完成修复登录缓慢问题-主要接口响应时间决定

完成切换设备机器状态的实时接受和UI实时刷新
完成优化tcp重连的体检，手动切换设备或自动断开后重连的区分

lib/features/home/presentation/pages/running_status_page.dart

@@ -878,7 +878,19 @@ class _RunningStatusPageState extends State<RunningStatusPage> {
           SliverToBoxAdapter(
             child: BlocBuilder<DeviceStatusBloc, DeviceStatusState>(
               builder: (context, state) {
+                debugPrint('🎨 [UI-Build] BlocBuilder 重建！当前状态类型：${state.runtimeType}');
+
+
+                // 检测到设备切换（状态重置）时，清空图表历史数据
+                if (state is DeviceStatusInitial) {
+                  debugPrint('🧹 [UI] 检测到 Initial 状态，准备重置图表数据');
+                  WidgetsBinding.instance.addPostFrameCallback((_) {
+                    _resetChartData();
+                  });
+                }
+
                 if (state is DeviceStatusUpdated) {
+                  debugPrint('📈 [UI] 检测到 Updated 状态，准备追加图表数据');
                   _appendChartData(state);
                 }
                 return Container(margin: const EdgeInsets.all(8), child: _isCardView ? _buildCardContentView(state) : _buildChartContentView(state));
@@ -889,6 +901,8 @@ class _RunningStatusPageState extends State<RunningStatusPage> {
       ),
     );
   }
+
+  void _resetChartData() {}
 }
 
 // ====================== 带动画的圆形仪表盘 Widget ======================