{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/ReasoningStartedEvent",
  "title": "ReasoningStartedEvent",
  "description": "Reasoning started event (type: \"response.reasoning.started\").\nSignals the model has started reasoning/searching.\n",
  "properties": {
    "sequence_number": {
      "description": "Monotonically increasing sequence number for event ordering",
      "format": "int64",
      "type": "integer"
    },
    "thought": {
      "type": "string"
    },
    "type": {
      "$ref": "#/components/schemas/EventType"
    }
  },
  "required": [
    "type",
    "sequence_number"
  ],
  "type": "object"
}