HttpExtensions

using System.Net.Http.Json;using System.Text.Json;​namespace Agent.Core.Ollama;​public static class HttpExtensions{    public static HttpRequestMessage JsonRequest<T>(string url, T body) =>        new(HttpMethod.Post, url) { Content = JsonContent.Create(body) };​    public static T? Deserialize<T>(this string json) =>        JsonSerializer.Deserialize<T>(json);​    public static async Task<bool> IsReachableAsync(this HttpClient http, string url)    {        try        {            HttpResponseMessage response = await http.GetAsync(url);            return response.IsSuccessStatusCode;        }        catch        {            return false;        }    }​    public static async IAsyncEnumerable<string> ReadStreamLinesAsync(this HttpClient http, HttpRequestMessage request)    {        using HttpResponseMessage response = await http.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);        response.EnsureSuccessStatusCode();        using Stream stream = await response.Content.ReadAsStreamAsync();        using StreamReader reader = new(stream);        while (!reader.EndOfStream)        {            string? line = await reader.ReadLineAsync();            if (!string.IsNullOrWhiteSpace(line))            {                yield return line;            }        }    }}​