Sourjya-Saha/Metamark ? reverse-engineered prompt

Build me a working web app called MetaMark that checks e commerce product listings for Legal Metrology compliance. I want a dashboard where I can upload a product image and listing details, then get back extracted text like MRP, quantity, manufacturer, origin, expiry, a clear compliance score, and simple explanations for any issues found.

Please make it feel like a real product, with a clean frontend, a backend API, and a report view that shows violations, confidence levels, and suggested fixes. If you can, also include a heatmap or summary screen for repeat violators and compliance trends, plus a basic mock flow for the hardware verification part so the app can show declared versus actual weight or dimensions.

Use sensible sample data if real AI or cloud services are not available, but structure it so it could later connect to OCR and LLM based checks. Make the experience polished and easy to demo, and look up current docs online if you need to.