fix: 修复蓝牙操作BUG

lib/views/layout/widgets/monitoring_bottom_menu.dart

 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:laki_icu_app/models/bo/monitoring_bo.dart';
+import 'package:laki_icu_app/utils/bluetooth/index.dart';
 
 typedef OnMenuItemTap = Function(String menuId);
 
@@ -77,15 +78,57 @@ class MonitoringBottomMenu extends StatelessWidget {
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
-            // 图标
-            Container(
+            StreamBuilder<BluetoothConnectionStatus>(
+              stream: appBluetoothManager.stateStream,
+              initialData: appBluetoothManager.status,
+              builder: (context, snapshot) {
+                final status = snapshot.data;
+                final isActive =
+                    status == BluetoothConnectionStatus.connectedReady ||
+                        status == BluetoothConnectionStatus.active;
+                return SizedBox(
                   width: 167.w,
                   height: 62.h,
+                  child: AnimatedContainer(
+                    duration: const Duration(milliseconds: 180),
+                    padding: EdgeInsets.symmetric(
+                      horizontal: isActive ? 7.w : 0,
+                      vertical: isActive ? 4.h : 0,
+                    ),
+                    decoration: isActive
+                        ? BoxDecoration(
+                            color: const Color(0xFF063D36)
+                                .withValues(alpha: 0.22),
+                            borderRadius: BorderRadius.circular(32.r),
+                            boxShadow: [
+                              BoxShadow(
+                                color: const Color(0xFF39FF88)
+                                    .withValues(alpha: 0.18),
+                                blurRadius: 12.w,
+                                spreadRadius: 1.w,
+                              ),
+                            ],
+                          )
+                        : null,
+                    child: ColorFiltered(
+                      colorFilter: isActive
+                          ? const ColorFilter.mode(
+                              Color(0xFF8DFFCB),
+                              BlendMode.srcATop,
+                            )
+                          : const ColorFilter.mode(
+                              Colors.transparent,
+                              BlendMode.dst,
+                            ),
                       child: Image.asset(
                         item.iconPath,
                         fit: BoxFit.contain,
                       ),
                     ),
+                  ),
+                );
+              },
+            ),
 
           ],
         ),

lib/views/monitoring/index/cubit/monitoring_index_cubit.dart

@@ -435,6 +435,9 @@ class MonitoringIndexCubit extends Cubit<MonitoringIndexState> {
 
     try {
       await _bluetoothManager.connectToDevice(device);
+      if (!_bluetoothManager.isConnected) {
+        throw StateError('蓝牙连接未就绪');
+      }
       await _storageService.saveBoundBluetoothDevice(
         deviceId: device.remoteId,
         deviceName: device.name,
@@ -530,7 +533,11 @@ class MonitoringIndexCubit extends Cubit<MonitoringIndexState> {
         'deviceId=$deviceId isConnected=${_bluetoothManager.isConnected}',
       );
       if (!isClosed) {
-        emit(state.copyWith(bluetoothMessage: '蓝牙设备已自动连接'));
+        emit(state.copyWith(
+          bluetoothMessage: _bluetoothManager.isConnected
+              ? '蓝牙设备已自动连接'
+              : '蓝牙自动连接未就绪，等待重试',
+        ));
       }
     } catch (e) {
       debugPrint(
@@ -893,9 +900,6 @@ class MonitoringIndexCubit extends Cubit<MonitoringIndexState> {
     _mcuReportChangedSub?.cancel();
     _webrtcService.dispose();
     _p2pVideoService.dispose();
-    return Future.wait([
-      _disposeMqttClient(),
-      _bluetoothManager.release(),
-    ]).then((_) => super.close());
+    return _disposeMqttClient().then((_) => super.close());
   }
 }