模型
创建会话条目
向会话追加 items。
先调用「创建对话」拿到 conv_ 开头的 ID，替换 conv_123。
POST
/model/v1/conversations/{conversation_id}/items● 支持请求参数
conversation_idstring必填path: Id of the conversation, the `id` of the object returned by createConversation (it looks like conv_...). Another tenant's conversation, an unknown id and a deleted conversation all answer 404 conversation_not_found.
itemsarray必填Items to append, between 1 and 20 per request. Router support (supported): Verified to take effect.
已验证生效。
返回
200 list
向一个会话追加 items（一次最多 20 条），返回刚追加的这些 items。
鉴权、限流、参数校验等平台错误按 problem+json 返回；OCR 的错误也为 problem+json，其它模型调用的错误按该端点所属格式（OpenAI 或 Anthropic）返回，参见 错误码
响应
HTTP 200
The items just added
application/json
| 名称 | 类型 | 说明 |
|---|---|---|
| object | string | Object type; always `list`. |
| data | array<object> | Items of the conversation, in the order the list requested. |
| first_id | string | Id of the first item of this page; null for an empty page. |
| last_id | string | Id of the last item of this page; null for an empty page. |
| has_more | boolean | Whether more items exist beyond this page; pass `last_id` as `after` to read them. |