Fix: guard switchWCTab call with typeof check to prevent JS crash before wc2026_v2.js loads. WC highlights slide now renders correctly on homepage.

static/app_v2.js

@@ -57,7 +57,7 @@ async function loadHome(){
   _wc2026Data = wcData;
 
   // Render WC if data arrived
-  if(wcData) switchWCTab('news');
+  if(wcData && typeof switchWCTab==='function') switchWCTab('news');
 
   // Render sections into the after-wc area
   _renderShortsIn(afterEl);