diff --git a/A00_Common/design/design_pipeline_page.ts b/A00_Common/design/design_pipeline_page.ts
index 5db30c449..53974f7fe 100644
--- a/A00_Common/design/design_pipeline_page.ts
+++ b/A00_Common/design/design_pipeline_page.ts
@@ -22,6 +22,7 @@
  * ========================================================================== */
 
 import { createDesignPipeline, publishToStore, type DesignPipeline } from "./logic/design_pipeline";
+export { pipelineWork } from "./logic/design_pipeline";
 import { pipelineCrossSource, type PipelineCrossSource } from "./design_pipeline_cross";
 import { createStationsStage } from "./logic/design_pipeline_stations";
 import type {
@@ -353,7 +354,7 @@ function createPagePipeline(
       stationsShown = list;
     }
     if (!quiet) publish(event);
-  });
+  }, "가게");
   /** 노선 초안을 버린 차례 끝 — 초안 전 상세로 되돌림(열 때와 같은 상태 · 측점이 달라도 · 다른 자리는
    *  기록에) · 그 상세가 저장 정본(다시 하기도 같은 기준). 차례 끝에서 판정 — ground 를 건너뛰어도 · 사진첩
    *  되돌리기가 가게 초안을 먼저 비워도(349-0m). */
@@ -417,7 +418,7 @@ function createPagePipeline(
         : 0;
       options.onFacilitiesFollowed?.(far);
     });
-  });
+  }, "관 · 구조물");
   pipe.subscribe((event) => {
     if (event.kind !== "stage" || (event.stage !== "profile" && event.stage !== "cross")) return;
     const draft = pipe.input("route") !== null;
@@ -452,7 +453,7 @@ function createPagePipeline(
       else link.adoptPipeline(base, edits, draft);
     }
     drawnDraft = draft;
-  });
+  }, "새 상세 · 종단도");
 
   function facilitiesNow(): Facilities {
     return { pipes: store.get("pipes"), structures: store.get("structures") };
diff --git a/A00_Common/design/design_profile.ts b/A00_Common/design/design_profile.ts
index 500027878..18ac1dcf6 100644
--- a/A00_Common/design/design_profile.ts
+++ b/A00_Common/design/design_profile.ts
@@ -355,6 +355,10 @@ export function createDesignProfile(ctx: DesignProfileContext) {
     // 캐시에 얹는다. 그래야 **횡단 기준** 유토곡선과 횡단 카드가 따라 움직인다
     // (2026-08-03 사용자 보고: B05에서 계획선을 끌어도 횡단 곡선이 그대로였음).
     scheduleCrossPreview();
+    drawSoon();
+  }
+  /** 다음 틀에 한 번 그림 — 같은 차례 알림 · 갈아끼움 · 설정이 여러 번 불러도 한 번(349-0s). */
+  function drawSoon(): void {
     if (redrawPending) return;
     redrawPending = true;
     frameOf(root, () => {
@@ -366,13 +370,13 @@ export function createDesignProfile(ctx: DesignProfileContext) {
   /** 횡단 설계 프리뷰는 `_Profile_Preview` 몫(700줄 한계). */
   const crossPreview = createCrossPreview({
     projectId,
-    detail: () => detail,
+    detail: () => (pagePipeline.pagePipeline(projectId)?.input("route") ? null : detail), // 노선 초안 동안 안 셈(349-0s)
     routeId: () => routeId,
     edits: () => store.edits(),
     alignment: () => (store === preview ? null : alignment),
     debounceMs: () => (root.dataset.view === "cross" ? 120 : CROSS_PREVIEW_DEBOUNCE_MS),
     onApplied: (updated) => {
-      draw();
+      drawSoon();
       if (updated.length) callbacks?.onCrossDesignsUpdated?.(updated);
     },
   });
@@ -404,51 +408,53 @@ export function createDesignProfile(ctx: DesignProfileContext) {
   const scheduleLightSync = (): void => heights.scheduleLightSync();
 
   function draw(): void {
-    renderProfile({
-      // 그린 뒤 생긴 낡음도 다시 셈(317-1) · 노선 초안 동안은 묶음 cross 를 기다림
-      onStaleDesigns: (key) => crossPreview.scheduleIfStale(key, store === preview),
-      body,
-      callbacks,
-      massHaul,
-      tableOverlay,
-      store,
-      detail: () => pagePipeline.pipelineDetail(projectId) ?? detail,
-      alignment: () => alignment,
-      base: () => base,
-      stationInterval: () => stationInterval,
-      irregularStations: () => irregularStations,
-      minCoverTargets: () => minCoverTargets,
-      structures: () => structures,
-      structureTypes: () => structureTypes,
-      selectedStationId: () => selectedStationId,
-      setSelectedStationId: (value) => {
-        selectedStationId = value;
-      },
-      selectedStructureId: () => selectedStructureId,
-      setSelectedStructureId: (value) => {
-        selectedStructureId = value;
-      },
-      stationDisplay: () => stationDisplay,
-      setLastSize: (width, height) => {
-        lastWidth = width;
-        lastHeight = height;
-      },
-      renderBalance,
-      applyHeightCascade,
-      clearMainDragCooldown: drag.clearMainDragCooldown,
-      selectStation,
-      applyEdits,
-      handleToolPick,
-      zoom: profileZoom.state,
-      holdElevationRange: elevationHold.hold,
-      toolActive: () => tools.mode() !== "none",
-      tools,
-      stationIdAtStructure,
-      redraw: draw,
-      setElevationWindowUpdater: (update) => {
-        updateElevationWindow = update;
-      },
-    });
+    pagePipeline.pipelineWork("종단도", () =>
