整体调整了功能

FATrace.Model/FileModel/FileImportLog.cs

@@ -0,0 +1,64 @@
+using FreeSql.DataAnnotations;
+using System;
+
+namespace FATrace.Model
+{
+    /// <summary>
+    /// Excel 文件导入日志，用于追踪每次导入结果与行数统计
+    /// </summary>
+    [Table(Name = "FileImportLog")]
+    public class FileImportLog
+    {
+        /// <summary>
+        /// 主键
+        /// </summary>
+        [Column(IsPrimary = true, IsIdentity = true)]
+        public long Id { get; set; }
+
+        /// <summary>
+        /// 文件名（包含时间戳），例如：20251218161818.xlsx
+        /// </summary>
+        [Column(StringLength = 260)]
+        public string? FileName { get; set; }
+
+        /// <summary>
+        /// 源文件完整路径
+        /// </summary>
+        [Column(StringLength = 500)]
+        public string? SourcePath { get; set; }
+
+        /// <summary>
+        /// 归档后完整路径
+        /// </summary>
+        [Column(StringLength = 500)]
+        public string? ArchivePath { get; set; }
+
+        /// <summary>
+        /// 导入开始时间
+        /// </summary>
+        public DateTime StartTime { get; set; }
+
+        /// <summary>
+        /// 导入结束时间
+        /// </summary>
+        public DateTime EndTime { get; set; }
+
+        /// <summary>
+        /// 导入状态：Success / Failed / Partial 等
+        /// </summary>
+        [Column(StringLength = 20)]
+        public string? Status { get; set; }
+
+        /// <summary>
+        /// 错误或摘要信息
+        /// </summary>
+        [Column(StringLength = 1000)]
+        public string? Message { get; set; }
+
+        /// <summary>
+        /// 每个 Sheet 的行数统计摘要，例如：FactoryInbound=100;FactoryOutbound=50
+        /// </summary>
+        [Column(StringLength = 1000)]
+        public string? SheetRowStats { get; set; }
+    }
+}