Enhance video metadata extraction and update player template to display additional information

dlp.py

@@ -138,14 +138,47 @@ def _get_video_info(video_url: str) -> dict:
 
 
 def get_stream_info(video_url: str) -> dict:
-    """Get video info (title, hls_url, thumbnail)."""
+    """Get video info with all available metadata."""
     info = _get_video_info(video_url)
-    return {
+    
+    # Extract useful metadata from raw_info
+    raw = info.get("raw_info", {})
+    metadata = {
         "title": info["title"],
-        "hls_url": info["hls_url"],
-        "direct_url": info.get("direct_url"),
         "thumbnail": info["thumbnail"],
+        "hls_url": info.get("hls_url"),
+        "direct_url": info.get("direct_url"),
+        # Additional metadata
+        "description": raw.get("description"),
+        "uploader": raw.get("uploader"),
+        "uploader_url": raw.get("uploader_url"),
+        "duration": raw.get("duration"),
+        "upload_date": raw.get("upload_date"),
+        "view_count": raw.get("view_count"),
+        "like_count": raw.get("like_count"),
+        "dislike_count": raw.get("dislike_count"),
+        "comment_count": raw.get("comment_count"),
+        "age_limit": raw.get("age_limit"),
+        "categories": raw.get("categories"),
+        "tags": raw.get("tags"),
+        "language": raw.get("language"),
+        "license": raw.get("license"),
+        "channel": raw.get("channel"),
+        "channel_url": raw.get("channel_url"),
+        "channel_id": raw.get("channel_id"),
+        "extractor": raw.get("extractor"),
+        "extractor_key": raw.get("extractor_key"),
+        "display_id": raw.get("display_id"),
+        "url": raw.get("url"),
+        "fulltitle": raw.get("fulltitle"),
+        "duration_string": raw.get("duration_string"),
+        "resolution": raw.get("resolution"),
+        "format": raw.get("format"),
+        "format_note": raw.get("format_note"),
+        "filesize": raw.get("filesize"),
+        "filesize_approx": raw.get("filesize_approx"),
     }
+    return metadata
 
 
 def get_hls_playlist(video_url: str) -> str: