These can be found in Post 1 of the Tuya Cloud app topic. It’s quite a bit, but when you read and perform all steps to the letter, you should succeed.
The script(s) above can be replaced by using RAW Commands, as mentioned in the same post.
But maybe you can add the TRV’s as ‘thermostat’ device just give it a go.
If not, use the workarounds called tap-to-run scenes (to control devices) and/or the aforementioned workaround RAW Commands (to control devices, and to receive device data, like room temperature)
