From 0cd3c6489fdd8e8333f7cb19bd7241fca4350bbd Mon Sep 17 00:00:00 2001
From: umsangdon <umsangdon@gmail.com>
Date: Sat, 17 Oct 2026 11:46:21 +0900
Subject: [PATCH 1/3] =?UTF-8?q?feat(B05=20=ED=8F=89=EB=A9=B4):=20366-2=20?=
 =?UTF-8?q?=EB=8F=84=EA=B5=AC=EC=A4=84=20=EC=B0=A8=EB=A1=80=20[=3F]=20|=20?=
 =?UTF-8?q?=E2=86=B6=20=E2=86=B7=20|=203D=20|=20=ED=9A=8C=EC=A0=84=20?=
 =?UTF-8?q?=C2=B7=201m=20=EB=93=B1=EA=B3=A0=EC=84=A0=20=C2=B7=20=EC=A0=88/?=
 =?UTF-8?q?=EC=84=B1=ED=86=A0=EC=84=A0=20=C2=B7=20=EA=B1=B0=EB=A6=AC=20?=
 =?UTF-8?q?=EC=9E=AC=EA=B8=B0=20|=20=EC=B8=A1=EC=A0=90=20=EC=8A=A4?=
 =?UTF-8?q?=EB=83=85=20=C2=B7=20=EB=B6=84=EC=84=9D=20=EC=A7=80=ED=98=95=20?=
 =?UTF-8?q?=C2=B7=20=EA=B5=AC=EB=B6=84=EC=84=A0=20=EB=84=B7=20=C2=B7=20[?=
 =?UTF-8?q?=EB=A7=9E=EC=B6=A4]=20=EC=A7=80=EC=9B=80(=EC=B2=98=EC=9D=8C=20?=
 =?UTF-8?q?=EC=97=B4=20=EB=95=8C=20=EB=A7=9E=EC=B6=A4=20=EA=B7=B8=EB=8C=80?=
 =?UTF-8?q?=EB=A1=9C)=20=C2=B7=20=ED=9A=8C=EC=A0=84=20=EB=8B=A8=EC=B6=94?=
 =?UTF-8?q?=20=EB=8F=84=EA=B5=AC=EC=A4=84=EB=A1=9C?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Ji4nuyLVHcxrXWHTdb5nRD
---
 B05_Profile/B05_Profile_UI_RouteEdit.ts       |  8 ---
 .../B05_Profile_UI_RouteEdit_Chrome.ts        | 51 +++++++++----------
 .../B05_Profile_UI_Style_RouteEdit.css        |  4 +-
 .../tester/test_345_5b_plan_visible_area.py   | 10 ++--
 .../tester/test_b05_routeedit_initial.py      | 33 ++++++++++--
 5 files changed, 59 insertions(+), 47 deletions(-)

diff --git a/B05_Profile/B05_Profile_UI_RouteEdit.ts b/B05_Profile/B05_Profile_UI_RouteEdit.ts
index 3d05ffc66..f08e4e559 100644
--- a/B05_Profile/B05_Profile_UI_RouteEdit.ts
+++ b/B05_Profile/B05_Profile_UI_RouteEdit.ts
@@ -56,7 +56,6 @@ import {
   captureView,
   createViewMemory,
   fitCanvas,
-  fitView,
   openingView,
   restoreSavedView,
   screenToMetric,
@@ -318,13 +317,6 @@ export async function mountRouteEditor(
     rotation.set(opening.rotationRad);
     viewReady = true;
   }
-  // [맞춤] — 처음 그림과 같은 등고 영역 맞춤(회전 0 · 349-0). 셈은 `_View` 몫.
-  overlay.querySelector('[data-act="fit"]')!.addEventListener("click", () => {
-    if (!meta || view.width <= 0 || !planned.length) return;
-    view = fitView(meta, view, planned, contours?.layer ?? null);
-    rotation.set(0);
-    draw();
-  });
 
