Harness Triage Repro Bugs

This is a small Next.js app created with create-next-app. It intentionally contains two bugs so a sandboxed HarnessAgent triage demo can clone the repo, run a failing command, and produce a reproduction report.

Known intentional bugs

1. Cart subtotal ignores line item quantity.

   • Command: pnpm test:pricing
   • Expected: calculateCartSubtotal multiplies unitPrice * quantity.
   • Actual: the function only adds unitPrice.

2. Subscriber email validation accepts malformed addresses.

   • Command: pnpm test:subscribers
   • Expected: reader@ is rejected.
   • Actual: any string containing @ is accepted.

Run both failing checks:

pnpm test

Getting Started

First, run the development server:

npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev

Open http://localhost:3000 with your browser to see the result.

You can start editing the page by modifying src/app/page.tsx. The page auto-updates as you edit the file.

This project uses next/font to automatically optimize and load Geist, a new font family for Vercel.

Learn More

To learn more about Next.js, take a look at the following resources:

• Next.js Documentation - learn about Next.js features and API.
• Learn Next.js - an interactive Next.js tutorial.

You can check out the Next.js GitHub repository - your feedback and contributions are welcome!

Deploy on Vercel

The easiest way to deploy your Next.js app is to use the Vercel Platform from the creators of Next.js.

Check out our Next.js deployment documentation for more details.