+      renderProfile({
+        // 그린 뒤 생긴 낡음도 다시 셈(317-1) · 노선 초안 동안은 묶음 cross 를 기다림
+        onStaleDesigns: (key) => crossPreview.scheduleIfStale(key, store === preview),
+        body,
+        callbacks,
+        massHaul,
+        tableOverlay,
+        store,
+        detail: () => pagePipeline.pipelineDetail(projectId) ?? detail,
+        alignment: () => alignment,
+        base: () => base,
+        stationInterval: () => stationInterval,
+        irregularStations: () => irregularStations,
+        minCoverTargets: () => minCoverTargets,
+        structures: () => structures,
+        structureTypes: () => structureTypes,
+        selectedStationId: () => selectedStationId,
+        setSelectedStationId: (value) => {
+          selectedStationId = value;
+        },
+        selectedStructureId: () => selectedStructureId,
+        setSelectedStructureId: (value) => {
+          selectedStructureId = value;
+        },
+        stationDisplay: () => stationDisplay,
+        setLastSize: (width, height) => {
+          lastWidth = width;
+          lastHeight = height;
+        },
+        renderBalance,
+        applyHeightCascade,
+        clearMainDragCooldown: drag.clearMainDragCooldown,
+        selectStation,
+        applyEdits,
+        handleToolPick,
+        zoom: profileZoom.state,
+        holdElevationRange: elevationHold.hold,
+        toolActive: () => tools.mode() !== "none",
+        tools,
+        stationIdAtStructure,
+        redraw: draw,
+        setElevationWindowUpdater: (update) => {
+          updateElevationWindow = update;
+        },
+      }),
+    );
   }
 
   /** 다른 영역에서 고른 자리가 화면 밖이면 가운데로(칠한 뒤 · `design_profile_viewport`). */
@@ -511,15 +517,9 @@ export function createDesignProfile(ctx: DesignProfileContext) {
         `${projectId}:${routeId ?? "-"}`,
         nextDetail.balloon_offsets ?? undefined,
       );
-      draw();
-      frameOf(root, draw);
-      // 저장된 횡단 설계가 옛 계획고로 굳어 있으면 진입 즉시 한 번 맞춘다 —
-      // 지금까지는 B06에 들어가야만 고쳐져, B05의 횡단 기준 유토곡선과 3D
-      // 예상형상이 옛 설계선을 그대로 썼다(2026-08-23 사용자 보고 · 실측 확인).
-      // 비교 대상은 **편집이 반영된 계획선**이다. 저장분끼리 견주면, 세션에 미저장 편집이
-      // 남은 채로 새로고침했을 때 「어긋남 없음」으로 나와 재계산이 예약되지 않고, 그리기
-      // 쪽은 편집분 기준으로 어긋났다고 보아 유토곡선이 영영 빈 화면이 됐다
-      // (2026-09-03 사용자 보고 — 편집 측점 2개가 세션에 남은 상태에서 재현).
+      drawSoon(); // 다음 틀 한 번(끌기 중 갈아끼움마다 두 번 그리던 것 · 349-0s)
+      // 저장 횡단이 옛 계획고로 굳어 있으면 진입 즉시 맞춤(08-23) — 비교 = 편집이 반영된 계획선
+      // (저장분끼리 견주면 세션 편집이 남은 새로고침에서 유토곡선이 빈 채 · 09-03).
       if (
         hasStaleDesigns({
           longitudinal: {
@@ -543,7 +543,7 @@ export function createDesignProfile(ctx: DesignProfileContext) {
     setEarthworkContext(next: RouteMassHaulContext | null) {
       massHaul.setContext(next);
       pagePipeline.pipelineEarthwork(projectId, next);
-      draw();
+      drawSoon();
     },
     setSelectedStation(stationId: string | null) {
       selectedStationId = stationId;
@@ -571,7 +571,7 @@ export function createDesignProfile(ctx: DesignProfileContext) {
       storedBase = { ...storedBase, policy };
       base = { ...base, policy };
       alignment = buildAlignment(base, store.edits());
-      draw();
+      drawSoon();
     },
     /** 확정된 노선 평면 선형을 우측 배수유역 지도에 겹친다(사업지 좌표계 m). */
     setRoutePolyline(points: ReadonlyArray<{ x: number; y: number }>) {
@@ -583,13 +583,13 @@ export function createDesignProfile(ctx: DesignProfileContext) {
       if (store !== preview) base = listed();
       if (base) alignment = buildAlignment(base, store.edits());
       pagePipeline.restartPagePipeline(projectId);
-      draw();
+      drawSoon();
     },
     /** 구조물 타입 레지스트리를 받아 마크 색·약호에 쓴다(최초 1회 · 우클릭 목록은 사이드 패널 몫). */
     setStructureTypes(types: StructureType[]) {
       structureTypes = types;
       syncDrainageSpans();
-      draw();
+      drawSoon();
     },
     /** 구조물 정본 목록을 반영해 그래프 서클마크를 다시 그린다. */
     setStructures(next: StructureInstance[]) {
@@ -598,7 +598,7 @@ export function createDesignProfile(ctx: DesignProfileContext) {
         selectedStructureId = null;
       }
       syncDrainageSpans();
-      draw();
+      drawSoon();
     },
     /** 고른 구조물에 알약 · 측점선을 맞춤 — 그 자리면 선 그대로(53-2) · keepStation(B06 카드 = 선 주인) = 선 없는 구조물 · 풂도 카드 선 지킴(177-3). */
     setSelectedStructure(structureId: string | null, keepStation = false) {
@@ -612,7 +612,7 @@ export function createDesignProfile(ctx: DesignProfileContext) {
     /** 이어 공사 시작 기준(측점번호·누가거리 오프셋)을 반영해 측점 라벨·누가거리 표시를 옮긴다. */
     setStationDisplay(next: { station: number; cumulative: number }) {
       stationDisplay = next;
-      draw();
+      drawSoon();
     },
     /**
      * 특정 chainage의 계획고 편집(station_offset·curve_radii)을 지운다.
