Implement category tree in sidebar using PHP-generated HTML to avoid Twig recursion issues

templates/partials/sidebar.twig

@@ -1,27 +1 @@
-{% autoescape %}
-{% macro render_node(node) %}
-<li>
-    <span class="category" onclick="toggleCategory(this)">{{ node.name }}</span>
-    {% if node.children %}
-        <ul style="display: none;">
-        {% for child in node.children %}
-            {{ _self.render_node(child) }}
-        {% endfor %}
-        </ul>
-    {% endif %}
-    {% if node.items %}
-        <ul class="items">
-        {% for item in node.items %}
-            <li><a href="#" onclick="editItem({{ item.id }})" class="item-link">{{ item.name }}</a></li>
-        {% endfor %}
-        </ul>
-    {% endif %}
-</li>
-{% endmacro %}
-
-<ul class="category-tree">
-{% for node in category_tree %}
-    {{ _self.render_node(node) }}
-{% endfor %}
-</ul>
-{% endautoescape %}
+{{ sidebar_html|raw }}