Homekit questions

Two things are bugging me...

a) Mac and iPhone sometimes disagree on the status of devices.

Mac confidently tells me my "Front Lights" are off, but iPhone says "Updating" followed by "No Response".

They are surely getting their information from the same source, so why can't they agree, and which is correct?

b) I can't find any information on whether my AppleTV hub should be "Paused" or not.

Is "Paused" status okay/correct?

Thanks.

P.S. HomeKit doesn't seem to be a category in Support... where should I be posting HomeKit questions?