During March 2025, this developer focused on backend development for the sealdice/sealdice-core repository, addressing a critical issue in voice message transmission. They resolved a bug affecting NC connections by ensuring the system prioritized the 'path' field when the 'file' field lacked a URL scheme, which prevented incorrect CQ码 file paths and improved the reliability of voice recordings. Their approach involved thorough end-to-end validation and code review, with explicit handling for missing URL schemes to enhance pipeline robustness. Working primarily in Go, they also prepared detailed release notes, contributing to both the technical stability and documentation quality of the project.