Meticulous seems to be a word common to both you and the Harb measurement system, and that's a good thing when working boot issues.
I would have been surprised if your injury did not change the alignment of your broken leg, and, it just makes good sense to have this assessment done now that you have returned. Were you close to allignment on your other leg? My understanding is that the new footbed may or may not correct alignment so that you stand perfectly flat: sometimes canting is required and Harb can assess leg allignment via video or on-slope observation. Is this someting you will pursue? In summary, it seems that you wanted new footbeds at the start, and, now the goal is more oriented to being aligned, do I have this right?
Thanks for the update. It's a journey not an event.