From 559d445e4ee4fd98b2be4c11b624f4810cfdafdb Mon Sep 17 00:00:00 2001
From: umsangdon <umsangdon@gmail.com>
Date: Wed, 30 Sep 2026 07:36:32 +0900
Subject: [PATCH] auto: 2026-09-30 07:36 (ESD_LAPTOP)

---
 .../B05_Profile_UI_RouteEdit_Initial.ts       |   7 ++
 .../B05_Profile_UI_RouteEdit_Initial_Model.ts |  62 ++++++++++
 .../B05_Profile_UI_RouteEdit_Recommend.ts     | 106 ++++++++++++++++--
 .../B05_Profile_UI_Style_RouteRecommend.css   |  64 ++++++++++-
 .../tester/helper_b05_routeedit_initial.cjs   |  45 ++++++++
 .../tester/test_b05_routeedit_initial.py      |  33 ++++++
 6 files changed, 304 insertions(+), 13 deletions(-)

diff --git a/B05_Profile/B05_Profile_UI_RouteEdit_Initial.ts b/B05_Profile/B05_Profile_UI_RouteEdit_Initial.ts
index eaa7f8e4..8c440275 100644
--- a/B05_Profile/B05_Profile_UI_RouteEdit_Initial.ts
+++ b/B05_Profile/B05_Profile_UI_RouteEdit_Initial.ts
@@ -27,6 +27,7 @@ import type { RouteEditSnapshot } from "./B05_Profile_UI_RouteEdit_History";
 import {
   choiceLabel,
   DEFAULT_WEIGHTS,
+  NO_WEIGHT_LOCKS,
   initialRouteSnapshot,
   normalizeRouteInitial,
   readInitialChoice,
@@ -85,6 +86,11 @@ export function createInitialPanel(params: InitialPanelParams): InitialPanel {
   let opening: RouteEditSnapshot | null = null;
   let edited = false;
   let busy = false;
+  /** 비중 · 고정 — 모달을 닫았다 열어도 이 편집 창이 사는 동안 남는다. */
+  const weightMemory = {
+    weights: null as RouteInitialWeights | null,
+    locks: { ...NO_WEIGHT_LOCKS },
+  };
   /** `/route/plan` 한 번 읽은 것 — 예상노선(지도 바탕) · 초기값 노선([초기화]). 창이 사는 동안 안 바뀐다. */
   let planRead: Promise<RoutePlanResponse> | null = null;
 
@@ -130,6 +136,7 @@ export function createInitialPanel(params: InitialPanelParams): InitialPanel {
         criteria: choice?.criteriaOverrides ?? base.criteria,
         defaults,
         weights: { ...(choice?.weights ?? base.weights ?? DEFAULT_WEIGHTS) },
+        weightMemory,
         planMinRadiusM: params.planMinRadiusM(),
         expected: (plan?.expected ?? []).map(([x, y]) => [x, y]),
         current: opening!.planned.map(([x, y]) => [x, y]),
diff --git a/B05_Profile/B05_Profile_UI_RouteEdit_Initial_Model.ts b/B05_Profile/B05_Profile_UI_RouteEdit_Initial_Model.ts
index a8ad81c6..4b5ea6c6 100644
--- a/B05_Profile/B05_Profile_UI_RouteEdit_Initial_Model.ts
+++ b/B05_Profile/B05_Profile_UI_RouteEdit_Initial_Model.ts
@@ -51,6 +51,68 @@ export function rebalanceWeights(
   return { expected: out.expected, earthwork: out.earthwork, grade: out.grade };
 }
 
+/** 비중마다 고정 표시 — 고정한 값은 다른 비중을 움직여도 안 바뀐다. */
+export type WeightLocks = Record<WeightKey, boolean>;
+
+export const NO_WEIGHT_LOCKS: WeightLocks = { expected: false, earthwork: false, grade: false };
+
+const lockedKeys = (locks: WeightLocks): WeightKey[] => WEIGHT_KEYS.filter((name) => locks[name]);
+
+/** 나머지 둘이 고정돼 저절로 정해지는 비중 — 없으면 null. 이 비중은 잠김으로 보인다. */
+export function derivedWeightKey(locks: WeightLocks): WeightKey | null {
+  const free = WEIGHT_KEYS.filter((name) => !locks[name]);
+  return free.length === 1 ? free[0] : null;
+}
+
+/** 이 비중의 고정 단추를 새로 누를 수 있나 — 셋 다 고정은 막는다(마지막 하나는 저절로 잠김).
