feat: 全面UI改造 — 报告/饮食/运动/用药/侧边栏/对话流/胶囊

- 报告模块：重写AI解读页，统一白色卡片+三栏布局(指标→解读→医生审核)；加删除功能+后端删接口；VLM自动识别报告类型生成中文标题；去五颜六色
- 饮食分析：全面重设计，暖橙主题配色，图片自适应，餐次emoji选择器，去紫色
- 运动确认卡片：修复duration_minutes JSON类型转换，支持中文数字识别(三十分钟/半小时→30)；主区域只显示运动名，字段行改为横向排列
- 流式输出：简化为最基础逐字追加，去buffer+Timer+淡入动画
- 欢迎卡片：每智能体独立渐变色(青/橙/蓝/紫/绿/粉)，加卡片入场滑入+淡入动画(600ms)
- 确认卡片：头部去紫色背景改浅灰白，字段行去图标改纯信息横排，编辑框去双重边框
- 用药管理：胶囊改TabBar，添加按钮改右下FAB；打卡按钮改对号圆圈形式；药丸图标白底
- 侧边栏：加VIP服务/保险栏+图标，标题字体放大；服务包去查看更多+去VIP金色标签
- 胶囊：首页智能体胶囊白底深色字; side胶囊加阴影
- 对话流：reverse=false，今日健康出现在顶部; 对话页input bar匹配主页面样式
- 其他：个人资料去紫色+去多余入口；设置页白底图标；蓝牙页加返回按钮；报告管理改名
- 后端：加DELETE /api/reports/{id}; 修复manage_exercise数据类型转换；AI提示优化中文数字

health_app/lib/pages/profile/profile_page.dart

@@ -14,17 +14,10 @@ class ProfilePage extends ConsumerWidget {
     final name = user?.name?.isNotEmpty == true ? user!.name! : '未设置昵称';
     final phone = user?.phone ?? '';
 
-    return Scaffold(
-      backgroundColor: AppColors.background,
+    return GradientScaffold(
       appBar: AppBar(
         backgroundColor: AppColors.cardBackground,
         title: const Text('个人信息'),
-        actions: [
-          TextButton(
-            onPressed: () => pushRoute(ref, 'healthArchive'),
-            child: const Text('编辑档案', style: TextStyle(fontSize: 15, color: AppColors.primary)),
-          ),
-        ],
       ),
       body: SafeArea(
         child: SingleChildScrollView(
@@ -34,35 +27,14 @@ class ProfilePage extends ConsumerWidget {
 
             // 头像区
             Center(
-              child: Stack(children: [
-                Container(
-                  padding: const EdgeInsets.all(3),
-                  decoration: BoxDecoration(
-                    gradient: AppColors.gPurplePink,
-                    shape: BoxShape.circle,
-                  ),
-                  child: CircleAvatar(
-                    radius: 50,
-                    backgroundColor: AppColors.cardBackground,
-                    backgroundImage: user?.avatarUrl != null ? NetworkImage(user!.avatarUrl!) : null,
-                    child: user?.avatarUrl == null
-                        ? const Icon(Icons.person, size: 48, color: AppColors.primary)
-                        : null,
-                  ),
-                ),
-                Positioned(
-                  right: 0, bottom: 0,
-                  child: Container(
-                    width: 34, height: 34,
-                    decoration: BoxDecoration(
-                      gradient: AppColors.gPurplePink,
-                      shape: BoxShape.circle,
-                      border: Border.all(color: AppColors.cardBackground, width: 3),
-                    ),
-                    child: const Icon(Icons.camera_alt, size: 17, color: AppColors.textOnGradient),
-                  ),
-                ),
-              ]),
+              child: CircleAvatar(
+                radius: 50,
+                backgroundColor: AppColors.cardInner,
+                backgroundImage: user?.avatarUrl != null ? NetworkImage(user!.avatarUrl!) : null,
+                child: user?.avatarUrl == null
+                    ? const Icon(Icons.person, size: 48, color: AppColors.textHint)
+                    : null,
+              ),
             ),
             const SizedBox(height: 20),
             Text(name, style: const TextStyle(fontSize: 24, fontWeight: FontWeight.w700, color: AppColors.textPrimary)),
@@ -70,13 +42,13 @@ class ProfilePage extends ConsumerWidget {
             Container(
               padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 6),
               decoration: BoxDecoration(
-                color: AppColors.primaryLight,
-                borderRadius: BorderRadius.circular(AppTheme.rPill),
+                color: Colors.white,
+                borderRadius: BorderRadius.circular(20),
               ),
               child: Row(mainAxisSize: MainAxisSize.min, children: [
-                const Icon(Icons.phone_android, size: 16, color: AppColors.primary),
+                const Icon(Icons.phone_android, size: 16, color: AppColors.textSecondary),
                 const SizedBox(width: 6),
-                Text(phone.isNotEmpty ? phone : '未绑定手机', style: const TextStyle(fontSize: 14, color: AppColors.primary)),
+                Text(phone.isNotEmpty ? phone : '未绑定手机', style: const TextStyle(fontSize: 14, color: AppColors.textSecondary)),
               ]),
             ),
 
