设备管理模块Entity添加和controller

Model/Entity/Asset/EquipmentStatusRecordEntity.cs

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+using SqlSugar;
+
+namespace Model.Entity.Asset
+{
+    /// <summary>
+    /// 设备台账状态记录（设备状态管理：状态变更历史记录，并可按时间筛选查询）
+    /// </summary>
+    public class EquipmentStatusRecordEntity : BaseEntity
+    {
+        /// <summary>
+        /// 设备Id（关联 EquipmentEntity.Id）
+        /// </summary>
+        public long EquipmentId { get; set; }
+
+        /// <summary>
+        /// 变更前状态
+        /// </summary>
+        public EquipmentStatusEnum FromStatus { get; set; }
+
+        /// <summary>
+        /// 变更后状态
+        /// </summary>
+        public EquipmentStatusEnum ToStatus { get; set; }
+
+        /// <summary>
+        /// 状态变更时间
+        /// </summary>
+        public DateTime ChangeTime { get; set; }
+
+        /// <summary>
+        /// 操作人
+        /// </summary>
+        [SugarColumn(Length = 50)]
+        public string? Operator { get; set; }
+
+        /// <summary>
+        /// 变更原因/备注
+        /// </summary>
+        [SugarColumn(Length = 500)]
+        public string? Remark { get; set; }
+    }
+}