Hashtag: more results from Google News, sorted newest, load more button, strict filter"

app_run.py

@@ -1,4 +1,4 @@
-"""Wrapper: real article URLs from VN news search, universal scrape, pagination."""
+"""Wrapper: hashtag via Google News with pagination, strict relevance, load more."""
 from app_final import *
 from app_final import app, f6, f5, rt, PATCH_INJECT, UNIFIED_INJECT_FIXED, HIGHLIGHT_FULL_OVERRIDE, EXTRA_WALL_FIX
 from fastapi.responses import HTMLResponse, JSONResponse
@@ -7,97 +7,50 @@ import requests as req
 from urllib.parse import quote
 from bs4 import BeautifulSoup
 import re, html as html_lib
-from concurrent.futures import ThreadPoolExecutor, as_completed
 
 def _clean(s):return re.sub(r"\s+"," ",html_lib.unescape(str(s or ""))).strip()
-UA={'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36','Accept-Language':'vi-VN,vi;q=0.9'}
 
-def _vne_search(topic, limit=10):
-    """Search VnExpress — returns real URLs."""
-    items=[]
-    try:
-        r=req.get(f'https://timkiem.vnexpress.net/?q={quote(topic)}',headers=UA,timeout=8);r.encoding='utf-8'
-        soup=BeautifulSoup(r.text,'lxml')
-        for a in soup.select('article.item-news h2 a, article.item-news h3 a, h2.title-news a, h3.title-news a')[:limit]:
-            title=_clean(a.get('title','') or a.get_text(strip=True));href=a.get('href','')
-            if title and href and href.startswith('http'):items.append({'title':title,'url':href,'via':'VnExpress'})
-    except:pass
-    return items
-
-def _dantri_search(topic, limit=8):
-    """Search Dantri — returns real URLs."""
-    items=[]
-    try:
-        r=req.get(f'https://dantri.com.vn/tim-kiem/{quote(topic)}.htm',headers=UA,timeout=8);r.encoding='utf-8'
-        soup=BeautifulSoup(r.text,'lxml')
-        for a in soup.select('h3.article-title a, h2.article-title a, .article-item a[href]')[:limit]:
-            title=_clean(a.get('title','') or a.get_text(strip=True));href=a.get('href','')
-            if not href.startswith('http'):href='https://dantri.com.vn'+href
-            if title and len(title)>15 and href.endswith('.htm'):items.append({'title':title,'url':href,'via':'Dân trí'})
-    except:pass
-    return items
-
-def _vietnamnet_search(topic, limit=8):
-    """Search Vietnamnet — returns real URLs."""
-    items=[]
+def _follow_redirect(url):
     try:
-        r=req.get(f'https://vietnamnet.vn/tim-kiem?q={quote(topic)}',headers=UA,timeout=8);r.encoding='utf-8'
-        soup=BeautifulSoup(r.text,'lxml')
-        for a in soup.select('h3 a[href], .verticalPost__main a[href], .horizontalPost__main a[href]')[:limit]:
-            title=_clean(a.get('title','') or a.get_text(strip=True));href=a.get('href','')
-            if not href.startswith('http'):href='https://vietnamnet.vn'+href
-            if title and len(title)>15:items.append({'title':title,'url':href,'via':'Vietnamnet'})
-    except:pass
-    return items
-
-def _multi_search(topic, limit=20):
-    """Search multiple VN news sources in parallel for real URLs."""
-    all_items=[];seen=set()
-    with ThreadPoolExecutor(3) as ex:
-        futs=[ex.submit(_vne_search,topic,10),ex.submit(_dantri_search,topic,8),ex.submit(_vietnamnet_search,topic,8)]
-        for f in as_completed(futs,timeout=12):
-            try:
-                for item in f.result():
-                    if item['url'] not in seen:seen.add(item['url']);all_items.append(item)
-            except:pass
-    # Filter relevance
-    topic_lower=topic.lower()
-    topic_words=[w for w in re.findall(r'[A-Za-zÀ-ỹ0-9]+',topic_lower) if len(w)>1]
-    relevant=[]
-    for item in all_items:
-        title_lower=item['title'].lower()
-        if topic_lower in title_lower:relevant.append(item);continue
-        match=sum(1 for w in topic_words if w in title_lower)
-        if match>=max(1,len(topic_words)//2):relevant.append(item)
-    return relevant[:limit]
+        r=req.head(url,allow_redirects=True,timeout=10,headers={'User-Agent':'Mozilla/5.0'})
+        return r.url
+    except:
+        try:r=req.get(url,allow_redirects=True,timeout=10,headers={'User-Agent':'Mozilla/5.0'},stream=True);u=r.url;r.close();return u
+        except:return url
 
