{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "definitions": {
    "LargeContentMode": {
      "oneOf": [
        {
          "description": "Preserve legacy behavior and embed large payloads directly in returned ThreadItems.",
          "enum": [
            "inline"
          ],
          "type": "string"
        },
        {
          "description": "Return metadata placeholders for large payloads and fetch bytes through `thread/item/content/read`.",
          "enum": [
            "deferred"
          ],
          "type": "string"
        }
      ]
    }
  },
  "properties": {
    "includeTurns": {
      "default": false,
      "description": "When true, include the traditional fully hydrated thread history: `thread.turns` is populated and each returned Turn has `itemsView: \"full\"`.\n\nWhen false, `thread/read` returns metadata only. Clients can page history separately with `thread/turns/list`, then hydrate individual summary turns with `thread/items/list`.",
      "type": "boolean"
    },
    "largeContent": {
      "anyOf": [
        {
          "$ref": "#/definitions/LargeContentMode"
        },
        {
          "type": "null"
        }
      ],
      "description": "Controls whether large item payloads, such as generated image bytes, are embedded in returned ThreadItems or replaced with deferred content references.\n\nDefaults to `inline` for compatibility. New clients that may load large histories should prefer `deferred` and fetch bytes on demand with `thread/item/content/read`."
    },
    "threadId": {
      "type": "string"
    }
  },
  "required": [
    "threadId"
  ],
  "title": "ThreadReadParams",
  "type": "object"
}