using FreeSql.DataAnnotations;
using F9WebAiTest.Domain.Common;

namespace F9WebAiTest.Domain.Entities;

/// <summary>
/// DDD 实体基类：具有唯一标识与生命周期。
/// 实现 IEntity 以兼容通用仓储（IRepository&lt;T&gt;）。
/// 主键由应用层通过雪花 ID 生成器赋值（非数据库自增）。
/// 参考 BBIT.F9.Domain.Entities.Entity
/// </summary>
public abstract class Entity : IEntity
{
    [Column(IsPrimary = true)]
    public long Id { get; set; }

    [Column(Name = "created_at")]
    public DateTime CreatedAt { get; set; }

    [Column(Name = "updated_at")]
    public DateTime? UpdatedAt { get; set; }

    [Column(Name = "is_deleted")]
    public bool IsDeleted { get; set; }
}