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/remaining_pages.dart

@@ -15,36 +15,40 @@ class DietRecordListPage extends ConsumerStatefulWidget {
   @override ConsumerState<DietRecordListPage> createState() => _DietRecordListPageState();
 }
 class _DietRecordListPageState extends ConsumerState<DietRecordListPage> {
-  Future<List<Map<String, dynamic>>>? _future;
+  List<Map<String, dynamic>> _data = [];
+  bool _loading = true;
 
   @override void initState() { super.initState(); _refresh(); }
-  void _refresh() { setState(() { _future = ref.read(dietServiceProvider).getRecords(); }); }
+  Future<void> _refresh() async {
+    final records = await ref.read(dietServiceProvider).getRecords();
+    if (mounted) setState(() { _data = records; _loading = false; });
+  }
+  Future<void> _delete(String id) async {
+    await ref.read(dietServiceProvider).deleteRecord(id);
+    if (mounted) setState(() => _data.removeWhere((d) => d['id']?.toString() == id));
+  }
 
   @override Widget build(BuildContext context) {
-    return Scaffold(
-      backgroundColor: AppTheme.bg,
+    return GradientScaffold(
       appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('饮食记录')),
-      body: FutureBuilder<List<Map<String, dynamic>>>(
-        future: _future,
-        builder: (ctx, snap) {
-          if (snap.connectionState == ConnectionState.waiting) return const Center(child: CircularProgressIndicator(color: AppTheme.primary));
-          final data = snap.data ?? [];
-          if (data.isEmpty) return _empty(context, '饮食记录', '暂无饮食记录，可通过「拍饮食」录入');
-          return ListView.builder(
+      body: Container(
+        decoration: const BoxDecoration(gradient: AppColors.bgGradient),
+        child: _loading
+          ? const Center(child: CircularProgressIndicator(color: AppTheme.primary))
+          : _data.isEmpty
+            ? _empty(context, '饮食记录', '暂无饮食记录，可通过「拍饮食」录入')
+            : ListView.builder(
             padding: const EdgeInsets.symmetric(vertical: 8),
-            itemCount: data.length,
+            itemCount: _data.length,
             itemBuilder: (ctx, i) {
-              final d = data[i];
+              final d = _data[i];
               final items = (d['foodItems'] as List?)?.cast<Map<String, dynamic>>() ?? [];
               final mealNames = {'Breakfast':'早餐','Lunch':'午餐','Dinner':'晚餐','Snack':'加餐'};
               final mealLabel = mealNames[d['mealType']?.toString()] ?? d['mealType']?.toString() ?? '';
               final mealIcons = {'Breakfast':'🌅','Lunch':'☀️','Dinner':'🌙','Snack':'🍪'};
               return SwipeDeleteTile(
                 key: Key(d['id']?.toString() ?? '$i'),
-                onDelete: () async {
-                  await ref.read(dietServiceProvider).deleteRecord(d['id']?.toString() ?? '');
-                  _refresh();
-                },
+                onDelete: () => _delete(d['id']?.toString() ?? ''),
                 onTap: () => pushRoute(ref, 'dietDetail', params: {'id': d['id']?.toString() ?? ''}),
                 child: Container(
                   padding: const EdgeInsets.all(14),
@@ -66,8 +70,7 @@ class _DietRecordListPageState extends ConsumerState<DietRecordListPage> {
                 ),
               );
             },
-          );
-        },
+          ),
       ),
     );
   }
@@ -79,8 +82,7 @@ class DietRecordDetailPage extends ConsumerWidget {
   const DietRecordDetailPage({super.key, required this.id});
   @override Widget build(BuildContext context, WidgetRef ref) {
     final service = ref.watch(dietServiceProvider);
-    return Scaffold(
-      backgroundColor: AppTheme.bg,
+    return GradientScaffold(
       appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('饮食详情')),
       body: FutureBuilder<List<Map<String, dynamic>>>(
         future: service.getRecords(),
@@ -143,11 +145,12 @@ class _ExercisePlanPageState extends ConsumerState<ExercisePlanPage> {
   }
 
