Worked on enhancing the reliability of JSON tag handling in the ClickHouse/clickhouse-go repository, focusing on backend development with Go. Addressed a bug in the object_json component by refining the parsing logic for struct tags, ensuring that only the primary field name is used when deriving JSON keys and that options like 'omitempty' are correctly ignored. This approach improved consistency and correctness in JSON field name derivation, particularly when dealing with complex struct tag patterns. Utilized Go programming and JSON parsing skills to deliver a targeted fix, contributing to more robust data serialization and reducing potential misnaming issues in emitted JSON.