+ *  이미 고정한 것을 푸는 것은 늘 된다. */
+export function canLockWeight(locks: WeightLocks, key: WeightKey): boolean {
+  return locks[key] || lockedKeys(locks).length < 2;
+}
+
+/** 슬라이더로 한 비중을 옮긴다 — 고정한 것은 그대로, 안 고정한 것끼리 합 100 을 맞춘다.
+ *  고정하지 않은 것이 셋이면 나머지 둘이 지금 비율대로(`rebalanceWeights`), 둘이면 다른 하나가 남는 몫을
+ *  받고, 이 비중 혼자면(나머지 둘 고정) 값이 정해져 있어 안 움직인다. 값은 남는 몫 안으로 잘린다. */
+export function moveWeight(
+  weights: RouteInitialWeights,
+  locks: WeightLocks,
+  key: WeightKey,
+  value: number,
+): RouteInitialWeights {
+  if (locks[key]) return { ...weights };
+  const fixedSum = lockedKeys(locks).reduce((sum, name) => sum + weights[name], 0);
+  const room = 100 - fixedSum;
+  const free = WEIGHT_KEYS.filter((name) => !locks[name]);
+  if (free.length === WEIGHT_KEYS.length) return rebalanceWeights(weights, key, value);
+  const out = { ...weights };
+  if (free.length === 1) {
+    out[key] = room;
+    return out;
+  }
+  const other = free.find((name) => name !== key)!;
+  const next = Math.min(room, Math.max(0, Math.round(Number.isFinite(value) ? value : 0)));
+  out[key] = next;
+  out[other] = room - next;
+  return out;
+}
+
+/** 값 칸에 직접 넣은 숫자 — 0~100 정수이고 고정 규칙 아래 합 100 을 맞출 수 있을 때만 받는다.
+ *  못 맞추면 `ok: false`(칸에 빨간 테두리 · 서버에 안 보냄). 고정한 비중은 고칠 수 없다. */
+export function inputWeight(
+  weights: RouteInitialWeights,
+  locks: WeightLocks,
+  key: WeightKey,
+  value: number,
+): { ok: boolean; weights: RouteInitialWeights } {
+  const same = { ok: false, weights: { ...weights } };
+  if (locks[key] || !Number.isInteger(value) || value < 0 || value > 100) return same;
+  const room = 100 - lockedKeys(locks).reduce((sum, name) => sum + weights[name], 0);
+  const free = WEIGHT_KEYS.filter((name) => !locks[name]);
+  if (free.length === 1) return value === room ? { ok: true, weights: { ...weights } } : same;
+  if (value > room) return same;
+  return { ok: true, weights: moveWeight(weights, locks, key, value) };
+}
+
 /** 결과 비교값 — 서버가 셈해 준 것을 보이기만 한다. 없는 칸은 null. */
 export interface InitialMetrics {
   lengthM: number | null;
diff --git a/B05_Profile/B05_Profile_UI_RouteEdit_Recommend.ts b/B05_Profile/B05_Profile_UI_RouteEdit_Recommend.ts
index bb43b44a..f86fe93d 100644
--- a/B05_Profile/B05_Profile_UI_RouteEdit_Recommend.ts
+++ b/B05_Profile/B05_Profile_UI_RouteEdit_Recommend.ts
@@ -24,7 +24,10 @@ import {
   CRITERIA_KEYS,
   LOGIC_LABEL,
   metricsLine,
-  rebalanceWeights,
+  canLockWeight,
+  derivedWeightKey,
+  inputWeight,
+  moveWeight,
   relaxedLine,
   violationsLine,
   violationText,
@@ -33,6 +36,7 @@ import {
   type InitialChoice,
   type InitialCriteria,
   type MapLayer,
+  type WeightLocks,
   type WeightKey,
 } from "./B05_Profile_UI_RouteEdit_Initial_Model";
 import { createRecommendMap, RECOMMEND_MAP_HTML } from "./B05_Profile_UI_RouteEdit_Recommend_Map";
@@ -55,6 +59,11 @@ const WEIGHT_NAME: Record<WeightKey, string> = {
   grade: "기울기",
 };
 
+/** 고정 단추 그림 — 자물쇠(글자 색을 따라 밝음 · 어두움에서 보인다). */
+const LOCK_ICON = `<svg viewBox="0 0 16 16" width="14" height="14" aria-hidden="true" fill="none"
