system_profiler SPUSBDataType was silently omitting the deck on some Macs
(watchdog exited early, never restarted anything) and, when it did report,
the trailing bus number in "Location ID: X / N" flapped without an actual
replug — causing spurious restarts. ioreg sees the device reliably and
sessionID changes only on real re-enumeration.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
