Implemented the retrieval process configuration

app/MindWork AI Studio/Assistants/ERI/AssistantERI.razor

@@ -201,6 +201,44 @@
     Data retrieval settings
 </MudText>
 
+<MudText Typo="Typo.body1" Class="mb-2">
+    For your ERI server, you need to retrieve data that matches a chat or prompt in some way. We call this the retrieval process.
+    You must describe at least one such process. You may offer several retrieval processes from which users can choose. This allows
+    you to test with beta users which process works better. Or you might generally want to give users the choice so they can select
+    the process that best suits their circumstances.
+</MudText>
+
+<MudTable Items="@this.retrievalProcesses" Hover="@true" Class="border-dashed border rounded-lg">
+    <ColGroup>
+        <col/>
+        <col style="width: 34em;"/>
+    </ColGroup>
+    <HeaderContent>
+        <MudTh>Name</MudTh>
+        <MudTh Style="text-align: left;">Actions</MudTh>
+    </HeaderContent>
+    <RowTemplate>
+        <MudTd>@context.Name</MudTd>
+        <MudTd Style="text-align: left;">
+            <MudButton Variant="Variant.Filled" Color="Color.Info" StartIcon="@Icons.Material.Filled.Edit" Class="ma-2" OnClick="() => this.EditRetrievalProcess(context)">
+                Edit
+            </MudButton>
+            <MudButton Variant="Variant.Filled" Color="Color.Error" StartIcon="@Icons.Material.Filled.Delete" Class="ma-2" OnClick="() => this.DeleteRetrievalProcess(context)">
+                Delete
+            </MudButton>
+        </MudTd>
+    </RowTemplate>
+</MudTable>
+
+@if(this.retrievalProcesses.Count == 0)
+{
+    <MudText Typo="Typo.h6" Class="mt-3">No retrieval process configured yet.</MudText>
+}
+
+<MudButton Variant="Variant.Filled" Color="@Color.Primary" StartIcon="@Icons.Material.Filled.AddRoad" Class="mt-3 mb-6" OnClick="@this.AddRetrievalProcess">
+    Add Retrieval Process
+</MudButton>
+
 <MudText Typo="Typo.body1" Class="mb-1">
     You can integrate additional libraries. Perhaps you want to evaluate the prompts in advance using a machine learning method or analyze them with a text
     mining approach? Or maybe you want to preprocess images in the prompts? For such advanced scenarios, you can specify which libraries you want to use here.

app/MindWork AI Studio/Assistants/ERI/AssistantERI.razor.cs

@@ -64,6 +64,7 @@ public partial class AssistantERI : AssistantBaseCore
             this.selectedOperatingSystem = OperatingSystem.NONE;
             this.allowedLLMProviders = AllowedLLMProviders.NONE;
             this.embeddings = new();
+            this.retrievalProcesses = new();
             this.additionalLibraries = string.Empty;
         }
     }
@@ -92,6 +93,7 @@ public partial class AssistantERI : AssistantBaseCore
             this.selectedOperatingSystem = this.SettingsManager.ConfigurationData.ERI.PreselectedOperatingSystem;
             this.allowedLLMProviders = this.SettingsManager.ConfigurationData.ERI.PreselectedAllowedLLMProviders;
             this.embeddings = this.SettingsManager.ConfigurationData.ERI.PreselectedEmbeddingInfos;
+            this.retrievalProcesses = this.SettingsManager.ConfigurationData.ERI.PreselectedRetrievalInfos;
             this.additionalLibraries = this.SettingsManager.ConfigurationData.ERI.PreselectedAdditionalLibraries;
             return true;
         }
@@ -125,6 +127,7 @@ public partial class AssistantERI : AssistantBaseCore
         this.SettingsManager.ConfigurationData.ERI.PreselectedOperatingSystem = this.selectedOperatingSystem;
         this.SettingsManager.ConfigurationData.ERI.PreselectedAllowedLLMProviders = this.allowedLLMProviders;
         this.SettingsManager.ConfigurationData.ERI.PreselectedEmbeddingInfos = this.embeddings;
+        this.SettingsManager.ConfigurationData.ERI.PreselectedRetrievalInfos = this.retrievalProcesses;
         this.SettingsManager.ConfigurationData.ERI.PreselectedAdditionalLibraries = this.additionalLibraries;
         await this.SettingsManager.StoreSettings();
     }
@@ -146,6 +149,7 @@ public partial class AssistantERI : AssistantBaseCore
     private OperatingSystem selectedOperatingSystem = OperatingSystem.NONE;
     private AllowedLLMProviders allowedLLMProviders = AllowedLLMProviders.NONE;
     private List<EmbeddingInfo> embeddings = new();
+    private List<RetrievalInfo> retrievalProcesses = new();
     private string additionalLibraries = string.Empty;
     
