I see. I don’t know much about authorized fetch, I’ll have to investigate a bit (I’m able to follow the linked account from mastodon however).
I was able to find greg_channel@flipboard.video on this instance for example, a wild guess was that maybe lemmy expects peertube « communities » to have the « channel » string in the name but it’s unlikely 😂
If you don’t mind the runtime overhead OpenTelemetry would do the job (with maybe some sort of manual instrumentation for things like timers) and builds a service map.
IMO however if your services are closely tied together then how about grouping them together into one or multiple mono-repositories ? Or at least start designing your bounded contexts so that documenting by hand doesn’t become a maintenance burden.