 def _scrape_any_article(url):
+    if 'news.google.com' in url or 'google.com/rss' in url:url=_follow_redirect(url)
     try:
-        r=req.get(url,headers=UA,timeout=15,allow_redirects=True);r.encoding='utf-8'
-        soup=BeautifulSoup(r.text,'lxml')
+        r=req.get(url,headers={'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36','Accept-Language':'vi-VN,vi;q=0.9,en;q=0.8'},timeout=15,allow_redirects=True)
+        r.encoding='utf-8';soup=BeautifulSoup(r.text,'lxml')
         for tag in soup.find_all(['script','style','nav','footer','aside','form','noscript','iframe']):tag.decompose()
         h1=soup.find('h1');ogt=soup.find('meta',property='og:title')
         title=(h1.get_text(' ',strip=True) if h1 else '') or (ogt.get('content','') if ogt else '') or (soup.title.get_text(strip=True) if soup.title else '')
         ogd=soup.find('meta',property='og:description') or soup.find('meta',attrs={'name':'description'})
         summary=ogd.get('content','') if ogd else ''
-        ogi=soup.find('meta',property='og:image');og_image=ogi.get('content','') if ogi else ''
+        ogi=soup.find('meta',property='og:image') or soup.find('meta',attrs={'name':'twitter:image'})
+        og_image=ogi.get('content','') if ogi else ''
         if og_image and og_image.startswith('//'):og_image='https:'+og_image
-        selectors=['article','main','.article-content','.detail-content','.singular-content','.fck_detail','.entry-content','.story-body','.knc-content','.cms-body']
+        selectors=['article','main','.article-content','.detail-content','.singular-content','.fck_detail','.content-detail','.entry-content','.story-body','.knc-content','.cms-body']
         block=None
         for sel in selectors:
             el=soup.select_one(sel)
             if el and len(el.find_all('p'))>=2:block=el;break
         if not block:
-            best=None;bs=0
+            best=None;best_score=0
             for el in soup.find_all(['article','main','section','div']):
-                ps=el.find_all('p');sc=len(ps)*100+sum(len(p.get_text())for p in ps[:10])
-                if sc>bs:best=el;bs=sc
+                ps=el.find_all('p');score=len(ps)*100+sum(len(p.get_text())for p in ps[:10])
+                if score>best_score:best=el;best_score=score
             block=best or soup.body or soup
         body=[]
         for el in block.find_all(['p','h2','h3','figure','img'],recursive=True):
-            if el.name=='p':t=_clean(el.get_text(' ',strip=True));(body.append({'type':'p','text':t}) if len(t)>30 else None)
-            elif el.name in('h2','h3'):t=_clean(el.get_text(' ',strip=True));(body.append({'type':'heading','text':t}) if t else None)
-            elif el.name in('figure','img'):
+            if el.name=='p':
+                t=_clean(el.get_text(' ',strip=True))
+                if len(t)>30:body.append({'type':'p','text':t})
+            elif el.name in ('h2','h3'):
+                t=_clean(el.get_text(' ',strip=True))
+                if t:body.append({'type':'heading','text':t})
+            elif el.name in ('figure','img'):
                 im=el if el.name=='img' else el.find('img')
                 if im:
                     src=im.get('data-src') or im.get('data-original') or im.get('src') or ''
@@ -108,6 +61,39 @@ def _scrape_any_article(url):
         return {'title':_clean(title),'summary':_clean(summary),'og_image':og_image,'body':body[:50],'source':'generic','url':url}
     except:return None
 
