EAP245 doesn't support neither bridge/wds nor MESH. It's only 802.11k/v, which is not close to bridge mode.

You can have problem with adapting sometimes. Usually I solve it by trying and trying and once it works normally, while sometimes I save backup configuration, and just totally re-install controller...

I think ansible modules exist only for Cisco and Juniper. You can try Expect module to automate. Usually, for access layer switches SNMP is enough.

I think Omada solution is designed for you. EAP225-Outdoor for outdoor, maybe it will cover some indoor, but usually just some EAP225/EAP115 to cover your indoor. You will have roaming, good...

It is still unclear for me, what your requirements are. I do not know, what you want to do. If you want to provide wifi-network for users to several hundreds meters, then it is wrong. If you want...

I would say you choose wrong equipment for your task. CPE/WBS is designed to built point-to-point links (point-to-multipoint) for a long distance. It is not so good to use it for user connection. The...