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/NullBattlePlayerVfxCreator.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using Wizard.Battle.View.Vfx;
+
+public class NullBattlePlayerVfxCreator : IBattlePlayerVfxCreator
+{
+	public VfxBase CreateUsePp(int pp, int maxPp, Vector3 labelPosition, bool newReplayMoveTurn)
+	{
+		return NullVfx.GetInstance();
+	}
+
+	public VfxBase CreateUseBp(int bp, int deltaBp, Func<Vector3> getPosition, bool isVariableCost, bool isSelf)
+	{
+		return NullVfx.GetInstance();
+	}
+
+	public VfxBase CreateUpdateEp(int evolCount, int evolveWaitTurnCount)
+	{
+		return NullVfx.GetInstance();
+	}
+
+	public VfxBase CreateCardDraw(IEnumerable<BattleCardBase> cards, bool isOpenDrawSkill = false)
+	{
+		return NullVfx.GetInstance();
+	}
+}