Sounds like a job for tin foil or parchment paper

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379. MS Access

I 3D print a “missile switch cover” type of . It makes it possible to flip the switch easy enough, but prevents turning it off by muscle memory.

I haven’t done this before, but I see that NUT can run an SNMP server and present itself as a UPS, basically passing through the info from USB to SNMP. I’d probably go that way, then configure the Synology to query SNMP and shut itself down automatically.

I seem to remember that the Honeywell T6 Pro Z-Wave comes up a lot when this question is asked. I’m not running Z-wave yet, though, so I can’t comment.