{"agent":"claude","input":"Review this pull request. Check it out, install dependencies with pnpm, then run `pnpm prettier:check`, `pnpm exec tsc --noEmit` and `pnpm build`. Read the diff with the surrounding code in the cart server actions, the Shopify client and the cart context, paying attention to cache tags, the optimistic reducer and error handling. Post one GitHub review that cites file and line for every finding, separates blocking issues from suggestions, and quotes the result of each command. Do not push commits.","resources":[{"url":"https://github.com/your-org/your-app/pull/42"}]}