fix(est): block missing quantity markers

tools/est-test/native-quantity.cjs

@@ -56,6 +56,12 @@ const EstQuantity = (() => {
     return { Code: code, Name: name, rows, items, options };
   }
   function calculate(sheet) {
+    const markerErrors = sheet.rows.flatMap((row, index) => {
+      const count = [...String(row.LineData || "").matchAll(/\x12([-\d.,]+)\x12/g)].length;
+      return count === (row.markers || []).length
+        ? []
+        : [`${index + 1}행: 결과 표지 수가 다릅니다.`];
+    });
     const input = [
       { Index: 1, Code: sheet.Code, LineData: "" },
       ...sheet.rows.map((row) => {
@@ -110,7 +116,7 @@ const EstQuantity = (() => {
       rows: result.rows.slice(1),
       items: sheet.items.map((item) => ({ ...item, GN: values.get(item.Code) ?? item.GN })),
       checks,
-      errors: result.errors,
+      errors: [...result.errors, ...markerErrors],
     };
   }
   function manual(items) {