Add file uploads · prompt 1 · Claude Code · week 2026-W44-vercel-template

Claude Code built it and installed nothing

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 built file upload with no third-party package, using Next.js route handlers and local disk storage under .data/profile-images, with type sniffing, a 5 MB cap and SVG rejection; build passed with warnings cleared and it was verified via curl on a production server.

Replay of the real agent session in an isolated sandbox. Tool output is truncated for readability.