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REST services, OpenAPI contracts, and BFF boundaries with fail-closed authorization — contract-first, no silent mismatch.
APIs without explicit contracts
need for BFF or middleware for security boundary
integration with existing services without casting mismatches away
session and capability enforcement that UI alone cannot fake
interface contract (OpenAPI)
server middleware and route handlers
runtime contract validation
delivery documentation and known limitations
production DB migration without approved plan
real payments without provider and scoped approval
claiming staging verification without a real staging environment
Backend work emphasizes contract truth, least privilege, and honest integration status — mocks are never production.
Register the need with UNX Code — selection and activation stay operator-owned.