refactor(OptionsDebugger): 移除重复的边框打印并重构为独立方法

将重复的边框打印逻辑移除，并重构为独立的CalculateTotalWidth和CenterPadDisplay方法，提高代码复用性和可维护性

Author: AlianBlank

GameFrameX.Foundation.Options/OptionsDebugger.cs

@@ -27,11 +27,6 @@ public static class OptionsDebugger
         /// <param name="options">解析后的选项对象</param>
         public static void PrintParsedOptions<T>(T options) where T : class
         {
-            Console.WriteLine("╔══════════════════════════════════════════════════════════════════════╗");
-            Console.WriteLine("║  Command-line parameter and parsed configuration object information  ║");
-            Console.WriteLine("╚══════════════════════════════════════════════════════════════════════╝");
-            Console.WriteLine();
-
             try
             {
                 // 使用反射获取所有属性
@@ -155,6 +150,19 @@ public static void PrintParsedOptions<T>(T options) where T : class
                 }
 
                 int maxTableWidth = Math.Max(60, consoleWidth - 1);
+
+                // 计算最终表格宽度，用于上方/下方的双线边框和居中标题
+                int tableWidth = CalculateTotalWidth();
+                string topDouble = "╔" + new string('═', Math.Max(0, tableWidth - 2)) + "╗";
+                string bottomDouble = "╚" + new string('═', Math.Max(0, tableWidth - 2)) + "╝";
+                string headerText = "Command-line parameter and parsed configuration object information";
+                string centeredHeader = CenterPadDisplay(headerText, Math.Max(0, tableWidth - 2));
+
+                Console.WriteLine(topDouble);
+                Console.WriteLine($"║{centeredHeader}║");
+                Console.WriteLine(bottomDouble);
+                Console.WriteLine();
+
                 while (CalculateTotalWidth() > maxTableWidth)
                 {
                     if (descWidth > minDescWidth)