{# History data-only fragment. Swapped into the hidden #hm-charts-data poller;
   the script runs and feeds the persistent charts created by host_detail.html,
   updating them in place (no canvas swap → no flicker / no re-animation). #}
<script>
  if (window.applyHostSeries) window.applyHostSeries({{ series|tojson }}, {{ range_key|tojson }});
</script>