January 2026: Delivered key UI improvements for the object tree and robust error handling, enhancing accessibility and data resilience. Fixed layout issues in the object tree sidebar virtual table to ensure proper height and display, and removed unnecessary headers for cleaner presentation. Implemented UX enhancements for error states and keyboard navigation to improve accessibility and efficiency when exploring plots.

December 2025 delivered a targeted UI improvement for WebUi by adding persistence for the Object Tree View left panel width. The width is now saved to localStorage and restored on subsequent sessions, ensuring layout stability without user reconfiguration. The change was implemented in AliceO2Group/WebUi under OGUI-1813, with commit e78d1b020ccc8bd05bbb62376bc2cb4ceaf3e3f5, and did not require server changes.

November 2025 — AliceO2Group/WebUi: Delivered a key UX enhancement by adding a resizable left panel to the Object Tree Page, enabling users to adjust the left pane width for improved workflow efficiency and readability. This feature aligns with OGUI-1812 and is backed by commit f94d8b71d9d645b27b4b9bb3cc1aea288b35cced. Major bugs fixed: none reported in this scope. Overall impact: increased workspace flexibility, improved navigation efficiency in object trees, and a foundation for further modular UI improvements. Technologies/skills demonstrated: frontend UI development, dynamic layout/state management, responsive design, and strong traceability to issues via commit messages and ticket references.