session.addAssistantMessage("Message 2");
        assertEquals(2, session.getMessageCount());

        final LocalDateTime beforeClear = session.getLastAccessedAt();
        session.clearMessages();

        assertEquals(0, session.getMessageCount());
        assertTrue(session.getLastAccessedAt().isAfter(beforeClear) || session.getLastAccessedAt().isEqual(beforeClear));
    }

    @Test

                    sessionUserId);
            return false;
        }
        session.touch();
        session.clearMessages();
        if (logger.isDebugEnabled()) {
            logger.debug("Session cleared. sessionId={}, userId={}", sessionId, userId);
        }
        return true;
    }

    /**