@@ -100,20 +72,23 @@ class ProfilePage extends ConsumerWidget {
               ]),
             ),
 
-            const SizedBox(height: 24),
+            const SizedBox(height: 40),
 
-            // 快捷入口
-            Row(children: [
-              Expanded(child: _actionCard(Icons.folder_outlined, '健康档案', () => pushRoute(ref, 'healthArchive'))),
-              const SizedBox(width: 12),
-              Expanded(child: _actionCard(Icons.bluetooth_rounded, '蓝牙设备', () => pushRoute(ref, 'devices'))),
-            ]),
-            const SizedBox(height: 12),
-            Row(children: [
-              Expanded(child: _actionCard(Icons.settings_outlined, '设置', () => pushRoute(ref, 'settings'))),
-              const SizedBox(width: 12),
-              Expanded(child: _actionCard(Icons.logout, '退出登录', () => _logout(context, ref), isDestructive: true)),
-            ]),
+            // 退出登录
+            SizedBox(
+              width: 200,
+              child: OutlinedButton.icon(
+                onPressed: () => _logout(context, ref),
+                icon: const Icon(Icons.logout, size: 18),
+                label: const Text('退出登录', style: TextStyle(fontSize: 16)),
+                style: OutlinedButton.styleFrom(
+                  foregroundColor: AppColors.error,
+                  side: const BorderSide(color: AppColors.error),
+                  shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
+                  padding: const EdgeInsets.symmetric(vertical: 12),
+                ),
+              ),
+            ),
 
             const SizedBox(height: 40),
           ]),
@@ -129,10 +104,10 @@ class ProfilePage extends ConsumerWidget {
         Container(
           width: 40, height: 40,
           decoration: BoxDecoration(
-            color: AppColors.primaryLight,
+            color: Colors.white,
             borderRadius: BorderRadius.circular(10),
           ),
-          child: Icon(icon, size: 22, color: AppColors.primary),
+          child: Icon(icon, size: 22, color: AppColors.textSecondary),
         ),
         const SizedBox(width: 14),
         Expanded(
@@ -147,26 +122,6 @@ class ProfilePage extends ConsumerWidget {
     );
   }
 
-  Widget _actionCard(IconData icon, String label, VoidCallback onTap, {bool isDestructive = false}) {
-    final c = isDestructive ? AppColors.error : AppColors.primary;
-    return GestureDetector(
-      onTap: onTap,
-      child: Container(
-        padding: const EdgeInsets.symmetric(vertical: 16, horizontal: 16),
-        decoration: BoxDecoration(
-          color: AppColors.cardBackground,
-          borderRadius: BorderRadius.circular(AppTheme.rMd),
-          boxShadow: [AppTheme.shadowLight],
-        ),
-        child: Row(mainAxisAlignment: MainAxisAlignment.center, children: [
-          Icon(icon, size: 20, color: c),
-          const SizedBox(width: 8),
-          Text(label, style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: isDestructive ? c : AppColors.textPrimary)),
-        ]),
-      ),
-    );
-  }
-
   Future<void> _logout(BuildContext context, WidgetRef ref) async {
     final ok = await showDialog<bool>(
       context: context,

health_app/lib/pages/profile/service_package_detail_page.dart

@@ -12,14 +12,13 @@ class ServicePackageDetailPage extends ConsumerWidget {
   Widget build(BuildContext context, WidgetRef ref) {
     final package = servicePackages.where((p) => p.id == packageId).firstOrNull;
     if (package == null) {
-      return Scaffold(
+      return GradientScaffold(
         appBar: AppBar(title: const Text('服务包详情')),
         body: const Center(child: Text('未找到该服务包')),
       );
     }
 
-    return Scaffold(
-      backgroundColor: AppTheme.bg,
+    return GradientScaffold(
       appBar: AppBar(
         title: Text(package.title, style: const TextStyle(fontSize: 19)),
         centerTitle: true,