@GadgetAngel
Have you looked at https://community.openhab.org/t/tuya-switch-control-jinvoo-smart-life/38015/113 ?
It looks like the author @unparagoned does allow some dps control but I’m not 100% sure. See his/her post #113.
The project is here https://github.com/unparagoned/njsTuya
This might be something we could try?