{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "definitions": {
    "TokenUsageBreakdown": {
      "properties": {
        "cacheWriteInputTokens": {
          "default": 0,
          "format": "int64",
          "type": "integer"
        },
        "cachedInputTokens": {
          "format": "int64",
          "type": "integer"
        },
        "inputTokens": {
          "format": "int64",
          "type": "integer"
        },
        "outputTokens": {
          "format": "int64",
          "type": "integer"
        },
        "reasoningOutputTokens": {
          "format": "int64",
          "type": "integer"
        },
        "totalTokens": {
          "format": "int64",
          "type": "integer"
        }
      },
      "required": [
        "cachedInputTokens",
        "inputTokens",
        "outputTokens",
        "reasoningOutputTokens",
        "totalTokens"
      ],
      "type": "object"
    }
  },
  "description": "Internal-only notification containing the exact usage from one upstream Responses API completion.",
  "properties": {
    "responseId": {
      "type": "string"
    },
    "threadId": {
      "type": "string"
    },
    "turnId": {
      "type": "string"
    },
    "usage": {
      "anyOf": [
        {
          "$ref": "#/definitions/TokenUsageBreakdown"
        },
        {
          "type": "null"
        }
      ]
    }
  },
  "required": [
    "responseId",
    "threadId",
    "turnId"
  ],
  "title": "RawResponseCompletedNotification",
  "type": "object"
}