Worked on the misskey-dev/misskey repository, focusing on frontend development using Vue.js and JavaScript. Addressed a critical bug in the mention detection logic by implementing case-insensitive comparison for usernames and hosts, ensuring accurate identification of the current user in mixed-case scenarios. This fix improved the reliability of notification delivery by preventing both missed and misrouted mentions, directly enhancing collaboration features. The approach involved normalizing input cases within the UI logic, demonstrating attention to detail and code quality. Over the month, contributed targeted problem-solving rather than feature development, emphasizing robust bug resolution and maintaining high standards in frontend engineering practices.