Cedric contributed to the PrestaShop/PrestaShop repository by developing three new features focused on enhancing module extensibility and upgrade reliability. He implemented lifecycle hooks that allow custom event-driven logic during module enable, disable, and upgrade actions, using PHP for back-end and module development. Cedric improved the sequencing of upgrade hooks to ensure they execute after the database version is updated, reducing upgrade risks. Additionally, he introduced a pre-update configuration hook to support validation and custom processing before configuration changes. His work demonstrated a strong understanding of module architecture and provided deeper integration points for both merchants and developers.