fix(domain-colors): correct domain color assignments across 8 files

- starred.njk: accent -> emerald (Code domain)
- photos.njk: purple -> amber (Writing domain)
- reposts.njk: emerald -> rose (Social domain)
- blog.njk: red/green/sky -> rose (Social domain unified)
- featured.njk: red/green/sky -> rose (Social domain unified)
- digest.njk: accent -> amber (Writing domain)
- digest-index.njk: orange -> amber (Writing domain)
- search widget: primary -> accent (stale token)

Confab-Link: http://localhost:8080/sessions/0ec83454-d346-4329-8aaf-6b12139bf596

reposts.njk

@@ -14,7 +14,7 @@ permalink: "reposts/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNum
     <h1 class="text-2xl sm:text-3xl font-bold text-surface-900 dark:text-surface-100">Reposts</h1>
     {% set sparklineSvg = collections.reposts | postingFrequency %}
     {% if sparklineSvg %}
-    <span class="text-emerald-600 dark:text-emerald-400">{{ sparklineSvg | safe }}</span>
+    <span class="text-rose-600 dark:text-rose-400">{{ sparklineSvg | safe }}</span>
     {% endif %}
   </div>
   <p class="text-surface-600 dark:text-surface-400 mb-6 sm:mb-8">
@@ -39,7 +39,7 @@ permalink: "reposts/{% if pagination.pageNumber > 0 %}page/{{ pagination.pageNum
           </h2>
           {% endif %}
           <div class="post-meta">
-            <time class="dt-published" datetime="{{ post.date | isoDate }}">
+            <time class="dt-published font-mono text-sm" datetime="{{ post.date | isoDate }}">
               {{ post.date | dateDisplay }}
             </time>
             {% if post.data.category %}