Todd worked on the basecamp/lexxy repository, focusing on improving the user experience in multi-instance environments by addressing a critical bug in the link dialog functionality. Using JavaScript and front end development skills, he scoped the dialog lookup within the Lexxy toolbar to ensure it targeted the active instance, rather than defaulting to the first instance on the page. This change aligned the dialog’s behavior with user expectations and business workflows, reducing confusion and potential errors. Todd validated the fix through multi-instance smoke tests, demonstrating careful debugging and precise code scoping to enhance reliability and usability in complex frontend scenarios.