refactor: update event type definitions to use Literal for type safety #4291
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- Changed event type definitions across multiple event classes to use Literal for improved type safety and clarity. - Updated the definition in to utilize Annotated for better schema representation. - Ensured consistency in type definitions for various events, enhancing the robustness of event handling in the CrewAI framework.
gabemilani
approved these changes
Jan 28, 2026
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following - https://docs.pydantic.dev/latest/concepts/performance/