CheckpointList

<section class="cp-card" aria-labelledby="cpTitle">
  <h2 id="cpTitle" class="cp-title">Execution checkpoints</h2>
  <ul class="cp-list" role="list">
    <li class="cp-item cp-item--done"><span aria-hidden="true">✓</span> Fetch context</li>
    <li class="cp-item cp-item--done"><span aria-hidden="true">✓</span> Draft edits</li>
    <li class="cp-item cp-item--active"><span aria-hidden="true">●</span> Run verification</li>
    <li class="cp-item cp-item--pending"><span aria-hidden="true">○</span> Final response</li>
  </ul>
</section>