Fix snapstart scope issue (#2253)

* Fix snapstart scope issue

* add dev config

Author: GarrettBeatty

.autover/changes/6ecba481-6957-4fd3-a562-dcf8676ab88d.json

@@ -0,0 +1,18 @@
+{
+  "Projects": [
+    {
+      "Name": "Amazon.Lambda.AspNetCoreServer",
+      "Type": "Patch",
+      "ChangelogMessages": [
+        "Fix scoped service resolution in SnapStart warmup requests"
+      ]
+    },
+    {
+      "Name": "Amazon.Lambda.AspNetCoreServer.Hosting",
+      "Type": "Patch",
+      "ChangelogMessages": [
+        "Fix scoped service resolution in SnapStart warmup requests"
+      ]
+    }
+  ]
+}

Libraries/src/Amazon.Lambda.AspNetCoreServer/AbstractAspNetCoreFunction.cs

@@ -320,9 +320,14 @@ private void AddRegisterBeforeSnapshot()
 
                     for (var i = 0; i < invokeTimes; i++)
                     {
+                        // Create a scope to properly handle scoped services (e.g., IAuthenticationHandlerProvider)
+                        // This matches the behavior in FunctionHandlerAsync and prevents InvalidOperationException
+                        // when resolving scoped services in Development mode where scope validation is enabled.
+                        using var scope = _hostServices.CreateScope();
+
                         InvokeFeatures features = new InvokeFeatures();
                         (features as IItemsFeature).Items = new Dictionary<object, object>();
-                        (features as IServiceProvidersFeature).RequestServices = _hostServices;
+                        (features as IServiceProvidersFeature).RequestServices = scope.ServiceProvider;
 
                         MarshallRequest(features, request, new SnapStartEmptyLambdaContext());