ai-python-ui-adapter

Frontend:

const chat = useChat({
  transport: new DefaultChatTransport({ api: "/api/chat" }),
  sendAutomaticallyWhen: lastAssistantMessageIsCompleteWithApprovalResponses,
});

Use chat.sendMessage(...) to send user input. Use chat.addToolApprovalResponse(...) from approval buttons.

Backend request:

class ChatRequest(pydantic.BaseModel):
    messages: list[ai.ui.ai_sdk.UIMessage]