[FEATURE] Implement handle_authentication skill #8
Description
Summary
Implement the handle_authentication skill to provide comprehensive authentication handling functionality. This skill allows the agent to handle various authentication methods including basic auth, form-based login, and OAuth flows.
Acceptance Criteria
- Support HTTP basic authentication
- Implement form-based login automation
- Handle OAuth authentication flows
- Support custom login page navigation
- Implement configurable field selectors for login forms
- Handle two-factor authentication prompts
- Support session persistence and cookies
- Implement authentication failure detection
- Handle CAPTCHA detection and reporting
- Add secure credential handling (no logging)
- Support authentication state verification
- Add unit tests covering various authentication scenarios