feat: 二级页面色彩刷新 + 用药/通知/设备重构 + 后端健康档案/通知管线增强 + 大量测试

## 后端
- 健康档案: 新增手术状态字段 + EF 迁移; HealthArchiveService 新增查询方法
- 健康记录: HealthRecordService 新增批量/统计方法; 契约扩展
- 用药: 新增 MedicationScheduleStatus 枚举; MedicationService 排班逻辑调整
- 通知: EfUserNotificationPipeline 重构; 新增 EfReminderCatchUpService; 通知管线支持更多场景
- 用户: UserService 账号删除逻辑; 新增 local_account_file_cleanup; EfUserRepository 扩展
- AI: medication_agent_handler 微调; prompt_manager 优化; AiConversationService 上下文处理
- Endpoint: doctor/medication/exercise/health/notification/user 等多接口调整
- BackgroundService: health_record_reminder_service 重构, 提醒补漏逻辑
- 测试: 新增 account_deletion/doctor_endpoint/medication_schedule/medication_update/prompt_manager 测试

## 前端
- UI 系统: app_theme 大幅重构; app_colors/app_design_tokens/app_module_visuals 调整; 二级页面色彩刷新
- 主页: home_page 背景渐变 + 消息列表提取 _HomeMessages + 通知检查逻辑; chat_messages_view 全面重构
- 用药: medication_list/edit/checkin 三页重构, 新增 medication_ui_logic 抽取
- 通知: notification_prefs_page 重构, 新增 notification_prefs_logic; notification_center 优化
- 设备: device_management 重构, 新增 device_sync_ui_logic; device_scan 优化
- 趋势图: trend_page 大幅重构
- 登录: login_page 重构
- 个人资料: 新增 profile_edit_page; profile_page 优化
- 运动: 新增 exercise/ 目录 + care_plan_ui_logic
- 其他: remaining_pages/report_pages/health_drawer/admin/doctor 等多页面调整
- 组件: common_widgets/app_empty_state/app_error_state/app_future_view/app_toast/ai_content 优化
- Provider: chat_provider/consultation_provider/data_providers/auth_provider 调整
- AndroidManifest: 移除多余权限
- 测试: 新增 ai_content/care_plan/home_message/login_flow/medication_checkin/medication_ui/notification_prefs/profile_device/secondary_page/swipe_delete 等大量测试

## 文档
- 新增 ui-design-system.md 设计系统文档
- 新增 secondary-page-color-refresh 计划 + specs 目录

health_app/lib/pages/report/ai_analysis_page.dart

@@ -1,9 +1,12 @@
 import 'package:flutter/material.dart';
 import '../../core/app_colors.dart';
+import '../../core/app_design_tokens.dart';
 import '../../core/app_theme.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import '../../core/navigation_provider.dart';
 import '../../widgets/ai_content.dart';
+import '../../widgets/app_error_state.dart';
+import '../../widgets/common_widgets.dart';
 import 'report_pages.dart';
 
 /// AI 解读页：从服务器获取真实报告数据
@@ -26,14 +29,18 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
 
   @override
   Widget build(BuildContext context) {
-    final analysis = ref.watch(reportProvider.select((s) => s.currentAnalysis));
-    final reports = ref.watch(reportProvider.select((s) => s.reports));
+    final reportState = ref.watch(reportProvider);
+    final analysis = reportState.currentAnalysis;
+    final reports = reportState.reports;
     final reportItem = reports.where((r) => r.id == widget.id).firstOrNull;
 
-    if (analysis == null) {
+    if (reportState.isLoadingDetail) {
       return GradientScaffold(
         appBar: AppBar(
-          leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)),
+          leading: IconButton(
+            icon: const Icon(Icons.arrow_back),
+            onPressed: () => popRoute(ref),
+          ),
           title: const Text('报告解读'),
         ),
         body: const Center(
@@ -42,10 +49,30 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
       );
     }
 
