- Introduced a new function `loadSystemModels` to load predefined system models for testing purposes, enhancing the test environment setup.
- Implemented error handling for model loading and migration, ensuring robust integration of system models.
- Updated the `Prepare` function to call `loadSystemModels`, streamlining the test preparation process.
- Updated the assistant management functions to utilize a unified response structure, replacing the previous 'Items' field with 'Data' for consistency across the API.
- Refactored the handling of assistant mentions and details to streamline data processing, improving code readability and maintainability.
- Enhanced the AssistantResponse type to include pagination fields directly, facilitating better management of assistant data retrieval.
- Implemented new methods for adding, saving, deleting, and searching assistants, ensuring robust functionality across different storage backends.
- Updated tests to reflect changes in the assistant management logic and response structure, ensuring comprehensive coverage and reliability.
