{ lib, pkgs }:

let
  npmPackages = [
    "@enact/cli"
    "@webos-tools/cli"
    "@anthropic-ai/claude-code"
    "patch-package"
  ];
in
lib.hm.dag.entryAfter [ "writeBoundary" ] ''
  # Ensure required npm CLI tools are installed in the user prefix.
  NPM_BIN="${pkgs.nodejs}/bin/npm"
  export NPM_CONFIG_PREFIX="$HOME/.npm-packages"
  export PATH="${pkgs.nodejs}/bin:$NPM_CONFIG_PREFIX/bin:$PATH"

  if [[ ! -x "$NPM_BIN" ]]; then
    echo "npm not found; skipping npm CLI installation step"
    exit 0
  fi

  for pkg in ${lib.concatStringsSep " " (map lib.escapeShellArg npmPackages)}; do
    if "$NPM_BIN" list -g --depth=0 "$pkg" >/dev/null 2>&1; then
      echo "npm package already installed: $pkg"
    else
      echo "installing npm package: $pkg"
      "$NPM_BIN" install -g "$pkg"
    fi
  done
''