     private string? ValidateServerName(string name)
@@ -460,6 +464,65 @@ public partial class AssistantERI : AssistantBaseCore
         this.embeddings.Remove(embeddingInfo);
         await this.AutoSave();
     }
+    
+    private async Task AddRetrievalProcess()
+    {
+        var dialogParameters = new DialogParameters<RetrievalProcessDialog>
+        {
+            { x => x.IsEditing, false },
+            { x => x.AvailableEmbeddings, this.embeddings },
+        };
+        
+        var dialogReference = await this.DialogService.ShowAsync<RetrievalProcessDialog>("Add Retrieval Process", dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult is null || dialogResult.Canceled)
+            return;
+
+        var addedRetrievalProcess = (RetrievalInfo)dialogResult.Data!;
+        this.retrievalProcesses.Add(addedRetrievalProcess);
+        await this.AutoSave();
+    }
+    
+    private async Task EditRetrievalProcess(RetrievalInfo retrievalInfo)
+    {
+        var dialogParameters = new DialogParameters<RetrievalProcessDialog>
+        {
+            { x => x.DataName, retrievalInfo.Name },
+            { x => x.DataDescription, retrievalInfo.Description },
+            { x => x.DataLink, retrievalInfo.Link },
+            { x => x.DataParametersDescription, retrievalInfo.ParametersDescription },
+            { x => x.DataEmbeddings, retrievalInfo.Embeddings?.ToHashSet() },
+            
+            { x => x.IsEditing, true },
+            { x => x.AvailableEmbeddings, this.embeddings },
+        };
+
+        var dialogReference = await this.DialogService.ShowAsync<EmbeddingMethodDialog>("Edit Retrieval Process", dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult is null || dialogResult.Canceled)
+            return;
+
+        var editedRetrievalProcess = (RetrievalInfo)dialogResult.Data!;
+        
+        this.retrievalProcesses[this.retrievalProcesses.IndexOf(retrievalInfo)] = editedRetrievalProcess;
+        await this.AutoSave();
+    }
+    
+    private async Task DeleteRetrievalProcess(RetrievalInfo retrievalInfo)
+    {
+        var dialogParameters = new DialogParameters
+        {
+            { "Message", $"Are you sure you want to delete the retrieval process '{retrievalInfo.Name}'?" },
+        };
+        
+        var dialogReference = await this.DialogService.ShowAsync<ConfirmDialog>("Delete Retrieval Process", dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult is null || dialogResult.Canceled)
+            return;
+        
+        this.retrievalProcesses.Remove(retrievalInfo);
+        await this.AutoSave();
+    }
 
     private async Task GenerateServer()
     {

app/MindWork AI Studio/Assistants/ERI/RetrievalInfo.cs

@@ -0,0 +1,18 @@
+namespace AIStudio.Assistants.ERI;
+
+/// <summary>
+/// Information about a retrieval process, which this data source implements.
+/// </summary>
+/// <param name="Name">The name of the retrieval process, e.g., "Keyword-Based Wikipedia Article Retrieval".</param>
+/// <param name="Description">A short description of the retrieval process. What kind of retrieval process is it?</param>
+/// <param name="Link">A link to the retrieval process's documentation, paper, Wikipedia article, or the source code. Might be null.</param>
+/// <param name="ParametersDescription">A dictionary that describes the parameters of the retrieval process. The key is the parameter name,
+/// and the value is a description of the parameter. Although each parameter will be sent as a string, the description should indicate the
+/// expected type and range, e.g., 0.0 to 1.0 for a float parameter.</param>
+/// <param name="Embeddings">A list of embeddings used in this retrieval process. It might be empty in case no embedding is used.</param>
+public readonly record struct RetrievalInfo(
+    string Name,
+    string Description,
+    string? Link,
+    Dictionary<string, string>? ParametersDescription,
+    List<EmbeddingInfo>? Embeddings);

