{"agent":"codex","input":"A Vercel deployment of this React app failed; the deployment event follows this prompt. Use the Vercel connection to read that deployment's build log and quote the failing line. Install with yarn as vercel.json says, reproduce the failure with yarn build in the sandbox, fix the cause in whichever workspace package it is in, confirm the build writes the output directory vercel.json names, run yarn test:typecheck, yarn test:code and yarn test:app --watch=false, and open a pull request that quotes the failing log line and explains the fix.","resources":[{"url":"https://github.com/your-org/your-app"}]}