- Add logging import and structured error handling with logger
- Update class docstring to document thread safety guarantees
- Add thread-safe deregister_handler method with proper locking
- Add comprehensive tests for handler deregistration thread safety
- Add test for deregistering non-existent handlers
- Improve error handling with structured logging and exc_info
- Maintain backward compatibility while enhancing functionality
Addresses review suggestions from PR #2992 while keeping the core
thread safety fix intact and adding valuable enhancements.
Co-Authored-By: João <joao@crewai.com>
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