{
  self,
  inputs,
  ...
}: {
  flake.nixosConfigurations.t480 = inputs.nixpkgs.lib.nixosSystem {
    modules = with self.nixosModules; [
      # TODO: still importing by absolute path, so evaluating t480 requires
      # --impure and picks up the hardware file of whatever machine you build
      # from (on shadow, that means shadow's disk UUIDs — wrong but harmless
      # until you actually deploy). Fix by running, ON THE T480 ITSELF:
      #
      #   nix run .#sync-hardware
      #
      # then create modules/hosts/t480/disks.nix (mirroring shadow's) and swap
      # this line for `./_hardware.nix` + `t480Disks`. Cannot be done remotely:
      # the hardware scan has to happen on the target machine.
      /etc/nixos/hardware-configuration.nix
      desktop
      t480Configuration
      # CPU microcode + integrated Intel GPU. The T480 also has an NVIDIA MX150;
      # to enable it in PRIME offload mode, swap gpuIntel for gpuNvidiaPrime
      # (which includes gpuIntel). Left on Intel-only by default to save power.
      cpuIntel
      gpuIntel
      development
      feishin
      obsidian
      discord
      gaming
    ];
  };
}