sequenceDiagram participant K as Caissière participant U as UI participant H as hwproxy participant A as API participant J as Job K->>U: Bouton de suppression de lignes activate K U->>A: DELETE posbasket/removeLine A->>J: cineges.posbasket.removeLine J->>U: Notif + panier U->>H: CustomerDisplay: infos panier deactivate K