   const toScreen = (vertex: Vertex): [number, number] =>
     meta ? metricToScreen(meta, view, vertex[0], vertex[1]) : [0, 0];
diff --git a/B05_Profile/B05_Profile_UI_RouteEdit_Chrome.ts b/B05_Profile/B05_Profile_UI_RouteEdit_Chrome.ts
index 211b0658a..5e8ed273a 100644
--- a/B05_Profile/B05_Profile_UI_RouteEdit_Chrome.ts
+++ b/B05_Profile/B05_Profile_UI_RouteEdit_Chrome.ts
@@ -11,6 +11,7 @@ import { bindFootprintToggle } from "./B05_Profile_UI_RouteEdit_Footprint";
  * **배치**(352-1) — 지도가 칸 전체 · 머리 줄 · 테두리 없음. 도구는 3D 와 같은 떠 있는 유리 단추
  * (지도 왼쪽 위 · ☰ 비킴), [?] 조작 설명은 도구줄 아래 2열, 상태·범례는 왼쪽 아래, 잰 값은 오른쪽
  * 아래. 횡단 두 판은 지도 오른쪽을 덮는 판(아래 종단 판이 그 위).
+ * 도구줄 차례(366-2) — [?] | ↶ ↷ | 3D | ⟲ ⟳ · 1m 등고선 · 절/성토선 · 거리 재기 | 측점 스냅 · 분석 지형.
  *
  * 자리(345-3) — 모달이 아니라 종단 보기 가운데 위 본문(옛 3D 자리)에 붙는다. 덮개 · 전체 화면 ·
  * 닫기 단추는 걷었다 · [취소] · [확인] · [노선 반영] · [저장 전으로]는 없앰(346-3 · 352-2 — 노선은 페이지
@@ -60,8 +61,31 @@ export function createRouteEditChrome(
     <div class="b05-routeedit__canvas-wrap" aria-label="계획노선 편집">
         <canvas class="b05-routeedit__canvas"></canvas>
         <div class="b05-route__view-controls b05-routeedit__tools">
+          <button type="button" class="ui-btn ui-btn--glass b05-routeedit__hint-toggle"
+            data-act="hint-toggle" aria-expanded="false" title="조작 도움말 펼치기 · 접기">?</button>
+          <i class="b05-route__view-separator" aria-hidden="true"></i>
+          <button type="button" class="ui-btn ui-btn--glass" data-act="undo"
+            title="되돌리기 (Ctrl+Z)" aria-label="되돌리기" disabled>↶</button>
+          <button type="button" class="ui-btn ui-btn--glass" data-act="redo"
+            title="다시하기 (Ctrl+Y)" aria-label="다시하기" disabled>↷</button>
+          <i class="b05-route__view-separator" aria-hidden="true"></i>
           <span data-slot="tools"></span>
           <i class="b05-route__view-separator" aria-hidden="true"></i>
+          <button type="button" class="ui-btn ui-btn--glass" data-act="rotate-ccw"
+            title="반시계로 돌리기" aria-label="반시계로 돌리기">${HALF_TURN_ICON.ccw}</button>
+          <button type="button" class="ui-btn ui-btn--glass" data-act="rotate-cw"
+            title="시계로 돌리기" aria-label="시계로 돌리기">${HALF_TURN_ICON.cw}</button>
+          <button type="button" class="ui-btn ui-btn--glass" data-act="contour-minor"
+            aria-pressed="false" disabled
+            title="1m 간격 등고선을 얇고 옅게 겹칩니다 (확대하면 보임)">1m 등고선</button>
+          <button type="button" class="ui-btn ui-btn--glass" data-act="footprint"
+            title="도로 끝 · 비탈 끝(깎기 붉음 · 쌓기 파랑)을 평면에 겹칩니다">절/성토선</button>
+          <button type="button" class="ui-btn ui-btn--glass" data-act="measure"
+            title="노선 위 두 점을 눌러 거리·기울기를 잽니다 (Shift+클릭도 같음)">거리 재기</button>
+          <i class="b05-route__view-separator" aria-hidden="true"></i>
+          <button type="button" class="ui-btn ui-btn--glass" data-act="station-snap"
+            aria-pressed="false"
+            title="곡선(호) 안 측점 하나를 곡선 중점(MC)으로 옮깁니다 — [저장] 때 저장">측점 스냅</button>
           <label class="b05-routeedit__terrain" hidden
             title="노선 편집 분석(등고선 · 지반고 · 기울기 · 횡단 미리보기 · 추천)에 쓸 지형 — 확정 지표면 · 종횡단은 안 바뀝니다">분석 지형
             <select class="ui-select ui-select--sm" data-act="terrain">
@@ -69,27 +93,8 @@ export function createRouteEditChrome(
               <option value="sheet">수치지형도</option>
             </select>
           </label>
-          <button type="button" class="ui-btn ui-btn--glass" data-act="fit"
-            title="등고 영역(등고선 범위 · 노선)을 평면 가운데 알맞게 맞춥니다 (회전은 풂)">맞춤</button>
-          <button type="button" class="ui-btn ui-btn--glass" data-act="contour-minor"
-            aria-pressed="false" disabled
-            title="1m 간격 등고선을 얇고 옅게 겹칩니다 (확대하면 보임)">1m 등고선</button>
-          <button type="button" class="ui-btn ui-btn--glass" data-act="measure"
-            title="노선 위 두 점을 눌러 거리·기울기를 잽니다 (Shift+클릭도 같음)">거리 재기</button>
-          <button type="button" class="ui-btn ui-btn--glass" data-act="station-snap"
-            aria-pressed="false"
-            title="곡선(호) 안 측점 하나를 곡선 중점(MC)으로 옮깁니다 — [저장] 때 저장">측점 스냅</button>
-          <button type="button" class="ui-btn ui-btn--glass" data-act="footprint"
-            title="도로 끝 · 비탈 끝(깎기 붉음 · 쌓기 파랑)을 평면에 겹칩니다">절/성토선</button>
-          <i class="b05-route__view-separator" aria-hidden="true"></i>
-          <button type="button" class="ui-btn ui-btn--glass" data-act="undo"
-            title="되돌리기 (Ctrl+Z)" aria-label="되돌리기" disabled>↶</button>
-          <button type="button" class="ui-btn ui-btn--glass" data-act="redo"
-            title="다시하기 (Ctrl+Y)" aria-label="다시하기" disabled>↷</button>
         </div>
         <div class="b05-routeedit__hint">
-          <button type="button" class="ui-btn ui-btn--glass b05-routeedit__hint-toggle"
-            data-act="hint-toggle" aria-expanded="false" title="조작 도움말 펼치기 · 접기">?</button>
           <div class="b05-routeedit__hint-body">
           <span>노드 끌기 = 옮기기</span><span>노드 클릭 = R 라벨</span>
           <span>선 두 번 클릭 = 노드 추가</span><span>노드 오른쪽 클릭 = 삭제</span>
@@ -97,12 +102,6 @@ export function createRouteEditChrome(
           <span>가운데(휠) 버튼 끌기 = 지도 이동</span><span>휠 = 확대</span>
           </div>
         </div>
-        <div class="b05-routeedit__spin">
-          <button type="button" class="ui-btn ui-btn--glass" data-act="rotate-ccw"
-            title="반시계로 돌리기" aria-label="반시계로 돌리기">${HALF_TURN_ICON.ccw}</button>
-          <button type="button" class="ui-btn ui-btn--glass" data-act="rotate-cw"
-            title="시계로 돌리기" aria-label="시계로 돌리기">${HALF_TURN_ICON.cw}</button>
-        </div>
         <div class="b05-routeedit__measure" hidden>
           <span class="b05-routeedit__measure-text"></span>
           <span data-slot="measure-close"></span>
@@ -142,7 +141,7 @@ export function createRouteEditChrome(
 
   // 도움말 = 기본 접힘 · [?] 한 번에 펼침(345-5 덧 3).
   const hint = overlay.querySelector<HTMLElement>(".b05-routeedit__hint")!;
-  const hintToggle = hint.querySelector<HTMLButtonElement>('[data-act="hint-toggle"]')!;
+  const hintToggle = overlay.querySelector<HTMLButtonElement>('[data-act="hint-toggle"]')!;
   const setHint = (open: boolean): void => {
     hintOpen = open;
     hint.classList.toggle("is-open", open);
diff --git a/B05_Profile/B05_Profile_UI_Style_RouteEdit.css b/B05_Profile/B05_Profile_UI_Style_RouteEdit.css
index 1e6c5420b..2698017ad 100644
--- a/B05_Profile/B05_Profile_UI_Style_RouteEdit.css
+++ b/B05_Profile/B05_Profile_UI_Style_RouteEdit.css
@@ -15,9 +15,9 @@
   --b05-side-open: 460px;
 }
 
-/* 도구줄 — 3D 도구줄 규격 그대로 · 오른쪽 회전 단추 · 횡단 판을 비켜 줄바꿈. */
+/* 도구줄 — 3D 도구줄 규격 그대로 · 회전 단추도 이 줄(366-2) · 넘치면 줄바꿈. */
 .b05-routeedit__tools {
-  right: calc(var(--spacing-12) + 112px); /* 오른쪽 위 회전 단추 자리 */
+  right: var(--spacing-12);
   flex-wrap: wrap;
   pointer-events: none; /* 빈 자리는 지도 조작을 통과 */
 }
diff --git a/resources/tester/test_345_5b_plan_visible_area.py b/resources/tester/test_345_5b_plan_visible_area.py
index 0c81d8523..5ebf869b8 100644
--- a/resources/tester/test_345_5b_plan_visible_area.py
+++ b/resources/tester/test_345_5b_plan_visible_area.py
@@ -125,16 +125,14 @@ def test_판은_덮이기만_따라_안_옮김() -> None:
     assert ".b05-route-profile.is-collapsed {\n  height: 0;" in style
 
