feat(battle-engine): full Unity/VFX/god-object shims + expanded copy closure (2570 files)

Authored Unity primitive/object-model shim, VFX layer (control-flow-preserving, InstantVfx never invokes its action -- headless suppression), god-object stubs (GameMgr/EffectMgr/UIManager with faithfully-extracted nested enums), View/UI/Touch tree, LitJson+BetterList+Tuple copied, third-party stubs. Discovered Roslyn header-error masking: fixing class-header type errors unmasks body references, so the true copy closure is ~2570 files (was 782 under masking). Errors: masked-25720 -> 268; our shim files compile clean. Remaining: ~50 residual shim/external types, 24 NGUI UI-base overrides, static-type fixes, plus likely 1-2 more unmask waves.

SVSim.BattleEngine/Engine/Cute/TimeData.cs

@@ -0,0 +1,77 @@
+using System;
+using System.Collections;
+using UnityEngine;
+
+namespace Cute;
+
+public class TimeData
+{
+	private long serverTime;
+
+	private long connectClientTime;
+
+	public void Set(long setServerTime)
+	{
+		serverTime = setServerTime;
+		connectClientTime = (long)TimeNativePlugin.GetDeviceOperatingTime();
+	}
+
+	public DateTime GetNowTime()
+	{
+		return TimeUtil.GetNowTime(serverTime, connectClientTime);
+	}
+
+	public DateTime GetNowTime_UTC()
+	{
+		return TimeUtil.GetNowTime_UTC(serverTime, connectClientTime);
+	}
+
+	public float GetTimeLeftLong(long endTime)
+	{
+		return (float)TimeUtil.GetTimeLeft(serverTime, endTime, 0L).millisecond / 1000f;
+	}
+
+	[Obsolete("動作未検証", false)]
+	public IEnumerator StartTimeLeft(MonoBehaviour obj, long endTime, Action<TimeUtil.TimeLeftParam> callback)
+	{
+		IEnumerator enumerator = timeLeftCoroutine(callback, endTime, 0L);
+		obj.StartCoroutine(enumerator);
+		return enumerator;
+	}
+
+	[Obsolete("動作未検証", false)]
+	public IEnumerator StartTimeLeft(MonoBehaviour obj, long endTime, long consumingTime, Action<TimeUtil.TimeLeftParam> callback)
+	{
+		IEnumerator enumerator = timeLeftCoroutine(callback, endTime, consumingTime);
+		obj.StartCoroutine(enumerator);
+		return enumerator;
+	}
+
+	[Obsolete("動作未検証", false)]
+	public string GetNowTimeString()
+	{
+		DateTime nowTime = GetNowTime();
+		return $"{nowTime.Year:D4}-{nowTime.Month:D2}-{nowTime.Day:D2} {nowTime.Hour:D2}:{nowTime.Minute:D2}:{nowTime.Second:D2}";
+	}
+
+	[Obsolete("動作未検証", false)]
+	private TimeUtil.TimeLeftParam GetTimeLeft(long endTime, long consumingTime = 0L)
+	{
+		return TimeUtil.GetTimeLeft(TimeUtil.ToUnixTime(GetNowTime()), endTime, consumingTime);
+	}
+
+	[Obsolete("動作未検証", false)]
+	private IEnumerator timeLeftCoroutine(Action<TimeUtil.TimeLeftParam> callback, long endTime, long consumingTime = 0L)
+	{
+		while (true)
+		{
+			TimeUtil.TimeLeftParam timeLeft = GetTimeLeft(endTime, consumingTime);
+			callback(timeLeft);
+			if (timeLeft.isEnd)
+			{
+				break;
+			}
+			yield return null;
+		}
+	}
+}