Got adding working again

Toolkit.Foundation/AggerateEventArgs.cs

@@ -1,12 +1,31 @@
 namespace Toolkit.Foundation;
 
-public record AggerateEventArgs<TValue> : 
+public record Aggerate
+{
+    public static AggerateEventArgs<TValue, TOptions> With<TValue, TOptions>(TOptions options) where TOptions : class
+    {
+        return new AggerateEventArgs<TValue, TOptions>(options);
+    }
+
+    public static AggerateEventArgs<TValue> With<TValue>()
+    {
+        return new AggerateEventArgs<TValue>();
+    }
+}
+
+public record AggerateEventArgs<TValue, TOptions>(TOptions? Options = null) :
+    IAggerate
+    where TOptions : class
+{
+    public object? Key { get; init; }
+
+    public AggerateMode Mode { get; init; }
+}
+
+public record AggerateEventArgs<TValue> :
     IAggerate
 {
     public object? Key { get; init; }
 
-    public static Aggerate<TValue, TOptions> With<TOptions>(TOptions options) where TOptions : class
-    {
-        return new Aggerate<TValue, TOptions>(options);
-    }
+    public AggerateMode Mode { get; init; }
 }