 
-def test_처음_열기와_맞춤_단추_같은_셈() -> None:
+def test_처음_열기_맞춤_그대로_맞춤_단추_없음() -> None:
+    """366-2 — [맞춤] 단추는 지움 · 처음 열 때 등고 영역 맞춤(fitView)은 그대로."""
     view = (B05 / "B05_Profile_UI_RouteEdit_View.ts").read_text(encoding="utf-8")
     assert "return { view: fitView(meta, view, nodes, contours), rotationRad: 0 };" in view
     assert "unionArea([route, ...(contours?.features ?? [])])" in view
     chrome = (B05 / "B05_Profile_UI_RouteEdit_Chrome.ts").read_text(encoding="utf-8")
-    assert 'data-act="fit"' in chrome and ">맞춤</button>" in chrome
+    assert 'data-act="fit"' not in chrome and ">맞춤</button>" not in chrome
     editor = (B05 / "B05_Profile_UI_RouteEdit.ts").read_text(encoding="utf-8")
     assert "openingView(projectId, meta, view, planned, contours?.layer ?? null)" in editor
-    at = editor.index("""overlay.querySelector('[data-act="fit"]')!""")
-    handler = editor[at : at + 260]
-    assert "view = fitView(meta, view, planned, contours?.layer ?? null);" in handler
-    assert "rotation.set(0);" in handler
+    assert 'data-act="fit"' not in editor and "fitView" not in editor
     assert len(editor.splitlines()) <= 700
diff --git a/resources/tester/test_b05_routeedit_initial.py b/resources/tester/test_b05_routeedit_initial.py
index 7cce14368..43647248b 100644
--- a/resources/tester/test_b05_routeedit_initial.py
+++ b/resources/tester/test_b05_routeedit_initial.py
@@ -208,11 +208,34 @@ def test_노선_추천_다듬기_23_3():
         return open(os.path.join(page, name), encoding="utf-8").read()
 
     chrome = read("B05_Profile_UI_RouteEdit_Chrome.ts")
-    # 345-4 — [노선 추천]은 좌측 칸 · 머리 구분선은 [3D](tools) 뒤 · 되돌리기 앞 둘 그대로
-    tools = chrome.index('data-slot="tools"')
-    divider = chrome.index("b05-route__view-separator", tools)  # 352-1 — 3D 도구줄 구분선 그대로
-    assert tools < divider < chrome.index('data-act="contour-minor"')
-    assert chrome.count("b05-route__view-separator") == 2
+    # 366-2 — [?] | ↶ ↷ | 3D | ⟲ ⟳ · 1m 등고선 · 절/성토선 · 거리 재기 | 측점 스냅 · 분석 지형(맨 오른쪽)
+    bar = chrome[
+        chrome.index("b05-routeedit__tools") : chrome.index('<div class="b05-routeedit__hint">')
+    ]
+    order = [
+        'data-act="hint-toggle"',
+        "|",
+        'data-act="undo"',
+        'data-act="redo"',
+        "|",
+        'data-slot="tools"',
+        "|",
+        'data-act="rotate-ccw"',
+        'data-act="rotate-cw"',
+        'data-act="contour-minor"',
+        'data-act="footprint"',
+        'data-act="measure"',
+        "|",
+        'data-act="station-snap"',
+        'class="b05-routeedit__terrain"',
+    ]
+    at = 0
+    for mark in order:
+        key = "b05-route__view-separator" if mark == "|" else mark
+        at = bar.index(key, at) + 1
+    assert bar.count("b05-route__view-separator") == 4
+    assert chrome.count("b05-route__view-separator") == 4
+    assert "b05-routeedit__spin" not in chrome  # 회전 = 도구줄(추천 모달 CSS 는 남음)
     shared = read("B05_Profile_UI_RouteEdit_Recommend_Map.ts")
     for name in ("bindRouteEditNavigation", "createMapRotation", "fitCanvas", "metricToScreen"):
         assert f"{name}(" in shared

From 6e16817611a360e5e18a55a0ff254c66d4c22c06 Mon Sep 17 00:00:00 2001
From: umsangdon <umsangdon@gmail.com>
Date: Sat, 17 Oct 2026 11:49:16 +0900
Subject: [PATCH 2/3] =?UTF-8?q?feat(B05=20=ED=8F=89=EB=A9=B4):=20366-1=20?=
 =?UTF-8?q?=EB=93=B1=EA=B3=A0=EC=84=A0=20=EC=9E=90=EB=AC=BC=EC=87=A0=20?=
 =?UTF-8?q?=EA=B3=A0=EB=A5=B8=20=EB=95=8C=EB=A7=8C=20=E2=80=94=20=EC=A7=80?=
 =?UTF-8?q?=EB=82=98=EA=B8=B0=EB=A7=8C=20=ED=95=98=EB=A9=B4=20=EC=95=88=20?=
 =?UTF-8?q?=EB=9C=B8=20=C2=B7=20=EA=B3=A0=EB=A5=B8=20=EA=B0=80=EB=8B=A5?=
 =?UTF-8?q?=EC=9D=84=20=EB=88=84=EB=A5=B8=20=EC=9E=90=EB=A6=AC=20=EC=98=86?=
 =?UTF-8?q?=20=C2=B7=20=EC=9E=A0=EA=B9=80=EC=9D=B4=EB=A9=B4=20=EC=9E=A0?=
 =?UTF-8?q?=EA=B7=BC=20=EB=86=92=EC=9D=B4=20=EC=95=84=EB=AC=B4=20=EA=B0=80?=
 =?UTF-8?q?=EB=8B=A5=20=EB=88=84=EB=A5=BC=20=EB=95=8C=20=ED=92=80=EA=B8=B0?=
 =?UTF-8?q?=20=EB=8B=A8=EC=B6=94=20=C2=B7=20=EB=8B=A4=EC=9D=8C=20=ED=81=B4?=
 =?UTF-8?q?=EB=A6=AD=20=C2=B7=20=ED=9C=A0=20=C2=B7=20=EB=96=A0=EB=82=A8=20?=
 =?UTF-8?q?0.7=20s=20=EC=97=90=20=EC=88=A8=EA=B9=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Ji4nuyLVHcxrXWHTdb5nRD
---
 B05_Profile/B05_Profile_UI_RouteEdit.ts       |  2 +-
 .../B05_Profile_UI_RouteEdit_ContourLock.ts   | 61 +++++++++++--------
 B05_Profile/logic/B05_Profile_ContourLock.ts  | 10 +--
 resources/tester/test_353_2_contour_lock.py   | 29 ++++++---
 4 files changed, 61 insertions(+), 41 deletions(-)

