Улучшения, теперь работает http и grpc

Но ещё требуется ревью и чистка

src/ApiClient/Http/HttpSmsClient.cs

@@ -38,9 +38,11 @@ public sealed class HttpSmsClient : ISmsClient, IDisposable
     {
         var request = new SendOrderApiRequest
         {
-            CommandParameters = new SendOrderParameters(
-                order.Id.ToString(),
-                order.Items.ToList()),
+            CommandParameters = new SendOrderParameters
+            {
+                OrderId = order.Id.ToString(),
+                MenuItems = order.Items.ToList(),
+            },
         };
 
         var response = await SendAsync(request, cancellationToken);
@@ -66,7 +68,30 @@ public sealed class HttpSmsClient : ISmsClient, IDisposable
         }
 
         var responseJson = await httpResponse.Content.ReadAsStringAsync(cancellationToken);
-        return ApiResponseDeserializer.Deserialize(responseJson);
+
+        if (string.IsNullOrWhiteSpace(responseJson))
+        {
+            return new ApiResponse
+            {
+                Command = request.Command,
+                Success = false,
+                ErrorMessage = $"Пустой ответ сервера (HTTP {(int)httpResponse.StatusCode}).",
+            };
+        }
+
+        try
+        {
+            return ApiResponseDeserializer.Deserialize(responseJson);
+        }
+        catch (JsonException)
+        {
+            return new ApiResponse
+            {
+                Command = request.Command,
+                Success = false,
+                ErrorMessage = $"Некорректный JSON в ответе (HTTP {(int)httpResponse.StatusCode}): {responseJson}",
+            };
+        }
     }
 
     private static GetMenuApiResponse ToGetMenuResponse(ApiResponse response) =>