Roon is the best system to integrate and maintain a coherent library of music from various sources and view them in one awesome interface. FLAC, DSF and streaming (Tidal and Qobuz are currently supported). It manages streaming to various output devices at the best resolution (bit rate) that the endpoint supports and will do on the fly bit rate and bit depth conversions seamlessly.
It's hard to explain without getting into the weeds. But this article is a decent primer. Roon is widely regarded in audiophile circles and the premier software to use to manage your music library.
https://www.whathifi.com/advice/roon-everything-you-need-to-know
Here is a 2:30 video from the Roon folks explaining it, according to them. Recently, Roon was acquired by Harman International (Samsung subsidiary) and will likely have a lot more funding and visibility in the future as a result.
https://roon.app/en/how-roon-works