Great idea on generalising this beyond just slides - v1.1 is now out with Markdown support :)

This invisible citation comment (<!-- slideops data-src="app/main.py:40-58"...) is added to Markdown documents to help with tracking changes and keeping them it sync with the codebase.

On the topic of generlaising to documents, for a moment I wish I named the skills "DocOps", but that's already a thing: https://www.writethedocs.org/guide/doc-ops/