You're building other features?
Or you don't believe how quickly it could be done?
Just use github.com/different-ai/embedbase. Full-stack RAG directly from a PDF into some javascript widget window. Ingest a PDF and chat with it in like 2 lines of code. It's almost no work at all.
Your website is (down now but) made with lovable so you're vibe coding this? Or just your landing page?