Add install-helper.sh for one-step sudo helper install

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: abizer

support/install-helper.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+# Install the wtop privileged helper daemon.
+# Run with: sudo wtop-helper-install
+set -euo pipefail
+
+HELPER_SRC="$(dirname "$0")/wtop-helper"
+HELPER_DEST="/Library/PrivilegedHelperTools/me.abizer.wtop.helper"
+PLIST_SRC="$(dirname "$0")/../etc/wtop/me.abizer.wtop.helper.plist"
+PLIST_DEST="/Library/LaunchDaemons/me.abizer.wtop.helper.plist"
+
+if [ "$(id -u)" -ne 0 ]; then
+    echo "This script must be run with sudo."
+    exit 1
+fi
+
+mkdir -p /Library/PrivilegedHelperTools
+cp "$HELPER_SRC" "$HELPER_DEST"
+chmod 755 "$HELPER_DEST"
+cp "$PLIST_SRC" "$PLIST_DEST"
+
+launchctl bootout system/me.abizer.wtop.helper 2>/dev/null || true
+launchctl bootstrap system "$PLIST_DEST"
+
+echo "wtop helper installed (on-demand — starts when wtop.app opens)"