Worked on the woocommerce/woocommerce repository to enhance data integrity for product identifiers within the product edit workflow. Focused on front end development using JavaScript, the contribution addressed a bug where GTIN, UPC, EAN, and ISBN fields could inadvertently include leading or trailing dashes. Implemented a targeted validation update that normalizes these fields, ensuring identifiers are consistently formatted and preventing misformatted data from propagating through product listings and integrations. This change reduced downstream data quality issues by enforcing stricter input validation. The work demonstrated attention to detail and a methodical approach to improving data consistency in a large-scale e-commerce platform.