My MacBook Pro problems had one more episode in store for me: after getting the repaired machine back from Apple, there was a glitch after restoring it from a clone.
I cloned the original SSD to an external drive using Carbon Copy Cloner. When I got the repaired machine back, it was effectively a brand new one, as it had a new logic board with new SSD.
I plugged in the clone drive and used a CMD-R startup to boot from the clone, which worked fine…
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