In February 2026, TSB focused on backend development for the trunk-io/analytics-cli repository, addressing a critical bug in test case reference resolution. Using Rust, TSB implemented logic to prioritize the 'file' field over 'filepath' when both are present, with a fallback to 'filepath' if necessary. This approach reduced misreferences in test artifacts and stabilized test execution, directly supporting ongoing QA and CI reliability goals. The work improved the accuracy of test case mapping to source files, decreasing test failures caused by incorrect file resolution. TSB’s contribution demonstrated depth in backend problem-solving and careful attention to test infrastructure reliability.