This sounds reasonable. Thanks for your feedback.
Tentatively marking for 2.4.X (maybe). That said, while the math is easy enough (given a good solve), we would need to figure out how to negate the “fast move” if the mount is moved to another location (slew or nudge) without a solve (I think this is easy, but I am not sure yet…).
Adding this as a note / reference: If scope does not allow sync, just go straight to this mode: