Set fixed wallpaper for Noctalia via wallpapers.json cache

ansible/roles/profile_desktop_sway/tasks/noctalia.yml

@@ -140,3 +140,19 @@
     - polkit-agent
     - screenshot
     - usb-drive-manager
+
+- name: Ensure Noctalia cache directory exists
+  ansible.builtin.file:
+    path: "{{ user_home }}/.cache/noctalia"
+    state: directory
+    owner: "{{ username }}"
+    group: "{{ user_group }}"
+    mode: "0755"
+
+- name: Deploy Noctalia wallpapers cache
+  ansible.builtin.template:
+    src: wallpapers.json.j2
+    dest: "{{ user_home }}/.cache/noctalia/wallpapers.json"
+    owner: "{{ username }}"
+    group: "{{ user_group }}"
+    mode: "0644"

ansible/roles/profile_desktop_sway/templates/wallpapers.json.j2

@@ -0,0 +1,18 @@
+{
+    "defaultWallpaper": "/etc/xdg/quickshell/noctalia-shell/Assets/Wallpaper/noctalia.png",
+    "usedRandomWallpapers": {},
+    "wallpapers": {
+        "": {
+            "dark": "{{ noctalia_wallpaper }}",
+            "light": "{{ noctalia_wallpaper }}"
+        },
+        "DP-1": {
+            "dark": "{{ noctalia_wallpaper }}",
+            "light": "{{ noctalia_wallpaper }}"
+        },
+        "eDP-1": {
+            "dark": "{{ noctalia_wallpaper }}",
+            "light": "{{ noctalia_wallpaper }}"
+        }
+    }
+}