Ethereum — remote signing api rules

# harvested from https://github.com/ethereum/remote-signing-api/blob/44e9e0dcc115c91f8b739684f4789a8310476bd9/.spectral.yml on 2026-10-09 — a Spectral ruleset published in the provider's own GitHub repository (ethereum/remote-signing-api); found by GitHub code search, fetched verbatim
x-method: harvested
x-stamped: 2026-10-09
x-source-url: https://github.com/ethereum/remote-signing-api/blob/44e9e0dcc115c91f8b739684f4789a8310476bd9/.spectral.yml
extends: [["spectral:oas", "all"]]
formats: ["oas3"]
rules:
  operation-singular-tag: off
  oas3-parameter-description: off
  contact-properties: off
  operation-tags: error
  openapi-tags-alphabetical: error
  operation-tag-defined: error
  paths-snake-case:
    description: All YAML paths MUST follow snake-case
    severity: warn
    recommended: true
    message: "path is not snake-case: {{error}}"
    given: $.paths[*]~
    then:
      function: pattern
      functionOptions:
        match: "^\/([a-z0-9]+(_[a-z0-9]+)*)?(\/[a-z0-9]+(_[a-z0-9]+)*|\/{.+})*$"
  parameters-snake-case-alphanumeric:
    description: Path parameters MUST follow snake case
    severity: error
    recommended: true
    message: "{{property}} parameter is not snake case: {{error}}"
    given: $..parameters[?(@.in == 'path' || @.in == 'query')].name
    then:
      function: pattern
      functionOptions:
        match: "^[a-z][_a-z0-9]+$"

  oas3-request-support-json:
    description: Every request MUST support `application/json` media type
    formats:
      - oas3
    recommended: true
    severity: error
    message: "{{description}}: {{error}}"
    given: $.paths.[*].requestBody.content[?(@property.indexOf('json') === -1)]^
    then:
      function: falsy