feat(battle-engine): M1 auto-copy closure (782 battle-logic files)

Compile-driven bulk-copy loop (tools/engine-port/m1_copy_loop.py) pulled the precise reference closure of the battle-core roots, stopping at the classify god-object/View-VFX-UI boundary. 782 files; no re-explosion (M0 had estimated ~order 1000). Residual frontier = 52 shim-classified + 80 external (Unity/BCL) types to author next.

SVSim.BattleEngine/Engine/TokenDrawModifier.cs

@@ -0,0 +1,25 @@
+public class TokenDrawModifier
+{
+	private int _cardId;
+
+	private int _multiplyCount;
+
+	public int CardId => _cardId;
+
+	public int MultiplyCount => _multiplyCount;
+
+	public TokenDrawModifier(int cardId, int multiplyCount)
+	{
+		_cardId = cardId;
+		_multiplyCount = multiplyCount;
+	}
+
+	public bool Equals(TokenDrawModifier modifier)
+	{
+		if (_cardId == modifier.CardId)
+		{
+			return _multiplyCount == modifier._multiplyCount;
+		}
+		return false;
+	}
+}