Worked on enhancing error handling for the SQLite-backed tag store in the nodejs/node repository, focusing on improving reliability and developer experience. Addressed a bug by surfacing the actual SQLite error message during preparation failures, replacing generic error outputs with detailed diagnostics. This was achieved by propagating the database handle to the error reporter, enabling retrieval of the precise sqlite3_errmsg() and aligning error reporting with standard db.prepare() behavior. Utilized C++ and JavaScript, applying skills in database management, error handling, and testing. The update improved debugging efficiency, reduced escalation rates, and increased maintainability for downstream applications relying on tag-store functionality.