diff --git a/B05_Profile/B05_Profile_UI_Drainage_Live.ts b/B05_Profile/B05_Profile_UI_Drainage_Live.ts
index 0714734cb..503b39851 100644
--- a/B05_Profile/B05_Profile_UI_Drainage_Live.ts
+++ b/B05_Profile/B05_Profile_UI_Drainage_Live.ts
@@ -7,6 +7,8 @@
  *     기다리지 않고 null 을 돌려줌(배수유역은 뒤 단계 · 출력 없음).
  *   - 노선 초안이 있으면 「낡음」 — 자동 = 3 s 조용한 뒤 셈 · 수동 = 칸만 흐림 + 가운데 [업데이트].
  *   - 다시 조작하면 처음으로 — 떠 있는 요청을 끊고(AbortController) 다시 흐림 또는 다시 3 s.
+ *     묶음이 같은 노선 · 관으로 다시 돌면(입력 지문 같음) 그대로 둠 — 떠 있는 답을 받음.
+ *   - 서버가 「낡음」으로 답하면(노선 [저장] 뒤 등) 같은 흐림 + [업데이트] · 자동이면 3 s 뒤.
  *   - 답은 패널 요청 감싸기(`DetailRunner`, quiet)로 올림 — 옛 차례 · 서버가 그만둔 답은 버림.
  *   - 덮개 · 잠금 없음 — 다른 칸 조작은 그대로.
  * ========================================================================== */
@@ -24,6 +26,7 @@ import {
 import {
   acceptLive,
   draftMakesStale,
+  inputKey,
   liveRequestBody,
   parseDrainageMode,
   QUIET_MS,
@@ -50,6 +53,8 @@ export interface DrainageLive {
   stage: StageFn<"drainage">;
   /** 낡음을 지금 노선으로 다시 셈(자동 · [업데이트]와 같은 길). */
   refresh(): void;
+  /** 서버 답이 「낡음」 — 흐림 + [업데이트](자동이면 3 s 뒤 셈). 이미 낡음이면 그대로. */
+  markStale(): void;
   /** [확정]이 서버에서 다시 셈 — 낡음 지움(떠 있는 요청 · 기다림도 끊음). */
   markFresh(): void;
   readonly stale: boolean;
@@ -93,6 +98,8 @@ export function createDrainageLive(deps: DrainageLiveDeps): DrainageLive {
   let route: unknown = null;
   let stale = false;
   let generation = 0;
+  /** 마지막 단계 입력 지문 — 같으면 묶음이 다시 돈 것뿐. */
+  let key = "";
   let timer = 0;
   let inflight: AbortController | null = null;
 
@@ -134,16 +141,16 @@ export function createDrainageLive(deps: DrainageLiveDeps): DrainageLive {
     const projectId = deps.runner.projectId();
     if (!projectId) return;
     cancel();
-    const sent = generation;
+    const sent = { generation: ++generation, key };
     const controller = new AbortController();
     inflight = controller;
     paint();
-    const body = liveRequestBody(sent, route, deps.pipeRequest());
+    const body = liveRequestBody(sent.generation, route, deps.pipeRequest());
     void deps.runner
       .run(async () => {
         const response = await fetchLive(projectId, body, controller.signal);
         // 옛 차례 · 서버가 그만둔 답 — 감싸기가 조용히 버리게 끊김으로 돌려줌.
