Add account-nav-item and account-page fragment handlers (Phase 5)

Events now serves tickets/bookings nav links and page panels as
fragments for the account app.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bp/fragments/routes.py

@@ -94,6 +94,37 @@ def register():
 
     _handlers["container-cards"] = _container_cards_handler
 
+    # --- account-nav-item fragment: tickets + bookings links for account nav -
+
+    async def _account_nav_item_handler():
+        return await render_template("fragments/account_nav_items.html")
+
+    _handlers["account-nav-item"] = _account_nav_item_handler
+
+    # --- account-page fragment: tickets or bookings panel --------------------
+
+    async def _account_page_handler():
+        slug = request.args.get("slug", "")
+        user_id = request.args.get("user_id", type=int)
+        if not user_id:
+            return ""
+
+        if slug == "tickets":
+            tickets = await services.calendar.user_tickets(g.s, user_id=user_id)
+            return await render_template(
+                "fragments/account_page_tickets.html",
+                tickets=tickets,
+            )
+        elif slug == "bookings":
+            bookings = await services.calendar.user_bookings(g.s, user_id=user_id)
+            return await render_template(
+                "fragments/account_page_bookings.html",
+                bookings=bookings,
+            )
+        return ""
+
+    _handlers["account-page"] = _account_page_handler
+
     bp._fragment_handlers = _handlers
 
     return bp