@if (Deltas == null)
{
 <MButton OnClick="() => MessageChanged.InvokeAsync(Message.NewUserMsg(null))">NewUserMsg</MButton>
 <MButton OnClick="() => MessageChanged.InvokeAsync(Message.NewSystemMsg(null))">NewSystemMsg</MButton>
 <MButton OnClick="() => MessageChanged.InvokeAsync(Message.NewAssistantMsg(null))">NewAssistantMsg</MButton>
 <MButton OnClick="() => MessageChanged.InvokeAsync(new MessageTool(null, null))">MessageTool</MButton>
 <MButton OnClick=" Response ">From API</MButton>
}
else
{
 @foreach (var item in Delta)
 {
 <text>@item.ReasoningContent</text>
 }
 <MDivider />
 @foreach (var item in Delta)
 {
 <text>@item.Content</text>
 }
 <MDivider />
 @foreach (var item in Delta)
 {
 <text>@item.ToolCalls?[0]</text>
 }
}
@code {
 [Inject]
 DeepSeekApiClient ds { get; init; }
 ChatResponseDelta<ChoiceDelta>? Deltas = null;
 List<MessageAssistant> Delta = [];
 async Task Response()
 {
 Deltas = await ds.ChatStreamAsync();
 
 var c = Observable.Interval(TimeSpan.FromMilliseconds(1)).ToAsyncEnumerable(); 
 await foreach (var item in Deltas.Zip(c, (a, b) => a))
 {
 await Task.Delay(1);
 Delta.Add(item.Delta);
 StateHasChanged();
 }
 await MessageChanged.InvokeAsync((await Deltas).Choices[0].Message);
 }
 [Parameter]
 public EventCallback<Message?>
 MessageChanged
 { get; set; }
}