Fix: thêm rewrite_fix.js script, sửa lỗi openPersonalPostPreview và fallback hashtag

static/index_v2.html

@@ -69,6 +69,7 @@ async function init(){_cats=await fetch('/api/categories').then(r=>r.json()).cat
 var SPACE=location.origin;
 </script>
 <script src="/static/app_v2.js?v=20260722"></script>
+<script src="/static/rewrite_fix.js?v=2"></script>
 <script src="/static/yt_live.js"></script>
 <script src="/static/vtv_init.js"></script>
 <script src="/static/hot_multi.js?v=1"></script>