Got at least one data fetching method working; turns out, we can't use a patched LogicStack to get the data

Vendor/EmbedIO-3.5.2/WebServer-Constants.cs

@@ -0,0 +1,49 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+
+namespace EmbedIO
+{
+    partial class WebServer
+    {
+        /// <summary>
+        /// <para>The size, in bytes,of buffers used to transfer contents between streams.</para>
+        /// <para>The value of this constant is the same as the default used by the
+        /// <see cref="Stream.CopyToAsync(Stream)"/> method. For the reasons why this value was chosen, see
+        /// <see href="https://referencesource.microsoft.com/#mscorlib/system/io/stream.cs,50">.NET Framework reference source</see>.</para>
+        /// </summary>
+        public const int StreamCopyBufferSize = 81920;
+
+        /// <summary>
+        /// <para>The scheme of <see cref="NullUri"/>.</para>
+        /// </summary>
+        public const string UriSchemeNull = "null";
+
+        /// <summary>
+        /// The signature string included in <c>Server</c> response headers.
+        /// </summary>
+        public static readonly string Signature = "com.thequux.Stationeers.RemoteControl";
+
+        /// <summary>
+        /// <para>An <see cref="Encoding"/> that can be used to send UTF-8 responses without a byte order mark (BOM).</para>
+        /// <para>This is the default encoding used by <see cref="WebServer"/> and should be used instead of <see cref="Encoding.UTF8"/>
+        /// when specifying an encoding for <see cref="HttpContextExtensions.OpenResponseText"/>.</para>
+        /// </summary>
+        public static readonly Encoding Utf8NoBomEncoding = new UTF8Encoding(false);
+
+        /// <summary>
+        /// <para>The default encoding that is both assumed for requests that do not specify an encoding,
+        /// and used for responses when an encoding is not specified.</para>
+        /// <para>This is the same as <see cref="Utf8NoBomEncoding"/>.</para>
+        /// </summary>
+        public static readonly Encoding DefaultEncoding = Utf8NoBomEncoding;
+
+        /// <summary>
+        /// <para>An <see cref="Uri"/> which cannot be equal to any HTTP / HTTP URI.</para>
+        /// <para>Used as the default value for non-nullable properties of type <see cref="Uri"/>.</para>
+        /// </summary>
+        public static readonly Uri NullUri = new ("null:");
+    }
+}