diff --git a/B05_Profile/B05_Profile_UI_RouteEdit.ts b/B05_Profile/B05_Profile_UI_RouteEdit.ts
index f08e4e559..2a9cc77b8 100644
--- a/B05_Profile/B05_Profile_UI_RouteEdit.ts
+++ b/B05_Profile/B05_Profile_UI_RouteEdit.ts
@@ -194,7 +194,7 @@ export async function mountRouteEditor(
   /** 등고선 자물쇠(353-2) — 잠긴 동안 빈 곳 · 다른 가닥을 눌러도 고른 것이 안 바뀜. */
   const contourLock = createContourLock(
     canvas,
-    () => contours && { layer: contours.layer, view, stepM: contourStepM(), rotation },
+    () => contours && { ...contours, view, rotation, stepM: contourStepM(), picked: pickedContour },
     (index) => ((pickedContour = index), draw()),
   );
   /** 측점 횡단 미리보기 창 — 측점 눈금을 누르면 뜬다(계획서 0-9 ⑧). */
diff --git a/B05_Profile/B05_Profile_UI_RouteEdit_ContourLock.ts b/B05_Profile/B05_Profile_UI_RouteEdit_ContourLock.ts
index e8e52b173..146717a3c 100644
--- a/B05_Profile/B05_Profile_UI_RouteEdit_ContourLock.ts
+++ b/B05_Profile/B05_Profile_UI_RouteEdit_ContourLock.ts
@@ -1,10 +1,11 @@
 /* =============================================================================
  * B05_Profile_UI_RouteEdit_ContourLock.ts
- * 평면 등고선 자물쇠(353-2) — 등고선 위를 지나거나 고른 가닥 위에 뜨는 작은 단추.
+ * 평면 등고선 자물쇠(353-2) — 가닥을 고른 때만 누른 자리 옆에 뜨는 작은 단추(366-1 · 지나기만 = 안 뜸).
  *
- * 누르면 그 높이를 고정(빈 곳 · 다른 가닥을 눌러도 고른 것이 안 바뀜) · 다시 누르면 풂.
+ * 누르면 그 높이를 고정(빈 곳 · 다른 가닥을 눌러도 고른 것이 안 바뀜) · 잠근 높이 가닥을 다시
+ * 누르면 풀기 단추 · 다음 클릭 · 휠 · 떠남(0.7 s)에 숨김.
  * 높이값으로 쥐어 지형을 바꿔도 같은 높이를 다시 짚음 · 페이지 동안만(저장 안 함).
- * 규칙은 `logic/B05_Profile_ContourLock` · 호버 판정은 집기와 같은 `hitPreparedLayer`.
+ * 규칙은 `logic/B05_Profile_ContourLock` · 누름 판정은 집기와 같은 `hitPreparedLayer`.
  * ========================================================================== */
 
 import { pickPx } from "../A00_Common/touch_bridge";
@@ -22,8 +23,10 @@ import {
 import "./B05_Profile_UI_Style_RouteEdit_ContourLock.css";
 
 /** 집기(`_Pointer` CONTOUR_HIT_PX)와 같은 거리(px). */
-const HOVER_HIT_PX = 6;
-/** 커서가 선을 떠난 뒤 단추가 남는 시간(ms) — 단추로 옮겨 갈 틈. */
+const HIT_PX = 6;
+/** 누름 ~ 뗌 사이 이만큼(px) 넘게 움직이면 끌기 — 고르기 아님. */
+const MOVE_PX = 4;
+/** 커서가 지도를 떠난 뒤 단추가 남는 시간(ms) — 단추로 옮겨 갈 틈. */
 const HIDE_DELAY_MS = 700;
 /** 단추는 커서 오른쪽 위로 이만큼(px) — 선과 커서를 안 가림. */
 const OFFSET_PX = 12;
@@ -33,12 +36,14 @@ const LOCK_SVG = `<svg viewBox="0 0 16 16" width="14" height="14" aria-hidden="t
   <path class="b05-contourlock__shackle" d="M5 7V5a3 3 0 0 1 6 0v2" fill="none"
     stroke="currentColor" stroke-width="1.6"/></svg>`;
 
-/** 호버 판정에 쓰는 지금 화면 — 등고선이 없으면 null. */
+/** 누름 판정에 쓰는 지금 화면 — 등고선이 없으면 null. */
 export interface ContourLockScene {
   layer: PreparedLayer;
   view: ViewState;
-  /** 지금 화면 등고선 간격 — 그리지 않은 줄은 호버도 안 됨. */
+  /** 지금 화면 등고선 간격 — 그리지 않은 줄은 안 잡힘. */
   stepM: number;
+  /** 고른 가닥 번호(없으면 -1) — 안 잠김이면 이 가닥을 누를 때만 뜸. */
+  picked: number;
   rotation: { unrotate: (px: number, py: number) => [number, number] };
 }
 
@@ -68,8 +73,8 @@ export function createContourLock(
   /** 단추가 가리키는 가닥 — 누르면 이 가닥을 잠금. */
   let target = -1;
   let hideTimer = 0;
-  let frame = 0;
-  let last: PointerEvent | null = null;
+  let downX = 0;
+  let downY = 0;
 
   const levelOf = (index: number): number | null =>
     index >= 0 ? (scene()?.layer.features[index]?.labelValue ?? null) : null;
@@ -96,17 +101,24 @@ export function createContourLock(
     hideTimer = 0;
   };
 
-  const hover = (event: PointerEvent): void => {
+  const hide = (): void => {
+    keep();
+    button.hidden = true;
+  };
+
+  /** 누름을 뗀 자리 — 고른 가닥(잠김이면 잠근 높이 가닥)일 때만 그 옆에 띄움. */
+  const showAt = (event: PointerEvent): void => {
     const now = scene();
-    // 단추를 누른 채(노드 · 손잡이 끌기 · 화면 이동) 지나가면 안 봄
-    if (!now || event.buttons !== 0) return hideLater();
+    // 끌기 · 화면 이동 · 재기(Shift)는 고르기가 아님
+    const moved = Math.hypot(event.clientX - downX, event.clientY - downY) > MOVE_PX;
+    if (!now || event.button !== 0 || event.shiftKey || moved) return;
     const rect = canvas.getBoundingClientRect();
     const [px, py] = now.rotation.unrotate(event.clientX - rect.left, event.clientY - rect.top);
-    const hitPx = pickPx(HOVER_HIT_PX);
+    const hitPx = pickPx(HIT_PX);
     const index = hitPreparedLayer(now.layer, now.view, px, py, hitPx, now.stepM);
-    const state = lockButtonState(levelOf(index), lockedLevel);
-    if (!state.visible) return hideLater();
-    keep();
+    if (!lockButtonState(levelOf(index), lockedLevel, index >= 0 && index === now.picked).visible) {
+      return;
+    }
     target = index;
     const origin = wrap.getBoundingClientRect();
     button.style.left = `${Math.round(event.clientX - origin.left + OFFSET_PX)}px`;
@@ -115,17 +127,14 @@ export function createContourLock(
     paint();
   };
 