@@ -642,7 +642,7 @@ export function createDesignProfile(ctx: DesignProfileContext) {
       if (store === preview) store = createProfileEditStore(routeId, savedEdits, () => rebuild());
       [preview, base] = [null, listed()];
       alignment = base && buildAlignment(base, store.edits()); // 그리기만 · 다시 셈 예약 없음(349-0l)
-      draw();
+      drawSoon();
     },
     /** [확정] 직전에 호출한다. 편집이 없으면 아무 것도 하지 않는다. */
     async save(): Promise<void> {
@@ -669,7 +669,7 @@ export function createDesignProfile(ctx: DesignProfileContext) {
       body.replaceChildren(empty);
     },
     /** 밖에서 바뀐 횡단 면적(카드 갱신)을 유토곡선 · 뱃지에 다시 싣는다. */
-    redraw: () => draw(),
+    redraw: () => drawSoon(),
     /** 오른쪽 판(배수유역도) — 판 없이 만들었으면 null. */
     side: drainagePanel,
     /** 그래프 영역 로딩 서클. 문구를 주면 켜고 null이면 끈다. */
@@ -683,7 +683,7 @@ export function createDesignProfile(ctx: DesignProfileContext) {
       setListening(active);
       if (!active) return;
       if (base) alignment = buildAlignment(base, store.edits());
-      draw();
+      drawSoon();
       drainagePanel?.load(projectId);
     },
     dispose() {
diff --git a/A00_Common/design/logic/design_pipeline.ts b/A00_Common/design/logic/design_pipeline.ts
index df3f19950..1dea2fe29 100644
--- a/A00_Common/design/logic/design_pipeline.ts
+++ b/A00_Common/design/logic/design_pipeline.ts
@@ -81,7 +81,8 @@ export interface DesignPipeline {
     value: unknown,
     part?: RangePart | null,
   ): Promise<PipelineRunRecord> | null;
-  subscribe(fn: (event: PipelineEvent) => void): () => void;
+  /** `name` = 기록 `work` 칸 이름(알림 받는 쪽 몫 ms · 349-0s). */
+  subscribe(fn: (event: PipelineEvent) => void, name?: string): () => void;
   output<K extends StageName>(name: K): PipelineOutputs[K] | null;
   /** 지금 입력(follow 가 고친 뒤 값 포함 · 읽기만). */
   input<K extends InputKey>(key: K): PipelineInputs[K];
@@ -126,6 +127,23 @@ function runLog(): { runs: PipelineRunRecord[] } {
   return root.__aisloPipeline;
 }
 
+const addWork = (record: PipelineRunRecord | undefined, name: string, ms: number): void => {
+  if (!record) return;
+  const work = (record.work ??= {});
+  work[name] = Math.round(((work[name] ?? 0) + ms) * 100) / 100;
+};
+
+/** 그리기 몫 재기(349-0s) — 마지막 차례 기록 `work[name]` 에 ms 를 더함(차례 뒤 늦은 그리기도 그 차례 몫). */
+export function pipelineWork<T>(name: string, fn: () => T): T {
+  const t0 = now();
+  try {
+    return fn();
+  } finally {
+    const runs = runLog().runs;
+    addWork(runs[runs.length - 1], name, now() - t0);
+  }
+}
+
 export function createDesignPipeline(options: { stages: PipelineStages }): DesignPipeline {
   const stages = options.stages;
   const inputs: PipelineInputs = {
@@ -151,7 +169,8 @@ export function createDesignPipeline(options: { stages: PipelineStages }): Desig
     outVer[name] = 0;
     pending[name] = null;
   });
-  const listeners = new Set<(event: PipelineEvent) => void>();
+  /** 알림 받는 쪽 → 기록 이름. */
+  const listeners = new Map<(event: PipelineEvent) => void, string>();
   const inFlight = new Set<Promise<unknown>>();
   let generation = 0;
   let controller = new AbortController();
@@ -159,10 +178,14 @@ export function createDesignPipeline(options: { stages: PipelineStages }): Desig
   let busy = false;
   let blockedWrites = 0;
 
-  const emit = (event: PipelineEvent): void => {
+  const emit = (event: PipelineEvent, record?: PipelineRunRecord): void => {
     busy = true;
     try {
-      listeners.forEach((fn) => fn(event));
+      listeners.forEach((name, fn) => {
+        const t0 = now();
+        fn(event);
+        addWork(record, name, now() - t0);
+      });
     } finally {
       busy = false;
     }
@@ -240,7 +263,7 @@ export function createDesignPipeline(options: { stages: PipelineStages }): Desig
     outVer[name] += 1;
     lastSig[name] = sig;
     delete pending[name];
-    emit({ kind: "stage", stage: name, value, generation: gen });
+    emit({ kind: "stage", stage: name, value, generation: gen }, record);
     return "ok";
   }
 
@@ -274,7 +297,9 @@ export function createDesignPipeline(options: { stages: PipelineStages }): Desig
         return record;
       }
       if (YIELD_AFTER.has(name) && record.stages[name] !== undefined) {
+        const t1 = now();
         await new Promise((resolve) => setTimeout(resolve, 0));
+        addWork(record, "쉼", now() - t1); // 그 사이 늦은 그리기 · 다른 일
         if (gen !== generation) {
           record.outcome = "dropped";
           return record;
@@ -324,8 +349,8 @@ export function createDesignPipeline(options: { stages: PipelineStages }): Desig
