What we do at our co is run a Hugo plugin which, when an SVG is embedded in the document, provides an _Edit in https://app.diagrams.net/_ https://app.diagrams.n

What we do at our co is run a Hugo plugin which, when an SVG is embedded in the document, provides an _Edit in https://app.diagrams.net/_ https://app.diagrams.net/_ link for that SVG. IMO, this was the missing piece for us when it came to keeping diagrams up to date.