yep

Shogi.Sockets/Repositories/Dto/BoardStateDto.cs

@@ -0,0 +1,22 @@
+using Shogi.Domain;
+using Shogi.Domain.ValueObjects;
+using System.Collections.ObjectModel;
+
+namespace Shogi.Api.Repositories.Dto;
+
+#pragma warning disable CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
+public class BoardStateDto
+{
+	public ReadOnlyDictionary<string, Piece?> State { get; set; }
+
+	public List<Piece> Player1Hand { get; set; }
+
+	public List<Piece> Player2Hand { get; set; }
+
+	public Move PreviousMove { get; }
+
+	public WhichPlayer WhoseTurn { get; set; }
+	public WhichPlayer? InCheck { get; set; }
+	public bool IsCheckmate { get; set; }
+}
+#pragma warning restore CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.