Added a home page prompt for missing API keys of enterprise providers (#1056)

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

app/Tests/Tools/EnterpriseManagedSecretsTests.cs

@@ -0,0 +1,44 @@
+using AIStudio.Provider;
+using AIStudio.Tools.Services;
+
+namespace AIStudio.Tests.Tools;
+
+/// <summary>
+/// Checks which secrets AI Studio removes from the OS keyring when an organization changes its encryption secret.
+/// </summary>
+/// <remarks>
+/// Only what the configuration of the organization brought along goes, since the next start of the configuration
+/// stores it again with the new secret. A key the user entered for a provider which allows it has no such way
+/// back: removing it made every user enter the key once more, and the home page asked them all again.
+/// </remarks>
+[TestFixture]
+public sealed class EnterpriseManagedSecretsTests
+{
+    private static readonly Guid PLUGIN_ID = new("44444444-4444-4444-4444-444444444444");
+
+    [Test]
+    public void TheKeyOfTheOrganizationGoes()
+    {
+        Assert.That(EnterpriseEnvironmentService.HoldsSecretOfTheOrganization(ProviderOfTheOrganization()), Is.True);
+    }
+
+    [Test]
+    public void TheKeyTheUserEnteredStays()
+    {
+        Assert.That(EnterpriseEnvironmentService.HoldsSecretOfTheOrganization(ProviderOfTheOrganization() with { AllowUserProvidedAPIKey = true }), Is.False);
+    }
+
+    [Test]
+    public void TheKeyTheHomePageAskedForStays()
+    {
+        Assert.That(EnterpriseEnvironmentService.HoldsSecretOfTheOrganization(ProviderOfTheOrganization() with { AllowUserProvidedAPIKey = true, PromptForUserAPIKey = true }), Is.False);
+    }
+
+    [Test]
+    public void AProviderOfTheUsersOwnIsNoConcernOfTheOrganization()
+    {
+        Assert.That(EnterpriseEnvironmentService.HoldsSecretOfTheOrganization(new AIStudio.Settings.Provider(1, Guid.NewGuid().ToString(), "My own provider", LLMProviders.OPEN_AI, new Model("gpt-6", "GPT-6"))), Is.False);
+    }
+
+    private static AIStudio.Settings.Provider ProviderOfTheOrganization() => new(1, Guid.NewGuid().ToString(), "Provider of the organization", LLMProviders.OPEN_AI, new Model("gpt-6", "GPT-6"), IsEnterpriseConfiguration: true, EnterpriseConfigurationPluginId: PLUGIN_ID);
+}