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/ChatUserInfo.cs

@@ -0,0 +1,51 @@
+using System.Collections.Generic;
+using Cute;
+using LitJson;
+
+namespace Wizard;
+
+public class ChatUserInfo
+{
+	public int ViewerId { get; private set; }
+
+	public string Name { get; private set; }
+
+	public long EmblemId { get; private set; }
+
+	public long DegreeId { get; private set; }
+
+	public ChatUserInfo(JsonData json)
+	{
+		initialize();
+		ParseJsonData(json);
+	}
+
+	public bool IsMyself()
+	{
+		return ViewerId == PlayerStaticData.UserViewerID;
+	}
+
+	public List<string> GetResourcePathList()
+	{
+		List<string> list = new List<string>();
+		list.Add(Toolbox.ResourcesManager.GetAssetTypePath(EmblemId.ToString(), ResourcesManager.AssetLoadPathType.Emblem_M));
+		list.AddRange(DegreeHelper.GetDegreeResourceList(DegreeId, DegreeHelper.DegreeType.SMALL, isFetch: false));
+		return list;
+	}
+
+	private void initialize()
+	{
+		ViewerId = 0;
+		Name = null;
+		EmblemId = 0L;
+		DegreeId = 0L;
+	}
+
+	private void ParseJsonData(JsonData json)
+	{
+		ViewerId = json["viewer_id"].ToInt();
+		Name = json["name"].ToString();
+		EmblemId = json["emblem_id"].ToLong();
+		DegreeId = json["degree_id"].ToLong();
+	}
+}