+  stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">
+  <rect x="3.5" y="7" width="9" height="6.5" rx="1.2" /><path d="M5.5 7V5a2.5 2.5 0 0 1 5 0v2" /></svg>`;
+
 /** 공통 제약 칸 — 표시 이름 · 단위 · 서버가 준 값(`InitialCriteria`)에서 그 칸을 꺼내는 법. */
 const CRITERIA_FIELD: Record<
   CriteriaKey,
@@ -92,6 +101,8 @@ export interface RecommendParams {
   /** 칸을 비운 채 처음 물었을 때 서버가 답한 값 — 빈 칸 placeholder. 여기서 채워 간다. */
   defaults: Partial<Record<CriteriaKey, number>>;
   weights: RouteInitialWeights;
+  /** 비중 · 고정 상태 — 편집 창이 사는 동안 모달을 닫았다 열어도 남는다. 여기서 고쳐 간다. */
+  weightMemory: { weights: RouteInitialWeights | null; locks: WeightLocks };
   planMinRadiusM: number;
   /** 지도 바탕 — 예상노선(원본 점 묶음) · 창을 연 노선(노드). */
   expected: Vertex[];
@@ -108,7 +119,10 @@ export interface RecommendParams {
 
 export function openRecommendModal(params: RecommendParams): void {
   let logic: RouteInitialLogic = "follow";
-  let weights: RouteInitialWeights = { ...params.weights };
+  const { locks } = params.weightMemory;
+  let weights: RouteInitialWeights = { ...(params.weightMemory.weights ?? params.weights) };
+  /** 값 칸에 넣은 숫자가 고정 규칙 아래 합 100 을 못 맞추는 비중 — 빨간 테두리 · 서버에 안 보냄. */
+  const invalid = new Set<WeightKey>();
   let preview: InitialChoice | null = null;
   let busy = false;
   /** 마지막 미리 보기 뒤 슬라이더 · 제약 칸을 만졌다 — 미리 본 노선이 칸 값과 다르다. */
@@ -156,12 +170,14 @@ export function openRecommendModal(params: RecommendParams): void {
             <div class="b05-routerec__weights" hidden>
               <div class="b05-routerec__bars">
                 ${WEIGHT_KEYS.map(
-                  (
-                    key,
-                  ) => `<label class="b05-routerec__bar"><output data-weight-out="${key}"></output>
+                  (key) => `<div class="b05-routerec__bar">
+                    <input type="number" class="b05-routerec__num" min="0" max="100" step="1"
+                      inputmode="numeric" data-weight-num="${key}" aria-label="${WEIGHT_NAME[key]} 비중 값" />
                     <input type="range" min="0" max="100" step="1" data-weight="${key}"
                       aria-label="${WEIGHT_NAME[key]} 비중" />
-                    <span>${WEIGHT_NAME[key]}</span></label>`,
+                    <button type="button" class="b05-routerec__lock" data-weight-lock="${key}"
+                      aria-pressed="false" aria-label="${WEIGHT_NAME[key]} 비중 고정">${LOCK_ICON}</button>
+                    <span>${WEIGHT_NAME[key]}</span></div>`,
                 ).join("")}
               </div>
               <span class="b05-routerec__sum" data-weight-sum></span>
@@ -232,9 +248,31 @@ export function openRecommendModal(params: RecommendParams): void {
           pill.disabled = busy;
         });
         weightsBox.hidden = logic !== "weighted";
+        const derived = derivedWeightKey(locks);
         for (const key of WEIGHT_KEYS) {
-          q<HTMLInputElement>(`[data-weight="${key}"]`).value = String(weights[key]);
-          q<HTMLOutputElement>(`[data-weight-out="${key}"]`).value = `${weights[key]}`;
+          const slider = q<HTMLInputElement>(`[data-weight="${key}"]`);
