Permissions.cs

var session = await client.CreateSessionAsync(new SessionConfig
{
    Model = "gpt-4.1",
    OnPermissionRequest = async (request, invocation) =>
    {
        // Approve read operations automatically, prompt for anything else
        if (request.Kind == "read")
            return new PermissionRequestResult() {Kind=PermissionRequestResultKind.Approved };

        Console.WriteLine("Agent wants to perform: {request.Kind} — {request.Description}");
        Console.Write("Approve? (y/n): ");
        var answer = Console.ReadLine();

        return answer?.ToLower() == "y"
          ? new PermissionRequestResult() {Kind=PermissionRequestResultKind.Approved }
          : new PermissionRequestResult() {Kind=PermissionRequestResultKind.UserNotAvailable };
    }
});