namespace After; /// /// DTO carrying an — including its back-reference to the /// owning — to the WebApp. A record: value equality /// keeps round-trip comparisons trivial. /// public sealed record OrderDto { /// Primary key of the underlying order. public Guid Id { get; init; } /// Free-text description of what this order is for. public string Description { get; init; } = string.Empty; /// /// Back-reference to the owning client, or null for a bare order /// that has not been added to any client. /// public ClientDto? ClientDto { get; init; } }