feat: ✨ 计划作业-上次执行耗时 (#133)

Co-authored-by: tk <fiyne1a@dingtalk.com>

src/backend/NetAdmin.Domain/DbMaps/Sys/Sys_Job.cs

@@ -37,6 +37,13 @@ public record Sys_Job : VersionEntity, IFieldEnabled, IFieldSummary
     [JsonIgnore]
     public virtual string JobName { get; init; }
 
+    /// <summary>
+    ///     上次执行耗时
+    /// </summary>
+    [Column]
+    [JsonIgnore]
+    public virtual long? LastDuration { get; init; }
+
     /// <summary>
     ///     上次执行时间
     /// </summary>