feat: add PLT double cut option to plotter export

src/components/md-deck/hooks/usePlotterExport.ts

@@ -35,6 +35,7 @@ export function usePlotterExport(store: DeckStore): UsePlotterExportReturn {
   const cardHeight = () => store.state.dimensions?.cardHeight || 88;
   const shape = () => store.state.shape;
   const orientation = () => store.state.printOrientation || 'landscape';
+  const doubleCut = () => store.state.pltDoubleCut;
 
   /**
    * 生成单页满排时的 PLT 数据
@@ -60,7 +61,7 @@ export function usePlotterExport(store: DeckStore): UsePlotterExportReturn {
 
     // 将卡片路径转换为相对于 frameBoundsWithMargin 的坐标
     // 原点在 frameBoundsWithMargin 的左上角
-    const relativePaths = layout.cardPaths.map(cardPath => {
+    const relativePaths = layout.cardPaths.flatMap(cardPath => {
       const relativePoints = cardPath.points.map(([x, y]) => {
         // 转换为相对于 frameBounds 左上角的坐标
         const relativeX = x - frameBounds.x;
@@ -71,7 +72,11 @@ export function usePlotterExport(store: DeckStore): UsePlotterExportReturn {
         // 所以 plotterY = pltHeight - relativeY
         return [relativeX, pltHeight - relativeY] as [number, number];
       });
-      return relativePoints;
+      if (doubleCut()) {
+        // 重复一次：某些切割机需要每张卡牌切两次
+        return [relativePoints, relativePoints];
+      }
+      return [relativePoints];
     });
 
     // 起点和终点都在 frameBoundsWithMargin 的左上角 (0, pltHeight)