+          const num = q<HTMLInputElement>(`[data-weight-num="${key}"]`);
+          const lock = q<HTMLButtonElement>(`[data-weight-lock="${key}"]`);
+          // 고정했거나 나머지 둘이 고정돼 저절로 정해진 비중은 잠김 — 움직이지 않는다.
+          const shut = locks[key] || derived === key;
+          slider.value = String(weights[key]);
+          slider.disabled = busy || shut;
+          // 넣다 만 틀린 글은 지우지 않는다 — 빨간 테두리로 남겨 고치게 한다.
+          if (!invalid.has(key)) num.value = String(weights[key]);
+          num.disabled = busy || shut;
+          num.classList.toggle("is-invalid", invalid.has(key));
+          num.setAttribute("aria-invalid", String(invalid.has(key)));
+          lock.setAttribute("aria-pressed", String(shut));
+          lock.classList.toggle("is-on", shut);
+          lock.classList.toggle("is-auto", derived === key);
+          // 셋 다 고정은 막는다 — 마지막 하나는 고정 단추가 꺼지고 잠김으로만 보인다.
+          lock.disabled = busy || !canLockWeight(locks, key) || derived === key;
+          lock.title =
+            derived === key
+              ? "나머지 둘이 고정돼 저절로 정해집니다"
+              : locks[key]
+                ? "고정 풀기"
+                : "이 값 고정 — 다른 비중을 움직여도 안 바뀝니다";
         }
         q<HTMLElement>("[data-weight-sum]").textContent =
           `합 ${weights.expected + weights.earthwork + weights.grade}`;
@@ -245,8 +283,8 @@ export function openRecommendModal(params: RecommendParams): void {
           input.disabled = busy;
         });
         rerun.hidden = !dirty;
-        rerun.disabled = busy;
-        applyButton.disabled = busy || dirty || !preview;
+        rerun.disabled = busy || invalid.size > 0;
+        applyButton.disabled = busy || dirty || !preview || invalid.size > 0;
         line("metrics").textContent = preview
           ? preview.metrics
             ? metricsLine(preview.metrics)
@@ -269,6 +307,10 @@ export function openRecommendModal(params: RecommendParams): void {
       }
 
       async function run(): Promise<void> {
+        if (logic === "weighted" && invalid.size > 0) {
+          showToast("비중 값이 합 100 을 못 맞춥니다 — 빨간 칸을 고쳐 주세요.", "error");
+          return;
+        }
         const mine = ++seq;
         const sentWeights = logic === "weighted" ? { ...weights } : null;
         const criteria = currentCriteria();
@@ -314,17 +356,59 @@ export function openRecommendModal(params: RecommendParams): void {
           void run();
         });
       });
+      const remember = (): void => {
+        params.weightMemory.weights = { ...weights };
+      };
       body.querySelectorAll<HTMLInputElement>("[data-weight]").forEach((input) => {
         input.addEventListener("input", () => {
-          weights = rebalanceWeights(
+          weights = moveWeight(
             weights,
+            locks,
             input.dataset.weight as WeightKey,
             Number(input.value),
           );
+          invalid.clear();
+          remember();
           dirty = preview !== null;
           render();
         });
       });
+      // 값 칸 — 0~100 정수 · 고정 규칙 아래 합 100 을 못 맞추면 받지 않고 빨간 테두리.