   @override Widget build(BuildContext context) {
-    return Scaffold(
-      backgroundColor: AppTheme.bg,
+    return GradientScaffold(
       appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('运动计划')),
       floatingActionButton: FloatingActionButton(onPressed: () { pushRoute(ref, 'exerciseCreate'); }, backgroundColor: AppTheme.primary, child: const Icon(Icons.add)),
-      body: FutureBuilder<List<Map<String, dynamic>>>(
+      body: Container(
+        decoration: const BoxDecoration(gradient: AppColors.bgGradient),
+        child: FutureBuilder<List<Map<String, dynamic>>>(
         future: _future,
         builder: (ctx, snap) {
           final plans = snap.data ?? [];
@@ -188,11 +191,10 @@ class _ExercisePlanPageState extends ConsumerState<ExercisePlanPage> {
                   ])),
                   GestureDetector(
                     onTap: hasTodayItem ? () => _checkIn(p['id']?.toString() ?? '', todayItem['id']?.toString() ?? '') : null,
-                    child: AnimatedContainer(
-                      duration: const Duration(milliseconds: 300),
+                    child: Container(
                       width: 40, height: 40,
                       decoration: BoxDecoration(
-                        color: todayDone ? AppColors.successLight : (hasTodayItem ? AppTheme.primaryLight : AppColors.cardInner),
+                        color: todayDone ? AppColors.successLight : AppColors.cardInner,
                         borderRadius: BorderRadius.circular(12),
                       ),
                       child: Icon(todayDone ? Icons.check_circle : Icons.check_circle_outline, size: 28, color: todayDone ? AppTheme.success : AppColors.textHint),
@@ -204,6 +206,7 @@ class _ExercisePlanPageState extends ConsumerState<ExercisePlanPage> {
           });
         },
       ),
+      ),
     );
   }
 }
@@ -235,8 +238,7 @@ class _ExercisePlanCreatePageState extends ConsumerState<ExercisePlanCreatePage>
   }
 
   @override Widget build(BuildContext context) {
-    return Scaffold(
-      backgroundColor: AppTheme.bg,
+    return GradientScaffold(
       appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('新建计划')),
       body: ListView(padding: const EdgeInsets.all(16), children: [
         _field('运动名称', _nameCtrl, hint: '如: 散步、慢跑、太极'),
@@ -256,7 +258,7 @@ class _ExercisePlanCreatePageState extends ConsumerState<ExercisePlanCreatePage>
     return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
       Text(label, style: TextStyle(fontSize: 17, color: AppColors.textSecondary)),
       const SizedBox(height: 6),
-      TextField(controller: ctrl, keyboardType: number ? TextInputType.number : null, decoration: InputDecoration(hintText: hint, filled: true, fillColor: AppColors.backgroundSoft, border: OutlineInputBorder(borderRadius: BorderRadius.circular(AppTheme.rMd), borderSide: BorderSide.none)), style: const TextStyle(fontSize: 19)),
+      TextField(controller: ctrl, keyboardType: number ? TextInputType.number : null, decoration: InputDecoration(hintText: hint, filled: true, fillColor: Colors.white, border: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: BorderSide(color: AppColors.border)), focusedBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: const BorderSide(color: AppColors.primary, width: 1.5))), style: const TextStyle(fontSize: 17)),
     ]);
   }
 
@@ -287,7 +289,7 @@ class _FollowUpListPageState extends ConsumerState<FollowUpListPage> {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return GradientScaffold(
       appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('复查随访'), centerTitle: true),
       body: FutureBuilder<List<Map<String, dynamic>>>(
         future: _future,
@@ -478,14 +480,12 @@ class _HealthArchivePageState extends ConsumerState<HealthArchivePage> {
 
