diff --git a/src/util/skeleton-utils.js b/src/util/skeleton-utils.js
index e46053c4..2329cc92 100644
--- a/src/util/skeleton-utils.js
+++ b/src/util/skeleton-utils.js
@@ -1994,11 +1994,11 @@ const createInnerLinesFromSkeleton = (roofId, canvas, skeleton, textMode, isOver
       let movedLines = []
 
       // 조건에 맞는 라인들만 필터링
-      const validWallLines = [...wallLines].sort((a, b) => a.idx - b.idx).filter((wallLine, index) => wallLine.idx - 1 === index)
+      const validWallLines = [...wallLines].sort((a, b) => a.idx - b.idx).filter((wallLine, index) => wallLine.idx - 1 === index); // [ASI-FIX 2026-05-15] 세미콜론 없으면 다음 줄 `(` 가 함수호출로 묶여 .filter(...)(...) → "is not a function" → SK 빌드 실패 + 확장선 누락
 
       // logger.log('', sortRoofLines, sortWallLines, sortWallBaseLines);
 
-      (sortWallLines.length === sortWallBaseLines.length && sortWallBaseLines.length > 3) &&
+      ;(sortWallLines.length === sortWallBaseLines.length && sortWallBaseLines.length > 3) &&
         sortWallLines.forEach((wallLine, index) => {
 
           const roofLine = sortRoofLines[index]