piyushyadav0191/Full-Stack-Whatsapp-Clone ? reverse-engineered prompt

Build me a WhatsApp style chat app with a clean modern interface and real time messaging.

I want users to be able to sign up, log in, start one to one chats, create group chats, send text messages, share images and documents, and make video calls directly in the browser. It should feel fast and responsive, with chat filtering so people can quickly find the conversations they want.

Please make the messages update live, store users and chat history properly, and keep the app secure. If anything needs current setup details or best practices, look them up online and use sensible defaults. I’d like both the frontend and backend working together so I can run the whole project locally and test it end to end.