Alicia Lu enhanced the Physical Cluster Replication dashboard in the cockroachdb/cockroach repository by reordering the 'Replication Lag' and 'Logical Bytes' graphs to improve logical sequencing and readability for operators. She focused on front end development using React, JavaScript, and TypeScript, ensuring that the update preserved all existing functionality and did not introduce regressions. The change was validated through continuous integration pipelines, maintaining the reliability of the dashboard. Alicia’s work reduced cognitive load for users during cluster health reviews, supporting faster triage and decision-making. The scope was targeted, reflecting a thoughtful approach to UI/UX development within a complex system.