         : { sources: [source], fromM: 0, toM: Infinity, keys: [] };
       return begin(range);
     },
-    subscribe(fn) {
-      listeners.add(fn);
+    subscribe(fn, name = "알림") {
+      listeners.set(fn, name);
       return () => listeners.delete(fn);
     },
     output(name) {
diff --git a/A00_Common/design/logic/design_pipeline_types.ts b/A00_Common/design/logic/design_pipeline_types.ts
index 53abc1a96..b25e5a20c 100644
--- a/A00_Common/design/logic/design_pipeline_types.ts
+++ b/A00_Common/design/logic/design_pipeline_types.ts
@@ -289,4 +289,6 @@ export interface PipelineRunRecord {
     saved: number;
     pipeline: number;
   };
+  /** 알림 받는 쪽 · 그리기 몫 ms(이름별 · 349-0s) — 쉼 = profile 뒤 한 번 쉬는 동안(늦은 그리기 등). */
+  work?: Record<string, number>;
 }
diff --git a/B05_Profile/B05_Profile_UI_Profile_MassHaul.ts b/B05_Profile/B05_Profile_UI_Profile_MassHaul.ts
index d04fbde36..f7349e98a 100644
--- a/B05_Profile/B05_Profile_UI_Profile_MassHaul.ts
+++ b/B05_Profile/B05_Profile_UI_Profile_MassHaul.ts
@@ -23,6 +23,7 @@
  * ========================================================================== */
 
 import { readStateRaw, stateKey, writeStateRaw } from "../A00_Common/b_page_state";
+import { pipelineWork } from "../A00_Common/design/logic/design_pipeline";
 import type {
   EarthworkConversion,
   HaulEquipmentLimit,
@@ -359,7 +360,12 @@ export function createRouteMassHaulPanel(
     );
   }
 
+  /** 그리기 몫 기록(349-0s) — 묶음 마지막 차례 `work.유토곡선`. */
   function draw(params: RouteMassHaulDrawParams): void {
+    pipelineWork("유토곡선", () => drawNow(params));
+  }
+
+  function drawNow(params: RouteMassHaulDrawParams): void {
     lastParams = params;
     overlay.hidden = !open;
     syncHandlePosition();
diff --git a/B05_Profile/B05_Profile_UI_Profile_Preview.ts b/B05_Profile/B05_Profile_UI_Profile_Preview.ts
index e45450ddb..65b587ff7 100644
--- a/B05_Profile/B05_Profile_UI_Profile_Preview.ts
+++ b/B05_Profile/B05_Profile_UI_Profile_Preview.ts
@@ -73,7 +73,7 @@ export function createCrossPreview(ctx: CrossPreviewContext): CrossPreview {
   const stopGeneration = useDesignStore(ctx.projectId, null).subscribe("generation", (gen) => {
     const pipe = pagePipeline(ctx.projectId);
     if (!pipe || gen === null) return;
-    if (watched !== pipe) (watched = pipe).subscribe(onStage);
+    if (watched !== pipe) (watched = pipe).subscribe(onStage, "다시 셈 대기");
     awaiting = gen;
     window.clearTimeout(waitTimer);
     waitTimer = window.setTimeout(() => {
diff --git a/B06_Section/B06_Section_UI_Page_Station_Swap.ts b/B06_Section/B06_Section_UI_Page_Station_Swap.ts
index b1fc9b5ef..9f9632cea 100644
--- a/B06_Section/B06_Section_UI_Page_Station_Swap.ts
+++ b/B06_Section/B06_Section_UI_Page_Station_Swap.ts
@@ -60,7 +60,7 @@ function followDraftDetail(projectId: string, changed: () => void): () => void {
         if (next === drawn) return;
         drawn = next;
         changed();
-      }) ?? ((): void => undefined);
+      }, "횡단 카드") ?? ((): void => undefined);
   };
   attach();
   const stopStore = useDesignStore(projectId, null).subscribe("generation", attach);
diff --git a/resources/tester/helper_230_2_popout_frames.cjs b/resources/tester/helper_230_2_popout_frames.cjs
index c0a9c9e88..23a06bbd6 100644
--- a/resources/tester/helper_230_2_popout_frames.cjs
+++ b/resources/tester/helper_230_2_popout_frames.cjs
@@ -86,10 +86,12 @@ out.viewOf = {
 // ② 계획고 편집 뒤 다시 그리기(design_profile rebuild) — 두 번 불러도 한 번만 그림
 {
   const s = { draws: 0, previews: 0 };
-  const src = block(
-    read("A00_Common", "design", "design_profile.ts"),
-    "function rebuild(): void {",
-  );
+  const profileSrc = read("A00_Common", "design", "design_profile.ts");
+  // 다시 그림 예약 = drawSoon(349-0s · 같은 틀 한 번)
+  const src = [
+    block(profileSrc, "function rebuild(): void {"),
+    block(profileSrc, "function drawSoon(): void {"),
+  ].join("\n");
   run(`let redrawPending = false; ${src}\nrebuild(); rebuild(); s.rebuild = true;`, {
     s,
     base: null,
diff --git a/resources/tester/helper_349_0s_draw_work.cjs b/resources/tester/helper_349_0s_draw_work.cjs
new file mode 100644
index 000000000..d38f93d5c
--- /dev/null
+++ b/resources/tester/helper_349_0s_draw_work.cjs
@@ -0,0 +1,412 @@
+/* PLAN 349-0s sub7 헬퍼 — 노선 꼭짓점 끌기 여러 걸음 · 되돌리기의 묶음 기록(단계 · 알림 받는 쪽 · 그리기 몫 ms)과
+ * 걸음마다 종단도 그리기 수. 화면 틀(rAF)은 16 ms 뒤 부름으로 흉내 — 같은 틀 안 여러 번 그리기 요청은 한 번.
+ * 진짜 TS — 종단도 · 계산 묶음 · 상세 가게(그리기 본문 · 서버 창구만 가짜 · 종단 보기 renderSections 꼴 그대로).
