Fix installer host integration

packaging/install.sh

@@ -1,6 +1,12 @@
 #!/usr/bin/env bash
 set -euo pipefail
 ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+NODE_BIN="$(command -v node || true)"
+if [[ -z "${NODE_BIN}" ]]; then
+  echo "Node.js is required" >&2
+  exit 1
+fi
+command -v zip >/dev/null || { echo "zip is required to register the GNOME extension" >&2; exit 1; }
 APP_DIR="${HOME}/.local/share/jarvis-qvac"
 EXT_DIR="${HOME}/.local/share/gnome-shell/extensions/[email protected]"
 CONFIG_DIR="${HOME}/.config/jarvis"
@@ -12,8 +18,16 @@ if [[ ! -d "${APP_DIR}/node_modules" ]]; then
 fi
 rm -rf "${EXT_DIR}"
 mkdir -p "${EXT_DIR}"
-cp -a "${ROOT_DIR}/apps/gnome-extension/[email protected]/." "${EXT_DIR}/"
-cp "${ROOT_DIR}/packaging/jarvisd.service" "${HOME}/.config/systemd/user/jarvisd.service"
+EXT_ZIP="$(mktemp "${TMPDIR:-/tmp}/jarvis-extension.XXXXXX.zip")"
+cleanup_ext() { rm -f "${EXT_ZIP}"; }
+trap cleanup_ext EXIT
+( cd "${ROOT_DIR}/apps/gnome-extension" && zip -q -r "${EXT_ZIP}" "[email protected]" )
+if command -v gnome-extensions >/dev/null && gnome-extensions install --force "${EXT_ZIP}" >/dev/null 2>&1; then
+  :
+else
+  cp -a "${ROOT_DIR}/apps/gnome-extension/[email protected]/." "${EXT_DIR}/"
+fi
+sed "s#__JARVIS_NODE__#${NODE_BIN}#" "${ROOT_DIR}/packaging/jarvisd.service" > "${HOME}/.config/systemd/user/jarvisd.service"
 if [[ ! -f "${CONFIG_DIR}/qvac.config.json" ]]; then
   sed "s#__JARVIS_CACHE__#${CACHE_DIR}#g" "${ROOT_DIR}/packaging/qvac.config.template.json" > "${CONFIG_DIR}/qvac.config.json"
 fi