Added a provider selection component for the settings page to let the user, e.g., preselect a provider for a certain area

app/MindWork AI Studio/Components/Blocks/ConfigurationProviderSelection.razor

@@ -0,0 +1 @@
+<ConfigurationSelect OptionDescription="Preselected provider" OptionHelp="Select a provider that is preselected." Data="@this.Data" SelectedValue="@this.SelectedValue" SelectionUpdate="@this.SelectionUpdate"/>

app/MindWork AI Studio/Components/Blocks/ConfigurationProviderSelection.razor.cs

@@ -0,0 +1,68 @@
+using AIStudio.Settings;
+using AIStudio.Tools;
+
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Components.Blocks;
+
+public partial class ConfigurationProviderSelection : ComponentBase, IMessageBusReceiver
+{
+    [Parameter]
+    public Func<string> SelectedValue { get; set; } = () => string.Empty;
+    
+    [Parameter]
+    public Action<string> SelectionUpdate { get; set; } = _ => { };
+
+    [Parameter]
+    public IEnumerable<ConfigurationSelectData<string>> Data { get; set; } = new List<ConfigurationSelectData<string>>();
+    
+    [Inject]
+    private SettingsManager SettingsManager { get; init; } = null!;
+    
+    [Inject]
+    private MessageBus MessageBus { get; init; } = null!;
+
+    #region Overrides of ComponentBase
+
+    protected override async Task OnParametersSetAsync()
+    {
+        // Register this component with the message bus:
+        this.MessageBus.RegisterComponent(this);
+        this.MessageBus.ApplyFilters(this, [], [ Event.CONFIGURATION_CHANGED ]);
+
+        await base.OnParametersSetAsync();
+    }
+
+    #endregion
+    
+    #region Implementation of IMessageBusReceiver
+
+    public async Task ProcessMessage<T>(ComponentBase? sendingComponent, Event triggeredEvent, T? data)
+    {
+        switch (triggeredEvent)
+        {
+            case Event.CONFIGURATION_CHANGED:
+                
+                if(string.IsNullOrWhiteSpace(this.SelectedValue()))
+                    break;
+                
+                // Check if the selected value is still valid:
+                if (this.Data.All(x => x.Value != this.SelectedValue()))
+                {
+                    this.SelectedValue = () => string.Empty;
+                    this.SelectionUpdate(string.Empty);
+                    await this.SettingsManager.StoreSettings();
+                }
+                
+                this.StateHasChanged();
+                break;
+        }
+    }
+
+    public Task<TResult?> ProcessMessageWithResult<TPayload, TResult>(ComponentBase? sendingComponent, Event triggeredEvent, TPayload? data)
+    {
+        return Task.FromResult<TResult?>(default);
+    }
+
+    #endregion
+}