diff --git a/A00_Common/design/design_pipeline_page.ts b/A00_Common/design/design_pipeline_page.ts
index 895ecb64e..69f6a0bcc 100644
--- a/A00_Common/design/design_pipeline_page.ts
+++ b/A00_Common/design/design_pipeline_page.ts
@@ -337,6 +337,8 @@ function createPagePipeline(
           saved,
         )
       : list;
+  /** 다시 셈 창구가 낸 cross 출력(365-4) — 엔진 재사용에서 뺌. */
+  const savedOut = new WeakSet<object>();
   const pipe = createDesignPipeline({
     stages: {
       route: createRouteStage({
@@ -363,9 +365,11 @@ function createPagePipeline(
       // 단면 유형 기본값 = 새 지형 상단측(서버 노선 저장 규칙) — 단계 본문은 그대로 부름 · 저장 노선 = 다시 셈
       // 창구 한 벌(카드 · 유토곡선이 보는 상세 설계 · 365-4)
       cross: (ctx) => {
+        // 엔진은 다시 셈 창구가 낸 앞 출력을 이어 쓰지 않음 — 초안 = 새로고침과 같은 값(365-4)
         const engine = () =>
           crossStage.stage({
             ...ctx,
+            prev: ctx.prev && savedOut.has(ctx.prev) ? null : ctx.prev,
             inputs: {
               ...ctx.inputs,
               cross: crossWithUphill(
@@ -379,7 +383,12 @@ function createPagePipeline(
           !ctx.inputs.route && detail && typeof routeId === "number"
             ? options.savedCross?.(detail, routeId, ctx.out.ground?.stations ?? [])
             : null;
-        return saved ? saved.then((out) => out ?? engine()) : engine();
+        if (!saved) return engine();
+        return saved.then((out) => {
+          if (!out) return engine();
+          savedOut.add(out);
+          return out;
+        });
       },
       footprint: footprintStage,
       masshaul: createMassHaulStage(() => earthwork),
diff --git a/resources/tester/helper_365_page_pipeline.cjs b/resources/tester/helper_365_page_pipeline.cjs
index 8ee5eecee..eb9f29bfa 100644
--- a/resources/tester/helper_365_page_pipeline.cjs
+++ b/resources/tester/helper_365_page_pipeline.cjs
@@ -341,16 +341,26 @@ async function run() {
   const Q = "proj-365b";
   window.localStorage.setItem("frd_current_project_id", Q);
   let refreshCalls = 0;
-  const qBridge = pageMod.routeDraftBridge(Q, link(), {
+  let qBridge = pageMod.routeDraftBridge(Q, link(), {
     stationIntervalM: job.interval,
     savedCross: async (detail, _routeId, stations) => {
       if (!detailMod.detailCross(detail, stations)) return null;
       refreshCalls += 1;
+      // 창구가 고친 설계 흉내 — 계획고 = 지금 종단(엔진이 「같은 자리」로 볼 값) · 면적 표시 999
+      const profile = pageMod.pagePipeline(Q).output("profile");
+      detail.cross_sections.forEach((section) => {
+        section.design = {
+          ...section.design,
+          design_elevation_m: alignment.planElevationAt(profile, section.chainage_m),
+          cut_area_m2: 999,
+          fill_area_m2: 999,
+        };
+      });
       return detailMod.detailCross(detail, stations);
     },
   });
   pageMod.pipelineEarthwork(Q, { conversion: job.conversion });
-  const qPipe = pageMod.pagePipeline(Q);
+  let qPipe = pageMod.pagePipeline(Q);
   await settle(runs().length + 1);
   await tick(20);
   const openCalls = refreshCalls;
@@ -369,6 +379,25 @@ async function run() {
       qPipe.output("cross").byKey[firstKey]?.detail === job.detail.cross_sections[0].design,
   };
 
+  // ⑩ 다시 셈 창구로 연 뒤 끈 초안 = 새로고침(초안 둔 채 다시 열기) 초안 — 엔진이 창구 출력을 안 이어 씀
+  mark = runs().length;
+  qBridge.edited(draftOf(shift(n - 2, 0, 2)));
+  await settle(mark + 1);
+  await tick(job.haulDelayMs + 30);
+  const dragRows = shownRows(Q);
+  pageMod.disposePagePipeline(Q);
+  qBridge = pageMod.routeDraftBridge(Q, link(), { stationIntervalM: job.interval });
+  pageMod.pipelineEarthwork(Q, { conversion: job.conversion });
+  qPipe = pageMod.pagePipeline(Q);
+  await settle(runs().length + 1);
+  await tick(job.haulDelayMs + 30);
+  const reopenRows = shownRows(Q);
+  const sameAfterReload = {
+    rows: dragRows?.length ?? 0,
+    same: JSON.stringify(dragRows) === JSON.stringify(reopenRows),
+    marked: (dragRows ?? []).filter((row) => row[2] === 999).length,
+  };
+
   // ⑧ 중심점 좌우(356-3 꼴) — 노선 한 걸음 → 새 종단이 오면 계획고 맞춤 · 첫 차례는 cross 전에 밀림(무거운 셈 한 번)
   let graded = false;
   const stopShift = qPipe.subscribe((event) => {
@@ -389,7 +418,18 @@ async function run() {
     .map((r) => ({ outcome: r.outcome, cross: "cross" in r.stages, sources: r.sources }));
   pageMod.disposePagePipeline(Q);
   page.clearDrafts(Q);
-  return { kept, b05, b06, dropped, edit, loop, pane: paneCheck, saved, shiftRuns };
+  return {
+    kept,
+    b05,
+    b06,
+    dropped,
+    edit,
+    loop,
+    pane: paneCheck,
+    saved,
+    shiftRuns,
+    sameAfterReload,
+  };
 }
 
 run()
diff --git a/resources/tester/test_365_page_pipeline.py b/resources/tester/test_365_page_pipeline.py
index a77d6797b..fbc1c2841 100644
--- a/resources/tester/test_365_page_pipeline.py
+++ b/resources/tester/test_365_page_pipeline.py
@@ -150,6 +150,11 @@ def test_365_4_중심점_좌우_횡단_한_번(r):
     assert runs[1]["sources"] == ["route", "grade"]  # 밀린 노선 범위 + 계획고 = 한 차례
 
 
+def test_365_4_창구로_연_뒤_초안_새로고침과_같음(r):
+    s = r["sameAfterReload"]
+    assert s["rows"] > 5 and s["marked"] == 0 and s["same"]
+
+
 def test_365_4_다시_그림_한_번():
     swap = (ROOT / "B06_Section/B06_Section_UI_Page_Station_Swap.ts").read_text(encoding="utf-8")
     view = (ROOT / "A00_Common/design/design_view_cross.ts").read_text(encoding="utf-8")