// Use a simplified approach with just a Set for tracking
  const processedEvents = new Set();

  // Listen for events from PartyTown
  window.addEventListener("gtm-forward", function (e) {
    const payload = e.detail;

    // Only process events from PartyTown that are marked as forwarded
    if (payload && payload._forwarded) {
      try {
        // Only forward native GTM events (those with an event property starting with 'gtm.')
        // Skip custom events as they're already being added to the dataLayer
        if (payload.event && payload.event.startsWith('gtm.')) {
          // Create an event identifier to avoid duplicates
          const eventId = JSON.stringify(payload);

          // Only process if we haven't seen this event before
          if (!processedEvents.has(eventId)) {
            // Track that we've seen this event
            processedEvents.add(eventId);

            // Clean up the payload
            const cleanPayload = { ...payload };
            delete cleanPayload._forwarded;

            // Push native GTM event to main thread dataLayer
            window.dataLayer.push(cleanPayload);

            // Prevent memory leaks by limiting Set size
            if (processedEvents.size > 200) {
              processedEvents.clear();
            }
          }
        } else { }
      } catch (e) { }
    }
  });