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/CompetitionBattleFinishTask.cs

@@ -0,0 +1,35 @@
+namespace Wizard;
+
+public class CompetitionBattleFinishTask : FinishTaskBase
+{
+	public CompetitionBattleFinishTask()
+	{
+		if (Data.ArenaData.CompetitionData.IsRankMatching)
+		{
+			base.type = ApiType.Type.CompetitionBattleFinishRankMatch;
+		}
+		else
+		{
+			base.type = ApiType.Type.CompetitionBattleFinish;
+		}
+		Data.CompetitionBattleFinish = null;
+	}
+
+	protected override int Parse()
+	{
+		int num = base.Parse();
+		if (IsEffectiveErrorCode(num))
+		{
+			return num;
+		}
+		Data.CompetitionBattleFinish = new CompetitionBattleFinish();
+		if (!IsResponseDataExist(base.ResponseData))
+		{
+			return num;
+		}
+		CompetitionBattleFinishDetail detailData = Data.CompetitionBattleFinish.DetailData;
+		new BattleFinishResponsProcessing().Processing(base.ResponseData, detailData);
+		detailData.IsChampion = base.ResponseData["data"].GetValueOrDefault("is_champion", defaultValue: false);
+		return num;
+	}
+}