{# Out-of-band sidebar refresh: replaces #sidebar (active queue marked) and keeps
   the 3s poll. Sent alongside the panel so the highlight updates with no lag. #}
<aside id="sidebar" hx-swap-oob="morph"
       class="w-72 shrink-0 border-r border-line overflow-y-auto p-3"
       hx-get="{{ url_for('sidebar').path }}" hx-trigger="sse:changed throttle:400ms"
       hx-swap="morph:innerHTML" hx-sync="this:drop">
  {% include "sidebar.html" %}
</aside>