Device Intelligence cho Google Tag Manager

<!-- GTM Custom HTML Tag — production setup -->
<script>
  (function() {
    var script = document.createElement('script');
    // Public key travels in the s.js query string (?k=...)
    script.src = 'https://edge.tracio.ai/s.js?k=your-public-key';
    script.async = true;
    script.onerror = function() {
      dataLayer.push({
        event: 'tracio_error',
        tracio_error_message: 'Failed to load agent script',
      });
    };
    script.onload = function() {
      window.Tracio.load()
      .then(function(tc) { return tc.get(); })
      .then(function(result) {
        dataLayer.push({
          event: 'tracio_loaded',
          visitorId: result.visitorId,
          confidence: result.confidence,
          verdict: result.verdict,
        });
      })
      .catch(function(err) {
        dataLayer.push({
          event: 'tracio_error',
          tracio_error_message: err.message,
        });
      });
    };
    document.head.appendChild(script);
  })();
</script>