TanStack Query Setup Manage server state with powerful caching, background updates, and optimistic UI. Core Workflow 1. Install and configure : Set up QueryClient 2. Create queries : Define data fetching hooks 3. Add mutations : Handle data modifications 4. Enable caching : Configure stale times 5. Implement optimistic updates : Instant UI feedback 6. Add infinite queries : Pagination and infinite scroll Installation Provider Setup Next.js App Router Basic Queries Simple Query Query with Parameters Query with Filters Mutations Basic Mutation Update and Delete Optimistic Updates List Update Cr…