diff --git a/browser/templates/_types/post/_nav.html b/browser/templates/_types/post/_nav.html
index db8cdc4..750c821 100644
--- a/browser/templates/_types/post/_nav.html
+++ b/browser/templates/_types/post/_nav.html
@@ -1,4 +1,5 @@
 {% import 'macros/links.html' as links %}
+    <!-- WIDGET_NAV_DEBUG: count={{ container_nav_widgets|length if container_nav_widgets is defined else 'UNDEFINED' }} -->
     {# Widget-driven container nav — entries, calendars, markets #}
     {% if container_nav_widgets %}
       <div class="flex flex-col sm:flex-row sm:items-center gap-2 border-r border-stone-200 mr-2 sm:max-w-2xl"