feat: 유효하지 않은 상태 전이 차단을 위한 결제 상태 머신 추가#419

soyeon1806 merged 1 commit into

devprgrms-web-devcourse-final-project/WEB2_3_CUBE_BE:devfrom

fix/payment-state-machineprgrms-web-devcourse-final-project/WEB2_3_CUBE_BE:fix/payment-state-machineCopy head branch name to clipboard