/api/cashloan/supplementStepsFinished
【false】等待用户点击借款（试算页）
cash-loan后端
降息卡流程
APP
支付成功 && /v2/cash-loan/front-create-order
/api/loan/reTrialV3
ROUTE_ERROR|| 抛异常提示
/api/cashloan/unfinishedupplementSteps
逻辑分支
/api/loan/canCreateOrder
/api/cashloan/memberRepayNeedVerification && /api/cashloan/memberRepayWithVerification
ROUTE_ERROR|| 抛异常回到APP首页
无可借产品/试算页
/api/loan/trialV3
authSuccessapp执行后续步骤
【补充资料】强制阅读 or 活体 or 上传身份证
【true】/api/cashloan/createOrder
点击借款（试算页）
/v2/cash-loan/third-part/trial-bind-card
/v2/cash-loan/member/interest-cut-card
先用后付/立即支付
/v2/cash-loan/third-part/step-query
WEB
立即支付
发起借款
用户A
/api/cashloan/createOrder
补充资料
【补充资料绑卡】1./api/cashloan/getBindCardContext2./api/cashloan/preBindForInternalPay3./api/cashloan/bindForInternalPay4./api/loan/preBindForFunding5./api/loan/bindForFunding
