Q&A with Aurora Scharff
summary
Shows how to build accessible custom components and wire them to async flows using React 19 actions and useOptimistic, with a step‑by‑step demo that actually mounts and updates components rather than just diagrams. Implementation uses the Next.js app router with server components but the patterns apply to client apps too. Includes concrete code for optimistic updates, ARIA handling, and the number of requests, failures, and UI states observed during the demo.
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