Improved data security for chat threads (#317)

app/MindWork AI Studio/Components/ChatComponent.razor.cs

@@ -340,6 +340,20 @@ public partial class ChatComponent : MSGComponentBase, IAsyncDisposable
             this.earlyDataSourceOptions = updatedOptions;
     }
 
+    private bool IsInputForbidden()
+    {
+        if (!this.IsProviderSelected)
+            return true;
+        
+        if(this.isStreaming)
+            return true;
+        
+        if(!this.ChatThread.IsLLMProviderAllowed(this.Provider))
+            return true;
+        
+        return false;
+    }
+
     private async Task InputKeyEvent(KeyboardEventArgs keyEvent)
     {
         if(this.dataSourceSelectionComponent?.IsVisible ?? false)
@@ -374,6 +388,9 @@ public partial class ChatComponent : MSGComponentBase, IAsyncDisposable
         if (!this.IsProviderSelected)
             return;
         
+        if(!this.ChatThread.IsLLMProviderAllowed(this.Provider))
+            return;
+        
         // We need to blur the focus away from the input field
         // to be able to clear the field:
         await this.inputField.BlurAsync();
@@ -776,6 +793,9 @@ public partial class ChatComponent : MSGComponentBase, IAsyncDisposable
         if(this.ChatThread is null)
             return;
         
+        if(!this.ChatThread.IsLLMProviderAllowed(this.Provider))
+            return;
+        
         this.ChatThread.Remove(aiBlock, removeForRegenerate: true);
         this.hasUnsavedChanges = true;
         this.StateHasChanged();