overlay: 1.0.0
info:
  title: ES·pera API Evangelist enrichment overlay
  version: 1.0.0
extends: ../openapi/es-pera-openapi.json
x-provenance:
  generated: '2026-09-13'
  method: generated
  source: >-
    Derived enrichments over the fetched first-party spec (openapi/es-pera-openapi.json).
    Does not mutate the original; captures API Evangelist annotations only.
actions:
  - target: $.info
    description: Record open, unauthenticated read-only access and free open-data licensing posture.
    update:
      x-authentication: none
      x-access: public-read-only
      x-pricing: free
      x-http-methods: [GET, HEAD]
  - target: $.info
    description: Note the RFC 9727 API catalog discovery document.
    update:
      x-api-catalog: https://es-pera.org/.well-known/api-catalog
      x-llms-txt: https://es-pera.org/llms.txt
      x-agent-skills-index: https://es-pera.org/.well-known/agent-skills/index.json
  - target: $.paths['/waiting/observations'].get
    description: Flag the stricter 20/min sub-limit on this endpoint.
    update:
      x-rate-limit: '20;w=60 (within the global 120;w=60)'
  - target: $.paths['/waiting/facets'].get
    description: Flag the stricter 20/min sub-limit on this endpoint.
    update:
      x-rate-limit: '20;w=60 (within the global 120;w=60)'
  - target: $.components.schemas.Error
    description: Note that the error envelope is a custom shape, not RFC 9457 problem+json.
    update:
      x-error-format: custom
      x-rfc9457: false