-        if (!acceptLive(response, sent, generation))
+        if (!acceptLive(response, sent, { generation, key }))
           throw new DOMException("superseded", "AbortError");
         return response;
       }, true)
@@ -157,7 +164,6 @@ export function createDrainageLive(deps: DrainageLiveDeps): DrainageLive {
 
   /** 평면 · 관 자리 조작 — 처음으로(요청 끊기 · 다시 흐림 또는 다시 3 s). */
   function invalidate(): void {
-    generation += 1;
     cancel();
     stale = true;
     if (mode === "auto") timer = window.setTimeout(refresh, QUIET_MS);
@@ -208,11 +214,20 @@ export function createDrainageLive(deps: DrainageLiveDeps): DrainageLive {
   return {
     stage(ctx) {
       route = ctx.inputs.route;
+      const next = inputKey(route, ctx.inputs.pipes);
+      if (next === key) return null;
+      key = next;
       if (draftMakesStale(route) || stale) invalidate();
       return null;
     },
     refresh,
     suggest,
+    markStale() {
+      if (stale) return;
+      stale = true;
+      if (mode === "auto" && !inflight) timer = window.setTimeout(refresh, QUIET_MS);
+      paint();
+    },
     markFresh() {
       cancel();
       stale = false;
diff --git a/B05_Profile/B05_Profile_UI_Drainage_Panel.ts b/B05_Profile/B05_Profile_UI_Drainage_Panel.ts
index ec29e8a39..d6ec5155a 100644
--- a/B05_Profile/B05_Profile_UI_Drainage_Panel.ts
+++ b/B05_Profile/B05_Profile_UI_Drainage_Panel.ts
@@ -340,6 +340,7 @@ export function createDrainagePanel(callbacks: DrainagePanelCallbacks = {}): Dra
   function apply(response: DetailBasinResponse): void {
     basins = response.basins;
     live.suggest.update(response);
+    if (response.stale) live.markStale(); // 노선 [저장] 뒤 등 — 흐림 + [업데이트](자동이면 3 s 뒤)
     mainBoundary = response.main_polygon_lonlat ?? [];
     upstreamLines = (response.upstream_lonlat ?? []) as Array<Array<[number, number]>>;
     flowArrows = (response.flow_arrows ?? []) as FlowArrow[];
diff --git a/B05_Profile/B05_Profile_UI_Style_Drainage.css b/B05_Profile/B05_Profile_UI_Style_Drainage.css
index 67a1699d5..2ca878278 100644
--- a/B05_Profile/B05_Profile_UI_Style_Drainage.css
+++ b/B05_Profile/B05_Profile_UI_Style_Drainage.css
@@ -291,6 +291,7 @@
 }
 
 .b05-drainage__veil .b05-drainage__update {
+  margin-left: 0; /* 머리 줄 단추의 오른쪽 붙임(auto) 풂 — 흐린 칸 가운데 */
   pointer-events: auto;
 }
 
diff --git a/B05_Profile/logic/B05_Profile_Drainage_Live.ts b/B05_Profile/logic/B05_Profile_Drainage_Live.ts
index 16ab31a16..caf190ffd 100644
--- a/B05_Profile/logic/B05_Profile_Drainage_Live.ts
+++ b/B05_Profile/logic/B05_Profile_Drainage_Live.ts
@@ -5,7 +5,8 @@
  *   - 대상 = 평면(노선 초안) · 관 자리만 — 종단 · 횡단 조작은 배수유역 결과를 안 바꿈(묶음 deps 와 같음).
  *   - 노선 초안이 없으면(저장 노선 그대로) 낡음 아님 — 관 조작은 세부 유역 나눔(0.2 s)이 바로 맞춤.
  *   - 자동 = 조용한 뒤 `QUIET_MS` · 수동 = 흐림 + [업데이트] · 기본 수동.
- *   - 답 채택 = 보낸 차례가 지금 차례와 같고 서버가 그만두지 않았을 때만(늦은 답 버림).
+ *   - 묶음이 같은 입력으로 다시 돌면(입력 지문 같음) 낡음 · 떠 있는 요청을 그대로 둠.
+ *   - 답 채택 = 보낸 차례 · 입력 지문이 지금과 같고 서버가 그만두지 않았을 때만(늦은 답 버림).