+      body.querySelectorAll<HTMLInputElement>("[data-weight-num]").forEach((input) => {
+        input.addEventListener("input", () => {
+          const key = input.dataset.weightNum as WeightKey;
+          const raw = input.value.trim();
+          const result = inputWeight(weights, locks, key, raw === "" ? Number.NaN : Number(raw));
+          if (result.ok) {
+            weights = result.weights;
+            invalid.clear();
+            remember();
+            dirty = preview !== null;
+            // 다른 칸의 글도 새 값으로 — 이 칸은 넣은 그대로 둔다.
+            body.querySelectorAll<HTMLInputElement>("[data-weight-num]").forEach((other) => {
+              if (other !== input)
+                other.value = String(weights[other.dataset.weightNum as WeightKey]);
+            });
+          } else {
+            invalid.add(key);
+          }
+          render();
+        });
+        // 칸을 떠날 때 맞는 값이면 글을 값으로 다듬는다(예: 070 → 70).
+        input.addEventListener("blur", () => {
+          if (!invalid.has(input.dataset.weightNum as WeightKey)) render();
+        });
+      });
+      // 고정 단추 — 지금 값을 붙든다. 셋 다 고정은 막혀 있다(단추가 꺼짐).
+      body.querySelectorAll<HTMLButtonElement>("[data-weight-lock]").forEach((button) => {
+        button.addEventListener("click", () => {
+          const key = button.dataset.weightLock as WeightKey;
+          if (!canLockWeight(locks, key)) return;
+          locks[key] = !locks[key];
+          invalid.clear();
+          render();
+        });
+      });
       criteriaInputs.forEach((input) => {
         input.addEventListener("input", () => {
           dirty = preview !== null;
diff --git a/B05_Profile/B05_Profile_UI_Style_RouteRecommend.css b/B05_Profile/B05_Profile_UI_Style_RouteRecommend.css
index 0eef5e46..8d00da23 100644
--- a/B05_Profile/B05_Profile_UI_Style_RouteRecommend.css
+++ b/B05_Profile/B05_Profile_UI_Style_RouteRecommend.css
@@ -163,13 +163,73 @@
   accent-color: var(--color-primary);
 }
 
-.b05-routerec__bar output {
+/* 값 칸 — 슬라이더 옆에서 숫자를 직접 넣는다. 합 100 을 못 맞추면 빨간 테두리. */
+.b05-routerec__num {
+  width: 100%;
+  min-width: 3.2em;
+  padding: 2px 4px;
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-4, 4px);
+  background: var(--color-surface);
   color: var(--color-text-body);
   font-size: var(--text-body);
   font-weight: 600;
+  text-align: center;
+  appearance: textfield;
+  -moz-appearance: textfield;
 }
 
-.b05-routerec__bar span {
+.b05-routerec__num::-webkit-outer-spin-button,
+.b05-routerec__num::-webkit-inner-spin-button {
+  margin: 0;
+  -webkit-appearance: none;
+}
+
+.b05-routerec__num:disabled {
+  opacity: 0.6;
+}
+
+.b05-routerec__num.is-invalid {
+  border-color: var(--color-danger, #dc2626);
+  box-shadow: 0 0 0 1px var(--color-danger, #dc2626);
+}
+
+/* 고정 단추 — 자물쇠. 눌린 것 = 고정 · 저절로 정해진 비중은 눌린 채 꺼져(잠김 표시). */
+.b05-routerec__lock {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 28px;
+  height: 26px;
+  padding: 0;
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-4, 4px);
+  background: var(--color-surface);
+  color: var(--color-text-secondary);
+  cursor: pointer;
+}
+
+.b05-routerec__lock:hover:not(:disabled) {
+  border-color: var(--color-primary);
+}
+
+.b05-routerec__lock.is-on {
