Update

Program.cs

@@ -96,9 +96,15 @@ var openAiClient = new OpenAIClient(new ApiKeyCredential(apiKey), new OpenAIClie
 IChatClient innerClient = openAiClient.GetChatClient(model).AsIChatClient();
 
 // ── Tool call logging via Spectre ───────────────────────────────────────
-static void ToolLog(string message)
+object consoleLock = new object();
+
+void ToolLog(string message)
 {
+    lock (consoleLock)
+    {
+        Console.Write("\r" + new string(' ', 40) + "\r");
         AnsiConsole.MarkupLine($"[dim grey]  ● {Markup.Escape(message)}[/]");
+    }
 }
 
 CommandTool.Log =
@@ -243,13 +249,19 @@ while (true)
         bool showSpinner = true;
         
         CommandTool.PauseSpinner = () => 
+        { 
+            lock (consoleLock)
             {
                 showSpinner = false; 
                 Console.Write("\r" + new string(' ', 40) + "\r"); 
+            }
         };
         CommandTool.ResumeSpinner = () => 
+        { 
+            lock (consoleLock)
             {
                 showSpinner = true; 
+            }
         };
 
         var spinnerTask = Task.Run(async () =>
@@ -264,22 +276,28 @@ while (true)
             {
                 while (!spinnerCts.Token.IsCancellationRequested)
                 {
-                    if (showSpinner)
+                    lock (consoleLock)
+                    {
+                        if (showSpinner && !spinnerCts.Token.IsCancellationRequested)
                         {
                             var frame = frames[i % frames.Count];
                             Console.Write($"\r\x1b[38;5;69m{frame}\x1b[0m Thinking...");
                             i++;
                         }
+                    }
                     try { await Task.Delay(interval, spinnerCts.Token); } catch { }
                 }
             }
             finally
             {
                 // Clear the spinner line and show cursor
+                lock (consoleLock)
+                {
                     if (showSpinner)
                         Console.Write("\r" + new string(' ', 40) + "\r");
                     Console.Write("\x1b[?25h");
                 }
+            }
         });
 
         try