Audrey Tang focused on improving code correctness and maintainability in the bluesky-social/indigo repository by addressing a bug related to data model initialization. Working with Go, Audrey implemented a targeted fix for the DbCID struct, explicitly setting the CID field using a keyed literal to align with Go best practices. This approach reduced the risk of incorrect struct initialization and improved data integrity for CID handling throughout the model layer. Although the scope was limited to a single bug fix and did not introduce new features or API changes, the work demonstrated careful attention to code quality and long-term maintainability.