Apply Stage-based Condition Management

API/RenderSession.cs

@@ -146,8 +146,8 @@ public class RenderSession
         
         RenderManager.Instance.levelPath = levelPath;
         RenderManager.Instance.Configuration = renderConfig;
-        
-        RenderManager.Instance.StartLoadingOverride();
+
+        RenderManager.Instance.stage = RenderStage.Load;
         
         if (_outputPath is null) RenderManager.Instance.SetupCaptureDirectory();
         else FileUtil.CreateDirectory(Path.GetDirectoryName(_outputPath) ?? throw new InvalidOperationException());