+1. No idea what’s supposed to lead to this conclusion. I’d say that’s a bad PID tune.

Are you comfortable with flashing microcontrollers? https://esphome.io/components/bluetooth_proxy.html might be a solution to your BLE beacon idea. buy any esp32 board for like 5$, put it somewhere in your living room or wherever makes sense and have it proxy BLE scans to HomeAssistant.

I’m on Z2M, mostly because it supports more devices I’d like to use. If ZHA supports everything you have or might want to get in the future, I don’t see a reason to switch.