+  border-color: var(--color-primary);
+  background: var(--color-primary);
+  color: var(--color-on-primary, #fff);
+}
+
+.b05-routerec__lock:disabled {
+  cursor: not-allowed;
+  opacity: 0.55;
+}
+
+.b05-routerec__lock.is-auto {
+  opacity: 0.8;
+  border-style: dashed;
+}
+
+.b05-routerec__bar > span {
   color: var(--color-text-secondary);
 }
 
diff --git a/resources/tester/helper_b05_routeedit_initial.cjs b/resources/tester/helper_b05_routeedit_initial.cjs
index f74dc95d..16573519 100644
--- a/resources/tester/helper_b05_routeedit_initial.cjs
+++ b/resources/tester/helper_b05_routeedit_initial.cjs
@@ -255,6 +255,49 @@ trail.commit(step(1, { logic: "earthwork" }));
 trail.commit(step(2, null));
 const historyRecs = [trail.undo(), trail.undo(), trail.redo(), trail.redo()].map((one) => one.rec);
 
+// ⑧ 비중 고정(계획서 26-2c) — 고정한 값은 안 움직이고 나머지가 합 100 을 맞춘다.
+const W = { expected: 70, earthwork: 15, grade: 15 };
+const L = (...keys) => ({ expected: false, earthwork: false, grade: false, ...Object.fromEntries(keys.map((k) => [k, true])) });
+const sweep = [];
+for (const locks of [L(), L("expected"), L("earthwork"), L("grade"), L("expected", "grade")]) {
+  for (const key of ["expected", "earthwork", "grade"]) {
+    for (let v = -5; v <= 105; v += 5) {
+      const out = model.moveWeight(W, locks, key, v);
+      sweep.push({
+        sum: out.expected + out.earthwork + out.grade,
+        lockedSame: Object.keys(locks).every((k) => !locks[k] || out[k] === W[k]),
+        range: [out.expected, out.earthwork, out.grade].every((n) => Number.isInteger(n) && n >= 0 && n <= 100),
+      });
+    }
+  }
+}
+const weightLocks = {
+  freeThree: model.moveWeight(W, L(), "expected", 40),
+  lockExpected: model.moveWeight(W, L("expected"), "earthwork", 20),
+  lockExpectedClamp: model.moveWeight(W, L("expected"), "earthwork", 90),
+  twoLocked: model.moveWeight({ expected: 70, earthwork: 20, grade: 10 }, L("expected", "earthwork"), "grade", 50),
+  movingLocked: model.moveWeight(W, L("expected"), "expected", 10),
+  derived: [model.derivedWeightKey(L()), model.derivedWeightKey(L("expected")), model.derivedWeightKey(L("expected", "earthwork"))],
+  canLock: {
+    none: model.canLockWeight(L(), "grade"),
+    one: model.canLockWeight(L("expected"), "grade"),
+    two: model.canLockWeight(L("expected", "earthwork"), "grade"),
+    unlockOfTwo: model.canLockWeight(L("expected", "earthwork"), "expected"),
+  },
+  input: {
+    free: model.inputWeight(W, L(), "earthwork", 55),
+    lockedOk: model.inputWeight(W, L("expected"), "earthwork", 20),
+    lockedTooBig: model.inputWeight(W, L("expected"), "earthwork", 40),
+    fraction: model.inputWeight(W, L(), "earthwork", 1.5),
+    negative: model.inputWeight(W, L(), "earthwork", -1),
+    over: model.inputWeight(W, L(), "earthwork", 101),
+    nan: model.inputWeight(W, L(), "earthwork", Number.NaN),
+    onLocked: model.inputWeight(W, L("earthwork"), "earthwork", 15),
+    derivedSame: model.inputWeight({ expected: 70, earthwork: 20, grade: 10 }, L("expected", "earthwork"), "grade", 10),
+    derivedOther: model.inputWeight({ expected: 70, earthwork: 20, grade: 10 }, L("expected", "earthwork"), "grade", 30),
+  },
+};
+
 // ④ 캐시 왕복 — 결과 통 프로젝트 칸. 꼴이 틀린 값은 안 읽는다.
