- cwmp_middleware: log XML brut recu (bodyPreview 500 chars), contentType, bodyLength, et message extrait (type, cwmpVersion, cwmpId, messageKeys) + log body vide (CPE polling) - cwmp_logger_middleware: log XML pretty-print complet CPE->ACS et ACS->CPE en debug, independamment du statut trace - cwmp_controller: log routage message (messageType), InformResponse, TransferCompleteResponse, reponses state machine avec longueur