v6.5: Force cache refresh for yt_live.js

static/index_v2.html

@@ -37,7 +37,7 @@ async function init(){_cats=await fetch('/api/categories').then(r=>r.json()).cat
 var SPACE=location.origin;
 </script>
 <script src="/static/app_v2.js"></script>
-<script src="/static/yt_live.js"></script>
+<script src="/static/yt_live.js?v=6"></script>
 <script src="/static/hot_multi.js"></script>
 <script src="/static/wc2026_v2.js"></script>
 <script src="/static/live_mode.js"></script>