+ * 입력 argv[2] JSON · argv[3] 격자 이진. 결과 = 표준출력 JSON. 짝 = `test_349_0s_draw_work.py`. */
+const fs = require("fs");
+const path = require("path");
+const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));
+const CATALOG = require("./helper_322_catalog_module.cjs");
+
+const ROOT = path.join(__dirname, "..", "..");
+const job = JSON.parse(fs.readFileSync(process.argv[2], "utf8"));
+
+function memoryStorage() {
+  const map = new Map();
+  return {
+    getItem: (key) => (map.has(key) ? map.get(key) : null),
+    setItem: (key, value) => map.set(key, String(value)),
+    removeItem: (key) => map.delete(key),
+    key: (index) => [...map.keys()][index] ?? null,
+    get length() {
+      return map.size;
+    },
+  };
+}
+const windowBase = {
+  sessionStorage: memoryStorage(),
+  localStorage: memoryStorage(),
+  setTimeout,
+  clearTimeout,
+  addEventListener: () => undefined,
+  removeEventListener: () => undefined,
+};
+globalThis.window = new Proxy(windowBase, {
+  get: (t, key) => (key in t ? t[key] : undefined),
+  set: (t, key, value) => ((t[key] = value), true),
+});
+
+// 흙 배분 서버 — 늦게 답함 · 끊기면 버림
+globalThis.fetch = (url, init) =>
+  new Promise((resolve, reject) => {
+    const timer = setTimeout(
+      () => resolve({ ok: true, json: async () => ({ haul_plan: { blocks: [], url } }) }),
+      20,
+    );
+    init.signal.addEventListener("abort", () => {
+      clearTimeout(timer);
+      reject(new Error("aborted"));
+    });
+  });
+
+const STUBS = {};
+const cache = new Map();
+function loadTs(full) {
+  if (cache.has(full)) return cache.get(full);
+  const js = ts.transpileModule(fs.readFileSync(full, "utf8"), {
+    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
+  }).outputText;
+  const box = { exports: {} };
+  cache.set(full, box.exports);
+  const localRequire = (request) => {
+    if (CATALOG.isCatalogRequest(request)) return CATALOG;
+    const key = Object.keys(STUBS).find((name) => request.endsWith(name));
+    if (key) return STUBS[key];
+    if (request.startsWith("@config/")) return { API_BASE_URL: "http://fake" };
+    if (request.startsWith("@ui/")) return anyModule();
+    if (request.endsWith(".css")) return {};
+    if (request.endsWith(".json")) return require(path.join(path.dirname(full), request));
+    if (request.startsWith("@util/"))
+      return loadTs(path.join(ROOT, "common_util", `${request.slice(6)}.ts`));
+    if (request.startsWith(".")) return loadTs(path.join(path.dirname(full), `${request}.ts`));
+    return require(request);
+  };
+  new Function("exports", "module", "require", js)(box.exports, box, localRequire);
+  return box.exports;
+}
+const load = (...parts) => loadTs(path.join(ROOT, ...parts));
+
+const sampler = load("common_util", "common_util_surface_sampler.ts");
+const bytes = fs.readFileSync(process.argv[3]);
+const grid = sampler.parseDtmGrid(
+  bytes.buffer.slice(bytes.byteOffset, bytes.byteOffset + bytes.length),
+);
+const local = { grid, design: "las" };
+
+/** 아무 화면 부품 — 무엇을 읽든 · 부르든 또 그것(DOM · 오버레이 · 도구줄 흉내). */
+function anyNode() {
+  const box = { dataset: {}, style: {}, classList: { add() {}, remove() {}, toggle() {} } };
+  return new Proxy(function node() {}, {
+    get: (_t, key) => {
+      if (key in box) return box[key];
+      if (key === "then" || typeof key === "symbol") return undefined;
+      return (box[key] = anyNode());
+    },
+    set: (_t, key, value) => ((box[key] = value), true),
+    apply: () => anyNode(),
+  });
+}
+const anyModule = (own = {}) =>
+  new Proxy(own, {
+    get: (t, key) =>
+      key in t
+        ? t[key]
+        : key === "__esModule"
+          ? true
+          : typeof key === "symbol"
+            ? undefined
+            : anyNode(),
+  });
+globalThis.document = anyNode();
+globalThis.HTMLElement = function HTMLElement() {};
+
+STUBS["B05_Profile_Api_Replan"] = {
+  analysisTerrain: () => "las",
+  fetchRoutePlan: async () => ({
+    planned: job.line,
+    curves: job.curves,
+    min_radius_m: job.minRadius,
+    station_snap: job.stationSnap,
+  }),
+};
+STUBS["B05_Profile_Api_Structures"] = anyModule({
+  fetchStructures: async () => ({ structures: job.structures }),
+  fetchStructureTypes: async () => job.types,
+  readPendingStructures: () => null,
+});
+STUBS["B05_Profile_Api_TerrainGrid"] = {
+  loadDesignTerrainGrid: async () => local,
+  groundStageDeps: () => ({ grid: () => local, remote: async () => [] }),
+};
+STUBS["B04_PreProcess_Api_Fetch"] = {
+  fetchDetailPipePoints: async () => ({
+    pipe_points: job.pipes.map((pipe) => ({ ...pipe, lonlat: [0, 0] })),
+  }),
+};
+STUBS["B06_Section_UI_Standard_Panel"] = {
+  effectiveStandardCross: () => job.standard,
+  readRockBoundaryDefault: () => -0.5,
+};
+// 구조물 초안 얹기(측점 계획 · 형상) — 이 시험 밖 · 아무 일 없음
+STUBS["B06_Section_Section_Drafts"] = {
+  withDraftStations: async () => undefined,
+  withDraftShapes: async () => undefined,
+  forgetDraftStations: () => undefined,
+};
+STUBS["B06_Section_Api_Fetch"] = {
+  fetchSectionDetail: async () => JSON.parse(JSON.stringify(job.detail)),
+  saveSections: async () => undefined,
+};
+// 횡단 다시 셈(브라우저 · B05 crossPreview · B06 카드 같은 창구) — 부른 횟수 · 면적은 서버와 달라짐(두 배)
+let refreshCalls = 0;
