*
     * @return the session timeout in minutes
     */
    protected int getSessionTimeoutMinutes() {
        final int value = ComponentUtil.getFessConfig().getRagChatSessionTimeoutMinutesAsInteger();
        if (value <= 0) {
            logger.warn("Invalid session timeout: {}. Using default: 30", value);
            return 30;
        }
        return value;
    }

    /**