Don't convert date-looking strings to DateTime when deserializing untyped JSON; use decimal as the base numeric type for untyped JSON numbers, better matching Seq's internal representation.

Author: nblumhardt

src/Seq.Api/Client/SeqApiClient.cs

@@ -48,7 +48,9 @@ public sealed class SeqApiClient : IDisposable
         readonly JsonSerializer _serializer = JsonSerializer.Create(
             new JsonSerializerSettings
             {
-                Converters = { new StringEnumConverter(), new LinkCollectionConverter() }
+                Converters = { new StringEnumConverter(), new LinkCollectionConverter() },
+                DateParseHandling = DateParseHandling.None,
+                FloatParseHandling = FloatParseHandling.Decimal
             });
 
         /// <summary>