Combining Sonoff T1 and Zigbee2MQTT dimmer ceiling module

Hi,

I have a sonoff T1 (UK) switch in on/off dumb led spots. In the ceiling I have a ZigBee dimmer module that I can control through Zigbee2MQTT to dim the bulbs. I want to combine these two into one entity- I’m thinking an MQTT Light that publishes one/off commands to the sonoff for power but to the dimmer module; for brightness.

Or could I disconnect the switch wire from the sonoff and change the mqtt topic to the dimmer so when the sonoff is pressed/triggered it just turns off the dimmer. But then how do I do brightness???

Dimmer -https://www.amazon.co.uk/gp/product/B07GSK1HVP/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1

Lightswitch - https://sonoff.itead.cc/en/products/residential/sonoff-t1

Below is a manual config for the dimmer module

  - platform: "mqtt"
    name: "Office light"
    state_topic: "zigbee2mqtt/0x00158d00025d7af2"
    availability_topic: "zigbee2mqtt/bridge/state"
    brightness: true
    schema: "json"
    command_topic: "zigbee2mqtt/0x00158d00025d7af2/set"

Thanks

I added both to a light group but i wasn’t happy with the result as this means there are two entities and also there is a big delay to the lights coming on and the sonoff cuts power to the module.

Thanks

Any1 able to help?