+def _google_news_search_all(topic, limit=30):
+    """Get ALL results from Google News RSS for a topic — no filtering here, filter in endpoint."""
+    items=[]
+    try:
+        url='https://news.google.com/rss/search?q='+quote(topic)+'&hl=vi&gl=VN&ceid=VN:vi'
+        r=req.get(url,headers={'User-Agent':'Mozilla/5.0'},timeout=10);r.encoding='utf-8'
+        soup=BeautifulSoup(r.text,'xml')
+        for it in soup.find_all('item')[:limit]:
+            title=_clean(it.find('title').get_text(' ',strip=True) if it.find('title') else '')
+            link=_clean(it.find('link').get_text(strip=True) if it.find('link') else '')
+            src=_clean(it.find('source').get_text(' ',strip=True) if it.find('source') else '')
+            pub=_clean(it.find('pubDate').get_text(strip=True) if it.find('pubDate') else '')
+            if not title or not link:continue
+            items.append({'title':title,'url':link,'via':src,'snippet':'','pubDate':pub})
+    except:pass
+    return items
+
+def _filter_relevant(items, topic):
+    """Strict filter: topic keywords MUST appear in title."""
+    topic_lower=topic.lower()
+    topic_words=[w for w in re.findall(r'[A-Za-zÀ-ỹ0-9]+',topic_lower) if len(w)>2]
+    filtered=[]
+    for s in items:
+        title_lower=s.get('title','').lower()
+        # Whole phrase match OR majority of words match
+        if topic_lower in title_lower:
+            filtered.append(s);continue
+        if topic_words:
+            match=sum(1 for w in topic_words if w in title_lower)
+            if match>=len(topic_words)*0.6:
+                filtered.append(s)
+    return filtered
+
 # Override endpoints
 app.router.routes=[r for r in app.router.routes if not (
     (getattr(r,'path',None)=='/api/hashtag/sources' and 'GET' in getattr(r,'methods',set())) or
@@ -116,7 +102,7 @@ app.router.routes=[r for r in app.router.routes if not (
 )]
 
 @app.get('/api/article')
-def _article(url:str=Query(...)):
+def _article_universal(url:str=Query(...)):
     data=_scrape_any_article(url)
     if data and data.get('body'):return JSONResponse(data)
     from main import scrape_vne_article,scrape_bbc_article,scrape_dantri_article,scrape_genk_article,scrape_ttvh_article
@@ -130,73 +116,87 @@ def _article(url:str=Query(...)):
     return JSONResponse({'error':'Không đọc được bài viết','url':url})
 
 @app.get('/api/hashtag/sources')
-def _hashtag(topic:str=Query(...),offset:int=Query(default=0),limit:int=Query(default=6)):
-    """Return relevant sources from VN news search with real URLs. Supports pagination."""
-    all_sources=_multi_search(topic,20)
-    total=len(all_sources)
-    page=all_sources[offset:offset+limit]
-    has_more=offset+limit<total
-    return JSONResponse({'sources':[{'title':s['title'],'url':s['url'],'via':s['via']} for s in page],'topic':topic,'total':total,'offset':offset,'has_more':has_more})
+def _hashtag_paged(topic:str=Query(...),page:int=Query(default=0)):
+    """Google News search with pagination. page=0 returns first 6, page=1 returns next 6, etc."""
+    all_items=_google_news_search_all(topic,30)
+    filtered=_filter_relevant(all_items,topic)
+    # If strict filter too harsh, fallback to all
+    if len(filtered)<3:filtered=all_items
+    per_page=6;start=page*per_page;end=start+per_page
+    page_items=filtered[start:end]
+    has_more=end<len(filtered)
+    return JSONResponse({'sources':page_items,'topic':topic,'page':page,'has_more':has_more,'total':len(filtered)})
 
 FAST_HASHTAG_JS = r'''
 <style>
 .hashtag-loading{display:flex;align-items:center;gap:8px;padding:12px;color:#888;font-size:12px}
 .hashtag-spinner{width:16px;height:16px;border:2px solid #333;border-top-color:#5cb87a;border-radius:50%;animation:ht-spin .8s linear infinite}
 @keyframes ht-spin{to{transform:rotate(360deg)}}
-.hashtag-load-more{width:100%;margin-top:8px;background:#222;border:1px solid #333;color:#ccc;padding:9px;border-radius:10px;font-size:12px;cursor:pointer;text-align:center}
+.hashtag-load-more{width:100%;margin-top:8px;background:#222;border:1px solid #333;color:#ccc;padding:9px;border-radius:10px;font-size:12px;cursor:pointer}.hashtag-load-more:active{opacity:.7}
 </style>
 <script>
 (function(){
 function esc(s){return String(s||'').replace(/[&<>"']/g,function(m){return{'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;',"'":'&#39;'}[m]});}
-var _htOffset=0,_htTopic='',_htImgIdx=0;
+var _htPage=0,_htTopic='',_htImgIdx=0;
 