  * ========================================================================== */
 
 export type DrainageMode = "manual" | "auto";
@@ -20,6 +21,15 @@ export const parseDrainageMode = (raw: string | null | undefined): DrainageMode
 /** 묶음 drainage 단계 입력 → 낡았는가 — 노선 초안이 있을 때만. */
 export const draftMakesStale = (route: unknown): boolean => route !== null && route !== undefined;
 
+/** 묶음 drainage 입력 지문 — 노선 초안(판 번호 rev 뺌) · 관 id · 자리(cm). */
+export function inputKey(route: unknown, pipes: unknown): string {
+  const draft = route && typeof route === "object" ? { ...route, rev: undefined } : null;
+  const spots = Array.isArray(pipes)
+    ? pipes.map((pipe) => `${pipe?.id ?? ""}@${Math.round(Number(pipe?.chainage_m) * 100)}`).sort()
+    : [];
+  return JSON.stringify([draft, spots]);
+}
+
 /** 「지금 노선으로 셈」 몸통 — 서버 `post_drainage_live`. */
 export function liveRequestBody<P>(
   generation: number,
@@ -29,15 +39,16 @@ export function liveRequestBody<P>(
   return { generation, route: route ?? null, points };
 }
 
-/** 답을 화면에 올리는가 — 서버가 그만둔 답 · 옛 차례 답은 버림. */
+/** 답을 화면에 올리는가 — 서버가 그만둔 답 · 옛 차례 · 입력이 바뀐 뒤 답은 버림. */
 export function acceptLive(
   response: { status?: string; generation?: number },
-  sentGeneration: number,
-  currentGeneration: number,
+  sent: { generation: number; key: string },
+  now: { generation: number; key: string },
 ): boolean {
   return (
     response.status !== "superseded" &&
-    sentGeneration === currentGeneration &&
-    (response.generation === undefined || response.generation === sentGeneration)
+    sent.generation === now.generation &&
+    sent.key === now.key &&
+    (response.generation === undefined || response.generation === sent.generation)
   );
 }
diff --git a/resources/tester/helper_347_2_drainage_live.cjs b/resources/tester/helper_347_2_drainage_live.cjs
index 940201632..ab70c09ca 100644
--- a/resources/tester/helper_347_2_drainage_live.cjs
+++ b/resources/tester/helper_347_2_drainage_live.cjs
@@ -31,6 +31,7 @@ const basins = [
 ];
 const candidates = [{ chainage_m: 200 }, { chainage_m: 500.2 }];
 const before = JSON.stringify(pipes);
+const at = (generation) => ({ generation, key: "k" }); // 349 — 차례 + 입력 지문
 const suggestions = sug.collectSuggestions(pipes, basins, candidates);
 const applied = sug.applySuggestions(pipes, suggestions);
 
@@ -44,10 +45,10 @@ process.stdout.write(
     ],
     stale: [live.draftMakesStale(null), live.draftMakesStale({ rev: 1 })],
     accept: [
-      live.acceptLive({ status: "success", generation: 3 }, 3, 3),
-      live.acceptLive({ status: "success", generation: 3 }, 3, 4),
-      live.acceptLive({ status: "superseded" }, 3, 3),
-      live.acceptLive({ status: "success", generation: 2 }, 3, 3),
+      live.acceptLive({ status: "success", generation: 3 }, at(3), at(3)),
+      live.acceptLive({ status: "success", generation: 3 }, at(3), at(4)),
+      live.acceptLive({ status: "superseded" }, at(3), at(3)),
+      live.acceptLive({ status: "success", generation: 2 }, at(3), at(3)),
     ],
     body: live.liveRequestBody(5, undefined, [{ chainage_m: 1 }]),
     suggestions,
diff --git a/resources/tester/helper_349_drainage_live_flow.cjs b/resources/tester/helper_349_drainage_live_flow.cjs
new file mode 100644
index 000000000..b8ece017b
--- /dev/null
+++ b/resources/tester/helper_349_drainage_live_flow.cjs
@@ -0,0 +1,286 @@
+/* 349 배수유역 자동/수동 흐름 헬퍼 — 화면 파일 `B05_Profile_UI_Drainage_Live.ts` · `_Run.ts` ·
+ * `_Suggest.ts` 를 그 자리에서 트랜스파일해 가짜 DOM · 시계 · fetch 로 돌리고 단계별 상태를 JSON 으로 냄.
