Set light brightness to maximum 60%

Hi,

My daughter got a whole lot of Action LSC smart lights (Tuya) and I don’t want them to be able to run at 100% because I think that’s unnecessary when running 12 bulbs in a 30m2 room.

I can’t set it in the Smart Life app so I was searching to do it in the HA environment.

What I was searching for is like this, When light in her room is set to >65% rewrite to 65% and when set to <65% use that.

Anyone able to help me out a bit because only option I found was using 12 automations one for each They don’t have to match brightness all the time she can have 65% on one end and near the TV or bed maybe less.

Edit: Lights are integrated through Tuya Local