app/MindWork AI Studio/Assistants/ERI/RetrievalParameter.cs

@@ -0,0 +1,14 @@
+namespace AIStudio.Assistants.ERI;
+
+public sealed class RetrievalParameter
+{
+    /// <summary>
+    /// The name of the parameter.
+    /// </summary>
+    public string Name { get; set; } = string.Empty;
+
+    /// <summary>
+    /// The description of the parameter.
+    /// </summary>
+    public string Description { get; set; } = string.Empty;
+}

app/MindWork AI Studio/Dialogs/RetrievalProcessDialog.razor

@@ -0,0 +1,213 @@
+@using AIStudio.Assistants.ERI
+@using MudExtensions
+<MudDialog>
+    <DialogContent>
+        <MudForm @ref="@this.form" @bind-IsValid="@this.dataIsValid" @bind-Errors="@this.dataIssues">
+
+            <MudText Typo="Typo.h5" Class="mb-3">
+                General Information
+            </MudText>
+
+            <MudText Typo="Typo.body1" Class="mb-3">
+                Please provide some general information about your retrieval process first. This data may be
+                displayed to the users.
+            </MudText>
+            
+            @* ReSharper disable once CSharpWarnings::CS8974 *@
+            <MudTextField
+                T="string"
+                @bind-Text="@this.DataName"
+                Label="Retrieval Process Name"
+                HelperText="The name of your retrieval process."
+                Class="mb-3"
+                Adornment="Adornment.Start"
+                AdornmentIcon="@Icons.Material.Filled.Label"
+                AdornmentColor="Color.Info"
+                Validation="@this.ValidateName"
+                Counter="26"
+                MaxLength="26"
+                Immediate="@true"
+                UserAttributes="@SPELLCHECK_ATTRIBUTES"
+            />
+
+            @* ReSharper disable once CSharpWarnings::CS8974 *@
+            <MudTextField
+                T="string"
+                @bind-Text="@this.DataDescription"
+                Label="Retrieval Process Description"
+                HelperText="A short description of the retrieval process."
+                Lines="3"
+                AutoGrow="@true"
+                MaxLines="6"
+                Immediate="@true"
+                Variant="Variant.Outlined"
+                Class="mb-3"
+                Adornment="Adornment.Start"
+                AdornmentIcon="@Icons.Material.Filled.Extension"
+                AdornmentColor="Color.Info"
+                Validation="@this.ValidateDescription"
+                UserAttributes="@SPELLCHECK_ATTRIBUTES"
+            />
+
+            @* ReSharper disable once CSharpWarnings::CS8974 *@
+            <MudTextField
+                T="string"
+                @bind-Text="@this.DataLink"
+                Label="Retrieval Process Link"
+                HelperText="A link to the retrieval process, e.g., the source code, the paper, it's Wikipedia page, etc. Make sense for common retrieval processes. Leave empty if not applicable."
+                Class="mb-6"
+                Adornment="Adornment.Start"
+                AdornmentIcon="@Icons.Material.Filled.Link"
+                AdornmentColor="Color.Info"
+                UserAttributes="@SPELLCHECK_ATTRIBUTES"
+            />
+
+            <MudText Typo="Typo.h5" Class="mb-3">
+                Retrieval Process Parameters
+            </MudText>
+
+            <MudText Typo="Typo.body1" Class="mb-3">
+                You may want to parameterize your retrieval process. However, this is optional. You can specify any
+                parameters that can be set by the user or the system during the call. Nevertheless, you should use
+                sensible default values in your code so that users are not forced to set the parameters manually.
+            </MudText>
+            
+            <MudStack Row="@true" Spacing="6" AlignItems="AlignItems.Start" StretchItems="StretchItems.None">
+                @* The left side of the stack is another stack to show the list *@
+                <MudStack Row="@false" AlignItems="AlignItems.Start" StretchItems="StretchItems.None">
+                    @if (this.retrievalParameters.Count > 0)
+                    {
+                        <MudList T="RetrievalParameter" Class="mb-1" @bind-SelectedValue="@this.selectedParameter">
+                            @foreach (var parameter in this.retrievalParameters)
+                            {
+                                <MudListItem T="RetrievalParameter" Icon="@Icons.Material.Filled.Tune" Value="@parameter">
+                                    @parameter.Name
+                                </MudListItem>
+                            }
+                        </MudList>
+                    }
+                    <MudButton OnClick="@this.AddRetrievalProcessParameter" Variant="Variant.Filled" Color="Color.Primary" Class="mt-1">
+                        Add Parameter
+                    </MudButton>
+                </MudStack>
+                
+                @* The right side of the stack is another stack to display the parameter's data *@
+                <MudStack Row="@false" AlignItems="AlignItems.Stretch" StretchItems="StretchItems.End" Class="pa-3 mb-8 border-solid border rounded-lg">
+                    @if (this.selectedParameter is null)
+                    {
+                        @if(this.retrievalParameters.Count == 0)
+                        {
+                            <MudText>
