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':

health_app/lib/pages/home/home_page.dart

@@ -434,7 +434,7 @@ class _HomePageState extends ConsumerState<HomePage> {
       case ActiveAgent.health: return [_agentBtn('录入血压', Icons.favorite), _agentBtn('录入血糖', Icons.bloodtype), _agentBtn('录入心率', Icons.monitor_heart), _agentBtn('录入血氧', Icons.air), _agentBtn('录入体重', Icons.monitor_weight)];
       case ActiveAgent.diet: return [_agentBtn('拍照识别', Icons.camera_alt), _agentBtn('上传照片', Icons.photo_library)];
       case ActiveAgent.medication: return [_agentBtn('用药管理', Icons.medication), _agentBtn('用药提醒', Icons.alarm)];
-      case ActiveAgent.consultation: return [];
+      case ActiveAgent.consultation: return [_agentBtn('找医生', Icons.person_search)];
       case ActiveAgent.exercise: return [_agentBtn('本周计划', Icons.calendar_view_week), _agentBtn('新建计划', Icons.add_circle_outline)];
       default: return [];
     }
@@ -461,6 +461,7 @@ class _HomePageState extends ConsumerState<HomePage> {
       case '录入血氧': _textCtrl.text = '血氧 ';
       case '录入体重': _textCtrl.text = '体重 ';
       case '用药管理': pushRoute(ref, 'medications');
+      case '找医生': pushRoute(ref, 'doctors');
       case '本周计划': case '新建计划': pushRoute(ref, 'exercisePlan');
     }
   }