feat: align iOS client safety and consent experience

health_app/lib/pages/home/home_page.dart

@@ -438,9 +438,9 @@ class _HomePageState extends ConsumerState<HomePage>
       child: Column(
         mainAxisSize: MainAxisSize.min,
         children: [
-          const SizedBox(height: 8),
+          const SizedBox(height: 4),
           _buildAgentBar(),
-          const SizedBox(height: 12),
+          const SizedBox(height: 5),
           if (_pickedImagePath != null) _buildImagePreview(),
           _buildInputBar(),
         ],
@@ -490,13 +490,13 @@ class _HomePageState extends ConsumerState<HomePage>
       chatProvider.select((state) => state.isStreaming),
     );
     return Padding(
-      padding: const EdgeInsets.fromLTRB(12, 0, 12, 10),
+      padding: const EdgeInsets.fromLTRB(12, 0, 12, 6),
       child: Container(
         padding: EdgeInsets.fromLTRB(
           6,
-          elderMode ? 7 : 5,
+          elderMode ? 5 : 3,
           6,
-          elderMode ? 7 : 5,
+          elderMode ? 5 : 3,
         ),
         decoration: BoxDecoration(
           color: Colors.white,
@@ -540,7 +540,7 @@ class _HomePageState extends ConsumerState<HomePage>
               isDense: true,
               contentPadding: EdgeInsets.symmetric(
                 horizontal: 4,
-                vertical: elderMode ? 15 : 12,
+                vertical: elderMode ? 12 : 9,
               ),
               border: InputBorder.none,
               enabledBorder: InputBorder.none,
@@ -971,7 +971,7 @@ class _VoiceHoldSurface extends StatelessWidget {
     return Container(
       padding: EdgeInsets.symmetric(
         horizontal: 4,
-        vertical: elderMode ? 14 : 11,
+        vertical: elderMode ? 12 : 9,
       ),
       alignment: Alignment.center,
       child: Text(

health_app/lib/pages/home/widgets/chat_messages_view.dart

@@ -1276,7 +1276,6 @@ class ChatMessagesView extends ConsumerWidget {
   /// 处理 AI 回复里的 markdown 链接点击：
   /// - app://diet → 触发拍照/相册选择，跳到饮食拍照流程
   /// - app://report → 跳到报告列表（用户可在那里上传新报告）
-  /// - app://device → 跳到蓝牙设备页
   /// - 其他 app://xxx → 当作 route name 直接跳
   static void _handleMarkdownLink(
     BuildContext context,
@@ -1296,8 +1295,7 @@ class ChatMessagesView extends ConsumerWidget {
           pushRoute(ref, 'reports');
           break;
         case 'device':
-          pushRoute(ref, 'devices');
-          break;
+          return;
         default:
           if (uri.host.isNotEmpty) pushRoute(ref, uri.host);
       }
@@ -2199,12 +2197,6 @@ final _agentActions = <ActiveAgent, List<_AgentAction>>{
       isWide: true,
       route: 'trend',
     ),
-    _AgentAction(
-      label: '蓝牙录入',
-      icon: Icons.bluetooth,
-      isWide: true,
-      route: 'devices',
-    ),
   ],
   ActiveAgent.diet: [
     _AgentAction(