Add OnLastUpdate Callback to API

API/RenderSession.cs

@@ -39,6 +39,7 @@ public class RenderSession
     
     private Func<bool>? _endCondition;
     private Action<RenderResult>? _onComplete;
+    private Action? _onLastUpdate;
 
     /// <summary>
     /// Sets whether auto mode is enabled.
@@ -114,6 +115,17 @@ public class RenderSession
         return this;
     }
 
+    /// <summary>
+    /// Adds a callback action to be invoked on the last update of each frame in the render session.
+    /// </summary>
+    /// <param name="callback">The callback action to execute.</param>
+    /// <returns>The current <see cref="RenderSession"/> instance for method chaining.</returns>
+    public RenderSession OnLastUpdate(Action callback)
+    {
+        _onLastUpdate += callback;
+        return this;
+    }
+
     /// <summary>
     /// Applies the configured flags and initiates the render session.
     /// </summary>
@@ -130,6 +142,7 @@ public class RenderSession
         
         if (_endCondition is not null) RenderContext.EndCondition = _endCondition;
         if (_onComplete is not null) RenderContext.OnComplete = _onComplete;
+        if (_onLastUpdate is not null) RenderContext.OnLastUpdate = _onLastUpdate;
         
         RenderManager.Instance.levelPath = levelPath;
         RenderManager.Instance.Configuration = renderConfig;