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.Core/Core/Services/ISupplierService.cs

@@ -0,0 +1,26 @@
+using YY.Admin.Core.Entity;
+
+namespace YY.Admin.Core.Services;
+
+public interface ISupplierService
+{
+    Task<SupplierPageResult> PageAsync(int pageNo, int pageSize,
+        string? supplierCode = null, string? supplierName = null,
+        string? supplierShortName = null, string? erpCode = null,
+        string? status = null, CancellationToken ct = default);
+
+    Task<MesXslSupplier?> GetByIdAsync(string id, CancellationToken ct = default);
+    Task<bool> AddAsync(MesXslSupplier supplier, CancellationToken ct = default);
+    Task<bool> EditAsync(MesXslSupplier supplier, CancellationToken ct = default);
+    Task<bool> DeleteAsync(string id, CancellationToken ct = default);
+    Task<bool> UpdateStatusAsync(string id, string status, CancellationToken ct = default);
+
+    /// <summary>
+    /// 重连后将离线期间的本地改动推送到后端，并检测冲突。
+    /// </summary>
+    Task<PushPendingResult> PushPendingOnReconnectAsync(CancellationToken ct = default);
+}
+
+public record SupplierPageResult(List<MesXslSupplier> Records, long Total, int PageNo, int PageSize);
+
+public record PushPendingResult(int PushedCount, int ConflictCount, int NewRecordsPushed);