feat: PP钻带基础信息显示X/Y间距

检测PP钻带（文件名-pp结尾、4孔、直径4.000），计算上下孔X间距和左右孔Y间距
（欧氏距离），在MainWindow和StartupSelectionWindow的基础信息中显示。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

StartupSelectionWindow.xaml.cs

@@ -17,7 +17,8 @@ namespace DrillTools
         public StartupAction SelectedAction { get; private set; } = StartupAction.None;
 
         public StartupSelectionWindow(string filePath, bool canClearParameters = false, bool canGeneratePpDrillTape = false,
-            double minDrillDiameter = 0, double minSlotDiameter = 0, double minEADiameter = 0)
+            double minDrillDiameter = 0, double minSlotDiameter = 0, double minEADiameter = 0,
+            bool isPpDrillTape = false, double ppXSpacing = 0, double ppYSpacing = 0)
         {
             InitializeComponent();
             DataContext = new
@@ -25,7 +26,10 @@ namespace DrillTools
                 FileName = Path.GetFileNameWithoutExtension(filePath),
                 MinDrillDiameter = minDrillDiameter,
                 MinSlotDiameter = minSlotDiameter,
-                MinEADiameter = minEADiameter
+                MinEADiameter = minEADiameter,
+                IsPpDrillTape = isPpDrillTape,
+                PpXSpacing = ppXSpacing,
+                PpYSpacing = ppYSpacing
             };
             ClearParametersButton.Visibility = canClearParameters ? Visibility.Visible : Visibility.Collapsed;
             GeneratePpDrillTapeButton.Visibility = canGeneratePpDrillTape ? Visibility.Visible : Visibility.Collapsed;