- Introduced new test cases to validate the behavior of the search handler when querying with nonexistent models, ensuring it returns appropriate error messages without panicking.
- Added a test for scenarios where only some of the requested models exist, confirming that the search can still succeed with valid models while handling errors gracefully.
- Updated the search handler to improve error handling by checking for model existence before proceeding with the search, enhancing robustness in search operations.
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