RequirementRequirements, the elements that satisfy or verify them, and how they depend on each other.Copy MarkdownView MarkdownThemeKohuKohu DarkDefaultPaying at checkoutCopy sourceOpen in Playground«contains»«derives»«satisfies»«verifies»online_payment«Requirement»IDREQ-1TextCustomers can pay for an orderonline.RiskHighVerificationTestcard_auth«Functional Requirement»IDREQ-1.1TextA card is authorized before the orderis confirmed.RiskHighVerificationTestauth_latency«Performance Requirement»IDREQ-1.1.1Text95% of authorizations finish within 2seconds.RiskMediumVerificationAnalysispayment_service«Element»Typeservicecheckout_e2e«Element»Typetest suiteResetting a passwordCopy sourceOpen in Playground«contains»«derives»«satisfies»«satisfies»account_recovery«Requirement»IDSEC-4TextUsers who forget a password canregain their account.RiskMediumVerificationDemonstrationreset_link«Functional Requirement»IDSEC-4.1TextA reset link is sent to the verified emailaddress.RiskMediumVerificationTestlink_expiry«Design Constraint»IDSEC-4.2TextA reset link works once and expiresafter 30 minutes.RiskHighVerificationInspectionauth_service«Element»TypeserviceA tide gauge buoyCopy sourceOpen in Playground«contains»«contains»«derives»«verifies»measure_tide«Requirement»IDBUOY-1TextThe buoy reports water level every 6minutes.RiskMediumVerificationTestaccuracy«Performance Requirement»IDBUOY-1.1TextLevel is accurate to 1 cm.RiskMediumVerificationTesttelemetry«Interface Requirement»IDBUOY-1.2TextReadings go out over LoRa.RiskLowVerificationInspectionmast«Physical Requirement»IDBUOY-1.2.1TextThe antenna is 1.5 m up.RiskHighVerificationAnalysissea_trial«Element»Typefield testDoc Reftrials/2026-03.mdPreviousQuadrant chartNextSankey