1 files changed, 93 insertions, 0 deletions
diff --git a/nixos/hosts/opus/default.nix b/nixos/hosts/opus/default.nix
new file mode 100644
index 0000000..4143528
--- /dev/null
+++ b/nixos/hosts/opus/default.nix
@@ -0,0 +1,93 @@
+{ config, pkgs, inputs, ... }:
+
+{
+  imports = [
+    # hardware-configuration.nix stays at the repo root for nixos-generate-config compat
+    ../../hardware-configuration.nix
+
+    # OS-level modules — no binary wrapped, just system concerns
+    ../../modules/system/nix
+    ../../modules/system/boot
+    ../../modules/system/hardware
+    ../../modules/system/locale
+    ../../modules/system/users
+    ../../modules/system/audio
+    ../../modules/system/printing
+    ../../modules/system/network
+    ../../modules/system/services
+
+    # Standalone features (apps with their own binaries)
+    ../../modules/features/niri
+    ../../modules/features/noctalia-greeter
+    ../../modules/features/noctalia-shell
+    ../../modules/features/nvidia
+    ../../modules/features/appimage
+    ../../modules/features/mpd
+    ../../modules/features/swingmusic
+    ../../modules/features/starship
+    ../../modules/features/monitoring
+    ../../modules/features/terminals
+    ../../modules/features/cli-tools
+    ../../modules/features/binary-compat
+    ../../modules/features/editors
+    ../../modules/features/file-managers
+    ../../modules/features/wayland-tools
+    ../../modules/features/audio-tools
+    ../../modules/features/gst-codecs
+    ../../modules/features/fonts
+    ../../modules/features/desktop-apps
+    ../../modules/features/dev-tools
+  ];
+
+  # ────────────────────────────────────────────────────────────────────────
+  # Desktop composition (was attrs/desktop)
+  # Inline because this host is the only one using the full desktop stack.
+  # ────────────────────────────────────────────────────────────────────────
+  qt = {
+    enable = true;
+    platformTheme = "qt5ct";
+    style = "breeze";
+  };
+
+  xdg.portal = {
+    enable = true;
+    extraPortals = [
+      pkgs.xdg-desktop-portal-gnome
+      pkgs.xdg-desktop-portal-gtk
+    ];
+  };
+
+  environment.sessionVariables = {
+    SHELL = "${pkgs.fish}/bin/fish";
+    XCURSOR_THEME = "Bibata-Modern-Ice";
+    XCURSOR_SIZE = "20";
+    CC = "clang";
+    ELECTRON_OZONE_PLATFORM_HINT = "auto";
+    GSK_RENDERER = "ngl";
+    QT_QPA_PLATFORM = "wayland;xcb";
+    QT_ENABLE_HIGHDPI_SCALING = "1";
+    QT_AUTO_SCREEN_SCALE_FACTOR = "1";
+    QT_SCREEN_SCALE_FACTORS = "1.5";
+  };
+
+  # ────────────────────────────────────────────────────────────────────────
+  # Gaming composition (was attrs/gaming)
+  # ────────────────────────────────────────────────────────────────────────
+  programs.steam = {
+    enable = true;
+    remotePlay.openFirewall = true;
+    dedicatedServer.openFirewall = true;
+  };
+
+  programs.throne = {
+    enable = true;
+    tunMode.enable = true;
+  };
+
+  environment.systemPackages = with pkgs; [
+    pkgs.lutris
+    pkgs.prismlauncher
+  ];
+
+  system.stateVersion = "26.05";
+}