e152b8ea05
- Add StealthConfig Pydantic model with all playwright-stealth options - Add apply_stealth_sync/apply_stealth_async functions for browser context - Add get_default_stealth_config convenience function - Add 9 unit tests covering config defaults, stealth application, and disabled mode - Update conftest.py with stealth_config and mock_browser_context fixtures Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>