Added the Model Comparison assistant for blind comparisons of two models (#1009)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Provider/ProviderIdentityExtensions.cs

@@ -0,0 +1,34 @@
+using AIStudio.Tools.PluginSystem;
+
+namespace AIStudio.Provider;
+
+/// <summary>
+/// How messages to the user name a provider and its model, see IProvider.HidesIdentity.
+/// </summary>
+public static class ProviderIdentityExtensions
+{
+    private static string TB(string fallbackEN) => I18N.I.T(fallbackEN, typeof(ProviderIdentityExtensions).Namespace, nameof(ProviderIdentityExtensions));
+
+    /// <param name="provider">The provider of a request.</param>
+    extension(IProvider provider)
+    {
+        /// <summary>
+        /// The name of the provider in a message to the user: its instance name, or a neutral word while it hides
+        /// which provider it is.
+        /// </summary>
+        public string NameForUser => provider.HidesIdentity ? TB("hidden") : provider.InstanceName;
+
+        /// <summary>
+        /// The type of the provider in a message to the user, or a neutral word while it hides which provider it is.
+        /// </summary>
+        public string TypeForUser => provider.HidesIdentity ? TB("hidden") : provider.Provider.ToString();
+
+        /// <summary>
+        /// Gets the name of a model in a message to the user, or a neutral word while the provider hides which
+        /// provider it is.
+        /// </summary>
+        /// <param name="model">The model of the request.</param>
+        /// <returns>The name of the model to show.</returns>
+        public string ModelNameForUser(Model model) => provider.HidesIdentity ? TB("hidden") : model.Id;
+    }
+}