- 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>
- Add test for abstract class instantiation prevention
- Add test for incomplete implementation detection
- Add test for complete implementation instantiation
- Add test for async method signatures
- Add shared fixtures for platform tests
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>