+const doubled = (detail) =>
+  detail.cross_sections.forEach((section) => {
+    if (!section.design) return;
+    const design = { ...section.design };
+    for (const [key, value] of Object.entries(design))
+      if (key.endsWith("_m2") && typeof value === "number") design[key] = value * 2;
+    section.design = design;
+  });
+STUBS["B06_Section_Cross_Refresh"] = {
+  refreshCrossDesigns: async ({ detail }) => {
+    refreshCalls += 1;
+    doubled(detail);
+    return detail.cross_sections.map((s) => s.chainage_m);
+  },
+  // 화면 선 맡김 · 낡음 판정 = 진짜 `staleAgainstScreen` 그대로(화면 선 → 없으면 상세 자기 선)
+  holdScreenAlignment: (line) => {
+    screenLine = line;
+    return () => undefined;
+  },
+  staleAgainstScreen: (detail, routeId) => {
+    const screen = screenLine?.(routeId);
+    if (!screen) return common.hasStaleDesigns(detail);
+    return common.hasStaleDesigns({
+      longitudinal: {
+        design_profiles: [
+          profileData.toDesignProfile(screen, detail.longitudinal.design_profiles?.[0]),
+        ],
+      },
+      cross_sections: detail.cross_sections,
+    });
+  },
+  USER_TOUCHED_KEYS: [],
+};
+let screenLine = null;
+STUBS["B06_Section_UI_Cross_Detail"] = anyModule();
+STUBS["B06_Section_UI_Page_Common"] = anyModule({ L: (key) => key });
+// 그리기 — 진짜 `renderProfile` 의 낡음 판정 줄만(같은 함수 · 같은 인자) · SVG 는 안 그림
+const draws = [];
+let opened = null;
+STUBS["B05_Profile_UI_Profile_Render"] = {
+  renderProfile: (ctx) => {
+    const detail = ctx.detail();
+    if (!detail) return;
+    const alignment = ctx.alignment();
+    const longitudinal = detail.longitudinal;
+    const designProfiles = alignment
+      ? [profileData.toDesignProfile(alignment, longitudinal.design_profiles?.[0])]
+      : (longitudinal.design_profiles ?? []);
+    const key = common.staleKey({
+      longitudinal: { design_profiles: designProfiles },
+      cross_sections: detail.cross_sections,
+    });
+    // 저장 상세를 그림 = 묶음 새 노선 상세(preview)가 아님 · 그린 객체(가게 것인지 견줌)
+    draws.push({ key, saved: !detail.cross_sections.some((s) => s.preview), ref: detail });
+    ctx.onStaleDesigns?.(key);
+  },
+};
+STUBS["common_util_view_window"] = { frameOf: (_root, fn) => setTimeout(() => fn(0), 16) };
+for (const name of [
+  "B05_Profile_UI_Profile_Balance",
+  "B05_Profile_UI_Profile_Heights",
+  "B05_Profile_UI_Profile_Panel_Tools",
+  "B05_Profile_UI_Profile_Zoom",
+  "B05_Profile_UI_Profile_Drag",
+  "B05_Profile_UI_Profile_MassHaul",
+  "design_profile_overlays",
+  "design_profile_viewport",
+  "design_save",
+  "B05_Profile_Api_Fetch",
+  "common_util_mass_haul_balance_view",
+])
+  STUBS[name] = anyModule();
+
+const pageMod = load("A00_Common", "design", "design_pipeline_page.ts");
+const storeMod = load("A00_Common", "design", "design_store.ts");
+const sectionStore = load("B06_Section", "B06_Section_Section_Store.ts");
+const common = load("B06_Section", "B06_Section_UI_Section_Common.ts");
+const layouts = load("B06_Section", "B06_Section_Structure_Layouts.ts");
+const profileData = load("B05_Profile", "logic", "B05_Profile_UI_Profile_Data.ts");
+const alignmentMod = load("B05_Profile", "logic", "B05_Profile_UI_Profile_Alignment.ts");
+const baseMod = load("A00_Common", "design", "design_profile_base.ts");
+const pageState = load("A00_Common", "b_page_state.ts");
+const massHaul = load("common_util", "common_util_mass_haul.ts");
+const profileMod = load("A00_Common", "design", "design_profile.ts");
+const designSync = load("B06_Section", "B06_Section_UI_Page_Design_Sync.ts");
+const designSession = load("B06_Section", "B06_Section_Cross_Design_Session.ts");
+const stationKeys = load("B06_Section", "B06_Section_Station_Keys.ts");
+// 진짜 다시 셈 창구(묶음 새 노선 상세를 안 고치는지만 봄 · 다른 곳은 위 가짜를 부름)
+const realRefresh = loadTs(path.join(ROOT, "B06_Section", "B06_Section_Cross_Refresh.ts"));
+
+const tick = (ms = 0) => new Promise((resolve) => setTimeout(resolve, ms));
+const runs = () => globalThis.__aisloPipeline?.runs ?? [];
+/** 묶음 · 상세 가게 · 다시 셈이 조용해질 때까지. */
+async function quiet() {
+  let seen = -1;
+  for (let i = 0; i < 400; i += 1) {
+    await tick(30);
+    const last = runs()[runs().length - 1];
+    const count = runs().length + refreshCalls * 1000 + draws.length * 1e6;
+    if (count === seen && (!last || last.outcome !== "running")) return;
+    seen = count;
+  }
+  throw new Error("묶음이 조용해지지 않음");
+}
+const n = job.nodes.length;
+const draftOf = (nodes) => ({
+  nodes,
+  curveOn: Array(n).fill(true),
+  curveRadius: Array(n).fill(null),
+  curveLock: Array(n).fill(null),
+  curveArc: Array(n).fill(null),
+  stationSnap: job.stationSnap,
+});
+const shift = (index, dx, dy) =>
+  job.nodes.map((node, i) => (i === index ? [node[0] + dx, node[1] + dy] : node));
+const sliceRuns = (mark) =>
+  runs()
+    .slice(mark)
+    .map((r) => ({
+      sources: r.sources,
+      outcome: r.outcome,
+      restored: r.restored ?? null,
+      why: r.restoreWhy ?? null,
+    }));
+const finalOf = (detail) => {
+  const [series] = massHaul.computeMassHaulSeries(
+    detail.longitudinal,
+    detail.cross_sections,
+    job.conversion,
+    undefined,
+    ["cross"],
+  );
+  const points = series?.result.points ?? [];
