如何在SwiftUI macOS中创建first responder

import SwiftUI
import UIKit

struct FirstResponderTextField: UIViewRepresentable {
    class Coordinator: NSObject, UITextFieldDelegate {
        @Binding var text: String

        init(text: Binding<String>) {
            _text = text
        }

        func textFieldDidChangeSelection(_ textField: UITextField) {
            text = textField.text ?? ""
        }
    }

    @Binding var text: String

    func makeUIView(context: Context) -> UITextField {
        let textField = UITextField()
        textField.delegate = context.coordinator
        return textField
    }

    func updateUIView(_ uiView: UITextField, context: Context) {
        uiView.text = text
    }

    func makeCoordinator() -> Coordinator {
        return Coordinator(text: $text)
    }
}

struct ContentView: View {
    @State private var inputText = ""

    var body: some View {
        VStack {
            FirstResponderTextField(text: $inputText)
                .frame(width: 200, height: 30)
                .textFieldStyle(RoundedBorderTextFieldStyle())
            
            Text("Input: \(inputText)")
        }
        .padding()
        .onAppear {
            DispatchQueue.main.async {
                NSApp.activate(ignoringOtherApps: true)
                NSApp.keyWindow?.makeFirstResponder(nil)
                NSApp.keyWindow?.makeFirstResponder(FirstResponderTextField)
            }
        }
    }
}