-  // 한 프레임에 한 번만 잼 — 도엽 등고선은 수천 가닥.
-  canvas.addEventListener("pointermove", (event) => {
-    last = event;
-    if (frame) return;
-    frame = requestAnimationFrame(() => {
-      frame = 0;
-      if (last) hover(last);
-    });
+  // 다음 클릭 · 휠에 숨김 — 집기(`_Pointer`)보다 먼저 달려 있어 고른 뒤 pointerup 이 다시 띄움.
+  canvas.addEventListener("pointerdown", (event) => {
+    downX = event.clientX;
+    downY = event.clientY;
+    hide();
   });
-  // 고른 직후(누름을 뗀 자리)에도 띄움 — 터치는 호버가 없음.
-  canvas.addEventListener("pointerup", hover);
+  canvas.addEventListener("pointerup", showAt);
+  canvas.addEventListener("wheel", hide, { passive: true });
   canvas.addEventListener("pointerleave", hideLater);
   button.addEventListener("pointerenter", keep);
   button.addEventListener("pointerleave", hideLater);
diff --git a/B05_Profile/logic/B05_Profile_ContourLock.ts b/B05_Profile/logic/B05_Profile_ContourLock.ts
index 85fffd545..62242854a 100644
--- a/B05_Profile/logic/B05_Profile_ContourLock.ts
+++ b/B05_Profile/logic/B05_Profile_ContourLock.ts
@@ -21,13 +21,15 @@ export function featureOfLevel(levels: ContourLevels, level: number | null): num
   return levels.findIndex((value) => value === level);
 }
 
-/** 커서 아래 가닥 높이 · 잠근 높이 → 단추 — 안 잠김 = 높이 있는 가닥 위에서 · 잠김 = 그 높이 위에서만. */
+/** 누른 가닥 높이 · 잠근 높이 · 고른 가닥인지 → 단추(366-1) — 안 잠김 = 높이 있는 고른 가닥을
+ *  누를 때만 · 잠김 = 잠근 높이의 아무 가닥을 누를 때(풀기). 지나가기만 하면 안 뜸. */
 export function lockButtonState(
-  hoverLevel: number | null,
+  hitLevel: number | null,
   lockedLevel: number | null,
+  selected: boolean,
 ): LockButtonState {
-  if (lockedLevel !== null) return { visible: hoverLevel === lockedLevel, pressed: true };
-  return { visible: hoverLevel !== null, pressed: false };
+  if (lockedLevel !== null) return { visible: hitLevel === lockedLevel, pressed: true };
+  return { visible: hitLevel !== null && selected, pressed: false };
 }
 
 /** 단추 누름 — 잠김이면 풂(null) · 아니면 그 가닥 높이로 잠금. */
diff --git a/resources/tester/test_353_2_contour_lock.py b/resources/tester/test_353_2_contour_lock.py
index 9dc0a4c58..38ba30392 100644
--- a/resources/tester/test_353_2_contour_lock.py
+++ b/resources/tester/test_353_2_contour_lock.py
@@ -26,10 +26,11 @@ new Function("exports", "module", js)(m.exports, m);
 const L = m.exports;
 const levels = [101, 102, 105, 102, null];
 console.log(JSON.stringify({
-  hoverFree: L.lockButtonState(102, null),
-  hoverNone: L.lockButtonState(null, null),
-  hoverLocked: L.lockButtonState(102, 102),
-  hoverOther: L.lockButtonState(105, 102),
+  hitPicked: L.lockButtonState(102, null, true),
+  hitOnly: L.lockButtonState(102, null, false),
+  hitNone: L.lockButtonState(null, null, true),
+  hitLocked: L.lockButtonState(102, 102, false),
+  hitOther: L.lockButtonState(105, 102, true),
   lock: L.toggleLock(null, 102),
   unlock: L.toggleLock(102, 105),
   pickFree: L.canPickContour(null),
@@ -50,14 +51,16 @@ def got() -> dict:
     return json.loads(run.stdout)
 
 
-def test_안_잠김_단추는_높이_있는_가닥_위에서(got) -> None:
-    assert got["hoverFree"] == {"visible": True, "pressed": False}
-    assert got["hoverNone"]["visible"] is False
+def test_안_잠김_단추는_고른_가닥을_누를_때만(got) -> None:
+    """366-1 — 지나기만 · 고르지 않은 가닥 = 안 뜸."""
+    assert got["hitPicked"] == {"visible": True, "pressed": False}
+    assert got["hitOnly"]["visible"] is False
+    assert got["hitNone"]["visible"] is False
 
 
-def test_잠김_단추는_그_높이_위에서만_눌린_모양(got) -> None:
-    assert got["hoverLocked"] == {"visible": True, "pressed": True}
-    assert got["hoverOther"]["visible"] is False
+def test_잠김_단추는_잠근_높이_아무_가닥을_누를_때_풀기(got) -> None:
+    assert got["hitLocked"] == {"visible": True, "pressed": True}
+    assert got["hitOther"]["visible"] is False
 
 
 def test_누르면_잠금_다시_누르면_풂(got) -> None:
@@ -79,3 +82,9 @@ def test_편집기_이음() -> None:
     lock = (B05 / "B05_Profile_UI_RouteEdit_ContourLock.ts").read_text("utf-8")
     assert "hitPreparedLayer(" in lock and 'setAttribute("aria-pressed"' in lock
     assert "sessionStorage" not in lock and "writeState" not in lock  # 페이지 동안만
+    # 366-1 — 지나기(pointermove)로 안 띄움 · 뗀 자리 · 다음 클릭 · 휠 · 떠남에 숨김
+    assert '"pointermove"' not in lock
+    assert 'canvas.addEventListener("pointerup", showAt);' in lock
+    assert 'canvas.addEventListener("wheel", hide' in lock
+    assert 'canvas.addEventListener("pointerleave", hideLater);' in lock
+    assert "picked: pickedContour" in edit

