egoSample/faberu: high fetch priority for viewer data

egoSample/faberu.html

@@ -94,13 +94,13 @@ function loadSig(slug){ window.EPDATA=window.EPDATA||{};
   const done=()=>{ SIG=window.EPDATA[slug]; if(!SIG) return; sizeCharts(); drawCharts(); init3D(); loadPack(SIG); updateUI(master.currentTime||0);
     const go=()=>{ if(_toggle&&!playing) _toggle(); }; if(master.readyState>=3) go(); else master.addEventListener('canplay',go,{once:true}); };
   if(window.EPDATA[slug]){ done(); return; }
-  const s=document.createElement('script'); s.src='epdata/'+slug+'.js'; s.onload=done; document.body.appendChild(s); }
+  const s=document.createElement('script'); s.fetchPriority='high'; s.src='epdata/'+slug+'.js'; s.onload=done; document.body.appendChild(s); }
 
 /* heavy viewer payload (lidar snapshots + depth-hover grid): gzip'd binary, fetched after the page is interactive */
 async function loadPack(sig){
   const st=()=>document.getElementById('cloudStat');
   try{
-    const res=await fetch('epdata/'+sig.pack); if(!res.ok) throw new Error('HTTP '+res.status);
+    const res=await fetch('epdata/'+sig.pack,{priority:'high'}); if(!res.ok) throw new Error('HTTP '+res.status);
     const total=+res.headers.get('content-length')||0, rd=res.body.getReader(), parts=[]; let got=0;
     for(;;){ const {done,value}=await rd.read(); if(done) break; parts.push(value); got+=value.length;
       if(st()) st().textContent=`loading point cloud… ${(got/1e6).toFixed(1)}${total?' / '+(total/1e6).toFixed(1):''} MB`; }