+  return points.length ? points[points.length - 1].cumulative_volume_m3 : null;
+};
+const crossOf = (detail) =>
+  JSON.stringify(detail.cross_sections.map((s) => [s.chainage_m, s.design, s.samples]));
+/** 서버 정본 흉내 — 저장 횡단 계획고 = 열 때 종단도 계획선(낡음 0 · 서버가 낸 상세와 같음). */
+function settleDesigns(detail) {
+  const pa = detail.longitudinal.profile_alignment;
+  const base = baseMod.listedBase(alignmentMod.toAlignmentBase(pa), detail, []);
+  const samples = alignmentMod.buildAlignment(base, pa.edits).samples;
+  const at = (c) => {
+    const i = samples.findIndex((s) => s.chainage_m >= c);
+    if (i < 0) return samples[samples.length - 1].elevation_m;
+    if (i === 0) return samples[0].elevation_m;
+    const a = samples[i - 1];
+    const b = samples[i];
+    return (
+      a.elevation_m +
+      ((b.elevation_m - a.elevation_m) * (c - a.chainage_m)) / (b.chainage_m - a.chainage_m)
+    );
+  };
+  detail.cross_sections.forEach((s) => (s.design.design_elevation_m = at(s.chainage_m)));
+}
+
+async function run() {
+  const P = "proj-349s";
+  const R = 7;
+  window.localStorage.setItem("frd_current_project_id", P);
+  opened = await sectionStore.loadSectionDetail(P, R);
+  settleDesigns(opened);
+  const profile = profileMod.createDesignProfile({
+    projectId: P,
+    view: "profile",
+    onSelectStation: () => undefined,
+  });
+  const live = () => sectionStore.loadSectionDetail(P, R);
+  pageMod.routeDraftBridge(P, profile, {
+    stationIntervalM: job.interval,
+    structureAreas: ({ cross_sections: rows }) =>
+      layouts.applyStructureAreaRows(rows, layouts.structureAreaRows(rows)),
+    holdDraft: (routeId, saved) => {
+      const hold = saved && sectionStore.holdSectionDetail(P, routeId, saved);
+      return async (stations) => {
+        if (!hold) {
+          await sectionStore.swapSectionStations(P, routeId, stations);
+          return "no-saved";
+        }
+        const back = await sectionStore.restoreSectionDetail(P, routeId, hold, stations);
+        return !back ? "no-cache" : back.same ? "saved" : "saved-diff";
+      };
+    },
+  });
+  // 종단 보기 `renderSections` 그대로 — 새 상세 → render · 정책 · 이어 공사 기준 · 비정규 측점(각각 다시 그림 부름)
+  const show = (detail) => {
+    profile.render(detail, job.interval, R);
+    profile.setGradeLimit(12);
+    profile.setStationDisplay({ station: 0, cumulative: 0 });
+    profile.setIrregularStations([]);
+  };
+  const stopListen = sectionStore.subscribeSectionDetail(P, R, (next) => show(next));
+  const swapMs = [];
+  const stopStore = storeMod.useDesignStore(P, null).subscribe("stations", (stations) => {
+    if (!stations?.length) return;
+    const t0 = performance.now();
+    void sectionStore
+      .swapSectionStations(P, R, stations)
+      .then(() => swapMs.push(Math.round((performance.now() - t0) * 100) / 100));
+  });
+  show(opened);
+  profile.setEarthworkContext({ conversion: job.conversion });
+  await quiet();
+  const detailBytes = JSON.stringify(await live()).length;
+
+  // 꼭짓점 끌기 — 마우스 움직임마다 한 번(놓기 전 여러 걸음)
+  const bridge = pageMod.routeDraftBridge(P, profile);
+  const steps = [];
+  for (let k = 1; k <= job.steps; k += 1) {
+    const mark = runs().length;
+    const drawMark = draws.length;
+    const swapMark = swapMs.length;
+    bridge.edited(draftOf(shift(1, 1.5 * k, -k)));
+    await quiet();
+    const ran = runs().slice(mark);
+    steps.push({
+      runs: ran.map((r) => ({
+        outcome: r.outcome,
+        totalMs: r.totalMs,
+        stagesMs: Object.entries(r.stages)
+          .filter(([name]) => !["haul", "drainage", "corridor"].includes(name))
+          .reduce((a, [, ms]) => a + ms, 0),
+        stages: r.stages,
+        work: r.work ?? {},
+      })),
+      draws: draws.length - drawMark,
+      swapMs: swapMs.slice(swapMark),
+    });
+  }
+  // 되돌리기
+  const mark = runs().length;
+  const drawMark = draws.length;
+  pageState.writeState("route-draft", null, P);
+  bridge.edited(null);
+  bridge.edited(null);
+  await quiet();
+  const undo = {
+    runs: runs()
+      .slice(mark)
+      .map((r) => ({
+        outcome: r.outcome,
+        totalMs: r.totalMs,
+        work: r.work ?? {},
+        why: r.restoreWhy,
+      })),
+    draws: draws.length - drawMark,
+  };
+  stopListen();
+  stopStore();
+  pageMod.disposePagePipeline(P);
+  return { steps, undo, detailBytes, refresh: refreshCalls };
+}
+
+run()
+  .then((out) => {
+    process.stdout.write(JSON.stringify(out));
+    process.exit(0);
+  })
+  .catch((error) => {
+    process.stderr.write(String(error && error.stack ? error.stack : error));
+    process.exit(1);
+  });
diff --git a/resources/tester/test_349_0s_draw_work.py b/resources/tester/test_349_0s_draw_work.py
new file mode 100644
index 000000000..3b5d4c2d5
--- /dev/null
+++ b/resources/tester/test_349_0s_draw_work.py
@@ -0,0 +1,154 @@
+"""PLAN 349-0s sub7 — 끌기 한 걸음 = 종단도 한 번 그림 · 묶음 기록에 알림 받는 쪽 · 그리기 몫(ms).
+
+· 꼭짓점 끌기 다섯 걸음 · 되돌리기 — 걸음마다 종단도 그리기 ≤ 2(종단 먼저 · 횡단 · 유토곡선 다음 틀)
+  (옛 길 = 갈아끼움 · 정책 · 이어 공사 기준 · 비정규 측점 · 새 상세 알림마다 바로 그림)
+· runs[].work — 가게 · 새 상세 · 종단도 · 쉼 이름별 ms(알림 받는 쪽 · 그리기 몫)
+· 되돌리기 = 열기 값 규칙 그대로(restored)
+짝: `helper_349_0s_draw_work.cjs`(실제 TS 를 Node 로 · 화면 부품 · 서버 창구만 가짜).
