diff --git a/app.py b/app.py
index a3e14f1..e59895f 100644
--- a/app.py
+++ b/app.py
@@ -46,6 +46,7 @@ async def blog_context() -> dict:
     ctx["cart_total"] = float(summary.total + summary.calendar_total + summary.ticket_total)
 
     # Pre-fetch cross-app HTML fragments concurrently
+    # (fetch_fragment auto-skips when inside a fragment request to prevent circular deps)
     user = getattr(g, "user", None)
     cart_params = {}
     if ident["user_id"] is not None:
@@ -54,7 +55,6 @@ async def blog_context() -> dict:
         cart_params["session_id"] = ident["session_id"]
 
     auth_params = {"email": user.email} if user else {}
-
     nav_params = {"app_name": "blog", "path": request.path}
 
     cart_mini_html, auth_menu_html, nav_tree_html = await fetch_fragments([
diff --git a/shared b/shared
index 20d3ff8..9ab4b7b 160000
--- a/shared
+++ b/shared
@@ -1 +1 @@
-Subproject commit 20d3ff842516ffd381a60f49a67b556075422fec
+Subproject commit 9ab4b7b3fec5a329d98b6707a3c382ef9b6464c9