+                                Add a parameter first, then select it to edit.
+                            </MudText>
+                        }
+                        else
+                        {
+                            <MudText>
+                                Select a parameter to show and edit it.
+                            </MudText>
+                        }
+                    }
+                    else
+                    {
+                        @* ReSharper disable once CSharpWarnings::CS8974 *@
+                        <MudTextField
+                            T="string"
+                            @bind-Text="@this.selectedParameter.Name"
+                            Label="Parameter Name"
+                            HelperText="The parameter name. It must be unique within the retrieval process."
+                            Class="mb-3"
+                            Adornment="Adornment.Start"
+                            AdornmentIcon="@Icons.Material.Filled.Label"
+                            AdornmentColor="Color.Info"
+                            Counter="26"
+                            MaxLength="26"
+                            Validation="@this.ValidateParameterName"
+                            Immediate="@true"
+                            UserAttributes="@SPELLCHECK_ATTRIBUTES"/>
+
+                        @* ReSharper disable once CSharpWarnings::CS8974 *@
+                        <MudTextField
+                            T="string"
+                            @bind-Text="@this.selectedParameter.Description"
+                            Label="Parameter Description"
+                            HelperText="A short description of the parameter. What data type is it? What is it used for? What are the possible values?"
+                            Lines="3"
+                            AutoGrow="@true"
+                            MaxLines="6"
+                            Immediate="@true"
+                            Variant="Variant.Outlined"
+                            Class="mb-3"
+                            Adornment="Adornment.Start"
+                            AdornmentIcon="@Icons.Material.Filled.Extension"
+                            AdornmentColor="Color.Info"
+                            Validation="@this.ValidateParameterDescription"
+                            UserAttributes="@SPELLCHECK_ATTRIBUTES"/>
+                        
+                        <MudStack Row="@true">
+                            <MudButton OnClick="@this.RemoveRetrievalProcessParameter" Variant="Variant.Filled" Color="Color.Secondary">
+                                Delete this parameter
+                            </MudButton>
+                        </MudStack>
+                        
+                    }
+                </MudStack>    
+            </MudStack>
+
+            <MudText Typo="Typo.h5" Class="mb-3">
+                Embeddings
+            </MudText>
+
+            @if(this.AvailableEmbeddings.Count == 0)
+            {
+                <MudText Typo="Typo.body1" Class="mb-3">
+                    Currently, you have not defined any embedding methods. If your retrieval process does not require embedding, you can ignore this part.
+                    Otherwise, you can define one or more embedding methods in the previous view to assign them to your retrieval process here.
+                </MudText>
+            }
+            else
+            {
+                <MudText Typo="Typo.body1" Class="mb-3">
+                    Here you can select which embedding methods are used for this retrieval process. Embeddings are optional;
+                    if your retrieval process works without embedding, you can ignore this part. You can only choose the embedding
+                    methods you have previously defined.
+                </MudText>
+
+                <MudSelectExtended
+                    T="EmbeddingInfo"
+                    MultiSelection="@true"
+                    MultiSelectionTextFunc="@this.GetMultiSelectionText"
+                    SelectedValues="@this.DataEmbeddings"
+                    SelectedValuesChanged="@this.EmbeddingsChanged"
+                    Strict="@true"
+                    Margin="Margin.Dense"
+                    Label="Embeddings methods"
+                    ShrinkLabel="@true"
+                    Class="mb-3"
+                    Variant="Variant.Outlined"
+                    HelperText="Optional. Select the embedding methods that are used for this retrieval process.">
+                    @foreach (var embedding in this.AvailableEmbeddings)
+                    {
+                        <MudSelectItemExtended Value="@embedding">
+                            @embedding.EmbeddingName
+                        </MudSelectItemExtended>
+                    }
+                </MudSelectExtended>
+            }
+        </MudForm>
+        <Issues IssuesData="@this.dataIssues"/>
+    </DialogContent>
+    <DialogActions>
+        <MudButton OnClick="@this.Cancel" Variant="Variant.Filled">Cancel</MudButton>
+        <MudButton OnClick="@this.Store" Variant="Variant.Filled" Color="Color.Primary">
+            @if(this.IsEditing)
+            {
+                @:Update
+            }
+            else
+            {
+                @:Add
+            }
+        </MudButton>
+    </DialogActions>
+</MudDialog>

