chunk);
       }
-      final draft = SchoolExamAdapter.extract(utf8.decode(bytes.takeBytes()));
+      final draft = ExamFileImport.parse(utf8.decode(bytes.takeBytes()));
       if (!context.mounted) return;
       final confirmed = await showDialog<bool>(
         context: context,
@@ -95,6 +103,12 @@ class ExamsPage extends StatelessWidget {
               onPressed: onSync,
               icon: const Icon(Icons.sync_rounded),
             ),
+            if (onQueryOptions != null)
+              IconButton(
+                tooltip: '查询选项',
+                onPressed: onQueryOptions,
+                icon: const Icon(Icons.tune_rounded),
+              ),
             IconButton(
               tooltip: '导入考试 HTML',
               onPressed: () => _import(context),
@@ -132,11 +146,21 @@ class ExamsPage extends StatelessWidget {
           ),
         ] else ...[
           Text(
-            '${schedule.semesterLabel} · ${schedule.records.length} 门课程',
+            '${schedule.school.label} · ${schedule.semesterLabel} · ${schedule.records.length} 条考试',
             style: TextStyle(fontSize: 13, color: ink.withValues(alpha: 0.55)),
           ),
           const SizedBox(height: 18),
-          if (schedule.records.isEmpty) const Text('该学期暂无考试课程'),
+          if (schedule.school == SupportedSchool.uestcUndergraduate)
+            Text(
+              '查询类型：${UndergraduateExamQuery.fromSchedule(schedule)!.orderedTypes.map((t) => t.label).join('、')}',
+              style: const TextStyle(fontSize: 12),
+            ),
+          if (schedule.records.isEmpty)
+            Text(
+              schedule.school == SupportedSchool.uestcUndergraduate
+                  ? '所选考试类型暂未安排'
+                  : '该学期暂无考试课程',
+            ),
           for (final exam in schedule.records)
             Padding(
               padding: const EdgeInsets.only(bottom: 14),
@@ -152,9 +176,25 @@ class ExamsPage extends StatelessWidget {
                       ),
                     ),
                     const SizedBox(height: 14),
+                    if (exam.date.isNotEmpty)
+                      _field(Icons.calendar_today_rounded, '考试日期', exam.date),
                     _field(Icons.schedule_rounded, '考试时间', exam.time),
                     _field(Icons.location_on_outlined, '考场', exam.room),
                     _field(Icons.event_seat_outlined, '座位号', exam.seat),
+                    if (exam.examTypeId != null)
+                      _field(
+                        Icons.category_outlined,
+                        '考试类型',
+                        UndergraduateExamType.fromId(exam.examTypeId!).label,
+                      ),
+                    if (exam.status.isNotEmpty)
+                      _field(
+                        Icons.assignment_turned_in_outlined,
+                        '考试情况',
+                        exam.status,
+                      ),
+                    if (exam.notes.isNotEmpty)
+                      _field(Icons.info_outline_rounded, '说明', exam.notes),
                     if (exam.assessment.isNotEmpty)
                       _field(
                         Icons.assignment_outlined,