{"status":"success","data":{"generatedAt":"2026-05-13T15:52:45.026Z","version":"2026-03-11.v1","entries":[{"date":"2026-03-11","contractVersion":"2026-03-11.v1","changeType":"minor","description":"Initial public machine-readable catalog contract with listings, facets, ontology, and changelog endpoints."}],"compatibilityRules":{"additiveChangesAllowed":true,"breakingChangesRequireVersionBump":true,"breakingChangeExamples":["field-rename","field-removal","type-change"]}},"message":"Machine-readable contract changelog retrieved successfully","timestamp":"2026-05-13T15:52:45.026Z"}