Implemented translate assistant

app/MindWork AI Studio/Components/Pages/Translator/AssistantTranslator.razor

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+@page "/assistant/translator"
+@using AIStudio.Settings
+@using AIStudio.Tools
+@inherits AssistantBaseCore
+
+<MudTextField T="string" @bind-Text="@this.inputText" Validation="@this.ValidatingText" AdornmentIcon="@Icons.Material.Filled.DocumentScanner" Adornment="Adornment.Start" Label="Your input" Variant="Variant.Outlined" Lines="6" AutoGrow="@true" MaxLines="12" Class="mb-3"/>
+
+<MudStack Row="@true" AlignItems="AlignItems.Center" Class="mb-3">
+    <MudSelect T="CommonLanguages" @bind-Value="@this.selectedTargetLanguage" AdornmentIcon="@Icons.Material.Filled.Translate" Adornment="Adornment.Start" Label="Target language" Variant="Variant.Outlined" Margin="Margin.Dense">
+        @foreach (var targetLanguage in Enum.GetValues<CommonLanguages>())
+        {
+            <MudSelectItem Value="@targetLanguage">@targetLanguage.Name()</MudSelectItem>
+        }
+    </MudSelect>
+    @if (this.selectedTargetLanguage is CommonLanguages.OTHER)
+    {
+        <MudTextField T="string" @bind-Text="@this.customTargetLanguage" Validation="@this.ValidateCustomLanguage" Label="Custom target language" Variant="Variant.Outlined" Margin="Margin.Dense"/>
+    }
+</MudStack>
+
+<MudSelect T="Provider" @bind-Value="@this.selectedProvider" Validation="@this.ValidatingProvider" Adornment="Adornment.Start" AdornmentIcon="@Icons.Material.Filled.Apps" Margin="Margin.Dense" Label="Provider" Class="mb-3 rounded-lg" Variant="Variant.Outlined">
+    @foreach (var provider in this.SettingsManager.ConfigurationData.Providers)
+    {
+        <MudSelectItem Value="@provider"/>
+    }
+</MudSelect>
+
+<MudButton Variant="Variant.Filled" Class="mb-3" OnClick="() => this.TranslateText()">
+    Translate
+</MudButton>

app/MindWork AI Studio/Components/Pages/Translator/AssistantTranslator.razor.cs

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+using AIStudio.Provider;
+using AIStudio.Tools;
+
+namespace AIStudio.Components.Pages.Translator;
+
+public partial class AssistantTranslator : AssistantBaseCore
+{
+    protected override string Title => "Translator";
+    
+    protected override string Description =>
+        """
+        Translate text from one language to another.
+        """;
+    
+    protected override string SystemPrompt => 
+        """
+        You get text in a source language as input. The user wants to get the text translated into a target language.
+        Provide the translation in the requested language. Do not add any information. Correct any spelling or grammar mistakes.
+        Do not ask for additional information. Do not mirror the user's language. Do not mirror the task. When the target
+        language requires, e.g., shorter sentences, you should split the text into shorter sentences.
+        """;
+    
+    private string inputText = string.Empty;
+    private CommonLanguages selectedTargetLanguage;
+    private string customTargetLanguage = string.Empty;
+    
+    private string? ValidatingText(string text)
+    {
+        if(string.IsNullOrWhiteSpace(text))
+            return "Please provide a text as input. You might copy the desired text from a document or a website.";
+        
+        return null;
+    }
+    
+    private string? ValidatingProvider(AIStudio.Settings.Provider provider)
+    {
+        if(provider.UsedProvider == Providers.NONE)
+            return "Please select a provider.";
+        
+        return null;
+    }
+    
+    private string? ValidateCustomLanguage(string language)
+    {
+        if(this.selectedTargetLanguage == CommonLanguages.OTHER && string.IsNullOrWhiteSpace(language))
+            return "Please provide a custom language.";
+        
+        return null;
+    }
+    
+    private async Task TranslateText()
+    {
+        await this.form!.Validate();
+        if (!this.inputIsValid)
+            return;
+        
+        this.CreateChatThread();
+        var time = this.AddUserRequest(
+            $"""
+                {this.selectedTargetLanguage.Prompt(this.customTargetLanguage)}
+                
+                The given text is:
+                
+                ---
+                {this.inputText}
+             """);
+
+        await this.AddAIResponseAsync(time);
+    }
+}

app/MindWork AI Studio/Components/Pages/Translator/CommonLanguageExtension.cs

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+using AIStudio.Tools;
+
+namespace AIStudio.Components.Pages.Translator;
+
+public static class CommonLanguageExtension
+{
+    public static string Prompt(this CommonLanguages language, string customLanguage) => language switch
+    {
+        CommonLanguages.OTHER => $"Translate the text in {customLanguage}.",
+
+        _ => $"Translate the given text in {language.Name()} ({language}).",
+    };
+}