Added the BeyondFacts Lab as a prototype (#1175)

app/MindWork AI Studio/Dialogs/Settings/SettingsDialogBeyondFactsLab.razor

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+@using AIStudio.Settings
+@inherits SettingsDialogBase
+
+<MudDialog>
+    <TitleContent>
+        <MudText Typo="Typo.h6" Class="d-flex align-center">
+            <MudIcon Icon="@Icons.Material.Filled.RecordVoiceOver" Class="mr-2"/>
+            @T("Assistant: BeyondFacts Lab Options")
+        </MudText>
+    </TitleContent>
+    <DialogContent>
+        <MudPaper Class="pa-3 mb-8 border-dashed border rounded-lg">
+            <ConfigurationSelect OptionDescription="@T("Form of address")" SelectedValue="@(() => this.SettingsManager.ConfigurationData.BeyondFactsLab.AddressForm)" Data="@ConfigurationSelectDataFactory.GetBeyondFactsLabAddressFormData()" SelectionUpdate="@(value => this.SettingsManager.ConfigurationData.BeyondFactsLab.AddressForm = value)" OptionHelp="@T("How the lab addresses you in languages with a formal and an informal address, such as German.")" IsLocked="() => ManagedConfiguration.TryGet(x => x.BeyondFactsLab, x => x.AddressForm, out var meta) && meta.IsLocked"/>
+            <ConfigurationSelect OptionDescription="@T("Select a minimum confidence level")" SelectedValue="@this.SelectedMinimumConfidence" Data="@ConfigurationSelectDataFactory.GetBeyondFactsLabConfidenceLevelsData(this.SettingsManager)" SelectionUpdate="@(value => this.SettingsManager.ConfigurationData.BeyondFactsLab.MinimumProviderConfidence = value)" OptionHelp="@T("Your preparations usually contain unpublished research. Therefore, the lab accepts only providers with at least medium confidence. You can raise this minimum, e.g., to use only self-hosted models.")" IsLocked="() => ManagedConfiguration.TryGet(x => x.BeyondFactsLab, x => x.MinimumProviderConfidence, out var meta) && meta.IsLocked"/>
+            <ConfigurationProviderSelection Component="Components.BEYOND_FACTS_LAB_ASSISTANT" Data="@this.AvailableLLMProviders" SelectedValue="@(() => this.SettingsManager.ConfigurationData.BeyondFactsLab.PreselectedProvider)" SelectionUpdate="@(value => this.SettingsManager.ConfigurationData.BeyondFactsLab.PreselectedProvider = value)" IsLocked="() => ManagedConfiguration.TryGet(x => x.BeyondFactsLab, x => x.PreselectedProvider, out var meta) && meta.IsLocked"/>
+        </MudPaper>
+    </DialogContent>
+    <DialogActions>
+        <MudButton OnClick="@this.Close" Variant="Variant.Filled">@T("Close")</MudButton>
+    </DialogActions>
+</MudDialog>

app/MindWork AI Studio/Dialogs/Settings/SettingsDialogBeyondFactsLab.razor.cs

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+using AIStudio.Provider;
+
+namespace AIStudio.Dialogs.Settings;
+
+/// <summary>
+/// Provides the code-behind type for the settings of the BeyondFacts Lab.
+/// </summary>
+public partial class SettingsDialogBeyondFactsLab : SettingsDialogBase
+{
+    /// <summary>
+    /// Shows the minimum confidence which applies, never one below the floor of the lab.
+    /// </summary>
+    /// <remarks>
+    /// A value below the floor, e.g., from a configuration plugin, has no effect, and the list does not
+    /// offer it either. Showing the floor instead tells what really counts.
+    /// </remarks>
+    private ConfidenceLevel SelectedMinimumConfidence() => Tools.Components.BEYOND_FACTS_LAB_ASSISTANT.MinimumConfidence(this.SettingsManager);
+}