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/UtilityDrumrollItem.cs

@@ -0,0 +1,62 @@
+using UnityEngine;
+using Wizard;
+
+[RequireComponent(typeof(UIDragScrollView), typeof(UICenterOnClick), typeof(UIEventListener))]
+[RequireComponent(typeof(BoxCollider))]
+public class UtilityDrumrollItem : MonoBehaviour
+{
+	[SerializeField]
+	private UILabel _childLabel;
+
+	[SerializeField]
+	private UtilityDrumrollItemCustomize _customizeItem;
+
+	private const float COLOR_DIFF_Y = 20f;
+
+	private UIPanel _scrollView;
+
+	private Vector2 _scrollSize = Vector2.zero;
+
+	public int _index { get; private set; }
+
+	public UtilityDrumrollItemCustomize CustomizeItem => _customizeItem;
+
+	public void Init(UIPanel scroll, int index, string text)
+	{
+		_index = index;
+		_childLabel.text = text;
+		_scrollView = scroll;
+		_scrollSize = _scrollView.GetViewSize();
+	}
+
+	private void Update()
+	{
+		if (_childLabel != null)
+		{
+			float num = _scrollView.clipOffset.y - base.gameObject.transform.localPosition.y;
+			float num2 = _scrollSize.y / 2f;
+			float num3 = Mathf.Clamp(Mathf.Abs(num), 0f, num2);
+			float num4 = Mathf.LerpAngle(0f, 90f, num3 * (num3 / num2) / num2);
+			if (num > 0f)
+			{
+				num4 *= -1f;
+			}
+			_childLabel.transform.localEulerAngles = Vector3.right * num4;
+			Color32 color3;
+			if (num3 > 20f)
+			{
+				Color color = (_childLabel.color = LabelDefine.TEXT_COLOR_B0B0B0);
+				color3 = color;
+			}
+			else
+			{
+				Color color = (_childLabel.color = LabelDefine.TEXT_COLOR_NORMAL);
+				color3 = color;
+			}
+			if (_customizeItem != null)
+			{
+				_customizeItem.OnUpdate(num4, color3);
+			}
+		}
+	}
+}