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/ConnectionReporter.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Collections;
+using Cute;
+using UnityEngine;
+
+public class ConnectionReporter
+{
+	private const float DEFAULT_INTERVAL = 10f;
+
+	private Coroutine coroutine;
+
+	private readonly MonoBehaviour runner;
+
+	private readonly Action report;
+
+	private readonly float interval;
+
+	public ConnectionReporter(MonoBehaviour runner, Action report, float interval = 10f)
+	{
+		this.runner = runner;
+		this.report = report;
+		this.interval = interval;
+	}
+
+	public void StopReporter()
+	{
+		if (coroutine != null)
+		{
+			runner.StopCoroutine(coroutine);
+			coroutine = null;
+		}
+	}
+
+	public void StartReporter()
+	{
+		if (coroutine == null && runner != null)
+		{
+			coroutine = runner.StartCoroutine(LoopCoroutine());
+		}
+	}
+
+	private IEnumerator LoopCoroutine()
+	{
+		WaitForSeconds secondWait = new WaitForSeconds(interval);
+		while (true)
+		{
+			report.Call();
+			yield return secondWait;
+		}
+	}
+}