colibri-hq/colibri ? reverse-engineered prompt

Build me a self hosted web app for managing an ebook library.

I want a clean, beautiful interface where I can upload and organize my ebooks, edit their metadata, group books into collections, and search through my library easily. It should also let me read books in the browser and download them when I want. Make login work with passkeys so I can sign in with things like Face ID, Touch ID, or Windows Hello instead of passwords.

Please keep it simple and polished, something that feels good to use on desktop and mobile. It should be easy to run myself, ideally in a way that works well with Docker or similar deployment options. If you need to look up any current docs or best practices while building it, go ahead and do that. I care most about the core library experience, making it fast, secure, and pleasant to browse.