- recupere headers + body + attachments via ImapMailProvider::fetchMessage
- cache Symfony pool cache.app, cle mail_body_{md5(messageId)}, TTL 300s
- attachments serialises sans contenu binaire, avec downloadId base64url(messageDbId:partNumber)
- 503 si IMAP indisponible, 404 si message inconnu
- les tests read/flag ROLE_CLIENT/auth seront ajoutes en Task 10 (route deja existante)
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
- ApiResource MailSettings expose les operations Get + Patch sur /api/mail/configuration
- Provider + Processor relient le DTO a l'entite MailConfiguration (singleton)
- password en write-only (jamais retourne) + hasPassword en lecture
- chiffrement password via TokenEncryptor (sodium)
- securite ROLE_ADMIN sur les deux operations
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>