issue: Native search_web citations unmappable — context block emits empty tags all named “search_web”

该报错发生在 Open WebUI 内置 search_web 工具配合原生函数调用(Native Function Calling)时,注入给模型的 上下文块全是空的、同名的标签,模型无法将 id 与实际搜索结果对应,导致引用混乱。优先排查 search_web 工具结果中是否缺少可映射的唯一标识






![[BUG] Gemini native provider never appends trailing user turn -> 400 'Requests ending with a model turn are not supported'](https://www.chat-gpts.plus/wp-content/uploads/2026/09/6984-b83b3d42-768x403.jpg)

