Anna Llorens enhanced the oat-sa/tao-core-ui-fe repository by delivering a feature-flagged CKEditor decorations update, introducing strike-through and subscript formatting options while ensuring stable editor behavior through careful plugin loading adjustments. She removed conflicting options to maintain consistency and addressed code quality by resolving linting issues in CKEditor configuration files, focusing on spacing and indentation without altering functionality. Her work emphasized maintainability and reduced regression risk by establishing clear linting standards. Throughout the project, Anna applied her expertise in JavaScript, front end development, and CKEditor configuration, demonstrating a methodical approach to both feature delivery and codebase cleanliness.