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Building the Roavelo mobile app, I ended up using TanStack Query and Zustand together for state management. This post covers why I picked that combo, what worked, what didn’t, and some real patterns like Optimistic Updates and payment data validation...

Despite its name and reputation as a "data-fetching library," React Query doesn't actually fetch anything. It's a common misconception that needs clearing up. What React Query Really Is React Query is data-fetching agnostic. It's purely a caching and...
