javascript:(function(){ const v=document.querySelector('video'); if(!v) return alert('No video element found on this page.'); fetch(v.currentSrc || v.src).then(r=>r.blob()).then(b=>{ const u=URL.createObjectURL(b); const a=document.createElement('a'); a.href=u; a.download='sora2-video.mp4'; a.click(); URL.revokeObjectURL(u); }).catch(e=>alert('Download failed: '+e)); })();