=== Redis 에 무엇이 들어 있는가 ===
bff:session:sessions:8963b6de-3564-4775-9ccd-1ee9616b83ae
  총 키 수: 1

=== 세션 키의 내용 — refresh token 이 있는가 (Q3 검증 2번) ===
  키: bff:session:sessions:8963b6de-3564-4775-9ccd-1ee9616b83ae
  타입: hash
    필드: sessionAttr:SPRING_SECURITY_CONTEXT
    필드: sessionAttr:SPRING_SECURITY_SAVED_REQUEST
    필드: sessionAttr:SPRING_SECURITY_LAST_EXCEPTION
    필드: sessionAttr:org.springframework.security.oauth2.client.web.HttpSessionOAuth2AuthorizationRequestRepository.AUTHORIZATION_REQUEST
    필드: lastAccessedTime
    필드: maxInactiveInterval
    필드: creationTime

=== 필드 값에 토큰 문자열이 보이는가 ===
 1) "sessionAttr:SPRING_SECURITY_CONTEXT"
 2) "\xac\xed\x00\x05sr\x00=org.springframework.security.core.context.SecurityContextImpl\x00\x00\x00\x00\x00\x00\x02l\x02\x00\x01L\x00\x0eauthenticationt\x002Lorg/springframework/security/core/Authentication;xpsr\x00Sorg.springframework.security.oauth2.client.authentication.OAuth2AuthenticationToken\x00\x00\x00\x00\x00\x00\x02l\x02\x00\x02L\x00\x1eauthorizedClientRegistrationIdt\x00\x12Ljava/lang/String;L\x00\tprincipalt\x00:Lorg/springframework/security/oauth2/core/user/OAuth2User;xr\x00Gorg.springframework.security.authentication.AbstractAuthenticationToken\xd3\xaa(~nGd\x0e\x02\x00\x03Z\x00\rauthenticatedL\x00\x0bauthoritiest\x00\x16Ljava/util/Collection;L\x00\adetailst\x00\x12Ljava/lang/Object;xp\x01sr\x00&java.util.Collections$UnmodifiableList\xfc\x0f%1\xb5\xec\x8e\x10\x02\x00\x01L\x00\x04listt\x00\x10Ljava/util/List;xr\x00,java.util.Collect

=== TTL (Q3 검증 3번 — session TTL) ===
  TTL: 1772 초