Fix doShare to prefer post_id in /s?post_id= for reliable sharing

static/index_v2.html

@@ -35,12 +35,16 @@ function showView(id){document.querySelectorAll('.view').forEach(v=>v.classList.
 function switchCat(id){document.querySelectorAll('.cat').forEach(c=>c.classList.remove('active'));document.querySelector('[data-cat="'+id+'"]')?.classList.add('active');document.querySelectorAll('.view').forEach(v=>v.classList.remove('active'));document.querySelectorAll('video').forEach(v=>{v.pause();if(v._hls){v._hls.destroy();v._hls=null}});document.querySelectorAll('iframe[data-yt-src]').forEach(f=>{f.src=''});if(id==='home')document.getElementById('view-home').classList.add('active');else if(id==='news-all'){document.getElementById('view-cat').classList.add('active');loadNewsTab()}else{document.getElementById('view-cat').classList.add('active');loadCat(id)}}
 function toast(msg){let t=document.getElementById('progress-toast');if(t){t.textContent=msg;t.style.display='block';setTimeout(()=>{t.style.display='none'},3500)}}
 function doShare(title,url,img,postId){
-    // Create SEO-friendly URL with slug
-    const slug = title.toLowerCase()
+    var shareUrl;
+    if(postId){
+      shareUrl = SPACE+'/s?post_id='+encodeURIComponent(postId)+'&title='+encodeURIComponent(title);
+    } else {
+      const slug = title.toLowerCase()
         .normalize('NFKD').replace(/[\u0300-\u036f]/g,'')
         .replace(/[^a-z0-9]+/g,'-').replace(/^-+|-+$/g,'')
         .substring(0,60) || 'article';
-    const shareUrl = SPACE + '/s/' + slug + '?url=' + encodeURIComponent(url) + '&img=' + encodeURIComponent(img||'');
+      shareUrl = SPACE + '/s/' + slug + '?url=' + encodeURIComponent(url) + '&img=' + encodeURIComponent(img||'');
+    }
     if(navigator.share) navigator.share({title,url:shareUrl}).catch(()=>{});
     else{ navigator.clipboard.writeText(shareUrl).then(()=>alert('Đã sao chép!\n'+shareUrl)).catch(()=>{}) }
 }