Use app_v4.js, remove yt_live_v2.js

static/index_v3.html

@@ -36,8 +36,7 @@ function doShare(title,url,img){const shareUrl=SPACE+'/s?url='+encodeURIComponen
 async function init(){_cats=await fetch('/api/categories').then(r=>r.json()).catch(()=>[]);let bar='<div class="cat active" data-cat="home">🏠</div><div class="cat" data-cat="news-all">📰 Tin tức</div>';_cats.forEach(c=>{bar+=`<div class="cat" data-cat="${c.id}">${c.name}</div>`});document.getElementById('cat-bar').innerHTML=bar;document.querySelectorAll('.cat').forEach(t=>{t.onclick=()=>switchCat(t.dataset.cat)});await loadHome()}
 var SPACE=location.origin;
 </script>
-<script src="/static/app_v3.js?v=1781059323"></script>
-<script src="/static/yt_live_v2.js?v=1781059323"></script>
+<script src="/static/app_v4.js?v=1781060367"></script>
 <script src="/static/hot_multi.js?v=1781059323"></script>
 <script src="/static/wc2026_v2.js?v=1781059323"></script>
 <script src="/static/live_mode.js?v=1781059323"></script>