fix: 恢复医生列表/问诊入口

患者端需要：
- 医生列表（找医生）
- 问诊对话页
- 医生用Web端回复，患者用App发起

health_app/lib/core/app_router.dart

@@ -7,6 +7,7 @@ import '../pages/medication/medication_list_page.dart';
 import '../pages/medication/medication_edit_page.dart';
 import '../pages/report/report_pages.dart';
 import '../pages/report/ai_analysis_page.dart';
+import '../pages/consultation/consultation_pages.dart';
 import '../pages/settings/settings_pages.dart';
 import '../pages/settings/notification_prefs_page.dart';
 import '../pages/profile/profile_page.dart';
@@ -36,6 +37,10 @@ Widget buildPage(RouteInfo route) {
       return ReportDetailPage(id: params['id']!);
     case 'aiAnalysis':
       return const AiAnalysisPage();
+    case 'doctors':
+      return const DoctorListPage();
+    case 'consultation':
+      return DoctorChatPage(id: params['id']!);
     case 'exercisePlan':
       return const ExercisePlanPage();
     case 'dietRecords':