add: pacman list

configuration.nix

@@ -15,6 +15,8 @@
     ./modules/apps.nix        # User applications
     ./modules/dev.nix         # Docker, dev tools
     ./modules/theming.nix     # Fonts, themes, cursors
+    ./modules/virtualization.nix  # QEMU, KVM, virt-manager
+    ./modules/power.nix       # Power management, CPU governors
   ];
 
   # ═══════════════════════════════════════════════════════════════

modules/apps.nix

@@ -47,11 +47,16 @@
     unrar
 
     # ─────────────────────────────────────────────────────────────
-    # Screenshots
+    # Screenshots & Screen Recording
     # ─────────────────────────────────────────────────────────────
     swappy              # Screenshot annotation tool
     # grim + slurp already in your base config
 
+    # Screen recording
+    obs-studio          # Full-featured streaming/recording suite
+    gpu-screen-recorder # Lightweight GPU-accelerated recorder (AMD/NVIDIA/Intel)
+    kooha               # Simple GNOME-style screen recorder
+
     # ─────────────────────────────────────────────────────────────
     # Security & Passwords
     # ─────────────────────────────────────────────────────────────

modules/audio.nix

@@ -12,6 +12,7 @@
     pwvucontrol         # Modern PipeWire volume control (Qt)
     pavucontrol         # Classic PulseAudio volume control (GTK) - as backup
     helvum              # PipeWire patchbay for routing audio
+    qpwgraph            # PipeWire graph editor (visual audio routing)
 
     # Media player control
     playerctl           # Control media players via D-Bus (for media keys)

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"
+  ];
+}

modules/shell.nix

@@ -0,0 +1,110 @@
+# modules/shell.nix
+# Fish shell configuration with plugins and aliases
+{ config, pkgs, lib, ... }:
+
+{
+  # Enable Fish shell
+  programs.fish = {
+    enable = true;
+
+    # Interactive shell init (equivalent to config.fish)
+    interactiveShellInit = ''
+      # Disable greeting
+      set -g fish_greeting
+
+      # Ghostty shell integration
+      if set -q GHOSTTY_RESOURCES_DIR
+        source "$GHOSTTY_RESOURCES_DIR/shell-integration/fish/vendor_conf.d/ghostty-shell-integration.fish"
+      end
+
+      # Pure prompt configuration
+      set -g pure_show_system_time false
+      set -g pure_enable_single_line_prompt true
+
+      # Key bindings (vi mode optional)
+      # fish_vi_key_bindings
+
+      # Better directory navigation
+      set -g fish_prompt_pwd_dir_length 3
+    '';
+
+    # Shell aliases
+    shellAliases = {
+      # Modern replacements
+      ll = "eza -la --icons --git";
+      ls = "eza --icons";
+      la = "eza -la --icons";
+      lt = "eza --tree --icons --level=2";
+      cat = "bat";
+      find = "fd";
+      grep = "rg";
+      df = "duf";
+      du = "dust";
+      sed = "sd";
+
+      # Docker shortcuts
+      dc = "docker compose";
+      dps = "docker ps";
+      dpa = "docker ps -a";
+      dl = "docker logs -f";
+      dex = "docker exec -it";
+
+      # Git shortcuts
+      gs = "git status";
+      gd = "git diff";
+      gds = "git diff --staged";
+      gl = "git log --oneline -20";
+      glo = "git log --oneline --graph --all";
+      ga = "git add";
+      gc = "git commit";
+      gp = "git push";
+      gpu = "git pull";
+      gco = "git checkout";
+      gb = "git branch";
+      gst = "git stash";
+
+      # NixOS shortcuts
+      rebuild = "sudo nixos-rebuild switch --flake .";
+      rebuild-boot = "sudo nixos-rebuild boot --flake .";
+      rebuild-test = "sudo nixos-rebuild test --flake .";
+      update = "nix flake update";
+      search = "nix search nixpkgs";
+      gc-nix = "sudo nix-collect-garbage -d";
+
+      # System
+      ports = "ss -tulanp";
+      myip = "curl -s ifconfig.me";
+      ".." = "cd ..";
+      "..." = "cd ../..";
+      "...." = "cd ../../..";
+
+      # Safety
+      rm = "rm -i";
+      mv = "mv -i";
+      cp = "cp -i";
+    };
+
+    # Shell abbreviations (expand on space, more flexible than aliases)
+    shellAbbrs = {
+      g = "git";
+      d = "docker";
+      n = "nix";
+      v = "nvim";
+      c = "code";
+      z = "zed";
+    };
+  };
+
+  # Fish plugins (managed by NixOS)
+  environment.systemPackages = with pkgs; [
+    # Fish plugins
+    fishPlugins.pure           # Pure prompt (minimal & fast)
+    fishPlugins.autopair       # Auto-close brackets, quotes
+    fishPlugins.fzf-fish       # Fzf integration for fish
+    fishPlugins.done           # Notification when long command finishes
+    fishPlugins.grc            # Colorize command output
+
+    # Required by aliases
+    dust                       # Better du
+  ];
+}

modules/virtualization.nix

@@ -0,0 +1,62 @@
+# modules/virtualization.nix
+# Virtual machine support: QEMU, KVM, libvirt, virt-manager
+{ config, pkgs, lib, ... }:
+
+{
+  # ═══════════════════════════════════════════════════════════════
+  # LIBVIRT & QEMU
+  # ═══════════════════════════════════════════════════════════════
+  virtualisation.libvirtd = {
+    enable = true;
+
+    # QEMU configuration
+    qemu = {
+      package = pkgs.qemu_kvm;
+
+      # Enable UEFI support for VMs
+      ovmf = {
+        enable = true;
+        packages = [ pkgs.OVMFFull.fd ];
+      };
+
+      # Enable TPM emulation for Windows 11
+      swtpm.enable = true;
+
+      # Run QEMU as non-root for better security
+      runAsRoot = false;
+    };
+  };
+
+  # ═══════════════════════════════════════════════════════════════
+  # SPICE SUPPORT (for better VM display/clipboard/USB)
+  # ═══════════════════════════════════════════════════════════════
+  virtualisation.spiceUSBRedirection.enable = true;
+
+  # ═══════════════════════════════════════════════════════════════
+  # NETWORKING FOR VMS
+  # ═══════════════════════════════════════════════════════════════
+  # Enable default NAT network (virbr0)
+  networking.firewall.trustedInterfaces = [ "virbr0" ];
+
+  # ═══════════════════════════════════════════════════════════════
+  # PACKAGES
+  # ═══════════════════════════════════════════════════════════════
+  environment.systemPackages = with pkgs; [
+    virt-manager        # GUI for managing VMs
+    virt-viewer         # Viewer for VM displays (SPICE/VNC)
+    virtiofsd           # Fast file sharing between host and VM
+    qemu-utils          # QEMU utilities (qemu-img, etc.)
+    spice-gtk           # SPICE client libraries
+  ];
+
+  # ═══════════════════════════════════════════════════════════════
+  # USER PERMISSIONS
+  # ═══════════════════════════════════════════════════════════════
+  users.users.pinj.extraGroups = [ "libvirtd" ];
+
+  # ═══════════════════════════════════════════════════════════════
+  # DCONF SETTINGS FOR VIRT-MANAGER
+  # ═══════════════════════════════════════════════════════════════
+  # Auto-connect to the system QEMU/KVM
+  programs.virt-manager.enable = true;
+}