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/LeaderSkinUpdateTask.cs

@@ -0,0 +1,63 @@
+using LitJson;
+
+namespace Wizard;
+
+public class LeaderSkinUpdateTask : BaseTask
+{
+	public class LeaderSkinUpdateTaskParam : BaseParam
+	{
+		public int class_id;
+
+		public int leader_skin_id;
+
+		public bool is_random_leader_skin;
+
+		public int[] leader_skin_id_list;
+	}
+
+	private LeaderSkinUpdateTaskParam _param;
+
+	public LeaderSkinUpdateTask()
+	{
+		base.type = ApiType.Type.LeaderSkinUpdate;
+		_param = null;
+	}
+
+	public void SetParameter(int class_id, int leader_skin_id)
+	{
+		_param = new LeaderSkinUpdateTaskParam();
+		_param.class_id = class_id;
+		_param.leader_skin_id = leader_skin_id;
+		_param.is_random_leader_skin = false;
+		base.Params = _param;
+	}
+
+	public void SetRandomParameter(int class_id, int[] leader_skin_id_list)
+	{
+		_param = new LeaderSkinUpdateTaskParam();
+		_param.class_id = class_id;
+		_param.leader_skin_id_list = leader_skin_id_list;
+		_param.is_random_leader_skin = true;
+		base.Params = _param;
+	}
+
+	protected override int Parse()
+	{
+		int num = base.Parse();
+		if (num != 1)
+		{
+			return num;
+		}
+		DataMgr dataMgr = GameMgr.GetIns().GetDataMgr();
+		ClassCharaPrm classPrm = dataMgr.GetClassPrm(_param.class_id);
+		JsonData jsonData = base.ResponseData["data"];
+		bool flag = jsonData["is_random_leader_skin"].ToBoolean();
+		int num2 = 0;
+		num2 = ((!flag) ? _param.leader_skin_id : jsonData["leader_skin_id"].ToInt());
+		classPrm.SetLeaderRandomSkinIdList(jsonData["leader_skin_id_list"]);
+		classPrm.IsRandomLeaderSkin = flag;
+		ClassCharacterMasterData charaPrmBySkinId = dataMgr.GetCharaPrmBySkinId(num2);
+		dataMgr.GetClassPrm(_param.class_id).SetCurrentCharaId(charaPrmBySkinId.chara_id);
+		return num;
+	}
+}