fix: usar los posts indexados para obtener la diferencia

app/models/site/build_stats.rb

@@ -45,7 +45,7 @@ class Site
       #
       # @return [Boolean]
       def awaiting_publication?
-        updated_at > (build_stats.jekyll.where(status: true).last&.created_at || updated_at)
+        waiting? && updated_at >= (indexed_posts.order(updated_at: :desc).select(:updated_at).first&.updated_at || 1.second.ago)
       end
     end
   end