{
  "$schema": "https://json-structure.org/meta/extended/v0/#",
  "name": "ChatChoice",
  "type": "object",
  "description": "A single completion choice in the response.",
  "properties": {
    "index": {
      "type": "int32",
      "description": "Index of this choice."
    },
    "message": {
      "type": "string"
    },
    "finish_reason": {
      "type": "string",
      "description": "Reason the generation stopped."
    }
  }
}