<!-- .github/pull_request_template.md -->
## Description
Add re-raising of errors in general exception handling
## 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
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **Bug Fixes & Stability Improvements**
- Enhanced error handling throughout the system, ensuring issues during
operations like server startup, data processing, and graph management
are properly logged and reported.
- **Refactor**
- Standardized logging practices replace basic output statements,
improving traceability and providing better insights for
troubleshooting.
- **New Features**
- Updated search functionality now returns only unique results,
enhancing data consistency and the overall user experience.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: holchan <61059652+holchan@users.noreply.github.com>
Co-authored-by: Boris <boris@topoteretes.com>