add: pacman list

modules/power.nix

@@ -0,0 +1,39 @@
+# 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";
+
+  # Enable powertop auto-tune for additional optimizations
+  # (reduces power draw even on desktop when idle)
+  powerManagement.powertop.enable = true;
+
+  # ═══════════════════════════════════════════════════════════════
+  # PACKAGES
+  # ═══════════════════════════════════════════════════════════════
+  environment.systemPackages = with pkgs; [
+    powertop             # Power consumption analyzer
+    power-profiles-daemon # Already enabled as service, CLI tool for control
+  ];
+
+  # ═══════════════════════════════════════════════════════════════
+  # KERNEL PARAMETERS FOR POWER EFFICIENCY
+  # ═══════════════════════════════════════════════════════════════
+  # These help reduce power draw on idle desktop systems
+  boot.kernelParams = [
+    # Enable AMD P-State driver for modern Ryzen CPUs
+    "amd_pstate=active"
+  ];
+}