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/Routing/RouteResolutionResult.cs

@@ -0,0 +1,35 @@
+namespace EmbedIO.Routing
+{
+    /// <summary>
+    /// Represents the outcome of resolving a context and a path against a route.
+    /// </summary>
+    public enum RouteResolutionResult
+    {
+        /* DO NOT reorder members!
+         * RouteNotMatched < NoHandlerSelected < NoHandlerSuccessful < Success
+         *
+         * See comments in RouteResolverBase<,>.ResolveAsync for further explanation.
+         */
+
+        /// <summary>
+        /// The route didn't match.
+        /// </summary>
+        RouteNotMatched,
+
+        /// <summary>
+        /// The route did match, but no registered handler was suitable for the context.
+        /// </summary>
+        NoHandlerSelected,
+
+        /// <summary>
+        /// The route matched and one or more suitable handlers were found,
+        /// but none of them returned <see langword="true"/>.
+        /// </summary>
+        NoHandlerSuccessful,
+
+        /// <summary>
+        /// The route has been resolved.
+        /// </summary>
+        Success,
+    }
+}