 model.writeInitialChoice("p-1", plain);
 const readBack = model.readInitialChoice("p-1");
@@ -296,5 +339,7 @@ process.stdout.write(
     initialRoute,
     mapLines,
     historyRecs,
+    sweep,
+    weightLocks,
   }),
 );
diff --git a/resources/tester/test_b05_routeedit_initial.py b/resources/tester/test_b05_routeedit_initial.py
index fb6068d8..be5cb5e7 100644
--- a/resources/tester/test_b05_routeedit_initial.py
+++ b/resources/tester/test_b05_routeedit_initial.py
@@ -213,3 +213,36 @@ def test_노선_추천_다듬기_23_3():
     assert "calc(var(--z-modal, 1000) + 2)" in css  # 라벨 패널(+1) 위
     assert "writing-mode: vertical-lr" in css
     assert 'backdropClass: "b05-routerec-backdrop"' in read("B05_Profile_UI_RouteEdit_Recommend.ts")
+
+
+def test_비중_고정_합_100_규칙(results):
+    """고정한 값은 안 움직이고 나머지가 합 100 — 어떤 고정 · 어떤 값으로 옮겨도 정수 0~100 · 합 100."""
+    assert all(row["sum"] == 100 and row["lockedSame"] and row["range"] for row in results["sweep"])
+    w = results["weightLocks"]
+    # 안 고정: 지금 비율대로 나눔(기존 규칙)
+    assert w["freeThree"] == {"expected": 40, "earthwork": 30, "grade": 30}
+    # 예상 70 고정 → 토공을 끌면 기울기만 따라 바뀜
+    assert w["lockExpected"] == {"expected": 70, "earthwork": 20, "grade": 10}
+    # 남는 몫(30)을 넘게 끌면 잘림
+    assert w["lockExpectedClamp"] == {"expected": 70, "earthwork": 30, "grade": 0}
+    # 둘 고정 → 셋째는 저절로 정해져 안 움직임
+    assert w["twoLocked"] == {"expected": 70, "earthwork": 20, "grade": 10}
+    assert w["movingLocked"] == {"expected": 70, "earthwork": 15, "grade": 15}
+    assert w["derived"] == [None, None, "grade"]
+    # 셋 다 고정은 막음 · 푸는 것은 늘 됨
+    assert w["canLock"] == {"none": True, "one": True, "two": False, "unlockOfTwo": True}
+
+
+def test_비중_값_칸_직접_입력(results):
+    """0~100 정수 · 고정 규칙 아래 합 100 을 못 맞추면 받지 않음(빨간 테두리 · 안 보냄)."""
+    i = results["weightLocks"]["input"]
+    assert i["free"] == {"ok": True, "weights": {"expected": 37, "earthwork": 55, "grade": 8}}
+    assert i["lockedOk"] == {"ok": True, "weights": {"expected": 70, "earthwork": 20, "grade": 10}}
+    for name in ("lockedTooBig", "fraction", "negative", "over", "nan", "onLocked"):
+        assert i[name]["ok"] is False, name
+        assert i[name]["weights"] == {"expected": 70, "earthwork": 15, "grade": 15}, name
+    assert i["derivedSame"]["ok"] is True
+    assert i["derivedOther"] == {
+        "ok": False,
+        "weights": {"expected": 70, "earthwork": 20, "grade": 10},
+    }