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/TimerMgr.cs

@@ -0,0 +1,44 @@
+using System.Collections.Generic;
+using System.Linq;
+
+public class TimerMgr
+{
+	private IList<Timer> timerList = new List<Timer>();
+
+	public void Dispose()
+	{
+		timerList.Clear();
+	}
+
+	public void Update()
+	{
+		for (int num = timerList.Count - 1; num >= 0; num--)
+		{
+			Timer timer = timerList[num];
+			timer.Update();
+			if (timer.IsEnd)
+			{
+				timerList.RemoveAt(num);
+			}
+		}
+	}
+
+	public void Add(Timer timer)
+	{
+		timerList.Add(timer);
+	}
+
+	public void Remove(Timer timer)
+	{
+		timerList.Remove(timer);
+	}
+
+	public void Flush()
+	{
+		foreach (Timer item in timerList.OrderBy((Timer x) => x.RemainTimeSec))
+		{
+			item.CallEvent();
+		}
+		timerList.Clear();
+	}
+}