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/AIBuffCountUtility.cs

@@ -0,0 +1,69 @@
+using System.Collections.Generic;
+
+namespace Wizard;
+
+public static class AIBuffCountUtility
+{
+	public static int GetBuffCount(AIVirtualCard owner, AIVirtualField field, AISituationInfo situation, List<int> playPtn, List<AIScriptTokenBase> argList)
+	{
+		if (argList.Count < 2)
+		{
+			return 0;
+		}
+		AIScriptTokenArgType argumentType = ((AIScriptArgumentToken)argList[0]).ArgumentType;
+		AIScriptTokenArgType argumentType2 = ((AIScriptArgumentToken)argList[1]).ArgumentType;
+		if (!IsDurationArgLegal(argumentType2) || !IsPositionArgLegal(argumentType))
+		{
+			return 0;
+		}
+		argList.RemoveRange(0, 2);
+		argList.Reverse();
+		if (argumentType == AIScriptTokenArgType.PLAYED)
+		{
+			return GetPlayedBuffCount(owner, field, argList, situation, playPtn, argumentType2);
+		}
+		return 0;
+	}
+
+	private static int GetPlayedBuffCount(AIVirtualCard owner, AIVirtualField field, List<AIScriptTokenBase> filters, AISituationInfo situation, List<int> playPtn, AIScriptTokenArgType duration)
+	{
+		List<AIVirtualCard> list = AIFilteringUtility.MultipleFiltering(field.CardListSet.BothInplayCards, filters, owner, playPtn, situation);
+		if (list == null || list.Count <= 0)
+		{
+			return 0;
+		}
+		int num = 0;
+		for (int i = 0; i < list.Count; i++)
+		{
+			AIVirtualCard aIVirtualCard = list[i];
+			switch (duration)
+			{
+			case AIScriptTokenArgType.TURN:
+				if (aIVirtualCard.BuffRecorderCollection != null)
+				{
+					int turn = (aIVirtualCard.IsAlly ? field.AllyTurnCount : field.EnemyTurnCount);
+					num += aIVirtualCard.BuffRecorderCollection.GetTurnBuffCount(turn, aIVirtualCard.IsSelfTurn);
+				}
+				break;
+			case AIScriptTokenArgType.GAME:
+				num += aIVirtualCard.BuffCount;
+				break;
+			}
+		}
+		return num;
+	}
+
+	private static bool IsDurationArgLegal(AIScriptTokenArgType duration)
+	{
+		if (duration != AIScriptTokenArgType.TURN)
+		{
+			return duration == AIScriptTokenArgType.GAME;
+		}
+		return true;
+	}
+
+	private static bool IsPositionArgLegal(AIScriptTokenArgType position)
+	{
+		return position == AIScriptTokenArgType.PLAYED;
+	}
+}