 window.readArticle=async function(url){
-  showView('view-article');var el=document.getElementById('view-article');
-  el.innerHTML='<div class="loading">Đang tải bài viết...</div>';
+  showView('view-article');var el=document.getElementById('view-article');el.innerHTML='<div class="loading">Đang tải...</div>';
   try{var r=await fetch('/api/article?url='+encodeURIComponent(url));var data=await r.json();
-    if(data&&!data.error&&data.body&&data.body.length){
-      window._currentArticle={url:url,data:data};
-      var h='<button class="back-btn" onclick="switchCat(\'home\')">← Quay lại</button><div class="article-view"><h1 class="article-title">'+esc(data.title)+'</h1>';
-      if(data.summary)h+='<div class="article-summary">'+esc(data.summary)+'</div>';
-      var seen={};data.body.forEach(function(b){if(b.type==='p')h+='<p class="article-p">'+b.text+'</p>';else if(b.type==='img'&&b.src&&!seen[b.src]){seen[b.src]=1;h+='<img class="article-img" src="'+esc(b.src)+'" onerror="this.style.display=\'none\'">';}else if(b.type==='heading')h+='<h2 class="article-h2">'+esc(b.text)+'</h2>';});
-      h+='<div class="article-actions"><button class="primary" onclick="doRewriteArticle(this)">🤖 Rewrite AI đăng tường</button><button onclick="doShare(\''+esc(data.title)+'\',\''+esc(url)+'\',\''+esc(data.og_image||'')+'\')">📤</button><button onclick="window.open(\''+esc(url)+'\',\'_blank\')">🔗 Gốc</button></div>';
-      h+='<div class="article-ai-ask"><h3 style="font-size:14px;color:#5cb87a">🤖 Hỏi AI</h3><textarea id="article-ai-question" placeholder="Hỏi về bài viết..."></textarea><button onclick="askArticleAI()">Hỏi</button><div id="article-ai-answer" class="article-ai-answer"></div></div></div>';
-      el.innerHTML=h;window.scrollTo(0,0);return;}}catch(e){}
-  el.innerHTML='<button class="back-btn" onclick="switchCat(\'home\')">← Quay lại</button><div class="loading"><p>Không đọc được bài.</p><a href="'+esc(url)+'" target="_blank" style="color:#5cb87a">Mở link gốc →</a></div>';
+    if(data&&!data.error&&data.body&&data.body.length){window._currentArticle={url:url,data:data};var h='<button class="back-btn" onclick="switchCat(\'home\')">← Quay lại</button><div class="article-view"><h1 class="article-title">'+esc(data.title)+'</h1>';if(data.summary)h+='<div class="article-summary">'+esc(data.summary)+'</div>';var seen={};data.body.forEach(function(b){if(b.type==='p')h+='<p class="article-p">'+b.text+'</p>';else if(b.type==='img'&&b.src&&!seen[b.src]){seen[b.src]=1;h+='<img class="article-img" src="'+esc(b.src)+'" onerror="this.style.display=\'none\'">';}else if(b.type==='heading')h+='<h2 class="article-h2">'+esc(b.text)+'</h2>';});h+='<div class="article-actions"><button class="primary" onclick="doRewriteArticle(this)">🤖 Rewrite AI đăng tường</button><button onclick="doShare(\''+esc(data.title)+'\',\''+esc(url)+'\',\''+esc(data.og_image||'')+'\')">📤</button><button onclick="window.open(\''+esc(url)+'\',\'_blank\')">🔗 Gốc</button></div><div class="article-ai-ask"><h3 style="font-size:14px;color:#5cb87a">🤖 Hỏi AI</h3><textarea id="article-ai-question" placeholder="Hỏi..."></textarea><button onclick="askArticleAI()">Hỏi</button><div id="article-ai-answer" class="article-ai-answer"></div></div></div>';el.innerHTML=h;window.scrollTo(0,0);return;}}catch(e){}
+  el.innerHTML='<button class="back-btn" onclick="switchCat(\'home\')">← Quay lại</button><div class="loading"><p>Không đọc được.</p><a href="'+esc(url)+'" target="_blank" style="color:#5cb87a">Mở gốc →</a></div>';
 };
 window.doRewriteArticle=async function(btn){var url=(window._currentArticle&&window._currentArticle.url)||'';if(!url){alert('Không có URL');return;}var ctx=document.querySelector('.article-view')?.innerText?.slice(0,14000)||'';btn.disabled=true;btn.textContent='Đang rewrite...';try{var r=await fetch('/api/rewrite_share',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({url:url,context:ctx})});var j=await r.json();if(!r.ok||j.error)throw new Error(j.error||'Lỗi');alert('Đã đăng Tường AI!');}catch(e){alert(e.message);}finally{btn.disabled=false;btn.textContent='🤖 Rewrite AI đăng tường';}};
 window.askArticleAI=async function(){var q=document.getElementById('article-ai-question')?.value.trim();if(!q)return alert('Nhập câu hỏi');var a=document.getElementById('article-ai-answer');a.textContent='Đang hỏi...';var url=(window._currentArticle&&window._currentArticle.url)||'';var ctx=document.querySelector('.article-view')?.innerText?.slice(0,12000)||'';try{var r=await fetch('/api/article/ask',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({url:url,question:q,context:ctx})});var j=await r.json();a.textContent=j.answer||'Không trả lời được';}catch(e){a.textContent='Lỗi: '+e.message}};
 
