I dont really know how HTTP Requests work but wouldnt it be possible fo Jerboa to open all Links with an in app Browser and checking for a lemmy flag in this request? I imagine it can be janky if the in app browser first opens a new window and falls right back to the app but if this is possible, there would be no need to have a never complete list since everey instance will have this flag.

Sorry if i wrote nonsense, just an idea