Add EventBus, SpeedRunManager, and GhostManager; implement ghost recording and playback features

scripts/Events/GhostEventHandler.cs

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+using Godot;
+using Mr.BrickAdventures.Autoloads;
+
+namespace Mr.BrickAdventures.scripts.Events;
+
+[GlobalClass]
+public partial class GhostEventHandler : Node
+{
+    private GhostManager _ghostManager;
+
+    public override void _Ready()
+    {
+        _ghostManager = GetNode<GhostManager>("/root/GhostManager");
+        var eventBus = GetNode<EventBus>("/root/EventBus");
+        
+        eventBus.LevelStarted += OnLevelStarted;
+        eventBus.LevelCompleted += OnLevelCompleted;
+    }
+
+    private void OnLevelStarted(int levelIndex, Node currentScene)
+    {
+        GD.Print($"GhostEventHandler: Level {levelIndex} started.");
+        _ghostManager.StartRecording(levelIndex);
+        _ghostManager.SpawnGhostPlayer(levelIndex, currentScene);
+    }
+    
+    private void OnLevelCompleted(int levelIndex, Node currentScene, double completionTime)
+    {
+        _ghostManager.StopRecording(true, completionTime);
+    }
+}

scripts/Events/GhostEventHandler.cs.uid

@@ -0,0 +1 @@
+uid://dkqeys6lsf04v

scripts/Events/SpeedRunEventHandler.cs

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+using Godot;
+using Mr.BrickAdventures.Autoloads;
+
+namespace Mr.BrickAdventures.scripts.Events;
+
+[GlobalClass]
+public partial class SpeedRunEventHandler : Node
+{
+    private SpeedRunManager _speedRunManager;
+
+    public override void _Ready()
+    {
+        _speedRunManager = GetNode<SpeedRunManager>("/root/SpeedRunManager");
+        var eventBus = GetNode<EventBus>("/root/EventBus");
+        
+        eventBus.LevelCompleted += OnLevelCompleted;
+    }
+
+    private void OnLevelCompleted(int levelIndex, Node currentScene, double completionTime)
+    {
+        _speedRunManager.Split();
+    }
+}

scripts/Events/SpeedRunEventHandler.cs.uid

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+uid://bysxvcvt00t04