+ */
+const fs = require("fs");
+const path = require("path");
+const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));
+
+const B05 = path.join(__dirname, "..", "..", "B05_Profile");
+
+/* ---- 가짜 DOM ---- */
+function el(tag) {
+  const set = new Set();
+  return {
+    tag,
+    children: [],
+    hidden: false,
+    className: "",
+    textContent: "",
+    title: "",
+    disabled: false,
+    checked: false,
+    listeners: {},
+    classList: {
+      toggle: (name, on) => (on ? set.add(name) : set.delete(name)),
+      add: (name) => set.add(name),
+      contains: (name) => set.has(name),
+    },
+    append(...kids) {
+      this.children.push(...kids);
+    },
+    before(kid) {
+      this.beforeNode = kid;
+    },
+    replaceChildren(...kids) {
+      this.children = kids;
+    },
+    addEventListener(type, fn) {
+      (this.listeners[type] ??= []).push(fn);
+    },
+    fire(type) {
+      (this.listeners[type] ?? []).forEach((fn) => fn());
+    },
+  };
+}
+global.document = { createElement: el };
+
+/* ---- 가짜 시계 ---- */
+let clock = 0;
+let timerId = 0;
+const timers = new Map();
+global.window = {
+  setTimeout(fn, ms) {
+    timers.set(++timerId, { fn, at: clock + ms });
+    return timerId;
+  },
+  clearTimeout(id) {
+    timers.delete(id);
+  },
+};
+function advance(ms) {
+  clock += ms;
+  for (const [id, timer] of [...timers]) {
+    if (timer.at <= clock) {
+      timers.delete(id);
+      timer.fn();
+    }
+  }
+}
+
+/* ---- 가짜 fetch(배수유역 live) ---- */
+const calls = [];
+global.fetch = (url, init) =>
+  new Promise((resolve, reject) => {
+    const call = { url, body: JSON.parse(init.body), aborted: false };
+    call.answer = (payload) => resolve({ ok: true, status: 200, json: async () => payload });
+    init.signal.addEventListener("abort", () => {
+      call.aborted = true;
+      reject(new DOMException("aborted", "AbortError"));
+    });
+    calls.push(call);
+  });
+const flush = async () => {
+  for (let i = 0; i < 10; i += 1) await new Promise((r) => setImmediate(r));
+};
+
+/* ---- 모듈 읽기(그 자리 트랜스파일 · 바깥 모듈은 가짜) ---- */
+const state = new Map();
+const detailCalls = [];
+const stubs = {
+  "@config/config_frontend": { API_BASE_URL: "/api" },
+  "@ui/ui_template_progress": { createProgressCircle: () => ({ root: el("progress") }) },
+  // ⚙ 창 — 둘째 줄(자동) 라디오를 고름
+  "@ui/ui_template_modal": {
+    openModal: (options) => {
+      const body = el("modal");
+      options.mount(body, () => undefined);
+      body.children[1].children[0].fire("change");
+    },
+  },
+  "../A00_Common/b_page_state": {
+    readStateRaw: (key) => state.get(key) ?? null,
+    writeStateRaw: (key, value) => state.set(key, value),
+  },
+  "../B04_PreProcess/B04_PreProcess_Api_Fetch": {
+    computeDetailBasins: async (projectId, points) => {
+      detailCalls.push(points);
+      return { basins: [], pipe_points: points, stale: null };
+    },
+  },
+  "./B05_Profile_UI_Drainage_Parts": { analyzeFailed: (_error, fallback) => fallback },
+};
+const cache = new Map();