app/MindWork AI Studio/Dialogs/RetrievalProcessDialog.razor.cs

@@ -0,0 +1,204 @@
+using AIStudio.Assistants.ERI;
+using AIStudio.Settings;
+
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Dialogs;
+
+public partial class RetrievalProcessDialog : ComponentBase
+{
+    [CascadingParameter]
+    private MudDialogInstance MudDialog { get; set; } = null!;
+
+    /// <summary>
+    /// The user chosen retrieval process name.
+    /// </summary>
+    [Parameter]
+    public string DataName { get; set; } = string.Empty;
+
+    /// <summary>
+    /// The retrieval process description.
+    /// </summary>
+    [Parameter]
+    public string DataDescription { get; set; } = string.Empty;
+
+    /// <summary>
+    /// A link to the retrieval process documentation, paper, Wikipedia article, or the source code.
+    /// </summary>
+    [Parameter]
+    public string DataLink { get; set; } = string.Empty;
+
+    /// <summary>
+    /// A dictionary that describes the parameters of the retrieval process. The key is the parameter name,
+    /// and the value is a description of the parameter. Although each parameter will be sent as a string,
+    /// the description should indicate the expected type and range, e.g., 0.0 to 1.0 for a float parameter.
+    /// </summary>
+    [Parameter]
+    public Dictionary<string, string> DataParametersDescription { get; set; } = new();
+
+    /// <summary>
+    /// A list of embeddings used in this retrieval process. It might be empty in case no embedding is used.
+    /// </summary>
+    [Parameter]
+    public HashSet<EmbeddingInfo> DataEmbeddings { get; set; } = new();
+
+    /// <summary>
+    /// The available embeddings for the user to choose from.
+    /// </summary>
+    [Parameter]
+    public IReadOnlyList<EmbeddingInfo> AvailableEmbeddings { get; set; } = new List<EmbeddingInfo>();
+    
+    /// <summary>
+    /// Should the dialog be in editing mode?
+    /// </summary>
+    [Parameter]
+    public bool IsEditing { get; init; }
+    
+    [Inject]
+    private SettingsManager SettingsManager { get; init; } = null!;
+    
+    private static readonly Dictionary<string, object?> SPELLCHECK_ATTRIBUTES = new();
+    
+    private bool dataIsValid;
+    private string[] dataIssues = [];
+    private List<RetrievalParameter> retrievalParameters = new();
+    private RetrievalParameter? selectedParameter;
+    private uint nextParameterId = 1;
+    
+    // We get the form reference from Blazor code to validate it manually:
+    private MudForm form = null!;
+    
+    private RetrievalInfo CreateRetrievalInfo() => new(this.DataName, this.DataDescription, this.DataLink, this.retrievalParameters.ToDictionary(parameter => parameter.Name, parameter => parameter.Description), this.DataEmbeddings.ToList());
+    
+    #region Overrides of ComponentBase
+
+    protected override async Task OnInitializedAsync()
+    {
+        // Configure the spellchecking for the instance name input:
+        this.SettingsManager.InjectSpellchecking(SPELLCHECK_ATTRIBUTES);
+        
+        // Convert the parameters:
+        this.retrievalParameters = this.DataParametersDescription.Select(pair => new RetrievalParameter { Name = pair.Key, Description = pair.Value }).ToList();
+        
+        await base.OnInitializedAsync();
+    }
+
+    protected override async Task OnAfterRenderAsync(bool firstRender)
+    {
+        // Reset the validation when not editing and on the first render.
+        // We don't want to show validation errors when the user opens the dialog.
+        if(!this.IsEditing && firstRender)
+            this.form.ResetValidation();
+        
+        await base.OnAfterRenderAsync(firstRender);
+    }
+
+    #endregion
+    
+    private string? ValidateName(string name)
+    {
+        if (string.IsNullOrWhiteSpace(name))
+            return "The retrieval process name must not be empty. Please name your retrieval process.";
+        
+        if (name.Length > 26)
+            return "The retrieval process name must not be longer than 26 characters.";
+        