From 141bf31731eee544b6d638a30d673a3bacf7ed0b Mon Sep 17 00:00:00 2001
From: umsangdon <umsangdon@gmail.com>
Date: Sat, 17 Oct 2026 11:55:50 +0900
Subject: [PATCH 3/3] =?UTF-8?q?feat(B05=20=ED=8F=89=EB=A9=B4):=20366-3=20?=
 =?UTF-8?q?=EC=B8=A1=EC=A0=90=20=EC=8A=A4=EB=83=85=20=EC=BC=AC=20=3D=20?=
 =?UTF-8?q?=EA=B3=A1=EC=84=A0=20=EA=B0=80=EC=9A=B4=EB=8D=B0(MC)=EB=A5=BC?=
 =?UTF-8?q?=20=EC=9D=BC=EB=B0=98=EC=B8=A1=EC=A0=90=EC=97=90=20=E2=80=94=20?=
 =?UTF-8?q?=EC=83=88=20logic=20StationFit(=EA=B3=A0=EC=B9=9C=20=EC=9E=90?=
 =?UTF-8?q?=EB=A6=AC=20=EC=95=9E=20=EA=B3=A1=EC=84=A0=EB=B6=80=ED=84=B0=20?=
 =?UTF-8?q?=C2=B7=20=EA=B3=A0=EC=A0=95=20=EC=95=84=EB=8B=8C=20IP=20?=
 =?UTF-8?q?=EB=A5=BC=20=EB=93=A4=EC=96=B4=EC=98=A4=EB=8A=94=20=EC=A0=91?=
 =?UTF-8?q?=EC=84=A0=20=EB=94=B0=EB=9D=BC=20=C2=B1=EA=B0=84=EA=B2=A9/2=20?=
 =?UTF-8?q?=C2=B7=20=ED=95=98=ED=95=9C=20=EC=83=88=EB=A1=9C=20=EA=B9=B8=20?=
 =?UTF-8?q?=C2=B7=20=EC=95=9E=20MC=20=ED=9D=94=EB=93=A6=20=3D=20=EB=B2=84?=
 =?UTF-8?q?=EB=A6=BC)=20=C2=B7=20=EB=86=93=EC=9D=84=20=EB=95=8C=20=C2=B7?=
 =?UTF-8?q?=20applyEdit=20=C2=B7=20=EC=BC=A4=20=EB=95=8C=20=EC=A0=84?=
 =?UTF-8?q?=EC=B2=B4=20=ED=95=9C=20=EA=B1=B8=EC=9D=8C=20=C2=B7=20=EB=90=98?=
 =?UTF-8?q?=EB=8F=8C=EB=A6=AC=EA=B8=B0=20=C2=B7=20=EC=B6=94=EC=B2=9C=20?=
 =?UTF-8?q?=EC=A0=81=EC=9A=A9=20=C2=B7=20=EC=B4=88=EC=95=88=20=EB=90=98?=
 =?UTF-8?q?=EC=82=B4=EB=A6=BC=EC=9D=80=20=EC=95=88=20=EB=A7=9E=EC=B6=A4=20?=
 =?UTF-8?q?=C2=B7=20=EC=83=81=ED=83=9C=EC=A4=84=20=E3=80=8C=EC=B8=A1?=
 =?UTF-8?q?=EC=A0=90=20=EB=B0=96=20=EA=B3=A1=EC=84=A0=20N=EA=B0=9C?=
 =?UTF-8?q?=E3=80=8D=20=C2=B7=20=EB=8B=A8=EC=B6=94=20title=20=EC=83=88=20?=
 =?UTF-8?q?=EA=B7=9C=EC=B9=99=20=C2=B7=20Node=20=EC=8B=9C=ED=97=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Ji4nuyLVHcxrXWHTdb5nRD
---
 B05_Profile/B05_Profile_UI_RouteEdit.ts       |  16 +-
 .../B05_Profile_UI_RouteEdit_Chrome.ts        |   2 +-
 .../logic/B05_Profile_RouteEdit_StationFit.ts | 171 ++++++++++++++++++
 .../logic/B05_Profile_UI_RouteEdit_Edits.ts   |   3 +
 resources/tester/helper_366_3_station_fit.cjs | 114 ++++++++++++
 .../tester/test_345_4_recommend_panel.py      |   4 +-
 resources/tester/test_366_3_station_fit.py    |  85 +++++++++
 7 files changed, 388 insertions(+), 7 deletions(-)
 create mode 100644 B05_Profile/logic/B05_Profile_RouteEdit_StationFit.ts
 create mode 100644 resources/tester/helper_366_3_station_fit.cjs
 create mode 100644 resources/tester/test_366_3_station_fit.py

diff --git a/B05_Profile/B05_Profile_UI_RouteEdit.ts b/B05_Profile/B05_Profile_UI_RouteEdit.ts
index 2a9cc77b8..964be9050 100644
--- a/B05_Profile/B05_Profile_UI_RouteEdit.ts
+++ b/B05_Profile/B05_Profile_UI_RouteEdit.ts
@@ -91,6 +91,7 @@ import {
 import type { DesignPageHost } from "../A00_Common/design/design_page";
 import * as draftLink from "./B05_Profile_UI_RouteEdit_Draft";
 import { bindRouteShift } from "./B05_Profile_UI_RouteEdit_Shift";
+import * as fit from "./logic/B05_Profile_RouteEdit_StationFit";
 import "./B05_Profile_UI_Style_RouteEdit.css";
 
 /** 등고선 눈금을 고를 때 쓸 라벨 예산 — B04 지도 기본값(350)보다 **넉넉히** 둔다
@@ -159,7 +160,7 @@ export async function mountRouteEditor(
   let apexLock: boolean[] = [];
   /** 지금 고른 꺾임점 — 곡선 편집줄이 이 자리를 만진다. 없으면 -1. */
   let picked = -1;
-  /** [측점 스냅](요구 224-2) — 보기 모드라 되돌리기 밖 · 열 때 서버 값 · [확인] 때 저장. */
+  /** [측점 스냅](224-2 · 366-3) — 켬 = 곡선 MC 를 일반측점에 · 켬끔 자체는 되돌리기 밖 · [저장] 때 저장. */
   let stationSnap = false;
   let savedStationSnap = false;
   /** 편집 창 측점 한 곳 — 끔이면 null(간격마다) · 켬이면 호 안 하나를 곡선 중점으로.
@@ -265,6 +266,7 @@ export async function mountRouteEditor(
   const showMinorContours = bindMinorContourToggle(minorContourButton, () => draw());
   stationSnapButton.addEventListener("click", () => {
     setStationSnap(!stationSnap);
+    if (stationSnap && history) applyEdit("곡선 가운데(MC)를 일반측점에 맞췄습니다."); // 전체 · 한 걸음
     void crossPreview.refresh(); // 떠 있는 횡단도 옮긴 측점 규칙으로.
     draw();
   });
@@ -415,6 +417,7 @@ export async function mountRouteEditor(
       violationCount: nodeInfo.filter((node) => node.violations.length).length,
       minRadiusM,
       fresh: nodeInfo.length === 0,
+      offStation: stationSnap ? fit.offStationCount(plannedLine, curveInfo, stationIntervalM) : 0,
     });
 
   // ── 곡선 라벨 — 고른 꺾임점 옆에 뜨는 조작 패널. 배선은 `_CurveBar` 몫 ──
@@ -445,8 +448,12 @@ export async function mountRouteEditor(
   const curveLabelBox = curveBar.label;
   const syncCurveBar = curveBar.sync;
 