 function renderSources(sources,append){
-  var list=document.getElementById('hashtag-src-list');if(!list)return;var h='';
-  sources.forEach(function(s){var idx=_htImgIdx++;
+  var list=document.getElementById('hashtag-src-list');if(!list)return;
+  var h='';
+  sources.forEach(function(s){
+    var idx=_htImgIdx++;
     h+='<div class="hashtag-src-item" onclick="readArticle(\''+esc(s.url||'')+'\')">';
     h+='<div class="hashtag-src-img" id="ht-img-'+idx+'"></div>';
-    h+='<div class="hashtag-src-text"><div class="hashtag-src-title">'+esc(s.title)+'</div><div class="hashtag-src-via">'+esc(s.via||'')+'</div></div></div>';
-    fetch('/api/article?url='+encodeURIComponent(s.url)).then(function(r){return r.json()}).then(function(d){if(d&&(d.og_image||d.img)){var el=document.getElementById('ht-img-'+idx);if(el)el.innerHTML='<img src="'+esc(d.og_image||d.img)+'" onerror="this.style.display=\'none\'" loading="lazy">';}}).catch(function(){});
+    h+='<div class="hashtag-src-text"><div class="hashtag-src-title">'+esc(s.title)+'</div><div class="hashtag-src-via">'+esc(s.via||'')+(s.pubDate?' · '+esc(s.pubDate.split(',')[0]||''):'')+'</div></div>';
+    h+='</div>';
+    // Lazy load image
+    setTimeout(function(){fetch('/api/article?url='+encodeURIComponent(s.url)).then(function(r){return r.json()}).then(function(d){if(d&&(d.og_image||d.img)){var el=document.getElementById('ht-img-'+idx);if(el)el.innerHTML='<img src="'+esc(d.og_image||d.img)+'" onerror="this.style.display=\'none\'" loading="lazy">';}}).catch(function(){});},idx*500);
   });
   if(append)list.insertAdjacentHTML('beforeend',h);else list.innerHTML=h;
 }
+
 window.showHashtagSources=async function(topic){
-  _htTopic=topic;_htOffset=0;_htImgIdx=0;
+  _htTopic=topic;_htPage=0;_htImgIdx=0;
   var home=document.getElementById('view-home');if(!home)return;
   document.getElementById('hashtag-sources-box')?.remove();
   var box=document.createElement('div');box.id='hashtag-sources-box';box.className='hashtag-sources';
   box.innerHTML='<h3>🔍 '+esc(topic)+'</h3><div class="hashtag-loading"><div class="hashtag-spinner"></div>Đang tìm bài viết mới nhất...</div>';
-  var compose=home.querySelector('.ai-compose');if(compose)compose.after(box);else home.prepend(box);
+  var compose=home.querySelector('.ai-compose');
+  if(compose)compose.after(box);else home.prepend(box);
   box.scrollIntoView({behavior:'smooth',block:'start'});
   try{
-    var r=await fetch('/api/hashtag/sources?topic='+encodeURIComponent(topic)+'&offset=0&limit=6');
+    var r=await fetch('/api/hashtag/sources?topic='+encodeURIComponent(topic)+'&page=0');
     var j=await r.json();var sources=j.sources||[];
-    if(!sources.length){box.innerHTML='<h3>🔍 '+esc(topic)+'</h3><div style="color:#888;font-size:12px;padding:8px">Không tìm được bài viết</div>';return;}
-    _htOffset=sources.length;
-    var h='<h3>🔍 '+esc(topic)+' <span style="font-size:10px;color:#888">('+j.total+' bài)</span></h3><div id="hashtag-src-list"></div>';
-    if(j.has_more)h+='<button class="hashtag-load-more" id="ht-load-more" onclick="loadMoreHashtag()">Tải thêm bài viết...</button>';
