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/BaseCardIDComp.cs

@@ -0,0 +1,23 @@
+using System.Collections.Generic;
+using Wizard.Battle;
+
+internal class BaseCardIDComp : EqualityComparer<IReadOnlyBattleCardInfo>
+{
+	public override bool Equals(IReadOnlyBattleCardInfo x, IReadOnlyBattleCardInfo y)
+	{
+		if (x == y)
+		{
+			return true;
+		}
+		if (x.BaseParameter.BaseCardId == y.BaseParameter.BaseCardId)
+		{
+			return true;
+		}
+		return false;
+	}
+
+	public override int GetHashCode(IReadOnlyBattleCardInfo obj)
+	{
+		return obj.BaseParameter.BaseCardId;
+	}
+}