Codex skill for development added. Tested by using it to set up Play Palace.

.launch/Play Palace.game

@@ -0,0 +1,18 @@
+check_dependencies uv
+
+# shellcheck disable=SC2154  # installPath is exported by linux-game-manager.sh
+gamePath="${installPath}/PlayPalace11/clients"
+desktopPath="${gamePath}/desktop"
+hostLibDir="${desktopPath}/.host-libs"
+
+if ! [[ -d "${desktopPath}" ]]; then
+    ui_msgbox "Linux Game Manager" "Linux Game Manager" "Play Palace is not installed at ${desktopPath}."
+    exit 1
+fi
+
+if [[ -d "${hostLibDir}" ]]; then
+    export LD_LIBRARY_PATH="${hostLibDir}${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}"
+fi
+
+pushd "${desktopPath}" || exit 1
+uv run python client.py