Workflow documentation from export

Good evening,

I have begun experimenting with a tool to read a workflow ZIP file and produce an HTML document with a graph. Graphviz provides tools which seems suitable. I am attaching a sample. There are three options: let Graphviz control the layout, guide Graphviz in the layout process, or reproduce the positions in the original workflow.

Would this be useful?

Thank you.

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ClaudeM