feat: update tool logs to be more coherent

Tools/CommandTool.cs

@@ -21,7 +21,7 @@ internal static class CommandTool
     public static string ExecuteCommand(
         [Description("The shell command to execute.")] string command)
     {
-        Log($"Command request: {command}");
+        Log($" ● execute_command: {command}");
 
         // Prompt for user approval
         PauseSpinner?.Invoke();