   @override Widget build(BuildContext context) {
     if (_loading) {
-      return Scaffold(
-        backgroundColor: AppColors.background,
+      return GradientScaffold(
         appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('健康档案')),
         body: const Center(child: CircularProgressIndicator(color: AppColors.primary)),
       );
     }
-    return Scaffold(
-      backgroundColor: AppColors.background,
+    return GradientScaffold(
       appBar: AppBar(
         backgroundColor: AppColors.cardBackground,
         title: const Text('健康档案'),
@@ -549,6 +549,7 @@ class _HealthArchivePageState extends ConsumerState<HealthArchivePage> {
       decoration: BoxDecoration(
         color: AppColors.cardBackground,
         borderRadius: BorderRadius.circular(AppTheme.rMd),
+        border: Border.all(color: Color(0xFFC8DDFD), width: 1.5),
         boxShadow: [AppTheme.shadowCard],
       ),
       child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
@@ -556,7 +557,7 @@ class _HealthArchivePageState extends ConsumerState<HealthArchivePage> {
           Container(
             width: 36, height: 36,
             decoration: BoxDecoration(
-              color: AppColors.iconBg,
+              gradient: AppColors.bgGradient,
               borderRadius: BorderRadius.circular(10),
             ),
             child: Icon(icon, size: 20, color: AppColors.primary),
@@ -572,7 +573,7 @@ class _HealthArchivePageState extends ConsumerState<HealthArchivePage> {
 
   Widget _buildField(String label, TextEditingController ctrl, {String? hint}) {
     return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
-      Text(label, style: const TextStyle(fontSize: 14, color: AppColors.textHint)),
+      Text(label, style: const TextStyle(fontSize: 14, color: AppColors.textSecondary)),
       const SizedBox(height: 6),
       TextField(
         controller: ctrl,
@@ -581,18 +582,18 @@ class _HealthArchivePageState extends ConsumerState<HealthArchivePage> {
           hintText: hint,
           hintStyle: const TextStyle(fontSize: 15, color: AppColors.textHint),
           filled: true,
-          fillColor: AppColors.backgroundSoft,
+          fillColor: Colors.white,
           contentPadding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
           border: OutlineInputBorder(
-            borderRadius: BorderRadius.circular(AppTheme.rSm),
-            borderSide: BorderSide.none,
+            borderRadius: BorderRadius.circular(10),
+            borderSide: BorderSide(color: AppColors.border),
           ),
           enabledBorder: OutlineInputBorder(
-            borderRadius: BorderRadius.circular(AppTheme.rSm),
-            borderSide: BorderSide.none,
+            borderRadius: BorderRadius.circular(10),
+            borderSide: BorderSide(color: AppColors.border),
           ),
           focusedBorder: OutlineInputBorder(
-            borderRadius: BorderRadius.circular(AppTheme.rSm),
+            borderRadius: BorderRadius.circular(10),
             borderSide: const BorderSide(color: AppColors.primary, width: 1.5),
           ),
         ),
@@ -634,7 +635,7 @@ class _HealthCalendarPageState extends ConsumerState<HealthCalendarPage> {
   }
 
   @override Widget build(BuildContext context) {
-    return Scaffold(
+    return GradientScaffold(
       appBar: AppBar(leading: IconButton(icon: const Icon(Icons.arrow_back), onPressed: () => popRoute(ref)), title: const Text('健康日历'), centerTitle: true),
       body: Column(children: [
         _buildMonthHeader(),
@@ -847,7 +848,7 @@ class StaticTextPage extends ConsumerWidget {
 © 2025-2026 健康管家团队。保留所有权利。
 本软件受中华人民共和国著作权法保护。''',
     };
-    return Scaffold(
+    return GradientScaffold(
       appBar: AppBar(
         backgroundColor: Colors.white,
         elevation: 0,
@@ -869,8 +870,7 @@ class DeviceManagementPage extends ConsumerWidget {
 
   @override Widget build(BuildContext context, WidgetRef ref) {
     final device = ref.watch(omronDeviceProvider);
-    return Scaffold(
-      backgroundColor: AppColors.background,
+    return GradientScaffold(
       appBar: AppBar(
         backgroundColor: AppColors.cardBackground,
         title: const Text('蓝牙血压计'),