+        return null;
+    }
+    
+    private string? ValidateDescription(string description)
+    {
+        if (string.IsNullOrWhiteSpace(description))
+            return "The description must not be empty. Please describe the retrieval process.";
+        
+        return null;
+    }
+    
+    private void AddRetrievalProcessParameter()
+    {
+        this.retrievalParameters.Add(new() { Name = $"New Parameter {this.nextParameterId++}", Description = string.Empty });
+    }
+    
+    private string? ValidateParameterName(string name)
+    {
+        if (string.IsNullOrWhiteSpace(name))
+            return "The parameter name must not be empty. Please name the parameter.";
+        
+        if(name.Length > 26)
+            return "The parameter name must not be longer than 26 characters.";
+        
+        if (this.retrievalParameters.Count(parameter => parameter.Name == name) > 1)
+            return $"The parameter name '{name}' must be unique. Please choose a different name.";
+        
+        return null;
+    }
+    
+    private string? ValidateParameterDescription(string description)
+    {
+        if (string.IsNullOrWhiteSpace(description))
+            return $"The parameter description must not be empty. Please describe the parameter '{this.selectedParameter?.Name}'. What data type is it? What is it used for? What are the possible values?";
+        
+        return null;
+    }
+    
+    private string? ValidateParameter(RetrievalParameter parameter)
+    {
+        if(this.ValidateParameterName(parameter.Name) is { } nameIssue)
+            return nameIssue;
+        
+        if (string.IsNullOrWhiteSpace(parameter.Description))
+            return $"The parameter description must not be empty. Please describe the parameter '{parameter.Name}'. What data type is it? What is it used for? What are the possible values?";
+        
+        return null;
+    }
+    
+    private void RemoveRetrievalProcessParameter()
+    {
+        if (this.selectedParameter is not null)
+            this.retrievalParameters.Remove(this.selectedParameter);
+        
+        this.selectedParameter = null;
+    }
+    
+    private string GetMultiSelectionText(List<EmbeddingInfo> selectedEmbeddings)
+    {
+        if(selectedEmbeddings.Count == 0)
+            return "No embedding methods selected.";
+        
+        if(selectedEmbeddings.Count == 1)
+            return "You have selected 1 embedding method.";
+        
+        return $"You have selected {selectedEmbeddings.Count} embedding methods.";
+    }
+    
+    private void EmbeddingsChanged(IEnumerable<EmbeddingInfo>? updatedEmbeddings)
+    {
+        if(updatedEmbeddings is null)
+            this.DataEmbeddings = new();
+        else
+            this.DataEmbeddings = updatedEmbeddings.ToHashSet();
+    }
+    
+    private async Task Store()
+    {
+        await this.form.Validate();
+        foreach (var parameter in this.retrievalParameters)
+        {
+            if (this.ValidateParameter(parameter) is { } issue)
+            {
+                this.dataIsValid = false;
+                Array.Resize(ref this.dataIssues, this.dataIssues.Length + 1);
+                this.dataIssues[^1] = issue;
+            }
+        }
+        
+        // When the data is not valid, we don't store it:
+        if (!this.dataIsValid || this.dataIssues.Any())
+            return;
+        
+        var retrievalInfo = this.CreateRetrievalInfo();
+        this.MudDialog.Close(DialogResult.Ok(retrievalInfo));
+    }
+    
+    private void Cancel() => this.MudDialog.Cancel();
+}

app/MindWork AI Studio/Settings/DataModel/DataERI.cs

@@ -98,7 +98,10 @@ public sealed class DataERI
     public List<EmbeddingInfo> PreselectedEmbeddingInfos { get; set; } = new();
 
     /// <summary>
+    /// Do you want to predefine any retrieval information?
     /// </summary>
+    public List<RetrievalInfo> PreselectedRetrievalInfos { get; set; } = new();
+    
     /// <summary>
     /// Do you want to preselect any additional libraries?
     /// </summary>