def test_server_sent_event_float_retry_rejected():
    with pytest.raises(ValueError):
        ServerSentEvent(data="test", retry=1.5)  # type: ignore[arg-type]


def test_raw_data_sent_without_json_encoding(client: TestClient):
    """raw_data is sent as-is, not JSON-encoded."""
    response = client.get("/items/stream-raw")
    assert response.status_code == 200
    text = response.text