Count the tool conversation while it is in flight

app/MindWork AI Studio/Provider/OpenAI/ProviderOpenAI.cs

@@ -176,7 +176,7 @@ public sealed class ProviderOpenAI() : BaseProvider(LLMProviders.OPEN_AI, new Ur
 
         var toolExecutor = Program.SERVICE_PROVIDER.GetService<ToolExecutor>();
         var currentAssistantContent = chatThread.Blocks.LastOrDefault(x => x.Role is ChatRole.AI)?.Content as ContentText;
-        currentAssistantContent?.ToolInvocations.Clear();
+        currentAssistantContent?.BeginToolRun();
 
         IReadOnlyList<(ToolDefinition Definition, IToolImplementation Implementation)> runnableTools = toolRegistry is null
             ? []