{# WA1: shared rows→table partial. Expects `rows` (list[dict]) in context. #}
{% if not rows %}
  <p class="muted">No matches.</p>
{% else %}
  {# Header = union of all row keys, stable first-seen order. #}
  {% set ns = namespace(keys=[]) %}
  {% for row in rows %}
    {% for k in row.keys() %}
      {% if k not in ns.keys %}{% set ns.keys = ns.keys + [k] %}{% endif %}
    {% endfor %}
  {% endfor %}
  <table class="papers-table">
    <thead>
      <tr>
        {% for k in ns.keys %}<th>{{ k }}</th>{% endfor %}
      </tr>
    </thead>
    <tbody>
      {% for row in rows %}
        <tr>
          {% for k in ns.keys %}
            <td>{% if row.get(k) is not none %}{{ row.get(k) }}{% endif %}</td>
          {% endfor %}
        </tr>
      {% endfor %}
    </tbody>
  </table>
{% endif %}