+function load(file) {
+  if (cache.has(file)) return cache.get(file);
+  const js = ts.transpileModule(fs.readFileSync(file, "utf8"), {
+    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
+  }).outputText;
+  const box = { exports: {} };
+  cache.set(file, box.exports);
+  const local = (name) => {
+    if (stubs[name]) return stubs[name];
+    if (name.startsWith(".")) return load(path.join(path.dirname(file), `${name}.ts`));
+    return require(name);
+  };
+  new Function("exports", "module", "require", js)(box.exports, box, local);
+  return box.exports;
+}
+
+const { createDrainageLive } = load(path.join(B05, "B05_Profile_UI_Drainage_Live.ts"));
+const { createDetailRunner } = load(path.join(B05, "B05_Profile_UI_Drainage_Run.ts"));
+
+async function main() {
+  const out = {};
+  const viewport = el("viewport");
+  const header = el("header");
+  const root = el("root");
+  root.querySelector = (selector) =>
+    selector === ".b05-drainage__viewport"
+      ? viewport
+      : selector === ".b05-drainage__header"
+        ? header
+        : null;
+  let pipes = [
+    { chainage_m: 100, id: "a1", source: "stream", options: { pipe_diameter_mm: 1000 } },
+  ];
+  let applied = 0;
+  let remembered = 0;
+  let live;
+  const status = el("status");
+  const runner = createDetailRunner({
+    projectId: () => "p1",
+    analyzeButton: el("button"),
+    status,
+    showProgress: () => undefined,
+    apply: (response) => {
+      applied += 1;
+      live.suggest.update(response);
+      if (response.stale) live.markStale(); // 패널 apply 와 같은 줄
+    },
+    basinCount: () => 0,
+    scheduleDraw: () => undefined,
+    label: (key) => key,
+  });
+  live = createDrainageLive({
+    root,
+    basinList: el("list"),
+    pipeRequest: () => pipes,
+    runner,
+    rememberPipes: () => (remembered += 1),
+  });
+  const [veil, busy] = viewport.children;
+  const update = veil.children[0];
+  const gear = header.children[0];
+  const look = () => ({
+    stale: live.stale,
+    blur: root.classList.contains("is-stale"),
+    veil: !veil.hidden,
+    busy: !busy.hidden,
+    fetches: calls.length,
+  });
+  const draft = (rev, x) => ({
+    rev,
+    nodes: [
+      [0, 0],
+      [x, 300],
+    ],
+    curveOn: [true, true],
+  });
+  const stage = (route) => live.stage({ inputs: { route, pipes } });
+  const answer = (call, extra = {}) =>
+    call.answer({
+      status: "success",
+      generation: call.body.generation,
+      basins: [{ chainage_m: 100, recommended_facility: "pipe", recommended_diameter_mm: 1200 }],
+      pipe_points: pipes,
+      pipe_candidates: [{ chainage_m: 200 }],
+      stale: null,
+      live: true,
+      ...extra,
+    });
+
+  // 수동 — 꼭짓점 옮김 = 흐림 + [업데이트] · 판 번호만 바뀐 같은 노선 = 그대로
+  stage(draft(1, 50));
+  out.moved = look();
+  stage(draft(2, 50));
+  out.sameAgain = look();
+  // [업데이트] → 요청 하나 · 묶음이 같은 입력으로 다시 돌아도 답을 받음
+  update.fire("click");
+  out.sent = { ...look(), body: calls[0].body };
+  stage(draft(3, 50));
+  out.rerunWhileBusy = { ...look(), aborted: calls[0].aborted };
