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## Description
<!-- Provide a clear description of the changes in this PR -->
## DCO Affirmation
I affirm that all code in every commit of this pull request conforms to
the terms of the Topoteretes Developer Certificate of Origin
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## Summary by CodeRabbit
- **Chores**
- Removed unused code to streamline internal processes.
- **Tests**
- Added a comprehensive suite of tests to validate core retrieval and
search functionalities.
- Improved validation of response generation, context handling, and
error scenarios to ensure consistent and reliable performance.
These improvements enhance overall system stability and maintainability,
contributing to a smoother experience for end-users.
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Co-authored-by: vasilije <vas.markovic@gmail.com>
