Xuanlei Lin developed the Hybrid Search Demo Data Population feature for the tigergraph/ecosys repository, focusing on data engineering and demo development. Lin introduced a structured CSV dataset containing song similarity data to demonstrate hybrid search performance and accuracy in practical scenarios. The work emphasized dataset readiness and clear traceability, supporting onboarding and stakeholder demonstrations while accelerating evaluation cycles. By leveraging CSV for data representation and applying data engineering principles, Lin enabled users to quickly assess hybrid search capabilities without additional setup. The feature was delivered with a focus on clarity and usability, though no major bugs were addressed during this period.