wallpaper engine

hosts/default.nix

@@ -104,6 +104,7 @@
       "interface.cli"
       "interface.labwc"
       "interface.niri"
+      "interface.wallpaperengine"
       "platform.intel-nvidia-desktop"
       "security.secrets"
       "security.secure-boot"

modules/profiles/README.md

@@ -30,6 +30,7 @@ required on every supported host.
 | `interface.linux-desktop`            | NixOS with Home Manager                       |
 | `interface.labwc`                    | NixOS with Home Manager                       |
 | `interface.niri`                     | NixOS with Home Manager                       |
+| `interface.wallpaperengine`          | NixOS with Home Manager                       |
 | `platform.nixos`                     | NixOS                                         |
 | `platform.desktop`                   | Physical NixOS desktop                        |
 | `platform.intel-nvidia-desktop`      | Intel/NVIDIA physical NixOS desktop           |
@@ -58,6 +59,10 @@ selects labwc. A daily-use macOS development machine can combine
 `interface.macos`, `workload.development`, and `workload.personal`. Hardware
 support does not implicitly select an interface or workload.
 
+`interface.wallpaperengine` is an opt-in Linux desktop appearance profile. It
+enables Wallpaper Engine and disables Noctalia's wallpaper surface, so hosts
+without this profile retain Noctalia's configured wallpaper.
+
 `workload.personal` provides Pear Desktop on both NixOS and macOS. Home Manager
 enables performance improvements, synced lyrics, tracker blocking, the album
 color theme, and custom output-device selection while preserving user-owned

modules/profiles/interface/linux-desktop/home.nix

@@ -4,8 +4,6 @@
     pkgs.playerctl
   ];
 
-  programs.noctalia.settings.wallpaper.enabled = false;
-
   xdg.userDirs = {
     enable = true;
     createDirectories = true;

modules/profiles/interface/linux-desktop/meta.nix

@@ -11,7 +11,6 @@
     "applications.ghostty"
     "applications.gtk"
     "applications.loupe"
-    "applications.linux-wallpaperengine"
     "applications.nautilus"
     "applications.nani"
     "applications.papers"

modules/profiles/interface/wallpaperengine/home.nix

@@ -0,0 +1,3 @@
+{
+  programs.noctalia.settings.wallpaper.enabled = false;
+}

modules/profiles/interface/wallpaperengine/meta.nix

@@ -0,0 +1,7 @@
+{
+  description = "Wallpaper Engine backgrounds for Linux desktop sessions";
+
+  includes = [
+    "applications.linux-wallpaperengine"
+  ];
+}