{#
  _partials/score_decomposition.html — Bundle B's "Why this paper?" panel extracted
  into a reusable partial (Bundle H).

  Required context:
    paper  — dict with keys:
               score_breakdown_json  TEXT (JSON object, e.g. '{"semantic": 0.8, ...}')
               score                 REAL
  The caller is responsible for guarding with:
    {% if show_score_decomp|default(true) and paper.score_breakdown_json %}
#}
{% set breakdown = paper.score_breakdown_json | fromjson %}
<details class="why-panel" open>
  <summary>Why this paper?</summary>
  <table class="score-breakdown-table">
    <thead>
      <tr><th>Signal</th><th>Score</th></tr>
    </thead>
    <tbody>
      {% for signal, score in breakdown.items() %}
      <tr><td>{{ signal }}</td><td>{{ "%.3f" | format(score | float) }}</td></tr>
      {% endfor %}
      <tr class="total-row">
        <td><strong>total</strong></td>
        <td><strong>{{ "%.3f" | format(paper.score or 0 | float) }}</strong></td>
      </tr>
    </tbody>
  </table>
</details>