v-model doesn't change object value with vuesax

I'm working with vuesax and came across this problem

In the screenshot

the <vs-switch> get the value of activateLots[activePrompt] at first then doesn't react when it's changed neither change it when clicking and firing toggleActivateLots

things I've tried:

• v-model
• ditched vs-switch and used regular checkbox
• @click
• @change
• Computed property with getter and setter