feat: add dashboard, security-scan, and monitor scripts

scripts/check-security.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+# Security scan: check dependencies and Docker images
+cd "$(dirname "$0")/.."
+echo "--- Running security scan ---"
+echo "Checking npm dependencies..."
+pnpm audit --audit-level=high
+
+echo "Checking outdated images (if any)..."
+docker compose pull --dry-run