{% set x = c.ctx %}
<p class="hint">
  Tones and a breath pacer for a timed headspace sit. The clock is never touched — a sit
  neither earns nor costs lock time, on purpose.
</p>
<table class="lib">
  <thead><tr><th>Score</th><th>Lengths</th><th>Shape</th></tr></thead>
  <tbody>
  {% for slug, s in x.library.items() %}
    <tr>
      <td><strong>{{ s.title }}</strong><br><small class="hint">{{ slug }}</small></td>
      <td>{{ x.lengths.get(slug, [])|join(' · ') }} min</td>
      <td><small class="hint">{{ s.segments|map(attribute='name')|join(' → ') }}</small></td>
    </tr>
  {% endfor %}
  </tbody>
</table>
<p class="hint">
  {% if x.channels_ok %}Left/right check passed — binaural scores are offered.
  {% else %}⚠️ Left/right check not done. Binaural is <em>inert</em> on a single earbud and
  becomes a different stimulus on a speaker, and the browser genuinely cannot tell: a
  single AirPod still reports two channels. The check is three taps on the Trance page.
  {% endif %}
</p>
<p class="hint">
  Scores are code, not rows — there is no score editor and no <code>trance_scores</code>
  table until someone wants to author one in the browser. See
  <a href="/guide/trance">the guide</a>.
</p>