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/PlayerPrefsCache.cs

@@ -0,0 +1,63 @@
+using System.Collections.Generic;
+
+namespace Wizard;
+
+public class PlayerPrefsCache
+{
+	private Dictionary<string, bool> _boolCache = new Dictionary<string, bool>();
+
+	private Dictionary<string, int> _intCache = new Dictionary<string, int>();
+
+	private static PlayerPrefsCache _instance;
+
+	public static PlayerPrefsCache Instance
+	{
+		get
+		{
+			if (_instance == null)
+			{
+				_instance = new PlayerPrefsCache();
+			}
+			return _instance;
+		}
+	}
+
+	public static void OnSoftwareReset()
+	{
+		_instance = null;
+	}
+
+	public int GetValue(KeyValuePair<string, int> id)
+	{
+		if (_intCache.TryGetValue(id.Key, out var value))
+		{
+			return value;
+		}
+		value = PlayerPrefsWrapper.GetValue(id);
+		_intCache.Add(id.Key, value);
+		return value;
+	}
+
+	public void SetValue(KeyValuePair<string, int> id, int value)
+	{
+		PlayerPrefsWrapper.SetValue(id, value);
+		_intCache[id.Key] = value;
+	}
+
+	public bool GetBool(KeyValuePair<string, int> id)
+	{
+		if (_boolCache.TryGetValue(id.Key, out var value))
+		{
+			return value;
+		}
+		value = PlayerPrefsWrapper.GetBool(id);
+		_boolCache.Add(id.Key, value);
+		return value;
+	}
+
+	public void SetBool(KeyValuePair<string, int> id, bool value)
+	{
+		PlayerPrefsWrapper.SetBool(id, value);
+		_boolCache[id.Key] = value;
+	}
+}