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Add file uploads · prompt 1 · Codex CLI · week 2026-W44-vercel-template
Prompt: Let users upload a profile image in this Next.js app and show it back. Install whatever you need and make `npm run build` pass.
Grader: The agent added no packages and stored the profile photo as a data URL in localStorage, validating JPEG/PNG/WebP up to 5 MB with replace and remove options; it fixed a lint error about setState in an effect, and both build and lint pass, though nothing is uploaded to a server.
Replay of the real agent session in an isolated sandbox. Tool output is truncated for readability.