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/ConvertValue.cs

@@ -0,0 +1,19 @@
+namespace Wizard;
+
+public static class ConvertValue
+{
+	public static int ToInt(object obj)
+	{
+		return int.Parse(obj.ToString());
+	}
+
+	public static long ToLong(object obj)
+	{
+		return long.Parse(obj.ToString());
+	}
+
+	public static bool ToBool(object obj)
+	{
+		return bool.Parse(obj.ToString());
+	}
+}