-  /** 한 번의 편집을 마무리한다 — 다시 그리고, 라벨·상태줄을 맞추고, 되돌리기에 쌓는다. */
-  function applyEdit(message: string, record = true): void {
+  /** 한 번의 편집을 마무리한다 — 다시 그리고, 라벨·상태줄을 맞추고, 되돌리기에 쌓는다.
+   *  측점 스냅 켬이면 고친 자리 앞 곡선부터 MC 를 일반측점에(366-3 · 되살림 `fitting=false` 은 안 맞춤). */
+  function applyEdit(message: string, record = true, fitting = true): void {
+    const limits = { minRadiusM, limitRadiusM, limitArcM, intervalM: stationIntervalM };
+    const from = fit.fitStart(history?.current?.(), snapshotNow());
+    if (stationSnap && fitting) planned = fit.fitCurveStations(snapshotNow(), limits, from);
     markEdited();
     writeRouteLocks(projectId, planned, apexLock); // 고정은 [취소] · 다시 열기에도 남는다(22-5).
     syncCurveBar();
@@ -476,7 +483,7 @@ export async function mountRouteEditor(
     const locks = record ? routeLocksOf(planned, apexLock) : null;
     ({ planned, curveOn, curveRadius, curveLock, curveArc, apexLock, picked } = snapshot);
     if (locks) apexLock = lockColumn(planned, locks);
-    applyEdit(message, record);
+    applyEdit(message, record, false); // 되돌리기 · 추천 [적용] · 초안 되살림은 안 맞춤(366-3)
   }
 
