[Feature] Why doesn't VTK.js have a scalpel feature, which seems to be a built-in feature in VTK?

### Motivation

I'm curious about the challenges of implementing Scalpel functionality in a browser, and I'd like to use this as a way to learn VTKJS more deeply.

### Detailed Description

<img width="1175" height="768" alt="Image" src="https://github.com/user-attachments/assets/68d3c56a-8d41-4c34-9325-8153006a8ecb" />