添加ORM的依赖注入，添加appsettings的gitignore

Service/Interface/Asset/IEquipmentService.cs

@@ -1,10 +1,65 @@
+using Model;
+using Model.Entity.Asset;
+using SqlSugar;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
 namespace Service.Interface
 {
     /// <summary>
-    /// 设备台账 服务接口
+    /// 设备台账服务接口（资产管理）
     /// </summary>
-    public interface IEquipmentService
+    public interface IEquipmentService : IBaseService<EquipmentEntity>
     {
-        // TODO: 定义 设备台账 相关方法
+        /// <summary>
+        /// 分页查询设备台账（支持按关键字、分类、状态筛选）
+        /// </summary>
+        /// <param name="pageIndex">页码（从1开始）</param>
+        /// <param name="pageSize">每页数量</param>
+        /// <param name="total">总页数（输出参数）</param>
+        /// <param name="keyword">关键字（模糊匹配设备编号/名称）</param>
+        /// <param name="categoryId">设备分类Id（0表示不过滤）</param>
+        /// <param name="status">设备状态（null表示不过滤）</param>
+        /// <returns>返回包含分页数据的 Result</returns>
+        Task<Result<List<EquipmentEntity>>> GetPagedAsync(int pageIndex, int pageSize, RefAsync<int> total,
+            string? keyword, long categoryId = 0, EquipmentStatusEnum? status = null);
+
+        /// <summary>
+        /// 根据 Id 获取设备台账详情
+        /// </summary>
+        /// <param name="id">主键 Id</param>
+        /// <returns>返回包含设备详情的 Result</returns>
+        Task<Result<EquipmentEntity>> GetByIdAsync(long id);
+
+        /// <summary>
+        /// 更新设备台账
+        /// </summary>
+        /// <param name="entity">设备实体（必须包含 Id）</param>
+        /// <returns>返回操作是否成功的 Result</returns>
+        Task<Result<bool>> UpdateAsync(EquipmentEntity entity);
+
+        /// <summary>
+        /// 软删除设备台账（置 IsDel = 1）
+        /// </summary>
+        /// <param name="id">主键 Id</param>
+        /// <returns>返回操作是否成功的 Result</returns>
+        Task<Result<bool>> DeleteEquipmentAsync(long id);
+
+        /// <summary>
+        /// 变更设备状态，并记录状态变更历史（事务保证一致性）
+        /// </summary>
+        /// <param name="equipmentId">设备 Id</param>
+        /// <param name="toStatus">目标状态</param>
+        /// <param name="operatorName">操作人</param>
+        /// <param name="remark">变更原因/备注</param>
+        /// <returns>返回操作是否成功的 Result</returns>
+        Task<Result<bool>> ChangeStatusAsync(long equipmentId, EquipmentStatusEnum toStatus, string? operatorName, string? remark);
+
+        /// <summary>
+        /// 查询指定设备的状态变更历史记录（按变更时间倒序）
+        /// </summary>
+        /// <param name="equipmentId">设备 Id</param>
+        /// <returns>返回包含状态记录列表的 Result</returns>
+        Task<Result<List<EquipmentStatusRecordEntity>>> GetStatusRecordsAsync(long equipmentId);
     }
 }