+  answer(calls[0]);
+  await flush();
+  out.answered = { ...look(), applied };
+  out.suggest = {
+    shown: !live.suggest.root.hidden,
+    title: live.suggest.root.children[0].children[0].textContent,
+    rows: live.suggest.root.children[1].children.map((row) => row.textContent),
+  };
+  // 제안 [적용] — 관 초안으로 세부 유역 다시 나눔 · 세션 초안에 담음
+  live.suggest.root.children[0].children[1].fire("click");
+  await flush();
+  out.applied = { points: detailCalls[0], remembered };
+
+  // 다시 옮김 → 요청 → 그 사이 또 옮김 = 앞 요청 끊김 · 다시 흐림
+  stage(draft(4, 80));
+  update.fire("click");
+  stage(draft(5, 90));
+  out.movedWhileBusy = { ...look(), aborted: calls[1].aborted };
+  update.fire("click");
+  answer(calls[2]);
+  await flush();
+  out.fresh = look();
+
+  // 노선 [저장] 뒤 — 서버 답이 「낡음」 = 흐림 + [업데이트](수동)
+  stage(null);
+  await runner.run(async () => ({ basins: [], pipe_points: pipes, stale: "배수유역 낡음" }));
+  out.savedStale = { ...look(), status: status.textContent };
+
+  // ⚙ 자동 — 바꾸는 순간 3 s 뒤 셈 · 흐림 막 · [업데이트] 없음
+  gear.fire("click");
+  out.autoSwitch = look();
+  advance(2999);
+  out.auto2999 = look();
+  advance(1);
+  out.auto3000 = { ...look(), route: calls[3].body.route };
+  answer(calls[3]);
+  await flush();
+  out.autoDone = look();
+  // 자동 · 꼭짓점 옮김 = 조용히 3 s 뒤 · 그 사이 또 옮기면 처음부터
+  stage(draft(6, 120));
+  advance(2000);
+  stage(draft(7, 130));
+  advance(2000);
+  out.autoRestart = look();
+  advance(1000);
+  answer(calls[4]);
+  await flush();
+  out.autoMoved = { ...look(), mode: state.get("drainage-mode") };
+  // 자동 · 저장 뒤 낡음 = 3 s 뒤 조용히
+  await runner.run(async () => ({ basins: [], pipe_points: pipes, stale: "배수유역 낡음" }));
+  out.autoSavedStale = look();
+  advance(3000);
+  answer(calls[5]);
+  await flush();
+  out.autoSavedDone = look();
+  // 입력 지문 — 판 번호 · 관 차례는 안 봄 · 꼭짓점 · 관 자리(cm) · id 는 봄
+  const { inputKey } = load(path.join(B05, "logic", "B05_Profile_Drainage_Live.ts"));
+  const a = { id: "a1", chainage_m: 100 };
+  const b = { id: "b2", chainage_m: 250 };
+  const base = inputKey(draft(1, 50), [a, b]);
+  out.keys = {
+    rev: inputKey(draft(9, 50), [a, b]) === base,
+    order: inputKey(draft(1, 50), [b, a]) === base,
+    node: inputKey(draft(1, 51), [a, b]) === base,
+    pipe: inputKey(draft(1, 50), [a, { ...b, chainage_m: 250.2 }]) === base,
+    id: inputKey(draft(1, 50), [a, { ...b, id: "c3" }]) === base,
+    saved: inputKey(null, null) === inputKey(undefined, undefined),
+  };
+  process.stdout.write(JSON.stringify(out));
+}
+
+main().catch((error) => {
+  process.stderr.write(String(error && error.stack ? error.stack : error));
+  process.exit(1);
+});
diff --git a/resources/tester/test_349_drainage_live_flow.py b/resources/tester/test_349_drainage_live_flow.py
new file mode 100644
index 000000000..f247bd8ba
--- /dev/null
+++ b/resources/tester/test_349_drainage_live_flow.py
@@ -0,0 +1,87 @@
+"""349 배수유역 자동/수동 흐름 — 화면 파일(`B05_Profile_UI_Drainage_Live` · `_Run` · `_Suggest`)을
+가짜 DOM · 시계 · fetch 로 돌림(`helper_349_drainage_live_flow.cjs`).