+    if (analysis == null) {
+      return GradientScaffold(
+        appBar: AppBar(
+          leading: IconButton(
+            icon: const Icon(Icons.arrow_back),
+            onPressed: () => popRoute(ref),
+          ),
+          title: const Text('报告解读'),
+        ),
+        body: AppErrorState(
+          title: '报告详情加载失败',
+          subtitle: reportState.detailError ?? '暂时无法读取这份报告',
+          onRetry: () =>
+              ref.read(reportProvider.notifier).fetchReportDetail(widget.id),
+        ),
+      );
+    }
+
     final displayType = _displayName(analysis.reportType);
     final aiStatus = reportItem?.aiStatus ?? analysis.aiStatus;
     final reviewStatus = reportItem?.reviewStatus ?? analysis.reviewStatus;
     final fileUrl = reportItem?.fileUrl ?? analysis.fileUrl;
+    final fileType = reportItem?.type ?? analysis.fileType;
+    final isPdf = isPdfReport(fileType, fileUrl ?? '');
     final isReviewed = reviewStatus == 'Reviewed';
     final isAnalyzing = aiStatus == 'Analyzing';
     final isFailed = aiStatus == 'Failed';
@@ -73,6 +100,10 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
+            if (reportState.detailError != null) ...[
+              _detailErrorBanner(reportState.detailError!),
+              const SizedBox(height: 12),
+            ],
             if (fileUrl != null && fileUrl.isNotEmpty) ...[
               SizedBox(
                 width: double.infinity,
@@ -80,16 +111,26 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
                   onPressed: () => pushRoute(
                     ref,
                     'reportOriginal',
-                    params: {'url': fileUrl, 'title': displayType},
+                    params: {
+                      'url': fileUrl,
+                      'title': displayType,
+                      'fileType': fileType,
+                    },
+                  ),
+                  icon: Icon(
+                    isPdf
+                        ? Icons.picture_as_pdf_outlined
+                        : Icons.image_outlined,
+                    size: 18,
                   ),
-                  icon: const Icon(Icons.image_outlined, size: 18),
                   label: const Text('查看原始报告'),
                   style: OutlinedButton.styleFrom(
-                    foregroundColor: AppColors.primary,
-                    side: const BorderSide(color: AppColors.primaryLight),
+                    foregroundColor: AppColors.textPrimary,
+                    backgroundColor: Colors.white,
+                    side: const BorderSide(color: AppColors.border),
                     padding: const EdgeInsets.symmetric(vertical: 12),
                     shape: RoundedRectangleBorder(
-                      borderRadius: BorderRadius.circular(12),
+                      borderRadius: AppRadius.mdBorder,
                     ),
                   ),
                 ),
@@ -99,17 +140,26 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
             if (isAnalyzing || isFailed) ...[
               _analysisStateCard(
                 isFailed
-                    ? (analysis.summary.isNotEmpty ? analysis.summary : 'AI 分析失败，请重新上传或稍后重试')
-                    : 'AI 正在分析报告，请稍后刷新查看',
+                    ? (analysis.summary.isNotEmpty
+                          ? analysis.summary
+                          : 'AI 分析失败，请重新上传或稍后重试')
+                    : (reportState.pollingTimedOut
+                          ? '分析时间比预期更长，您可以稍后返回此页查看'
+                          : 'AI 正在分析报告，请稍后刷新查看'),
                 isFailed: isFailed,
+                busy: reportState.reanalyzingReportId == widget.id,
                 onRetry: isFailed
-                    ? () => ref.read(reportProvider.notifier).reanalyzeReport(widget.id)
+                    ? () => ref
+                          .read(reportProvider.notifier)
+                          .reanalyzeReport(widget.id)
                     : null,
               ),
               const SizedBox(height: 20),
             ],
             // 指标分析
-            if (!isAnalyzing && !isFailed && analysis.indicators.isNotEmpty) ...[
+            if (!isAnalyzing &&
+                !isFailed &&
+                analysis.indicators.isNotEmpty) ...[
               _sectionTitle('指标分析'),
               const SizedBox(height: 8),
               Container(
@@ -147,8 +197,8 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
               // 医生审核意见
               _sectionTitle('医生审核意见'),
               const SizedBox(height: 8),
-              if (isReviewed)
-                _doctorReviewCard(reportItem!)
+              if (isReviewed && reportItem != null)
+                _doctorReviewCard(reportItem)
               else
                 Container(
                   padding: const EdgeInsets.all(16),
@@ -171,7 +221,10 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
                       Spacer(),
                       Text(
                         'AI 预解读',
-                        style: TextStyle(fontSize: 14, color: AppColors.textHint),
+                        style: TextStyle(
+                          fontSize: 14,
+                          color: AppColors.textHint,
+                        ),
                       ),
                     ],
                   ),
@@ -184,19 +237,16 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
     );
   }
 
