- Introduced member_id as a unique identifier for members, improving data integrity and consistency across member operations.
- Updated member-related functions to utilize member_id instead of internal IDs, enhancing API usability and clarity.
- Implemented email existence checks for team members, allowing for better validation during member creation and updates.
- Refactored existing tests to accommodate changes in member identification and email validation, ensuring comprehensive coverage and reliability.
- Added new API endpoint for checking if an email exists within a team, improving user experience during member management.