+
+- 수동: 꼭짓점 옮김 = 흐림 + [업데이트] · [업데이트] 뒤 묶음이 같은 노선 · 관으로 다시 돌아도 답을 받음
+  (입력 지문) · 답이 오면 흐림 · 「계산 중」 사라짐 · 제안 「제안 N건」 · [적용].
+- 요청 중 또 옮기면 앞 요청 끊고 다시 흐림.
+- 노선 [저장] 뒤 서버 답이 「낡음」 = 수동은 흐림 + [업데이트] · 자동은 3 s 뒤 조용히.
+- ⚙ 자동: 3 s 조용한 뒤 셈 · 그 사이 또 옮기면 처음부터 · [업데이트] 막 없음.
+"""
+
+import json
+import os
+import subprocess
+
+import pytest
+
+HERE = os.path.dirname(os.path.abspath(__file__))
+
+
+@pytest.fixture(scope="module")
+def r():
+    proc = subprocess.run(
+        ["node", os.path.join(HERE, "helper_349_drainage_live_flow.cjs")],
+        capture_output=True,
+        text=True,
+        timeout=60,
+        encoding="utf-8",
+    )
+    assert proc.returncode == 0, proc.stderr
+    return json.loads(proc.stdout)
+
+
+def state(stale, veil, busy, fetches):
+    return {"stale": stale, "blur": stale, "veil": veil, "busy": busy, "fetches": fetches}
+
+
+def test_manual_update_answer_lands_after_same_rerun(r):
+    assert r["moved"] == state(True, True, False, 0)
+    assert r["sameAgain"] == state(True, True, False, 0)  # 판 번호만 바뀜 — 다시 안 흐림
+    assert r["sent"]["fetches"] == 1 and r["sent"]["busy"] and not r["sent"]["veil"]
+    rerun = r["rerunWhileBusy"]
+    assert not rerun["aborted"] and rerun["busy"]  # 같은 입력 다시 돎 — 요청 그대로
+    assert r["answered"] == {**state(False, False, False, 1), "applied": 1}
+
+
+def test_suggestions_and_apply(r):
+    assert r["suggest"]["shown"] and r["suggest"]["title"] == "제안 2건"
+    assert len(r["suggest"]["rows"]) == 2
+    points = {p["chainage_m"]: p for p in r["applied"]["points"]}
+    assert points[100]["options"]["pipe_diameter_mm"] == 1200
+    assert points[200]["source"] == "spacing"
+    assert r["applied"]["remembered"] == 1
+
+
+def test_move_while_busy_cancels(r):
+    moved = r["movedWhileBusy"]
+    assert moved["aborted"] and moved["veil"] and not moved["busy"]
+    assert r["fresh"] == state(False, False, False, 3)
+
+
+def test_saved_stale_shows_update(r):
+    assert {k: v for k, v in r["savedStale"].items() if k != "status"} == state(
+        True, True, False, 3
+    )
+    assert r["savedStale"]["status"] == "배수유역 낡음"
+
+
+def test_auto_mode(r):
+    assert r["autoSwitch"] == state(True, False, False, 3)  # 자동 — 흐림만 · [업데이트] 없음
+    assert r["auto2999"]["fetches"] == 3
+    assert r["auto3000"]["fetches"] == 4 and r["auto3000"]["route"] is None
+    assert r["autoDone"] == state(False, False, False, 4)
+    assert r["autoRestart"] == state(True, False, False, 4)  # 2 s + 2 s — 처음부터 다시 3 s
+    assert r["autoMoved"] == {**state(False, False, False, 5), "mode": "auto"}
+    assert r["autoSavedStale"] == state(True, False, False, 5)
+    assert r["autoSavedDone"] == state(False, False, False, 6)
+
+
+def test_input_key(r):
+    assert r["keys"] == {
+        "rev": True,
+        "order": True,
+        "node": False,
+        "pipe": False,
+        "id": False,
+        "saved": True,
+    }