diff --git a/src/hooks/module/useTrestle.js b/src/hooks/module/useTrestle.js
index 1160391f..71ee6123 100644
--- a/src/hooks/module/useTrestle.js
+++ b/src/hooks/module/useTrestle.js
@@ -2499,8 +2499,11 @@ export const useTrestle = () => {
     })
   }
 
-  function isPointInRect(rect, point) {
-    return point.x >= rect.x && point.x <= rect.x + rect.width && point.y >= rect.y && point.y <= rect.y + rect.height
+  // [DBL-CABLE-EPS 2026-07-10] 좌표가 소수점 2자리 반올림이라 千鳥 이웃 위치에 ±0.02 오차 누적 →
+  // 경계에 아슬아슬 걸친 이웃이 밖으로 판정되어 회로가 분리되고 유령 케이블(dblCblTotCnt) 1 발생.
+  // ε=0.5 로 반올림 오차 흡수(매칭 tolerance 0.5 기준). 남/북 fallback 에도 이 헬퍼 공유 사용.
+  function isPointInRect(rect, point, eps = 0.5) {
+    return point.x >= rect.x - eps && point.x <= rect.x + rect.width + eps && point.y >= rect.y - eps && point.y <= rect.y + rect.height + eps
   }
 
   // 25-04-02 추가
@@ -3384,75 +3387,18 @@ export const useTrestle = () => {
     const surfaces = canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.MODULE_SETUP_SURFACE)
     const modules = canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.MODULE)
 
-    let case1Cnt = 0
-    let case2Cnt = 0
-    const perSurfaceGroups = []
-
     surfaces.forEach((surface) => {
       const modules = surface.modules
       // 1. 현재 surface의 모듈들을 그룹화
       const groupInSurface = groupPoints(modules, surface)
       const surfaceCnt = countMatchingCircuitNumbers(groupInSurface)
-
-      perSurfaceGroups.push({
-        surfaceId: surface.id,
-        direction: surface.direction,
-        moduleIntvlHor: surface.trestleDetail?.moduleIntvlHor,
-        moduleIntvlVer: surface.trestleDetail?.moduleIntvlVer,
-        addedCnt: surfaceCnt,
-        groups: groupInSurface.map((g) =>
-          g.map((m) => {
-            const c = m.getCenterPoint()
-            return { id: m.id, circuitNumber: m.circuitNumber, x: +c.x.toFixed(2), y: +c.y.toFixed(2), w: m.width, h: m.height }
-          }),
-        ),
-      })
-
       cnt += surfaceCnt
-      case1Cnt += surfaceCnt
     })
 
     const groupByCircuitAndSurfaceCnt = groupByCircuitAndSurface(modules)
 
     Object.keys(groupByCircuitAndSurfaceCnt).forEach((key) => {
       cnt += groupByCircuitAndSurfaceCnt[key] - 1
-      case2Cnt += groupByCircuitAndSurfaceCnt[key] - 1
-    })
-
-    // [DBL-CABLE-PROD] 운영 1회 진단용 — env 게이트 없이 브라우저 콘솔에 전량 출력.
-    // 진단 후 제거. 이 한 줄만 복사해서 전달하면 원인(Case1 면내분리 / Case2 면교차) 확정 가능.
-    console.log('[DBL-CABLE-PROD]', {
-      total: cnt,
-      case1_sameSurfaceSplit: case1Cnt,
-      case2_crossSurface: case2Cnt,
-      groupByCircuitAndSurfaceCnt,
-      roofSizeSet,
-      modules: modules.map((m) => {
-        const c = m.getCenterPoint()
-        return {
-          id: m.id,
-          circuitNumber: m.circuitNumber,
-          surfaceId: m.surfaceId,
-          x: +c.x.toFixed(2),
-          y: +c.y.toFixed(2),
-          w: m.width,
-          h: m.height,
-          northModuleYn: m.moduleInfo?.northModuleYn,
-          moduleTpCd: m.moduleInfo?.moduleTpCd,
-          pcsItemId: m.pcsItemId,
-          pcsTpCd: m.pcs?.pcsTpCd,
-        }
-      }),
-      surfacesSummary: surfaces.map((s) => ({
-        id: s.id,
-        direction: s.direction,
-        moduleCount: s.modules?.length,
-        pitch: s.roofMaterial?.pitch,
-        roofMatlCd: s.roofMaterial?.roofMatlCd,
-        moduleIntvlHor: s.trestleDetail?.moduleIntvlHor,
-        moduleIntvlVer: s.trestleDetail?.moduleIntvlVer,
-      })),
-      perSurfaceGroups,
     })
 
     return cnt