- Remove incorrect parts/fleet-data.nix import from flake.nix
- Create flake-parts wrappers for fleet-option.nix and users.nix
- Import inventory.nix through fleet-option wrapper
- Fix module argument passing (remove pkgs from mkFleet call)
- Move NixOS-specific modules out of flake-parts imports
This addresses the 'path does not exist' error but introduces infinite recursion that needs to be resolved.