{
  # Bootloader configuration
  # This example uses systemd-boot for UEFI systems
  # For BIOS systems, use GRUB instead

  # UEFI boot loader (systemd-boot)
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  # Alternative: GRUB for BIOS systems
  # boot.loader.grub.enable = true;
  # boot.loader.grub.device = "/dev/sda"; # or "nodev" for UEFI
}