diff --git a/B05_Profile/B05_Profile_UI_Drainage_Live.ts b/B05_Profile/B05_Profile_UI_Drainage_Live.ts
index e83a28ef8..0a92686af 100644
--- a/B05_Profile/B05_Profile_UI_Drainage_Live.ts
+++ b/B05_Profile/B05_Profile_UI_Drainage_Live.ts
@@ -42,7 +42,6 @@ import {
 } from "./logic/B05_Profile_Drainage_Live";
 import type { DetailRunner } from "./B05_Profile_UI_Drainage_Run";
 import { createDrainageSuggest, type DrainageSuggest } from "./B05_Profile_UI_Drainage_Suggest";
-import { pageHistory } from "./B05_Profile_UI_Profile_History";
 
 const MODE_KEY = "drainage-mode";
 
@@ -53,7 +52,7 @@ export interface DrainageLiveDeps {
   basinList: HTMLElement;
   pipeRequest: () => DetailPipeInput[];
   runner: DetailRunner;
-  /** [적용] · [자동 제안] 답이 화면에 오른 뒤 — 세션 초안에 담음. */
+  /** [적용] · [자동 제안] 답이 화면에 오른 뒤 — 세션 초안에 담고 사진첩 한 걸음(패널이 콜백으로 이음). */
   rememberPipes: () => void;
   /** 저장 배수유역 다시 받기(열 때와 같은 길 · 조용히) — 답을 화면에 올렸으면 true. */
   loadSaved: () => Promise<boolean>;
@@ -117,7 +116,6 @@ export function createDrainageLive(deps: DrainageLiveDeps): DrainageLive {
       .then((ok) => {
         if (!ok) return;
         deps.rememberPipes();
-        pageHistory()?.record();
       });
   };
   const suggest = createDrainageSuggest(deps.pipeRequest, (points) =>
@@ -202,7 +200,6 @@ export function createDrainageLive(deps: DrainageLiveDeps): DrainageLive {
         if (applied) stale = false;
         if (applied && proposal) {
           deps.rememberPipes();
-          pageHistory()?.record();
         }
         paint();
       });
diff --git a/B05_Profile/B05_Profile_UI_Drainage_Panel.ts b/B05_Profile/B05_Profile_UI_Drainage_Panel.ts
index a559d0664..62e613a0f 100644
--- a/B05_Profile/B05_Profile_UI_Drainage_Panel.ts
+++ b/B05_Profile/B05_Profile_UI_Drainage_Panel.ts
@@ -34,7 +34,6 @@ import { snapStructureStation } from "../common_util/common_util_structure_stati
 import { createFacilityStore } from "./B05_Profile_UI_Drainage_Facility";
 import { mergeFacilityOptions } from "./logic/B05_Profile_UI_Drainage_Facility_Merge";
 import { readPendingPipes, writePendingPipes } from "./B05_Profile_Api_Pipes_Draft";
-import { pageReplaying } from "./B05_Profile_UI_Profile_History";
 import { buildPipeReports } from "./B05_Profile_UI_Drainage_Report";
 import { fillFordHeights, fordWaitsOf, waitsFordHeight } from "./B05_Profile_UI_Drainage_Ford_Fill";
 import { createDrainageChrome } from "./B05_Profile_UI_Drainage_Chrome";
@@ -427,7 +426,7 @@ export function createDrainagePanel(callbacks: DrainagePanelCallbacks = {}): Dra
     basinList,
     pipeRequest,
     runner,
-    rememberPipes,
+    rememberPipes: () => (rememberPipes(), callbacks.onPipesDrafted?.()), // + 사진첩 한 걸음(369-4)
     loadSaved: () => run(loadSaved, true), // 초안 버림 = 저장분 조용히(349-0i)
   });
   analyzeButton.addEventListener("click", () => void analyze());
@@ -593,8 +592,9 @@ export function createDrainagePanel(callbacks: DrainagePanelCallbacks = {}): Dra
       const next = reconcilePipes(pipeEditor.pipes(), chainages);
       if (!next) return; // 같은 목록 — 되돌아온 것이므로 여기서 끊는다
       // 되돌리기 = 그 걸음 초안의 속성 · id · 초안 없는 걸음은 저장분(369) · 구조물 폼은 속성 데려감
-      const pending = pageReplaying() ? readPendingPipes(projectId as string) : null;
-      if (pageReplaying() && !pending) return void run(loadSaved, true);
+      const replaying = callbacks.isReplaying?.() ?? false; // 종단쪽 약속(369-4)
+      const pending = replaying ? readPendingPipes(projectId as string) : null;
+      if (replaying && !pending) return void run(loadSaved, true);
       const draft = adoptDraftPipes(pending, next);
       const after = next.map((pipe) => pipe.chainage_m);
       if (draft) facilityStore.replaceFromResponse(draft);
diff --git a/B05_Profile/B05_Profile_UI_Drainage_Panel_Types.ts b/B05_Profile/B05_Profile_UI_Drainage_Panel_Types.ts
index 442b186c4..5a0586d03 100644
--- a/B05_Profile/B05_Profile_UI_Drainage_Panel_Types.ts
+++ b/B05_Profile/B05_Profile_UI_Drainage_Panel_Types.ts
@@ -90,4 +90,9 @@ export interface DrainagePanelCallbacks {
   /** 배수유역도 우클릭 빈 자리 메뉴 — 사이드 「구조물 배치」와 같은 구조물군 → 종류
    *  2단 항목(2026-08-18 일원화). 선택 = 폼 자동 지정(addAt 경유). */
   structureMenuItems?: (chainageM: number) => MapContextMenuItem[];
+  /** [자동 제안] · 제안 [적용] 관 초안이 화면에 오른 뒤 — 되돌리기 사진첩 한 걸음(346-4 · 369-4).
+   *  판을 세우는 종단쪽이 넘김 — 판은 종단 패널을 안 가져옴(24-2e). */
+  onPipesDrafted?: () => void;
+  /** 되돌리기 · 다시하기가 세션을 되쓰는 중인가 — 그때 관 목록은 그 걸음 초안(없으면 저장분)으로. */
+  isReplaying?: () => boolean;
 }
diff --git a/B05_Profile/B05_Profile_UI_Profile_SideTool.ts b/B05_Profile/B05_Profile_UI_Profile_SideTool.ts
index 85e81c343..6b0965a5d 100644
--- a/B05_Profile/B05_Profile_UI_Profile_SideTool.ts
+++ b/B05_Profile/B05_Profile_UI_Profile_SideTool.ts
@@ -6,6 +6,12 @@
 
