- Replace environment variable-based configuration with user-friendly admin interface
- Add credentials configuration form with Client ID and Secret fields
- Implement OAuth authorization flow directly from admin interface
- Add comprehensive credential validation and error handling
- Update Zoho auth class to use WordPress options instead of defined constants
- Add improved admin styling with responsive design
- Include copy-to-clipboard functionality for redirect URI
- Maintain backward compatibility with existing config file approach
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
0c661a1a56