fix: 欢迎卡片UI优化 + 蓝牙录入按钮 + 多处修复

- 欢迎卡片：去掉白框圆角错位、图片满宽、按钮去箭头改圆角居中
- 渐变actionOutlineGradient改紫蓝双色循环
- 新增健康Agent"蓝牙录入"按钮→蓝牙设备页
- "查看健康情况"改名"健康概览"
- 饮食编辑框删除bug修复(控制器缓存)
- 启动脚本加adb reverse自动转发
- 登录闪屏修复

health_app/lib/widgets/doctor_drawer.dart

@@ -17,7 +17,7 @@ class DoctorDrawer extends ConsumerWidget {
     return Drawer(
       width: MediaQuery.of(context).size.width * 0.8,
       child: Container(
-        color: AppColors.background,
+        decoration: const BoxDecoration(gradient: AppColors.drawerGradient),
         child: SafeArea(
           child: Column(
             children: [
@@ -126,10 +126,10 @@ class _DrawerHeader extends StatelessWidget {
       margin: const EdgeInsets.all(14),
       padding: const EdgeInsets.all(16),
       decoration: BoxDecoration(
-        color: Colors.white,
+        gradient: AppColors.softGlassGradient,
         borderRadius: BorderRadius.circular(20),
-        border: Border.all(color: AppColors.border),
-        boxShadow: AppColors.cardShadowLight,
+        border: Border.all(color: AppColors.borderLight),
+        boxShadow: AppColors.cardShadow,
       ),
       child: InkWell(
         onTap: onTap,
@@ -142,6 +142,7 @@ class _DrawerHeader extends StatelessWidget {
               decoration: BoxDecoration(
                 gradient: AppColors.doctorGradient,
                 borderRadius: BorderRadius.circular(18),
+                boxShadow: AppColors.buttonShadow,
               ),
               child: Icon(icon, color: Colors.white, size: 26),
             ),
@@ -202,7 +203,7 @@ class _DrawerItem extends StatelessWidget {
     return Padding(
       padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 4),
       child: Material(
-        color: selected ? AppColors.primarySoft : Colors.white,
+        color: Colors.transparent,
         borderRadius: BorderRadius.circular(14),
         child: InkWell(
           borderRadius: BorderRadius.circular(14),
@@ -210,14 +211,22 @@ class _DrawerItem extends StatelessWidget {
           child: Container(
             padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
             decoration: BoxDecoration(
+              gradient: selected
+                  ? AppColors.primaryGradient
+                  : AppColors.surfaceGradient,
               borderRadius: BorderRadius.circular(14),
               border: Border.all(
-                color: selected ? AppColors.primaryLight : AppColors.border,
+                color: selected
+                    ? AppColors.primaryLight
+                    : AppColors.borderLight,
               ),
+              boxShadow: selected
+                  ? AppColors.buttonShadow
+                  : AppColors.cardShadowLight,
             ),
             child: Row(
               children: [
-                Icon(icon, size: 20, color: color),
+                Icon(icon, size: 20, color: selected ? Colors.white : color),
                 const SizedBox(width: 12),
                 Expanded(
                   child: Text(
@@ -225,7 +234,7 @@ class _DrawerItem extends StatelessWidget {
                     style: TextStyle(
                       fontSize: 15,
                       fontWeight: FontWeight.w700,
-                      color: color,
+                      color: selected ? Colors.white : color,
                     ),
                   ),
                 ),