Function extractNews

extractNews(input: DocumentInput): NewsMetadata
Extract news metadata from HTML.
Parameters
- input: DocumentInput
  Parsed HTML document or raw HTML string
Returns NewsMetadata
News metadata
Remarks
Extracts news-specific metadata including keywords, standout tags, and syndication information.
Example
```
// With parsed document (recommended for multiple extractions)
const doc = parseHTML(htmlString);
const news = extractNews(doc);

// Or directly with HTML string
const news = extractNews(htmlString);
```
- Defined in src/metadata/news/extract.ts:34