kaustubh-d-IITR/nirvana-architect ? reverse-engineered prompt

Build me a web app called Nirvana that helps me turn a rough idea into a clear system design. I want to type in a product idea or use case, then have the app generate an architecture diagram, an interactive system map, and a few useful metrics like complexity, scale, and component counts. Make it feel polished and easy to explore, so I can click around the design and understand how the pieces connect.

Use a React based front end with a FastAPI backend, and wire it up to an LLM powered workflow so the app can create the design automatically from my prompt. I’d like the whole thing to run locally, with a simple developer setup, and the UI should be clean and modern. If you need to check the latest docs for any libraries or APIs, go ahead and look them up online.