THE REQUIREMENTCustomers book an appointment. Staff approve it.STANDARD WORKFLOWAI-assistedPROMPT“Build booking + approval.”generateFlow(brief)reviewChanges()testAcceptance()Generated output still needs review.Visual no-codeBooking formApproval ruleConfirmed reservationProve the hardest rule is supported.Custom developmentDomain logicif canApprove(user): reserve(slot) recordDecision()Explicit code, tests, and ownershipOwn the system and its upkeep.Prototype the hardest requirement before choosing the build route.