Check out Wayblue, they make some custom universal blue images based off fedora silverblue which includes a hyprland image. I’m running a modified way blue image myself these days and loving it. Technically it’s a secureblue image based on a way blue image but yeah same difference
Was using NixOS but just could not deal with lack of FHS compatibility. Even the workarounds like nix-ld and nix-alien didn’t help with some key scripts I needed to run for secure network verification stuff. So I just migrated to this plus nix/home-manager for my application management