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/SoftwareResetBase.cs

@@ -0,0 +1,48 @@
+using System;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+namespace Cute;
+
+public static class SoftwareResetBase
+{
+	public static bool isSoftwareReset;
+
+	private static Action resetAction;
+
+	public static bool IsSoftwareReset()
+	{
+		return isSoftwareReset;
+	}
+
+	public static void setSoftwareResetAction(Action _action)
+	{
+		resetAction = _action;
+	}
+
+	public static void SoftwareReset(string sceneName, Action _resetAction)
+	{
+		isSoftwareReset = true;
+		if (_resetAction != null)
+		{
+			resetAction = _resetAction;
+		}
+		resetAction.Call();
+		GameObject gameObject = GameObject.Find("OmotePlugin");
+		if (gameObject != null)
+		{
+			UnityEngine.Object.Destroy(gameObject);
+		}
+		Toolbox.BootSystem.VisibleBootCamera(enable: true);
+		GameObject gameObject2 = GameObject.Find("BootCamera");
+		if (gameObject2 != null)
+		{
+			gameObject2.transform.parent = null;
+			UnityEngine.Object.DontDestroyOnLoad(gameObject2);
+			BootSystem.isRootBootCamera = true;
+		}
+		Screen.sleepTimeout = -2;
+		BootApp.BootScene = sceneName;
+		UnityEngine.SceneManagement.SceneManager.LoadScene("_SoftwareReset");
+	}
+}