namespace Domain.Entities; public sealed class UserAccount { // PK public Guid UserAccountId { get; set; } // Attributes public string Username { get; set; } = string.Empty; public string FirstName { get; set; } = string.Empty; public string LastName { get; set; } = string.Empty; public string Email { get; set; } = string.Empty; public DateTime DateOfBirth { get; set; } // Audit Fields public DateTime CreatedAt { get; set; } public DateTime? UpdatedAt { get; set; } public byte[]? RowVersion { get; set; } }