{# Delivery: what recent packets delivered and how long they took. Built from
   the pipeline ring (collector._delivery_panel), so it describes the last few
   packets, not a lifetime. Replaces the old Tokens panel; the lifetime token
   count stays as one small line. #}

<section class="panel panel--delivery">
  <h2 class="panel-title">
    Delivery
    {% if state.delivery %}
      <span class="panel-count-muted">last {{ state.delivery.samples }} packet{{ '' if state.delivery.samples == 1 else 's' }}</span>
    {% endif %}
  </h2>

  {% if not state.delivery %}
    <p class="muted">No packets yet. Send a query through <code>/context</code> to fill this in.</p>
  {% else %}
    <dl class="panel-kv">
      <dt>Chunks per packet</dt>
      <dd>
        {% if state.delivery.chunks %}
          {{ "{:,}".format(state.delivery.chunks.last) }}
          <span class="muted">last / {{ state.delivery.chunks.avg }} avg</span>
        {% else %}<span class="muted">not reported by this engine</span>{% endif %}
      </dd>
      <dt>Characters per packet</dt>
      <dd>
        {% if state.delivery.chars %}
          {{ "{:,}".format(state.delivery.chars.last) }}
          <span class="muted">last / {{ "{:,.0f}".format(state.delivery.chars.avg) }} avg</span>
        {% else %}<span class="muted">not reported by this engine</span>{% endif %}
      </dd>
      <dt>Packet latency</dt>
      <dd title="Retrieval plus assembly; excludes work done after the answer is built">
        {{ state.delivery.latency_ms.last }} ms
        <span class="muted">last / {{ state.delivery.latency_ms.avg }} avg / {{ state.delivery.latency_ms.p95 }} p95</span>
      </dd>
    </dl>
  {% endif %}

  {% if state.tokens %}
    <p class="muted delivery-lifetime">
      Lifetime tokens {{ "{:,}".format(state.tokens.lifetime.total) }}
      {% if state.tokens.lifetime.estimated > 0 %}
        ({{ "{:,}".format(state.tokens.lifetime.exact) }} exact + {{ "{:,}".format(state.tokens.lifetime.estimated) }} estimated)
      {% endif %}
    </p>
  {% endif %}
</section>