Fix shorts: sequential fetch (more reliable), timeout 120s, duongdenworldcup as fallback

main.py

@@ -164,7 +164,7 @@ def extract_xemlaibongda_video(url):
 # ===== YOUTUBE SHORTS =====
 def _yt_channel_shorts(channel, count=15):
     try:
-        result=subprocess.run(["yt-dlp","--no-check-certificates","--flat-playlist","--dump-json","--no-download","--playlist-end",str(count),f"https://www.youtube.com/@{channel}/shorts"],capture_output=True,text=True,timeout=90)
+        result=subprocess.run(["yt-dlp","--no-check-certificates","--flat-playlist","--dump-json","--no-download","--playlist-end",str(count),f"https://www.youtube.com/@{channel}/shorts"],capture_output=True,text=True,timeout=120)
         videos=[]
         for line in result.stdout.strip().split('\n'):
             if not line:continue
@@ -178,13 +178,14 @@ def _yt_channel_shorts(channel, count=15):
 def scrape_shorts():
     """Fetch shorts from @baodantri7941 + @baosuckhoedoisongboyte, sorted newest first"""
     vids=[]
-    with ThreadPoolExecutor(2) as ex:
-        futs=[ex.submit(_yt_channel_shorts,ch,15) for ch in ["baodantri7941","baosuckhoedoisongboyte"]]
-        for f in as_completed(futs):
-            try:
-                r=f.result()
-                if r:vids.extend(r)
-            except:pass
+    for ch in ["baodantri7941","baosuckhoedoisongboyte"]:
+        try:
+            r=_yt_channel_shorts(ch,12)
+            if r:vids.extend(r)
+        except:pass
+    if not vids:
+        try:vids=_yt_channel_shorts("duongdenworldcup_2026",15)
+        except:pass
     vids.sort(key=lambda x:x.get("id",""),reverse=True)
     return vids[:20]
 def scrape_worldcup_shorts():