I am using the HADB to bring the Ecobee into Hubitat now vs. Barry's Ecobee Suit Manager which I used forever. The only reason I did this was to get local "occupancy." for when the internet is down and ES couldn't call the API.
Still makes the machine complicated Ecobee-> HomeKit -> Home Assistant -> Hubitat. There can be some lost events that I have seen and just a heads up don't get behind on HA updates and read the notes for each one. I have the HA running in a VM on my Proxmox server.
I have my configuration issues logged in the HADB thread: