September 2025 monthly summary for PublicisSapient/knowhow-api: Strengthened correctness and maintainability of WorkStatusService delay calculations and improved test hygiene to reduce risk in production reporting. Key features delivered include consolidated and enhanced delay calculation logic with validation (ISSUE_DELAY, non-negative delays) and clearer separation of calculation and population logic for planned vs non-planned items, supported by four commits. Additionally, test code cleanup and test structure improvements for WorkStatusService were completed with no functional changes. This work reduced defect risk, improved reliability of work status reporting, and laid groundwork for faster future enhancements. Technologies/skills demonstrated include robust validation design, refactoring for maintainability, and test-driven improvement.

In August 2025, focused on reliability and robustness across Knowhow API and UI, delivering time zone consistency for sprint start dates and defensive handling for undefined KPI inputs. These changes improve cross-region date accuracy, reduce data drift, and prevent KPI computation errors, enabling more trustworthy planning and dashboards.