 import type { DesignSideFactory } from "../A00_Common/design/design_profile";
 import { createDrainageSide } from "./B05_Profile_UI_Drainage_Side";
+import { pageHistory, pageReplaying } from "./B05_Profile_UI_Profile_History";
 
-/** 오른쪽 판 — 두 보기가 같은 판을 쓴다. */
-export const drainageSide: DesignSideFactory = (host) => createDrainageSide(host);
+/** 오른쪽 판 — 두 보기가 같은 판을 쓴다. 되돌리기 이음은 판 대신 여기서(369-4 · 판은 종단 패널을 안 가져옴). */
+export const drainageSide: DesignSideFactory = (host) =>
+  createDrainageSide({
+    ...host,
+    onPipesDrafted: () => pageHistory()?.record(),
+    isReplaying: pageReplaying,
+  });
diff --git a/resources/tester/helper_349_drainage_live_flow.cjs b/resources/tester/helper_349_drainage_live_flow.cjs
index 5e7f6af17..9946d7eaa 100644
--- a/resources/tester/helper_349_drainage_live_flow.cjs
+++ b/resources/tester/helper_349_drainage_live_flow.cjs
@@ -105,7 +105,6 @@ const stubs = {
     currentLanguageIndex: 0,
     ui_locales: new Proxy({}, { get: (_target, key) => [key, key] }),
   },
-  "./B05_Profile_UI_Profile_History": { pageHistory: () => ({ record: () => (records += 1) }) },
   "../A00_Common/b_page_state": {
     readStateRaw: (key) => state.get(key) ?? null,
     writeStateRaw: (key, value) => state.set(key, value),
@@ -181,7 +180,8 @@ async function main() {
     basinList: el("list"),
     pipeRequest: () => pipes,
     runner,
-    rememberPipes: () => (remembered += 1),
+    // 패널이 넘기는 꼴 그대로 — 초안에 담음 + 사진첩 한 걸음(369-4 · onPipesDrafted)
+    rememberPipes: () => ((remembered += 1), (records += 1)),
     // 저장분 다시 받기(349-0i) — 답은 시험이 정할 때 옴
     loadSaved: () => {
       savedLoads += 1;