{#- The retroactive-log control. Collapsed by default so it never crowds the play
    surface; opens to one datetime-local field named `when`. Empty = now. -#}
{% macro when_field(summary='⏱ not now? log it for earlier', label='When it actually happened') %}
<details class="when">
  <summary>{{ summary }}</summary>
  <label>{{ label }} <input type="datetime-local" name="when" step="60"></label>
  <p class="hint">Local time ({{ tz }}). Leave empty for right now. Anything earlier is marked <b>↶ logged later</b> in the log — the record stays honest about when you told it.</p>
</details>
{% endmacro %}