{
  "$id": "urn:mars:schema:v1:federation-breaker-state",
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "description": "Persisted circuit-breaker state exposed by protected peer status APIs.",
  "oneOf": [
    {
      "const": "closed",
      "description": "Requests may be attempted.",
      "type": "string"
    },
    {
      "const": "open",
      "description": "Requests are blocked until the durable cooldown elapses.",
      "type": "string"
    },
    {
      "const": "half_open",
      "description": "One probe may run after the cooldown.",
      "type": "string"
    },
    {
      "const": "quarantined",
      "description": "Operator quarantine blocks all traffic.",
      "type": "string"
    }
  ],
  "title": "FederationBreakerState"
}