Worked on enhancing librenms/librenms by delivering GBK encoding support for SNMP interface names and descriptions, addressing data garbling issues with non-Western character sets. Developed a multi-tier encoding detection strategy in PHP, updating the StringHelpers::inferEncoding() method to prioritize GB18030, GBK, and GB2312 before Western encodings. Integrated this encoding inference into backend port discovery and polling processes, ensuring accurate handling of ifName and ifDescr fields. This approach improved data quality and reliability for GBK-encoded devices, reducing manual data cleaning and enhancing network inventory accuracy. Emphasized backend development and unit testing to ensure robust, maintainable code throughout the implementation.