Add confidence levels (#140)

app/MindWork AI Studio/Assistants/GrammarSpelling/AssistantGrammarSpelling.razor

@@ -3,8 +3,4 @@
 
 <MudTextField T="string" @bind-Text="@this.inputText" Validation="@this.ValidateText" AdornmentIcon="@Icons.Material.Filled.DocumentScanner" Adornment="Adornment.Start" Label="Your input to check" Variant="Variant.Outlined" Lines="6" AutoGrow="@true" MaxLines="12" Class="mb-3" UserAttributes="@USER_INPUT_ATTRIBUTES"/>
 <EnumSelection T="CommonLanguages" NameFunc="@(language => language.NameSelectingOptional())" @bind-Value="@this.selectedTargetLanguage" Icon="@Icons.Material.Filled.Translate" Label="Language" AllowOther="@true" OtherValue="CommonLanguages.OTHER" @bind-OtherInput="@this.customTargetLanguage" ValidateOther="@this.ValidateCustomLanguage" LabelOther="Custom language" />
-<ProviderSelection @bind-ProviderSettings="@this.providerSettings" ValidateProvider="@this.ValidatingProvider"/>
-
-<MudButton Variant="Variant.Filled" Class="mb-3" OnClick="() => this.ProofreadText()">
-    Proofread
-</MudButton>
+<ProviderSelection @bind-ProviderSettings="@this.providerSettings" ValidateProvider="@this.ValidatingProvider"/>

app/MindWork AI Studio/Assistants/GrammarSpelling/AssistantGrammarSpelling.razor.cs

@@ -41,6 +41,10 @@ public partial class AssistantGrammarSpelling : AssistantBaseCore
         },
     ];
     
+    protected override string SubmitText => "Proofread";
+
+    protected override Func<Task> SubmitAction => this.ProofreadText;
+    
     protected override ChatThread ConvertToChatThread => (this.chatThread ?? new()) with
     {
         SystemPrompt = SystemPrompts.DEFAULT,