Context System: Refactor substate

[ItsJonQ]

This update refactors the ContextSystem to use default React hooks for config/render management rather than Zustand.

[vercel[bot]]

This pull request is being automatically deployed with Vercel (learn more).
To see the status of your deployment, click below or on the icon next to each commit.

🔍 Inspect: https://vercel.com/itsjonq/g2/np8ds919w
✅ Preview: https://g2-git-try-refactor-context-system-substate.itsjonq.vercel.app

[ItsJonQ]

Thanks @saramarcondes !