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Co-Authored-By: Claude <noreply@anthropic.com>

themes/vanilla-js/comment-template.html

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+<!-- Comment Template - Nested comment rendering with unlimited depth -->
+<template id="comment-template">
+  <div class="comment" data-comment-uuid="{{uuid}}" data-depth="{{depth}}" style="margin-left: {{depth * 20}}px">
+    <div class="comment-header">
+      <span class="comment-author">{{author}}</span>
+      <time class="comment-time" datetime="{{timestamp}}">{{formatTimeAgo(timestamp)}}</time>
+      <span class="comment-score" title="Score">↑ {{score}}</span>
+    </div>
+
+    <div class="comment-body">
+      <p class="comment-content">{{renderMarkdown(content)|safe}}</p>
+    </div>
+
+    <div class="comment-footer">
+      <span class="comment-depth-indicator">Depth: {{depth}}</span>
+    </div>
+
+    <!-- Placeholder for nested children -->
+    {{children_section|safe}}
+  </div>
+</template>