{# Reusable macro: emit a small "ⓘ" affordance next to a number that opens
   the provenance modal. Caller supplies a MetricRef instance. #}

{% macro provenance_link(ref) -%}
  {%- set encoded = encode_metric_ref(ref) -%}
  <button type="button"
          class="provenance-trigger ml-1 text-label-3 hover:text-text"
          aria-label="Why is this number what it is?"
          hx-get="/provenance/{{ encoded }}"
          hx-target="#provenance-dialog-body"
          hx-swap="innerHTML"
          onclick="document.getElementById('provenance-dialog').showModal()">
    ⓘ
  </button>
{%- endmacro %}