In November 2024, this developer enhanced the sotopia-lab/sotopia repository by implementing tag-based filtering for environment-agent combinations in experiment evaluation. Using Python, they introduced a tag parameter that allows precise selection and filtering of experiment iterations, ensuring reproducible and controlled experiment setups. Their approach included sorting combinations by primary key to guarantee deterministic evaluation results, which supports more reliable analytics and data-driven decisions. The work focused on code refactoring and experimentation, laying a foundation for future stability and analytics improvements. Although no bugs were fixed during this period, the feature delivered depth and technical clarity to the experiment evaluation pipeline.