refactor(theme): enhance link resolution logic for archives, categories, and tags

templates/tag.html

@@ -10,7 +10,8 @@
           <span th:text="'#' + ${tag.spec.displayName} + '.md'">tag.md</span>
           <a
             class="devcm-editor-tab__close"
-            href="/tags"
+            href="#"
+            th:href="${!#strings.isEmpty(site.routes.tagsUri) ? site.routes.tagsUri : '/tags'}"
             th:aria-label="#{devcm.action.closeTagTab}"
             th:title="#{devcm.action.closeTagTab}"
             >×</a