- Added a new GetAssistant function to retrieve assistant details by ID, incorporating permission checks to ensure authorized access.
- Updated the assistant route to use the new GetAssistant handler, enhancing security by verifying user permissions before returning assistant data.
- Introduced a FilterBuiltInAssistant function to clear sensitive fields for built-in assistants, ensuring compliance with data protection standards.
- Enhanced test coverage for the GetAssistant functionality, including tests for successful retrieval, permission filtering, and error handling scenarios.