During October 2025, Lin Nikaido focused on improving data integrity and reliability for the google/adk-python repository by addressing a critical issue with MySQL-backed session storage. Lin identified and resolved a bug where session data serialized with pickle could be truncated due to the default use of the BLOB type, which limited payload size. By explicitly configuring the session data column to use LONGBLOB, Lin ensured support for larger session payloads and reduced runtime errors in production environments. This work leveraged Python, SQL, and database management skills, resulting in more robust session persistence and improved user experience for large-scale deployments.