Add support for yt-dlp with NodeJS

bot/modules/media_loader/ytdlp.py

@@ -158,6 +158,19 @@ async def download_media(
             'ignoreerrors': False,
         }
         
+        # Check if Node.js is available for JS extraction (required for Instagram, TikTok, etc.)
+        import shutil
+        nodejs_path = shutil.which('node')
+        if nodejs_path:
+            logger.debug(f"Node.js found at: {nodejs_path}. JS extraction will be available.")
+            # yt-dlp will automatically use Node.js if available
+            # Optionally, we can explicitly set it via extractor_args if needed
+        else:
+            logger.warning(
+                "Node.js not found. Some sites (Instagram, TikTok, etc.) may require JS extraction. "
+                "Install Node.js for full functionality."
+            )
+        
         # Add cookies if specified (for Instagram and other sites)
         if cookies_file:
             # Resolve cookies file path (support relative and absolute paths)