Takuma worked on the misskey-dev/misskey repository, focusing on backend development and database optimization to address a targeted search compatibility issue. During the month, Takuma refactored the note search logic to ensure reliable case-insensitive searches when the PostgreSQL pg_bigm extension is enabled. By replacing ILIKE with LOWER() and LIKE in SQL queries, the solution maintained search functionality while improving compatibility with pg_bigm. This change involved a single, well-scoped patch that minimized deployment risk and surface area. Takuma utilized TypeScript and SQL to implement the fix, demonstrating a careful approach to maintaining system reliability and extension compatibility in production environments.