Water and electricity together are things that I believe need a disconnecting means locally. Not a switch but a push button. I know the gfci and shunt are made, probably cost more than the whole job, if it is even available for the panel.
I will not even get into a pool, spa or tub with line voltage lights when they are on.
I will not even get into a pool, spa or tub with line voltage lights when they are on.