{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/sakura-internet/main/json-schema/sakura-internet-chat-completion-request-system-message-schema.json",
  "title": "System message",
  "description": "モデルに対する開発者からの指示メッセージ。",
  "x-generated": "2026-10-09",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/sakura-internet-ai-engine-inference-openapi.yml#/components/schemas/ChatCompletionRequestSystemMessage",
  "type": "object",
  "required": [
    "content",
    "role"
  ],
  "properties": {
    "content": {
      "description": "メッセージの内容",
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "array",
          "items": {
            "$ref": "#/$defs/ChatCompletionRequestSystemMessageContentPart"
          },
          "minItems": 1
        }
      ]
    },
    "role": {
      "type": "string",
      "description": "メッセージの発言者の役割。",
      "enum": [
        "system"
      ]
    }
  },
  "$defs": {
    "ChatCompletionRequestMessageContentPartText": {
      "type": "object",
      "description": "テキストコンテンツ。",
      "properties": {
        "type": {
          "type": "string",
          "enum": [
            "text"
          ]
        },
        "text": {
          "type": "string",
          "description": "メッセージの内容。"
        }
      },
      "required": [
        "type",
        "text"
      ]
    },
    "ChatCompletionRequestSystemMessageContentPart": {
      "anyOf": [
        {
          "$ref": "#/$defs/ChatCompletionRequestMessageContentPartText"
        }
      ]
    }
  }
}