c4beb3ef3c
- Implement ZhihuAdapter class inheriting PlatformAdapter - Support answer URL content extraction - Support zhuanlan (article) URL content extraction - Add cookie-based authentication from KBSettings - Detect login page redirects (expired cookies) - Return AuthError for missing/expired cookies - Format content with YAML frontmatter - Update package exports to include ZhihuAdapter Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>