Hey @rahul789jain thanks for all the thoughtful feedback and writeup here.
Dependency between fragments is an interesting concept. Our first goal is to improve the quality and remove the experimental_ prefix on st.fragment. I’m not sure if we will add a feature like this chaining or triggering in the future between fragments but it’s certainly interesting and I can see situations where it would be valuable as you mentioned.
I’m not sure if there’s any technical reason why it couldn’t be possible.
I’d welcome a Github issue tracking this as an enhancement request so we can see the demand in a more systematic way. There’s also a similar proposal here.