broken

Runtime/Engine/Code/Services/Development/DevToolsService.cs

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+using System;
+using Cysharp.Threading.Tasks;
+using RebootKit.Engine.Foundation;
+using RebootKit.Engine.Services.Console;
+using UnityEngine;
+
+namespace RebootKit.Engine.Services.Development {
+    static class DebugCVars {
+        public const string k_OverlayMode = "debug.mode";
+    }
+
+    public class DevToolsService : ServiceMonoBehaviour {
+        [SerializeField] DebugOverlayView m_DebugOverlayView;
+
+        [CVar(DebugCVars.k_OverlayMode, 1)] CVar m_OverlayMode;
+
+        IDisposable m_CVarChangedListener;
+
+        void OnEnable() {
+            m_CVarChangedListener = RR.CVarChanged.Listen(OnCVarChanged);
+            OnOverlayModeChanged(m_OverlayMode.IndexValue);
+        }
+
+        void OnDisable() {
+            Dispose();
+        }
+
+        public override void Dispose() {
+            m_CVarChangedListener.Dispose();
+        }
+
+        void OnOverlayModeChanged(int mode) {
+            if (mode == 1) {
+                m_DebugOverlayView.Show(destroyCancellationToken).Forget();
+            } else {
+                m_DebugOverlayView.Hide(destroyCancellationToken).Forget();
+            }
+        }
+
+        void OnCVarChanged(string cvarName, CVarValue value) {
+            if (cvarName == DebugCVars.k_OverlayMode) {
+                OnOverlayModeChanged((int)value.numberValue);
+            }
+        }
+    }
+}