将Feature/XP.Common和Feature/XP.Hardware分支合并至Develop/XP.forHardwareAndCommon，完善XPapp注册和相关硬件类库通用类库功能。

XP.Common/Database/Models/PaginationRequest.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace XP.Common.Database.Models
+{
+    /// <summary>
+    /// 通用分页请求模型
+    /// </summary>
+    public class PaginationRequest
+    {
+        /// <summary>
+        /// 页码（从1开始）
+        /// </summary>
+        public int PageIndex { get; set; } = 1;
+
+        /// <summary>
+        /// 每页条数
+        /// </summary>
+        public int PageSize { get; set; } = 20;
+
+        /// <summary>
+        /// 排序字段（如：CreateTime DESC）
+        /// </summary>
+        public string OrderBy { get; set; } = string.Empty;
+    }
+}