新增MES模块，包含供应商、客户、车辆和地磅数据记录管理功能，支持免密接口和数据同步。更新相关控制器、实体、服务和数据库配置，优化权限管理和数据字典支持，确保系统的灵活性和可扩展性。

yy-admin-master/YY.Admin.Services/Service/Vehicle/VehicleSyncCoordinator.cs

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+using Prism.Events;
+using System.Text.Json;
+using YY.Admin.Core;
+using YY.Admin.Core.Events;
+using YY.Admin.Core.Services;
+
+namespace YY.Admin.Services.Service.Vehicle;
+
+/// <summary>
+/// 监听 STOMP 收到的车辆变更信号，转发为桌面端 Prism 事件，触发列表刷新。
+/// </summary>
+public class VehicleSyncCoordinator : ISingletonDependency
+{
+    private readonly IEventAggregator _eventAggregator;
+    private readonly ILoggerService _logger;
+    private SubscriptionToken? _remoteCommandToken;
+    private SubscriptionToken? _networkStatusToken;
+
+    public VehicleSyncCoordinator(IEventAggregator eventAggregator, ILoggerService logger)
+    {
+        _eventAggregator = eventAggregator;
+        _logger = logger;
+        _remoteCommandToken = _eventAggregator
+            .GetEvent<RemoteCommandReceivedEvent>()
+            .Subscribe(OnRemoteCommand, ThreadOption.BackgroundThread);
+        // 断线重连后补拉一次，覆盖离线期间漏掉的 STOMP 事件
+        _networkStatusToken = _eventAggregator
+            .GetEvent<NetworkStatusChangedEvent>()
+            .Subscribe(OnNetworkStatusChanged, ThreadOption.BackgroundThread);
+        _logger.Information("[车辆推送] VehicleSyncCoordinator 已启动，开始监听 RemoteCommandReceivedEvent");
+    }
+
+    private void OnNetworkStatusChanged(NetworkStatusChangedPayload payload)
+    {
+        if (!payload.IsOnline) return;
+        _logger.Information("[车辆推送] 网络恢复，触发补偿刷新");
+        _eventAggregator.GetEvent<VehicleChangedEvent>().Publish(new VehicleChangedPayload { Action = "reconnect" });
+    }
+
+    private void OnRemoteCommand(RemoteCommandPayload payload)
+    {
+        try
+        {
+            var json = payload.CommandJson ?? string.Empty;
+            if (string.IsNullOrWhiteSpace(json))
+            {
+                _logger.Information("[车辆推送] 收到空命令，忽略");
+                return;
+            }
+
+            using var doc = JsonDocument.Parse(json);
+            if (!doc.RootElement.TryGetProperty("cmd", out var cmdEl))
+            {
+                _logger.Information("[车辆推送] 命令无cmd字段，忽略");
+                return;
+            }
+            var cmd = cmdEl.GetString() ?? string.Empty;
+            if (!cmd.Equals("MES_VEHICLE_CHANGED", StringComparison.OrdinalIgnoreCase))
+            {
+                _logger.Information($"[车辆推送] 非车辆命令 cmd={cmd}，忽略");
+                return;
+            }
+
+            doc.RootElement.TryGetProperty("action", out var actionEl);
+            doc.RootElement.TryGetProperty("vehicleId", out var idEl);
+
+            var changedPayload = new VehicleChangedPayload
+            {
+                Action = actionEl.GetString() ?? string.Empty,
+                VehicleId = idEl.ValueKind == JsonValueKind.String ? idEl.GetString() : null,
+            };
+
+            _logger.Information($"收到车辆变更信号: action={changedPayload.Action}, vehicleId={changedPayload.VehicleId}");
+            _eventAggregator.GetEvent<VehicleChangedEvent>().Publish(changedPayload);
+        }
+        catch (Exception ex)
+        {
+            _logger.Warning($"处理 STOMP 车辆变更信号失败: {ex.Message}");
+        }
+    }
+}