新增BZFM物料管理相关后端接口与服务实现

本次提交为BZFM模块新增了物料管理相关的核心后端能力，包括库位、物料、物料分类、出入库记录、出入库类别等6张表的Controller、实体、DTO、Service及接口定义，实现了标准的增删改查接口，支持权限校验、AOP日志、分页查询等，完善了物料管理基础后端支撑。

DOAN.Model/MES/Material/MmMaterialCategory.cs

@@ -0,0 +1,63 @@
+
+namespace DOAN.Model.BZFM
+{
+    /// <summary>
+    /// 物料分类表
+    /// </summary>
+    [SugarTable("mm_material_category")]
+    public class MmMaterialCategory
+    {
+        /// <summary>
+        /// 主键ID 
+        /// </summary>
+        [SugarColumn(IsPrimaryKey = true, IsIdentity = true)]
+        public int Id { get; set; }
+
+        /// <summary>
+        /// 分类编码 
+        /// </summary>
+        [SugarColumn(ColumnName = "category_code")]
+        public string CategoryCode { get; set; }
+
+        /// <summary>
+        /// 分类名称 
+        /// </summary>
+        [SugarColumn(ColumnName = "category_name")]
+        public string CategoryName { get; set; }
+
+        /// <summary>
+        /// 父级分类编码 
+        /// </summary>
+        [SugarColumn(ColumnName = "parent_code")]
+        public string ParentCode { get; set; }
+
+        /// <summary>
+        /// 层级 
+        /// </summary>
+        [SugarColumn(ColumnName = "level_no")]
+        public int? LevelNo { get; set; }
+
+        /// <summary>
+        /// 描述 
+        /// </summary>
+        public string Description { get; set; }
+
+        /// <summary>
+        /// 状态(0/1) 
+        /// </summary>
+        public string Status { get; set; }
+
+        /// <summary>
+        /// 创建时间 
+        /// </summary>
+        [SugarColumn(ColumnName = "created_time")]
+        public DateTime? CreatedTime { get; set; }
+
+        /// <summary>
+        /// 更新时间 
+        /// </summary>
+        [SugarColumn(ColumnName = "updated_time")]
+        public DateTime? UpdatedTime { get; set; }
+
+    }
+}