refactor: extract date range macro; fix stories.html.twig asset registration

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Vgmzx8VTTTmCskSpQtsLTr

themes/intotheeast/templates/stories.html.twig

@@ -1,6 +1,12 @@
 {% extends 'partials/base.html.twig' %}
 
+{% block map_assets %}
+{% do assets.addCss('theme://css-compiled/map.css') %}
+{% do assets.addJs('theme://js/map.js', {group: 'bottom'}) %}
+{% endblock %}
+
 {% block content %}
+{% import 'macros/date-range.html.twig' as dr_m %}
 {% set stories = page.children.published().order('date', 'asc') %}
 
 {# Collect stories that have coordinates for the mini-map #}
@@ -46,10 +52,7 @@
             {% set hero = story.media[story.header.hero_image] %}
         {% endif %}
 
-        {% set date_str = story.date|date('d M Y') %}
-        {% if story.header.end_date %}
-            {% set date_str = story.date|date('d M') ~ '–' ~ story.header.end_date|date('d M Y') %}
-        {% endif %}
+        {% set date_str = dr_m.format_date_range(story.date, story.header.end_date ?? null) %}
 
         <a class="story-card" id="story-{{ story.slug }}" href="{{ story.url }}">
             {% if hero %}