feat(battle-engine): close the AI-simulation subsystem (verbatim)

Copied the 89 uncopied AI*SimulationUtility/extension files defining the
AIVirtualCard/AIVirtualField extension methods; the compile loop then auto-closed
the revealed type deps (~3049 files total, drift-clean). 10.0k -> 62 errors.

SVSim.BattleEngine/Engine/Wizard/GatheringAutoJoinTaskInfo.cs

@@ -0,0 +1,50 @@
+using LitJson;
+
+namespace Wizard;
+
+public class GatheringAutoJoinTaskInfo
+{
+	public BaseRoomBattleEnterRoomTask BaseRoomBattleEnterRoomTask { get; set; }
+
+	public string RoomId { get; private set; }
+
+	public string DisplayRoomId { get; private set; }
+
+	public bool IsOwner { get; private set; }
+
+	public bool NeedsRetry { get; private set; }
+
+	public GatheringInfo GatheringInfo { get; private set; }
+
+	public bool IsEntryRoom { get; private set; }
+
+	public GatheringAutoJoinTaskInfo(JsonData ResponseData, BaseRoomBattleEnterRoomTask baseRoomBattleEnterRoomTask, GatheringInfo gatheringInfo)
+	{
+		GatheringInfo = gatheringInfo;
+		BaseRoomBattleEnterRoomTask = baseRoomBattleEnterRoomTask;
+		if (!ResponseData.TryGetValue("data", out var value))
+		{
+			return;
+		}
+		if (value.TryGetValue("result_reason", out var value2))
+		{
+			NeedsRetry = value2.ToInt() == 12;
+		}
+		if (value.IsObject && value.TryGetValue("is_owner", out var value3))
+		{
+			IsOwner = value3.ToInt() != 0;
+			if (value.TryGetValue("room_id", out var value4))
+			{
+				RoomId = value4.ToString();
+			}
+			if (value.TryGetValue("display_room_id", out var value5))
+			{
+				DisplayRoomId = value5.ToString();
+			}
+			if (value.TryGetValue("oppo_info", out var value6))
+			{
+				IsEntryRoom = value6 != null;
+			}
+		}
+	}
+}