# modules/power.nix
# Power management for desktop: CPU governor control, power profiles
{
  config,
  pkgs,
  lib,
  ...
}:

{
  # ═══════════════════════════════════════════════════════════════
  # POWER PROFILES DAEMON
  # ═══════════════════════════════════════════════════════════════
  # Provides power-saver, balanced, and performance profiles
  # Can be switched via CLI or desktop integration
  services.power-profiles-daemon.enable = true;

  # ═══════════════════════════════════════════════════════════════
  # CPU FREQUENCY SCALING
  # ═══════════════════════════════════════════════════════════════
  # Use schedutil for modern AMD CPUs (responds to load dynamically)
  powerManagement.cpuFreqGovernor = "schedutil";

  # ═══════════════════════════════════════════════════════════════
  # PACKAGES
  # ═══════════════════════════════════════════════════════════════
  environment.systemPackages = with pkgs; [
    power-profiles-daemon # Already enabled as service, CLI tool for control
  ];

  # NOTE: Kernel params (amd_pstate) are in configuration.nix
}