There is a way for matter onboarding through HA with a bt (le) dongle on the server, and a matter border router (got 3 SMLight POE ones here). Somewhat pressed in time now but I think you can find the link.

Or a hired killer on standby.

Strangely detailled.

Honest answer, why tf would s/o vote this down?

Sometimes the amount of stuff one has to handle is just too much for one person. Get a quote from one or two professionals to be able to judge the situation.

Came here to say this.

I’ve been wondering why this hasn’t become a thing yet. Probably lobbying from all the Verkehrsverbünde.