I have an openTerm thermostat and using a gateway to connect to it. The temp setpoint can be set by the room-thermostat or by HA. In both cases the actual setpoint can be read from the MQTT message that is send periodically by the gateway. How can I integrate this into the climate control so that the propper set point is displayed on the card.
In other words: I need something like current_set_temperature_topic / _template