-  BoxDecoration _cardDeco() => BoxDecoration(
-    color: Colors.white,
-    borderRadius: BorderRadius.circular(16),
-    border: Border.all(color: AppColors.border),
-    boxShadow: AppColors.cardShadowLight,
-  );
+  BoxDecoration _cardDeco() =>
+      BoxDecoration(color: Colors.white, borderRadius: AppRadius.lgBorder);
 
   Widget _analysisStateCard(
     String message, {
     required bool isFailed,
+    bool busy = false,
     VoidCallback? onRetry,
   }) {
-    final color = isFailed ? AppColors.error : AppColors.primary;
+    final color = isFailed ? AppColors.errorText : AppColors.primary;
     return Container(
       padding: const EdgeInsets.all(16),
       decoration: _cardDeco(),
@@ -217,7 +267,9 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
                   style: TextStyle(
                     fontSize: 16,
                     height: 1.6,
-                    color: isFailed ? AppColors.error : AppColors.textPrimary,
+                    color: isFailed
+                        ? AppColors.errorText
+                        : AppColors.textPrimary,
                     fontWeight: FontWeight.w600,
                   ),
                 ),
@@ -228,18 +280,10 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
             const SizedBox(height: 14),
             SizedBox(
               width: double.infinity,
-              child: ElevatedButton.icon(
-                onPressed: onRetry,
-                icon: const Icon(Icons.refresh, size: 18),
-                label: const Text('重新分析'),
-                style: ElevatedButton.styleFrom(
-                  backgroundColor: AppColors.primary,
-                  foregroundColor: Colors.white,
-                  padding: const EdgeInsets.symmetric(vertical: 12),
-                  shape: RoundedRectangleBorder(
-                    borderRadius: BorderRadius.circular(12),
-                  ),
-                ),
+              child: AppGradientOutlineButton(
+                label: busy ? '正在重新分析...' : '重新分析',
+                loading: busy,
+                onPressed: busy ? null : onRetry,
               ),
             ),
           ],
@@ -248,6 +292,32 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
     );
   }
 
+  Widget _detailErrorBanner(String message) {
+    return Container(
+      padding: const EdgeInsets.all(12),
+      decoration: BoxDecoration(
+        color: AppColors.errorLight,
+        borderRadius: AppRadius.mdBorder,
+      ),
+      child: Row(
+        children: [
+          const Icon(Icons.error_outline, color: AppColors.errorText, size: 20),
+          const SizedBox(width: 8),
+          Expanded(
+            child: Text(
+              message,
+              style: const TextStyle(
+                color: AppColors.errorText,
+                fontSize: 14,
+                fontWeight: FontWeight.w600,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
   Widget _sectionTitle(String text) => Row(
     children: [
       Container(
@@ -272,9 +342,9 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
 
   Widget _indicatorRow(Indicator ind) {
     final (color, icon) = switch (ind.status) {
-      'high' => (AppColors.error, Icons.arrow_upward),
-      'low' => (AppColors.warning, Icons.arrow_downward),
-      _ => (AppColors.success, Icons.check_circle),
+      'high' => (AppColors.errorText, Icons.arrow_upward),
+      'low' => (AppColors.warningText, Icons.arrow_downward),
+      _ => (AppColors.successText, Icons.check_circle),
     };
     return Container(
       padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
@@ -341,7 +411,7 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
               padding: const EdgeInsets.all(12),
               decoration: BoxDecoration(
                 color: AppColors.cardInner,
-                borderRadius: BorderRadius.circular(12),
+                borderRadius: AppRadius.mdBorder,
               ),
               child: Text(
                 report.doctorComment!,
@@ -360,7 +430,7 @@ class _AiAnalysisPageState extends ConsumerState<AiAnalysisPage> {
               padding: const EdgeInsets.all(12),
               decoration: BoxDecoration(
                 color: AppColors.cardInner,
-                borderRadius: BorderRadius.circular(12),
+                borderRadius: AppRadius.mdBorder,
               ),
               child: Text(
                 report.doctorRecommendation!,