Enabled the Python plugin in the Flatpak build by changing Meson config from -Dwith-python=false to -Dwith-python=python3, so it gets built in the Flatpak app module.

Set Flatpak to prefer Wayland by default by adding --env=GDK_BACKEND=wayland,x11 (while keeping existing Wayland and X11 sockets for compatibility).

flatpak/net.zoite.Zoitechat.json

@@ -7,6 +7,7 @@
   "command": "zoitechat",
   "finish-args": [
     "--share=ipc",
+    "--env=GDK_BACKEND=wayland,x11",
     "--socket=wayland",
     "--socket=fallback-x11",
     "--share=network",
@@ -59,7 +60,7 @@
         "-Dgtk3=true",
         "-Ddbus-service-use-appid=true",
         "-Dwith-perl=false",
-        "-Dwith-python=false",
+        "-Dwith-python=python3",
         "-Dwith-lua=lua"
       ],
       "build-options": {