WIP new top level flakes break down

flakes/common/nix_modules/boot_grub.nix

@@ -0,0 +1,10 @@
+{
+  ...
+}:
+
+{
+  boot.loader.grub = {
+    enable = true;
+    device = "/dev/sda";
+  };
+}

flakes/common/nix_modules/boot_systemd.nix

@@ -0,0 +1,15 @@
+{
+  ...
+}:
+{
+  boot.loader = {
+    systemd-boot = {
+      enable = true;
+      consoleMode = "keep";
+    };
+    timeout = 5;
+    efi = {
+      canTouchEfiVariables = true;
+    };
+  };
+}

flakes/common/nix_modules/de_sway.nix

@@ -0,0 +1,121 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  # Enable for all users via Home Manager fragments in this module
+  home-manager = {
+    sharedModules = [ ./home_manager ];
+  };
+
+  services.greetd = {
+    enable = true;
+    vt = 2;
+    settings = {
+      default_session = {
+        command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time --remember --remember-session --cmd '${pkgs.dbus}/bin/dbus-run-session ${pkgs.sway}/bin/sway'";
+        user = "greeter";
+      };
+    };
+  };
+
+  # Caps Lock as Escape for console/tty and Wayland
+  console.useXkbConfig = true;
+  services.xserver.xkb = {
+    layout = "us";
+    options = "caps:escape";
+  };
+
+  # Core packages and tools
+  environment.systemPackages = with pkgs; [
+    wl-clipboard
+    wl-clip-persist
+    wofi # application launcher
+    nemo # file manager (x11)
+    feh # image viewer (x11)
+    networkmanager
+    upower
+    brightnessctl
+    wireplumber
+    libgtop
+    bluez
+    power-profiles-daemon
+    grim
+    slurp
+    wf-recorder
+    btop
+    pavucontrol
+  ];
+
+  services.blueman.enable = config.hardware.bluetooth.enable;
+
+  programs.sway = {
+    enable = true;
+    wrapperFeatures.gtk = true; # include GTK integration env
+    extraPackages = with pkgs; [
+      xwayland # allow legacy X11 apps
+    ];
+  };
+
+  xdg.portal = {
+    enable = true;
+    extraPortals = lib.mkForce [
+      pkgs.xdg-desktop-portal-wlr
+      pkgs.xdg-desktop-portal-gtk
+    ];
+    config.common.default = [
+      "wlr"
+      "gtk"
+    ];
+  };
+
+  # Enable PipeWire + WirePlumber so xdg-desktop-portal can do screencast
+  services.pipewire = {
+    enable = true;
+    # Enable WirePlumber session manager via the pipewire module option
+    wireplumber = {
+      enable = true;
+    };
+  };
+
+  # Ensure graphics/OpenGL are enabled so Sway uses GPU-backed rendering
+  hardware.graphics = {
+    enable = true;
+    # extraPackages can be used to force vendor-specific mesa/drivers if needed
+    # Keep defaults; Sway runs fine with mesa in system
+    # extraPackages = with pkgs; [];
+  };
+
+  # Environment variables
+  environment.sessionVariables = lib.mkMerge [
+    {
+      GTK_THEME = "Adwaita:dark";
+      XDG_SESSION_TYPE = "wayland";
+      XDG_CURRENT_DESKTOP = "sway";
+      XDG_SESSION_DESKTOP = "sway";
+      # prefer EGL renderer (can be changed back to "auto" if needed)
+      WLR_RENDERER = "egl";
+
+      # Tell apps to run native wayland
+      NIXOS_OZONE_WL = "1";
+      ELECTRON_OZONE_PLATFORM_HINT = "wayland";
+      ELECTRON_ENABLE_WAYLAND = "1";
+      ELECTRON_DISABLE_SANDBOX = "0";
+      GDK_BACKEND = "wayland,x11"; # GTK
+      QT_QPA_PLATFORM = "wayland;xcb"; # Qt 5/6
+      MOZ_ENABLE_WAYLAND = "1"; # Firefox
+      SDL_VIDEODRIVER = "wayland"; # SDL apps/games
+      CLUTTER_BACKEND = "wayland";
+    }
+  ];
+
+  # Qt theming
+  qt = {
+    enable = true;
+    platformTheme = "gtk2";
+    style = "adwaita-dark";
+  };
+}