{ pkgs, ... }:
# neogaia — Dell XPS 13 9380 laptop.
#
# The disk layout lives in ./disk.nix (disko); the resulting `fileSystems` are
# derived from it, so none are declared by hand here.
{
  imports = [
    ./hardware-configuration.nix
    ./disk.nix
  ];

  system.stateVersion = "26.05";

  # systemd-boot on the EFI system partition disko creates. The initrd prompts
  # for the LUKS passphrase (disko wires up boot.initrd.luks.devices), so a
  # normal boot unlocks the encrypted root.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  # Kernel is a per-Host choice, expressed through boot.kernelPackages: neogaia
  # runs the CachyOS kernel from chaotic-nyx (fetched from the chaotic binary
  # cache wired in system/, not compiled from source). Other Hosts pick their
  # own kernel the same way, so the choice never leaves the Host.
  boot.kernelPackages = pkgs.linuxPackages_cachyos;

  # Intel CPU microcode updates for the XPS 13's Core i7-8565U.
  hardware.cpu.intel.updateMicrocode = true;

  # Redistributable firmware — carries the ath10k blobs the QCA6174 wifi needs.
  hardware.enableRedistributableFirmware = true;

  # Swap is RAM-backed zram (the zram Module) rather than an on-disk partition,
  # matching the disko layout, which declares no swap partition.
  modules.zram.enable = true;
}