Worked on the bytedance/g3 repository to address a critical issue in the passphrase hashing workflow, focusing on improving the reliability of data exchange between client and server applications. Using Python and leveraging skills in JSON handling and scripting, implemented a fix that ensures the passphrase_hash output is properly serialized as a JSON string. This adjustment aligns the output with the expected JSON schema, reducing the risk of integration failures and enhancing automation reliability in authentication processes. The work emphasized careful attention to data consistency and interoperability, contributing to more robust server-side interactions without introducing new features during the period.