Everything here is my opinion. I do not speak for your employer.
Hey, I finally just figured out why there is no 802.11 "pre-association" feature for normal WPA2-PSK, even though this exists if you're using "WPA2 Enterprise" aka EAP.
It's because the latter might take a long time and so it's worth doing in advance. WPA2-PSK takes about 20ms, so nobody cares. (It takes several seconds to scan all the channels to see who you want to associate with, though.)
Try Tailscale: mesh networking, centralized administration, WireGuard.
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