{# Recursive section renderer. `children_map` maps parent_section_id -> [section,...].
   Roots are passed in by the blueprint; each section embeds its own `checkpoints`
   (from get_plan). Recursion is explicit-argument (no include/context gotcha). #}
{% from "partials/_checkpoint_steps.html" import checkpoint_steps %}
{% macro render_section(section, children_map) %}
<li class="plan-section depth-{{ section.depth }}" id="sec-{{ section.ulid }}">
  <div class="section-head">
    <span class="section-type">{{ section.section_type }}</span>
    <span class="section-heading">{{ section.heading }}</span>
    {% set done = section.checkpoints | selectattr('status', 'equalto', 'done') | list | length %}
    {% set total = section.checkpoints | length %}
    {% if total %}<span class="rollup">{{ done }}/{{ total }}</span>{% endif %}
    {% if section.needs_llm_review %}<span class="badge warn">needs review</span>{% endif %}
    {% if section.section_type == 'uncertain' %}<span class="badge warn">uncertain</span>{% endif %}
  </div>
  {{ checkpoint_steps(section.checkpoints) }}
  {% set kids = children_map.get(section.id, []) %}
  {% if kids %}
  <ul class="section-children">
    {% for child in kids %}{{ render_section(child, children_map) }}{% endfor %}
  </ul>
  {% endif %}
</li>
{% endmacro %}