* feat: Enhance agent update functionality to track user updates
- Updated `updateAgent` function to accept an `updatingUserId` parameter for tracking who made changes.
- Modified agent versioning to include `updatedBy` field for better audit trails.
- Adjusted related functions and tests to ensure proper handling of user updates and version history.
- Enhanced tests to verify correct tracking of `updatedBy` during agent updates and restorations.
* fix: Refactor import tests for improved readability and consistency
- Adjusted formatting in `importChatGptConvo` test to enhance clarity.
- Updated expected output string in `processAssistantMessage` test to use double quotes for consistency.
- Modified processing time expectation in `processAssistantMessage` test to allow for CI environment variability.