Vault-backed RSA key management for the jEAP JWE starter: transit key export, in-memory key cache,
refresh and key-store abstraction. Depends only on Spring Cloud Vault, not on jeap-vault-starter.
Spring Boot 3 (jakarta / Java 21) HashiCorp Vault adapter: zero-infrastructure secret custody backed by spring-cloud-vault. An EnvironmentPostProcessor injects sane spring.cloud.vault.* defaults and the vault:// config import so consumers only set ...