video fix

video_parser.py

@@ -12,11 +12,12 @@ class VideoParser:
     def download_youtube_video(self, url: str) -> str:
         """Download YouTube video and return local path"""
         ydl_opts = {
-            'format': 'best[height<=720]',
+            'format': 'worst[height<=480]/worst',
             'outtmpl': os.path.join(self.temp_dir, '%(title)s.%(ext)s'),
             'quiet': True,
-            'cookiesfrombrowser': ('chrome',),
-            'extractor_args': {'youtube': {'skip': ['dash', 'hls']}}
+            'no_warnings': True,
+            'extract_flat': False,
+            'user_agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36'
         }
         
         with yt_dlp.YoutubeDL(ydl_opts) as ydl: