Implemented embedding provider configuration

app/MindWork AI Studio/Dialogs/EmbeddingDialog.razor

@@ -0,0 +1,118 @@
+@using AIStudio.Provider
+@using AIStudio.Provider.SelfHosted
+
+<MudDialog>
+    <DialogContent>
+        <MudForm @ref="@this.form" @bind-IsValid="@this.dataIsValid" @bind-Errors="@this.dataIssues">
+            <MudStack Row="@true" AlignItems="AlignItems.Center">
+                @* ReSharper disable once CSharpWarnings::CS8974 *@
+                <MudSelect @bind-Value="@this.DataLLMProvider" Label="Provider" Class="mb-3" OpenIcon="@Icons.Material.Filled.AccountBalance" AdornmentColor="Color.Info" Adornment="Adornment.Start" Validation="@this.providerValidation.ValidatingProvider">
+                    @foreach (LLMProviders provider in Enum.GetValues(typeof(LLMProviders)))
+                    {
+                        if (provider.ProvideEmbeddings())
+                        {
+                            <MudSelectItem Value="@provider">@provider</MudSelectItem>
+                        }
+                    }
+                </MudSelect>
+                <MudButton Disabled="@(!this.DataLLMProvider.ShowRegisterButton())" Variant="Variant.Filled" Size="Size.Small" StartIcon="@Icons.Material.Filled.OpenInBrowser" Href="@this.DataLLMProvider.GetCreationURL()" Target="_blank">Create account</MudButton>
+            </MudStack>
+            
+            @* ReSharper disable once CSharpWarnings::CS8974 *@
+            <MudTextField
+                T="string"
+                @bind-Text="@this.dataAPIKey"
+                Label="@this.APIKeyText"
+                Disabled="@(!this.DataLLMProvider.IsAPIKeyNeeded(this.DataHost))"
+                Class="mb-3"
+                Adornment="Adornment.Start"
+                AdornmentIcon="@Icons.Material.Filled.VpnKey"
+                AdornmentColor="Color.Info"
+                InputType="InputType.Password"
+                Validation="@this.providerValidation.ValidatingAPIKey"
+            />
+            
+            <MudTextField
+                T="string"
+                @bind-Text="@this.DataHostname"
+                Label="Hostname"
+                Disabled="@(!this.DataLLMProvider.IsHostnameNeeded())"
+                Class="mb-3"
+                Adornment="Adornment.Start"
+                AdornmentIcon="@Icons.Material.Filled.Dns"
+                AdornmentColor="Color.Info"
+                Validation="@this.providerValidation.ValidatingHostname"
+                UserAttributes="@SPELLCHECK_ATTRIBUTES"
+            />
+
+            <MudSelect Disabled="@(!this.DataLLMProvider.IsHostNeeded())" @bind-Value="@this.DataHost" Label="Host" Class="mb-3" OpenIcon="@Icons.Material.Filled.ExpandMore" AdornmentColor="Color.Info" Adornment="Adornment.Start" Validation="@this.providerValidation.ValidatingHost">
+                @foreach (Host host in Enum.GetValues(typeof(Host)))
+                {
+                    if (host.AreEmbeddingsSupported())
+                    {
+                        <MudSelectItem Value="@host">@host.Name()</MudSelectItem>
+                    }
+                }
+            </MudSelect>
+
+            <MudStack Row="@true" AlignItems="AlignItems.Center">
+                @if (this.DataLLMProvider.IsEmbeddingModelProvidedManually())
+                {
+                    <MudTextField
+                        T="string"
+                        @bind-Text="@this.dataManuallyModel"
+                        Label="Model"
+                        Class="mb-3"
+                        Adornment="Adornment.Start"
+                        AdornmentIcon="@Icons.Material.Filled.Dns"
+                        AdornmentColor="Color.Info"
+                        Validation="@this.ValidateManuallyModel"
+                        UserAttributes="@SPELLCHECK_ATTRIBUTES"
+                        HelperText="Currently, we cannot query the embedding models of self-hosted systems. Therefore, enter the model name manually."
+                    />
+                }
+                else
+                {
+                    <MudButton Disabled="@(!this.DataLLMProvider.CanLoadModels(this.DataHost, this.dataAPIKey))" Variant="Variant.Filled" Size="Size.Small" StartIcon="@Icons.Material.Filled.Refresh" OnClick="this.ReloadModels">Load</MudButton>
+                    <MudSelect Disabled="@this.IsNoneProvider" @bind-Value="@this.DataModel" Label="Model" Class="mb-3" OpenIcon="@Icons.Material.Filled.FaceRetouchingNatural" AdornmentColor="Color.Info" Adornment="Adornment.Start" Validation="@this.providerValidation.ValidatingModel">
+                        @foreach (var model in this.availableModels)
+                        {
+                            <MudSelectItem Value="@model">@model</MudSelectItem>
+                        }
+                    </MudSelect>
+                }
+            </MudStack>
+
+            @* ReSharper disable once CSharpWarnings::CS8974 *@
+            <MudTextField
+                T="string"
+                @bind-Text="@this.DataName"
+                Label="Instance Name"
+                Class="mb-3"
+                MaxLength="40"
+                Counter="40"
+                Immediate="@true"
+                Adornment="Adornment.Start"
+                AdornmentIcon="@Icons.Material.Filled.Lightbulb"
+                AdornmentColor="Color.Info"
+                Validation="@this.providerValidation.ValidatingInstanceName"
+                UserAttributes="@SPELLCHECK_ATTRIBUTES"
+            />
+            
+        </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/EmbeddingDialog.razor.cs

@@ -0,0 +1,258 @@
+using AIStudio.Provider;
+using AIStudio.Settings;
+using AIStudio.Tools.Validation;
+
+using Microsoft.AspNetCore.Components;
+
+using Host = AIStudio.Provider.SelfHosted.Host;
+
+namespace AIStudio.Dialogs;
+
+public partial class EmbeddingDialog : ComponentBase, ISecretId
+{
+    [CascadingParameter]
+    private MudDialogInstance MudDialog { get; set; } = null!;
+
+    /// <summary>
+    /// The embedding's number in the list.
+    /// </summary>
+    [Parameter]
+    public uint DataNum { get; set; }
+    
+    /// <summary>
+    /// The embedding's ID.
+    /// </summary>
+    [Parameter]
+    public string DataId { get; set; } = Guid.NewGuid().ToString();
+    
+    /// <summary>
+    /// The user chosen name.
+    /// </summary>
+    [Parameter]
+    public string DataName { get; set; } = string.Empty;
+    
+    /// <summary>
+    /// The chosen hostname for self-hosted providers.
+    /// </summary>
+    [Parameter]
+    public string DataHostname { get; set; } = string.Empty;
+    
+    /// <summary>
+    /// The host to use, e.g., llama.cpp.
+    /// </summary>
+    [Parameter]
+    public Host DataHost { get; set; } = Host.NONE;
+    
+    /// <summary>
+    /// Is this provider self-hosted?
+    /// </summary>
+    [Parameter]
+    public bool IsSelfHosted { get; set; }
+    
+    /// <summary>
+    /// The provider to use.
+    /// </summary>
+    [Parameter]
+    public LLMProviders DataLLMProvider { get; set; } = LLMProviders.NONE;
+    
+    /// <summary>
+    /// The embedding model to use.
+    /// </summary>
+    [Parameter]
+    public Model DataModel { get; set; }
+    
+    /// <summary>
+    /// Should the dialog be in editing mode?
+    /// </summary>
+    [Parameter]
+    public bool IsEditing { get; init; }
+    
+    [Inject]
+    private SettingsManager SettingsManager { get; init; } = null!;
+    
+    [Inject]
+    private ILogger<ProviderDialog> Logger { get; init; } = null!;
+    
+    [Inject]
+    private RustService RustService { get; init; } = null!;
+    
+    private static readonly Dictionary<string, object?> SPELLCHECK_ATTRIBUTES = new();
+
+    /// <summary>
+    /// The list of used instance names. We need this to check for uniqueness.
+    /// </summary>
+    private List<string> UsedInstanceNames { get; set; } = [];
+    
+    private bool dataIsValid;
+    private string[] dataIssues = [];
+    private string dataAPIKey = string.Empty;
+    private string dataManuallyModel = string.Empty;
+    private string dataAPIKeyStorageIssue = string.Empty;
+    private string dataEditingPreviousInstanceName = string.Empty;
+    
+    // We get the form reference from Blazor code to validate it manually:
+    private MudForm form = null!;
+    
+    private readonly List<Model> availableModels = new();
+    private readonly Encryption encryption = Program.ENCRYPTION;
+    private readonly ProviderValidation providerValidation;
+    
+    public EmbeddingDialog()
+    {
+        this.providerValidation = new()
+        {
+            GetProvider = () => this.DataLLMProvider,
+            GetAPIKeyStorageIssue = () => this.dataAPIKeyStorageIssue,
+            GetPreviousInstanceName = () => this.dataEditingPreviousInstanceName,
+            GetUsedInstanceNames = () => this.UsedInstanceNames,
+            GetHost = () => this.DataHost,
+        };
+    }
+    
+    private EmbeddingProvider CreateEmbeddingProviderSettings()
+    {
+        var cleanedHostname = this.DataHostname.Trim();
+        return new()
+        {
+            Num = this.DataNum,
+            Id = this.DataId,
+            Name = this.DataName,
+            UsedLLMProvider = this.DataLLMProvider,
+            Model = this.DataLLMProvider is LLMProviders.SELF_HOSTED ? new Model(this.dataManuallyModel, null) : this.DataModel,
+            IsSelfHosted = this.DataLLMProvider is LLMProviders.SELF_HOSTED,
+            Hostname = cleanedHostname.EndsWith('/') ? cleanedHostname[..^1] : cleanedHostname,
+            Host = this.DataHost,
+        };
+    }
+    
+    #region Overrides of ComponentBase
+
+    protected override async Task OnInitializedAsync()
+    {
+        // Configure the spellchecking for the instance name input:
+        this.SettingsManager.InjectSpellchecking(SPELLCHECK_ATTRIBUTES);
+        
+        // Load the used instance names:
+        this.UsedInstanceNames = this.SettingsManager.ConfigurationData.EmbeddingProviders.Select(x => x.Name.ToLowerInvariant()).ToList();
+        
+        // When editing, we need to load the data:
+        if(this.IsEditing)
+        {
+            this.dataEditingPreviousInstanceName = this.DataName.ToLowerInvariant();
+            
+            // When using self-hosted embedding, we must copy the model name:
+            if (this.DataLLMProvider is LLMProviders.SELF_HOSTED)
+                this.dataManuallyModel = this.DataModel.Id;
+            
+            //
+            // We cannot load the API key for self-hosted providers:
+            //
+            if (this.DataLLMProvider is LLMProviders.SELF_HOSTED && this.DataHost is not Host.OLLAMA)
+            {
+                await this.ReloadModels();
+                await base.OnInitializedAsync();
+                return;
+            }
+            
+            // Load the API key:
+            var requestedSecret = await this.RustService.GetAPIKey(this, isTrying: this.DataLLMProvider is LLMProviders.SELF_HOSTED);
+            if (requestedSecret.Success)
+                this.dataAPIKey = await requestedSecret.Secret.Decrypt(this.encryption);
+            else
+            {
+                this.dataAPIKey = string.Empty;
+                if (this.DataLLMProvider is not LLMProviders.SELF_HOSTED)
+                {
+                    this.dataAPIKeyStorageIssue = $"Failed to load the API key from the operating system. The message was: {requestedSecret.Issue}. You might ignore this message and provide the API key again.";
+                    await this.form.Validate();
+                }
+            }
+
+            await this.ReloadModels();
+        }
+        
+        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
+    
+    #region Implementation of ISecretId
+
+    public string SecretId => this.DataId;
+    
+    public string SecretName => this.DataName;
+
+    #endregion
+    
+    private async Task Store()
+    {
+        await this.form.Validate();
+        if (!string.IsNullOrWhiteSpace(this.dataAPIKeyStorageIssue))
+            this.dataAPIKeyStorageIssue = string.Empty;
+        
+        // When the data is not valid, we don't store it:
+        if (!this.dataIsValid)
+            return;
+        
+        // Use the data model to store the provider.
+        // We just return this data to the parent component:
+        var addedProviderSettings = this.CreateEmbeddingProviderSettings();
+        if (!string.IsNullOrWhiteSpace(this.dataAPIKey))
+        {
+            // Store the API key in the OS secure storage:
+            var storeResponse = await this.RustService.SetAPIKey(this, this.dataAPIKey);
+            if (!storeResponse.Success)
+            {
+                this.dataAPIKeyStorageIssue = $"Failed to store the API key in the operating system. The message was: {storeResponse.Issue}. Please try again.";
+                await this.form.Validate();
+                return;
+            }
+        }
+
+        this.MudDialog.Close(DialogResult.Ok(addedProviderSettings));
+    }
+    
+    private string? ValidateManuallyModel(string manuallyModel)
+    {
+        if (this.DataLLMProvider is LLMProviders.SELF_HOSTED && string.IsNullOrWhiteSpace(manuallyModel))
+            return "Please enter an embedding model name.";
+        
+        return null;
+    }
+
+    private void Cancel() => this.MudDialog.Cancel();
+    
+    private async Task ReloadModels()
+    {
+        var currentEmbeddingProviderSettings = this.CreateEmbeddingProviderSettings();
+        var provider = currentEmbeddingProviderSettings.CreateProvider(this.Logger);
+        if(provider is NoProvider)
+            return;
+        
+        var models = await provider.GetEmbeddingModels(this.dataAPIKey);
+        
+        // Order descending by ID means that the newest models probably come first:
+        var orderedModels = models.OrderByDescending(n => n.Id);
+        
+        this.availableModels.Clear();
+        this.availableModels.AddRange(orderedModels);
+    }
+    
+    private string APIKeyText => this.DataLLMProvider switch
+    {
+        LLMProviders.SELF_HOSTED => "(Optional) API Key",
+        _ => "API Key",
+    };
+    
+    private bool IsNoneProvider => this.DataLLMProvider is LLMProviders.NONE;
+}

app/MindWork AI Studio/Pages/Settings.razor

@@ -131,6 +131,73 @@
 
         </ExpansionPanel>
 
+        @if (this.SettingsManager.ConfigurationData.App.PreviewVisibility >= PreviewVisibility.PROTOTYPE)
+        {
+            <ExpansionPanel HeaderIcon="@Icons.Material.Filled.IntegrationInstructions" HeaderText="Configure Embeddings">
+                <PreviewPrototype/>
+                <MudText Typo="Typo.h4" Class="mb-3">
+                    Configured Embeddings
+                </MudText>
+                <MudJustifiedText Typo="Typo.body1" Class="mb-3">
+                    Embeddings are a way to represent words, sentences, entire documents, or even images and videos as digital
+                    fingerprints. Just like each person has a unique fingerprint, embedding models create unique digital patterns
+                    that capture the meaning and characteristics of the content they analyze. When two things are similar in meaning
+                    or content, their digital fingerprints will look very similar. For example, the fingerprints for 'happy' and
+                    'joyful' would be more alike than those for 'happy' and 'sad'.
+                </MudJustifiedText>
+
+                <MudJustifiedText Typo="Typo.body1" Class="mb-3">
+                    This helps AI Studio understand and compare things in a way that's similar to how humans do. When you're working on
+                    something, AI Studio can automatically identify related documents and data by comparing their digital fingerprints.
+                    For instance, if you're writing about customer service, AI Studio can instantly find other documents in your data that
+                    discuss similar topics or experiences, even if they use different words.
+                </MudJustifiedText>
+                <MudTable Items="@this.SettingsManager.ConfigurationData.EmbeddingProviders" Hover="@true" Class="border-dashed border rounded-lg">
+                    <ColGroup>
+                        <col style="width: 3em;"/>
+                        <col style="width: 12em;"/>
+                        <col style="width: 12em;"/>
+                        <col/>
+                        <col style="width: 40em;"/>
+                    </ColGroup>
+                    <HeaderContent>
+                        <MudTh>#</MudTh>
+                        <MudTh>Name</MudTh>
+                        <MudTh>Provider</MudTh>
+                        <MudTh>Model</MudTh>
+                        <MudTh Style="text-align: left;">Actions</MudTh>
+                    </HeaderContent>
+                    <RowTemplate>
+                        <MudTd>@context.Num</MudTd>
+                        <MudTd>@context.Name</MudTd>
+                        <MudTd>@context.UsedLLMProvider</MudTd>
+                        <MudTd>@this.GetEmbeddingProviderModelName(context)</MudTd>
+                        
+                        <MudTd Style="text-align: left;">
+                            <MudButton Variant="Variant.Filled" Color="Color.Info" StartIcon="@Icons.Material.Filled.OpenInBrowser" Class="ma-2" Href="@context.UsedLLMProvider.GetDashboardURL()" Target="_blank" Disabled="@(!context.UsedLLMProvider.HasDashboard())">
+                                Open Dashboard
+                            </MudButton>
+                            <MudButton Variant="Variant.Filled" Color="Color.Info" StartIcon="@Icons.Material.Filled.Edit" Class="ma-2" OnClick="() => this.EditEmbeddingProvider(context)">
+                                Edit
+                            </MudButton>
+                            <MudButton Variant="Variant.Filled" Color="Color.Error" StartIcon="@Icons.Material.Filled.Delete" Class="ma-2" OnClick="() => this.DeleteEmbeddingProvider(context)">
+                                Delete
+                            </MudButton>
+                        </MudTd>
+                    </RowTemplate>
+                </MudTable>
+
+                @if (this.SettingsManager.ConfigurationData.EmbeddingProviders.Count == 0)
+                {
+                    <MudText Typo="Typo.h6" Class="mt-3">No embeddings configured yet.</MudText>
+                }
+
+                <MudButton Variant="Variant.Filled" Color="@Color.Primary" StartIcon="@Icons.Material.Filled.AddRoad" Class="mt-3 mb-6" OnClick="@this.AddEmbeddingProvider">
+                    Add Embedding
+                </MudButton>
+            </ExpansionPanel>
+        }
+
         <ExpansionPanel HeaderIcon="@Icons.Material.Filled.Person4" HeaderText="Configure Profiles">
             <MudText Typo="Typo.h4" Class="mb-3">Your Profiles</MudText>
             <MudJustifiedText Typo="Typo.body1" Class="mb-3">

app/MindWork AI Studio/Pages/Settings.razor.cs

@@ -26,6 +26,7 @@ public partial class Settings : ComponentBase, IMessageBusReceiver, IDisposable
     private RustService RustService { get; init; } = null!;
     
     private readonly List<ConfigurationSelectData<string>> availableLLMProviders = new();
+    private readonly List<ConfigurationSelectData<string>> availableEmbeddingProviders = new();
 
     #region Overrides of ComponentBase
 
@@ -160,6 +161,103 @@ public partial class Settings : ComponentBase, IMessageBusReceiver, IDisposable
 
     #endregion
 
+    #region Embedding provider related 
+
+    private string GetEmbeddingProviderModelName(EmbeddingProvider provider)
+    {
+        const int MAX_LENGTH = 36;
+        var modelName = provider.Model.ToString();
+        return modelName.Length > MAX_LENGTH ? "[...] " + modelName[^Math.Min(MAX_LENGTH, modelName.Length)..] : modelName;
+    }
+    
+    private async Task AddEmbeddingProvider()
+    {
+        var dialogParameters = new DialogParameters<EmbeddingDialog>
+        {
+            { x => x.IsEditing, false },
+        };
+        
+        var dialogReference = await this.DialogService.ShowAsync<EmbeddingDialog>("Add Embedding Provider", dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult is null || dialogResult.Canceled)
+            return;
+
+        var addedEmbedding = (EmbeddingProvider)dialogResult.Data!;
+        addedEmbedding = addedEmbedding with { Num = this.SettingsManager.ConfigurationData.NextEmbeddingNum++ };
+        
+        this.SettingsManager.ConfigurationData.EmbeddingProviders.Add(addedEmbedding);
+        this.UpdateEmbeddingProviders();
+        
+        await this.SettingsManager.StoreSettings();
+        await this.MessageBus.SendMessage<bool>(this, Event.CONFIGURATION_CHANGED);
+    }
+    
+    private async Task EditEmbeddingProvider(EmbeddingProvider embeddingProvider)
+    {
+        var dialogParameters = new DialogParameters<EmbeddingDialog>
+        {
+            { x => x.DataNum, embeddingProvider.Num },
+            { x => x.DataId, embeddingProvider.Id },
+            { x => x.DataName, embeddingProvider.Name },
+            { x => x.DataLLMProvider, embeddingProvider.UsedLLMProvider },
+            { x => x.DataModel, embeddingProvider.Model },
+            { x => x.DataHostname, embeddingProvider.Hostname },
+            { x => x.IsSelfHosted, embeddingProvider.IsSelfHosted },
+            { x => x.IsEditing, true },
+            { x => x.DataHost, embeddingProvider.Host },
+        };
+
+        var dialogReference = await this.DialogService.ShowAsync<EmbeddingDialog>("Edit Embedding Provider", dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult is null || dialogResult.Canceled)
+            return;
+
+        var editedEmbeddingProvider = (EmbeddingProvider)dialogResult.Data!;
+        
+        // Set the provider number if it's not set. This is important for providers
+        // added before we started saving the provider number.
+        if(editedEmbeddingProvider.Num == 0)
+            editedEmbeddingProvider = editedEmbeddingProvider with { Num = this.SettingsManager.ConfigurationData.NextEmbeddingNum++ };
+        