+    if(!sources.length){box.innerHTML='<h3>🔍 '+esc(topic)+'</h3><div style="color:#888;font-size:12px;padding:8px">Không tìm được bài viết liên quan</div>';return;}
+    var h='<h3>🔍 '+esc(topic)+' <span style="font-size:10px;color:#888">('+j.total+' bài mới nhất từ Google News)</span></h3>';
+    h+='<div id="hashtag-src-list"></div>';
     h+='<button class="hashtag-rewrite-btn" onclick="rewriteHashtagTopic(\''+esc(topic)+'\')">🤖 Rewrite AI tổng hợp & đăng tường</button>';
-    box.innerHTML=h;renderSources(sources,false);
-  }catch(e){box.innerHTML='<h3>🔍 '+esc(topic)+'</h3><div style="color:#e74c3c;font-size:12px">Lỗi: '+esc(e.message)+'</div>';}
+    if(j.has_more)h+='<button class="hashtag-load-more" id="ht-load-more" onclick="loadMoreSources()">Tải thêm bài viết ▼</button>';
+    box.innerHTML=h;
+    renderSources(sources,false);
+  }catch(e){box.innerHTML='<h3>🔍 '+esc(topic)+'</h3><div style="color:#e74c3c;font-size:12px;padding:8px">Lỗi: '+esc(e.message)+'</div>';}
 };
-window.loadMoreHashtag=async function(){var btn=document.getElementById('ht-load-more');if(btn){btn.textContent='Đang tải...';btn.disabled=true;}try{var r=await fetch('/api/hashtag/sources?topic='+encodeURIComponent(_htTopic)+'&offset='+_htOffset+'&limit=6');var j=await r.json();_htOffset+=j.sources.length;renderSources(j.sources,true);if(!j.has_more&&btn)btn.remove();else if(btn){btn.textContent='Tải thêm...';btn.disabled=false;}}catch(e){if(btn){btn.textContent='Lỗi';btn.disabled=false;}}};
+
+window.loadMoreSources=async function(){
+  _htPage++;var btn=document.getElementById('ht-load-more');
+  if(btn){btn.textContent='Đang tải...';btn.disabled=true;}
+  try{
+    var r=await fetch('/api/hashtag/sources?topic='+encodeURIComponent(_htTopic)+'&page='+_htPage);
+    var j=await r.json();var sources=j.sources||[];
+    renderSources(sources,true);
+    if(!j.has_more&&btn)btn.remove();
+    else if(btn){btn.textContent='Tải thêm bài viết ▼';btn.disabled=false;}
+  }catch(e){if(btn){btn.textContent='Lỗi, thử lại';btn.disabled=false;}}
+};
+
 window.rewriteHashtagTopic=async function(topic){var btn=event?.target;if(btn){btn.disabled=true;btn.textContent='Đang tổng hợp...';}try{var r=await fetch('/api/topic_post',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({topic:topic})});var j=await r.json();if(!r.ok||j.error)throw new Error(j.error||'Lỗi');if(btn)btn.textContent='✅ Đã đăng!';setTimeout(function(){document.getElementById('hashtag-sources-box')?.remove();},2000);}catch(e){if(btn){btn.disabled=false;btn.textContent='❌ '+e.message;}}};
 window.createTopicPost=function(){var inp=document.getElementById('ai-topic-input');var topic=(inp&&inp.value||'').trim();if(!topic){alert('Nhập chủ đề');return;}showHashtagSources(topic);if(inp)inp.value='';};
 window.createTopicPostFinal5=function(){var inp=document.getElementById('ai-topic-input-final5')||document.getElementById('ai-topic-input');var topic=(inp&&inp.value||'').trim();if(!topic){alert('Nhập chủ đề');return;}showHashtagSources(topic);if(inp)inp.value='';};