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/OutOfService.cs

@@ -0,0 +1,46 @@
+using System;
+using Wizard.ErrorDialog;
+
+namespace Wizard;
+
+public static class OutOfService
+{
+	private static readonly DateTime RefundEndTime = new DateTime(2026, 10, 31, 14, 59, 59, DateTimeKind.Utc);
+
+	public const int ERROR_CODE_OUT_OF_SERVICE = 9999;
+
+	public static void ShowRefundDialog(string refundUrl)
+	{
+		SystemText systemText = Data.SystemText;
+		DialogBase dialogBase = UIManager.GetInstance().CreateDialogClose(isSystem: true);
+		dialogBase.SetSize(DialogBase.Size.M);
+		dialogBase.SetTitleLabel(systemText.Get("System_0070"));
+		dialogBase.SetText(systemText.Get("System_0071"));
+		dialogBase.SetRefund(refundUrl, systemText.Get("System_0072"));
+		dialogBase.SetButtonLayout(DialogBase.ButtonLayout.CloseBtn);
+		dialogBase.SetFadeButtonEnabled(flag: false);
+		dialogBase.SetPanelDepth(6000);
+		dialogBase.SetPanelSortingOrder(2);
+		UIManager.GetInstance().WebViewHelper.CloseWebViewDialog();
+	}
+
+	public static bool IsServiceEnded()
+	{
+		return DateTime.UtcNow > RefundEndTime;
+	}
+
+	public static bool ShowServiceEndedDialogIfNeeded()
+	{
+		if (IsServiceEnded())
+		{
+			ShowServiceEndedDialog();
+			return true;
+		}
+		return false;
+	}
+
+	private static void ShowServiceEndedDialog()
+	{
+		Wizard.ErrorDialog.Dialog.Create(9999);
+	}
+}