+        this.SettingsManager.ConfigurationData.EmbeddingProviders[this.SettingsManager.ConfigurationData.EmbeddingProviders.IndexOf(embeddingProvider)] = editedEmbeddingProvider;
+        this.UpdateEmbeddingProviders();
+        
+        await this.SettingsManager.StoreSettings();
+        await this.MessageBus.SendMessage<bool>(this, Event.CONFIGURATION_CHANGED);
+    }
+
+    private async Task DeleteEmbeddingProvider(EmbeddingProvider provider)
+    {
+        var dialogParameters = new DialogParameters
+        {
+            { "Message", $"Are you sure you want to delete the embedding provider '{provider.Name}'?" },
+        };
+        
+        var dialogReference = await this.DialogService.ShowAsync<ConfirmDialog>("Delete Embedding Provider", dialogParameters, DialogOptions.FULLSCREEN);
+        var dialogResult = await dialogReference.Result;
+        if (dialogResult is null || dialogResult.Canceled)
+            return;
+        
+        var deleteSecretResponse = await this.RustService.DeleteAPIKey(provider);
+        if(deleteSecretResponse.Success)
+        {
+            this.SettingsManager.ConfigurationData.EmbeddingProviders.Remove(provider);
+            await this.SettingsManager.StoreSettings();
+        }
+        
+        this.UpdateEmbeddingProviders();
+        await this.MessageBus.SendMessage<bool>(this, Event.CONFIGURATION_CHANGED);
+    }
+    
+    private void UpdateEmbeddingProviders()
+    {
+        this.availableEmbeddingProviders.Clear();
+        foreach (var provider in this.SettingsManager.ConfigurationData.EmbeddingProviders)
+            this.availableEmbeddingProviders.Add(new (provider.Name, provider.Id));
+    }
+
+    #endregion
+
     #region Profile related
 
     private async Task AddProfile()

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

@@ -20,6 +20,11 @@ public sealed class Data
     /// Settings concerning the LLM providers.
     /// </summary>
     public DataLLMProviders LLMProviders { get; init; } = new();
+
+    /// <summary>
+    /// A collection of embedding providers configured.
+    /// </summary>
+    public List<EmbeddingProvider> EmbeddingProviders { get; init; } = [];
     
     /// <summary>
     /// List of configured profiles.
@@ -31,6 +36,11 @@ public sealed class Data
     /// </summary>
     public uint NextProviderNum { get; set; } = 1;
 
+    /// <summary>
+    /// The next embedding number to use.
+    /// </summary>
+    public uint NextEmbeddingNum { get; set; } = 1;
+
     /// <summary>
     /// The next profile number to use.
     /// </summary>

app/MindWork AI Studio/Settings/EmbeddingProvider.cs

@@ -0,0 +1,32 @@
+using System.Text.Json.Serialization;
+
+using AIStudio.Provider;
+
+using Host = AIStudio.Provider.SelfHosted.Host;
+
+namespace AIStudio.Settings;
+
+public readonly record struct EmbeddingProvider(
+    uint Num,
+    string Id,
+    string Name,
+    LLMProviders UsedLLMProvider,
+    Model Model,
+    bool IsSelfHosted = false,
+    string Hostname = "http://localhost:1234",
+    Host Host = Host.NONE) : ISecretId
+{
+    public override string ToString() => this.Name;
+    
+    #region Implementation of ISecretId
+    
+    /// <inheritdoc />
+    [JsonIgnore]
+    public string SecretId => this.Id;
+    
+    /// <inheritdoc />
+    [JsonIgnore]
+    public string SecretName => this.Name;
+    
+    #endregion
+}