The Footer crash (contact.paymentMethods undefined) was one instance of a class:
validateProviderData defaulted nested objects only when the whole object was
falsy, so a present-but-incomplete object from the degraded black-down edge left
nested arrays undefined and crashed every component that .map()s them.
Close the class:
- validateRateGroup: addOns/travelFees/touringPackages/onlineServices → entries[] always
- ensureRateSections: each rates section → entries[] always (RatesTable:239)
- ensureSectionsWithItems: etiquette/policies sections → items[] always (EtiquettePage, BookingGuide)
Add providerDataValidator.integration.test.ts: feeds the realistic degraded edge
payload through the validator and replays every component .map() call site,
asserting none can throw. Verified green (11/11) against the real validator.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2bc733cf82