+"""
+
+from __future__ import annotations
+
+import csv
+import json
+import subprocess
+import sys
+import tempfile
+from pathlib import Path
+
+import pytest
+
+HERE = Path(__file__).resolve().parent
+ROOT = HERE.parents[1]
+if str(ROOT) not in sys.path:
+    sys.path.insert(0, str(ROOT))
+
+from B05_Profile.B05_Profile_Structures_Schema import structure_type_map  # noqa: E402
+from common_util.common_util_surface_sampler import dtm_grid_bytes  # noqa: E402
+from config.config_system_design import STANDARD_CROSS_SECTION  # noqa: E402
+
+pytestmark = pytest.mark.skipif(
+    not (ROOT / "config" / "node_modules" / "typescript").is_dir(),
+    reason="프론트엔드 의존성 미설치",
+)
+
+PROJECT = ROOT / "storage/1/3/6d3b2812-6d5a-4168-a932-40e4ae303d5a"  # 검증_sub7
+ROUTE = PROJECT / "B05_Profile/route"
+SECTION = PROJECT / "B06_Section"
+GRID = PROJECT / "B04_PreProcess/models/dtm_classification_smooth.npz"
+ONES = {g: {"loose": 1.0, "compacted": 1.0} for g in ("soil", "ripping_rock", "blasting_rock")}
+
+
+def _csv(path: Path) -> list[list[float]]:
+    with path.open(encoding="utf-8") as handle:
+        return [[float(r["x"]), float(r["y"])] for r in csv.DictReader(handle)]
+
+
+def _json(path: Path):
+    return json.loads(path.read_text(encoding="utf-8"))
+
+
+def _between(sections: list[dict], index: int) -> dict:
+    """두 측점 사이 한 점(0.37) — 누가거리 · 좌표."""
+    a, b = sections[index], sections[index + 1]
+    k = 0.37
+    return {
+        "chainage_m": round(a["chainage_m"] + k * (b["chainage_m"] - a["chainage_m"]), 2),
+        "x": a["center_x"] + k * (b["center_x"] - a["center_x"]),
+        "y": a["center_y"] + k * (b["center_y"] - a["center_y"]),
+    }
+
+
+@pytest.fixture(scope="module")
+def r() -> dict:
+    if not (GRID.is_file() and (SECTION / "longitudinal/longitudinal.json").is_file()):
+        pytest.skip("검증_sub7 없음")
+    curves = _json(ROUTE / "planned_route_curves.json")
+    sections = sorted(
+        (_json(p) for p in (SECTION / "cross_sections").glob("cross_*.json")),
+        key=lambda s: s["chainage_m"],
+    )
+    pipes = _json(PROJECT / "B04_PreProcess/drainage/edits/pipe_points.json")["points"]
+    # 세월교 하나 더(측점 사이) — 저장 상세엔 그 측점이 없음 = 묶음 저장 노선 측점과 다름(검증_sub7 세월교 2 + 1)
+    pipes = [*pipes, {"source": "manual", "facility": "ford_bridge", **_between(sections, -6)}]
+    # 저장 횡단 면적 = 서버가 상세를 낼 때 셈(파일엔 없음) — 정본 대신 정한 값
+    for i, section in enumerate(sections):
+        section["design"] = {
+            "ground_type": "soil",
+            "design_elevation_m": section["center_z"],
+            "cut_area_m2": 4.0 + (i % 5),
+            "fill_area_m2": 1.5 + (i % 3),
+        }
+    job = {
+        "line": _csv(ROUTE / "planned_route.csv"),
+        "nodes": _csv(ROUTE / "planned_route_nodes.csv"),
+        "curves": [
+            {k: c[k] for k in ("start", "apex", "end", "radius_m")} for c in curves["curves"]
+        ],
+        "stationSnap": bool(curves.get("station_snap")),
+        "minRadius": curves["min_radius_m"],
+        "interval": 20.0,
+        "types": [
+            {"type_id": t.type_id, "group": t.group, "placement": t.placement}
+            for t in structure_type_map().values()
+        ],
+        "pipes": pipes,
+        "standard": STANDARD_CROSS_SECTION,
+        "conversion": ONES,
+        # 구조물 하나 — 첫 관 자리 횡단배수(같은 측점을 덮음)
+        "structures": [
+            {
+                "structure_id": "s-349o",
+                "type_id": "cross_drain_exposed",
+                "chainage_m": pipes[0]["chainage_m"],
+                "x": pipes[0]["x"],
+                "y": pipes[0]["y"],
+            }
+        ],
+        # 열기 전에 고친 카드 선택 — 끌면 밀리는 측점(뒤쪽) · 단면 유형은 노선이 바뀌면 안 넘기는 칸
+        "touched": {
+            str(sections[-3]["chainage_m"]): {
+                "ground_type": "blasting_rock",
+                "section_mode": "right_cut",
+            }
+        },
+        "steps": 5,
+        "detail": {
+            "longitudinal": _json(SECTION / "longitudinal/longitudinal.json"),
+            "cross_sections": sections,
+        },
+    }
+    with tempfile.TemporaryDirectory() as folder:
+        path = Path(folder) / "job.json"
+        path.write_text(json.dumps(job), encoding="utf-8")
+        grid = Path(folder) / "grid.bin"
+        grid.write_bytes(dtm_grid_bytes(GRID))
+        proc = subprocess.run(  # noqa: S603 — 고정 실행 파일
+            ["node", str(HERE / "helper_349_0s_draw_work.cjs"), str(path), str(grid)],
+            capture_output=True,
+            text=True,
+            encoding="utf-8",
+            timeout=300,
+        )
+    assert proc.returncode == 0, proc.stderr
+    return json.loads(proc.stdout)
+
+
+def test_걸음마다_종단도_한두_번(r):
+    for step in r["steps"]:
+        assert [x["outcome"] for x in step["runs"]][-1] == "done", step["runs"]
+        assert 1 <= step["draws"] <= 2, step
+
+
+def test_그리기_몫_기록(r):
+    done = [x for step in r["steps"] for x in step["runs"] if x["outcome"] == "done"]
+    for x in done:
+        assert {"가게", "새 상세 · 종단도", "종단도", "쉼"} <= set(x["work"]), x["work"]
+        assert x["totalMs"] >= x["stagesMs"] * 0.99
+
+
+def test_되돌리기_그대로(r):
+    u = r["undo"]
+    assert [x["why"] for x in u["runs"]] == ["saved-diff"], u["runs"]  # 세월교 하나 더(0o 꼴)
+    assert 1 <= u["draws"] <= 2, u
+    assert r["refresh"] == 0