   const historyControls = bindHistoryControls({
@@ -532,6 +539,7 @@ export async function mountRouteEditor(
     curveHint,
     contourHint,
     commit: () => {
+      if (stationSnap) return applyEdit("곡선 가운데(MC)를 일반측점에 맞췄습니다."); // 놓을 때(366-3)
       history?.commit(snapshotNow());
       historyControls.sync();
     },
diff --git a/B05_Profile/B05_Profile_UI_RouteEdit_Chrome.ts b/B05_Profile/B05_Profile_UI_RouteEdit_Chrome.ts
index 5e8ed273a..13021c9e8 100644
--- a/B05_Profile/B05_Profile_UI_RouteEdit_Chrome.ts
+++ b/B05_Profile/B05_Profile_UI_RouteEdit_Chrome.ts
@@ -85,7 +85,7 @@ export function createRouteEditChrome(
           <i class="b05-route__view-separator" aria-hidden="true"></i>
           <button type="button" class="ui-btn ui-btn--glass" data-act="station-snap"
             aria-pressed="false"
-            title="곡선(호) 안 측점 하나를 곡선 중점(MC)으로 옮깁니다 — [저장] 때 저장">측점 스냅</button>
+            title="켜면 곡선 가운데(MC)를 가까운 일반측점에 맞춥니다 — 놓을 때 고친 자리부터 교각점을 간격 절반 안에서 밂 · 고정 교각점은 그대로 · 못 맞춘 곡선은 상태줄 「측점 밖 곡선」 · [저장] 때 저장">측점 스냅</button>
           <label class="b05-routeedit__terrain" hidden
             title="노선 편집 분석(등고선 · 지반고 · 기울기 · 횡단 미리보기 · 추천)에 쓸 지형 — 확정 지표면 · 종횡단은 안 바뀝니다">분석 지형
             <select class="ui-select ui-select--sm" data-act="terrain">
diff --git a/B05_Profile/logic/B05_Profile_RouteEdit_StationFit.ts b/B05_Profile/logic/B05_Profile_RouteEdit_StationFit.ts
new file mode 100644
index 000000000..c2e1da9ea
--- /dev/null
+++ b/B05_Profile/logic/B05_Profile_RouteEdit_StationFit.ts
@@ -0,0 +1,171 @@
+/* =============================================================================
+ * B05_Profile/logic/B05_Profile_RouteEdit_StationFit.ts
+ * 측점 스냅 켬 = 곡선 가운데(MC)를 일반측점에(366-3 · 요구 240-11) — 손 편집 평면.
+ *
+ * 추천 노선 맞춤(`B05_Profile_Engine_RouteInitial_Station.py` `_try` · `_solve`)을 줄인 꼴:
+ *   · `from`(`fitStart` = 고친 자리 앞)부터 끝까지 차례로 — 고정 아닌 교각점(IP)을 들어오는 접선 따라 ±간격/2 안에서
+ *     밀어 MC(BC · EC 누가거리 가운데)를 가까운 일반측점(앞 MC 측점 + 간격 이상 · No.1 이상)에 둠.
+ *   · 곡선 하한을 새로 깨거나(`shortfallCrossed`) 앞 곡선 MC 를 흔들면 버림 → 그 곡선은 그대로.
+ *   · 반지름 · 켬끔은 안 바꿈 — IP 자리만. 합치기 · 곡선 끄기 · 되돌아가기 없음.
+ * 파이썬 짝 아님 — [저장] 때 서버가 저장된 IP 로 선을 다시 짬(`buildEditedPolyline` 짝)이라 MC 그대로.
+ * 순수 계산 — 화면 · fetch · sessionStorage 없음. 부르는 쪽은 `B05_Profile_UI_RouteEdit`.
+ * ========================================================================== */
+
+import {
+  buildEditedPolyline,
+  type EditedCurve,
+  type EditedPolyline,
+  type Vertex,
+} from "./B05_Profile_UI_RouteEdit_Curve";
+import {
+  applyArcLocks,
+  applyCurveLimits,
+  curveShortfalls,
+  shortfallCrossed,
+  type NodeColumns,
+} from "./B05_Profile_UI_RouteEdit_Edits";
+import { curveSpans } from "./B05_Profile_UI_RouteEdit_Frame";
+
+/** MC 가 측점에서 이만큼 안이면 「위」(m) — 파이썬 `MC_TOL_M` 과 같은 값. */
+export const MC_TOL_M = 0.05;
+
+/** 선을 짜는 값 — 편집 창이 쥔 하한 · 간격. */
+export interface FitLimits {
+  minRadiusM: number;
+  limitRadiusM: number;
+  limitArcM: number;
+  intervalM: number;
+}
+
+type Columns = Pick<NodeColumns, "curveOn" | "curveRadius" | "curveLock" | "curveArc" | "apexLock">;
+
+/** 편집 창 `markEdited` 와 같은 길(길이 고정 R · 하한 끌어올림 → 선) — 값은 사본에. */
+function build(cols: Columns, planned: Vertex[], limits: FitLimits): EditedPolyline {
+  const radius = [...cols.curveRadius];
+  applyArcLocks(planned, cols.curveLock, cols.curveArc, radius);
+  applyCurveLimits(planned, cols.curveOn, radius, limits.limitRadiusM, limits.limitArcM);
+  return buildEditedPolyline(planned, cols.curveOn, radius, limits.minRadiusM);
+}
+
+/** 꺾임점 `k` 곡선의 MC 누가거리 — 곡선이 없으면 null. */
+function mcOf(built: EditedPolyline, k: number): number | null {
+  const curve = built.curves.find((item) => item.node_first === k);
+  const span = curve ? curveSpans(built.vertices, [curve])[0] : undefined;
+  return span ? (span[0] + span[1]) / 2 : null;
+}
+
+/** 측점 밖 곡선 수 — MC 가 일반측점(No.1 이상) 위가 아닌 곡선 · 한 측점에 둘이면 하나만 위. */
+export function offStationCount(
+  line: ReadonlyArray<Vertex>,
+  curves: ReadonlyArray<EditedCurve>,
+  intervalM: number,
+): number {
+  if (!(intervalM > 0)) return 0;
+  const spans = curveSpans(line, curves);
+  const hits = new Set<number>();
+  for (const [start, end] of spans) {
+    const mc = (start + end) / 2;
+    const n = Math.round(mc / intervalM);
+    if (n >= 1 && Math.abs(mc - n * intervalM) <= MC_TOL_M) hits.add(n);
+  }
+  return spans.length - hits.size;
+}
+
+/** 맞춤을 시작할 꺾임점 — 지난 걸음과 처음 다른 자리 바로 앞(그 곡선 끝 접선도 바뀜) · 같으면 1. */
+export function fitStart(
+  before: (Columns & Pick<NodeColumns, "planned">) | null | undefined,
+  now: Columns & Pick<NodeColumns, "planned">,
+): number {
+  if (!before) return 1;
+  const keys = ["curveOn", "curveRadius", "curveLock", "curveArc", "apexLock"] as const;
+  const at = now.planned.findIndex(
+    (vertex, i) =>
+      vertex[0] !== before.planned[i]?.[0] ||
+      vertex[1] !== before.planned[i]?.[1] ||
+      keys.some((key) => now[key][i] !== before[key][i]),
+  );
+  const changed =
+    at < 0 && now.planned.length !== before.planned.length ? now.planned.length - 1 : at;
+  return Math.max(1, changed - 1);
+}
+
+const round4 = (value: number): number => Math.round(value * 1e4) / 1e4;
+
+/** 곡선 하나 맞춤 — IP `k` 를 들어오는 접선 따라 d 밀어 MC = target(할선법 · 기울기 ≈ 1). */
+function solve(
+  cols: Columns,
+  limits: FitLimits,
+  planned: Vertex[],
+  k: number,
+  target: number,
+  mc: number,
+): { planned: Vertex[]; built: EditedPolyline; mc: number } | null {
+  const base = planned[k];
+  const before = planned[k - 1];
+  const length = Math.hypot(base[0] - before[0], base[1] - before[1]);
+  if (!(length > 1e-9)) return null;
+  const ux = (base[0] - before[0]) / length;
+  const uy = (base[1] - before[1]) / length;
+  const reach = limits.intervalM / 2;
+  const clamp = (d: number): number => Math.max(-reach, Math.min(reach, d));
+  const at = (d: number) => {
+    const next = planned.slice();
+    next[k] = [round4(base[0] + ux * d), round4(base[1] + uy * d)];
+    const built = build(cols, next, limits);
+    const found = mcOf(built, k);
+    return found === null ? null : { planned: next, built, mc: found };
+  };
+  let d0 = 0;
+  let f0 = mc - target;
+  let d1 = clamp(-f0);
+  for (let step = 0; step < 10; step += 1) {
+    const tried = at(d1);
+    if (!tried || d1 === d0) return null;
+    const f1 = tried.mc - target;
+    if (Math.abs(f1) <= MC_TOL_M / 5) return tried;
+    const slope = (f1 - f0) / (d1 - d0);
+    if (Math.abs(slope) < 0.2) return null;
+    d0 = d1;
+    f0 = f1;
+    d1 = clamp(d1 - f1 / slope);
+  }
+  return null;
+}
+
+/** `from` 꺾임점부터 끝까지 곡선 MC 를 일반측점에 — 새 IP 목록(못 놓은 곡선 IP 는 그대로). */
+export function fitCurveStations(
+  cols: Columns & Pick<NodeColumns, "planned">,
+  limits: FitLimits,
+  from: number,
+): Vertex[] {
+  let planned = cols.planned.map((vertex): Vertex => [vertex[0], vertex[1]]);
+  const interval = limits.intervalM;
+  if (!(interval > 0) || planned.length < 3) return planned;
+  let built = build(cols, planned, limits);
+  const floor = curveShortfalls(built.nodes, limits.limitRadiusM, limits.limitArcM);
+  let lastStation = 0; // 앞 곡선이 놓인 측점 번호(없으면 0 = 시점)
+  let previous = -1; // 앞 곡선 꺾임점
+  for (let k = 1; k < planned.length - 1; k += 1) {
+    const mc = mcOf(built, k);
+    if (mc === null) continue;
+    const near = Math.max(lastStation + 1, Math.round(mc / interval));
+    const onStation = Math.abs(mc - near * interval) <= MC_TOL_M;
+    const fitted =
+      onStation || k < from || cols.apexLock[k] || Math.abs(near * interval - mc) > interval / 2
+        ? null
+        : solve(cols, limits, planned, k, near * interval, mc);
+    const keep =
+      fitted &&
+      !shortfallCrossed(
+        floor,
+        curveShortfalls(fitted.built.nodes, limits.limitRadiusM, limits.limitArcM),
+      ) &&
+      (previous < 0 ||
+        Math.abs((mcOf(fitted.built, previous) ?? Infinity) - (mcOf(built, previous) ?? 0)) <=
+          MC_TOL_M / 5);
+    if (fitted && keep) ({ planned, built } = fitted);
+    if (onStation || keep) lastStation = near;
+    previous = k;
+  }
+  return planned;
+}
diff --git a/B05_Profile/logic/B05_Profile_UI_RouteEdit_Edits.ts b/B05_Profile/logic/B05_Profile_UI_RouteEdit_Edits.ts
index 1106aa610..30fdf4ddd 100644
--- a/B05_Profile/logic/B05_Profile_UI_RouteEdit_Edits.ts
+++ b/B05_Profile/logic/B05_Profile_UI_RouteEdit_Edits.ts
@@ -168,6 +168,8 @@ export interface CurveSummaryInput {
   minRadiusM: number;
   /** 아직 한 번도 안 그렸나(막 열었을 때). */
   fresh: boolean;
+  /** 측점 스냅 켬 때 MC 가 일반측점 밖인 곡선 수(366-3) — 끔이면 0. */
+  offStation?: number;
 }
 
 /** 상태줄 꼬리 — 곡선 수·기준 미달·사용자가 손댄 자리를 한 줄로. */
@@ -192,6 +194,7 @@ export function curveSummary(input: CurveSummaryInput): string {
   return (
     `곡선 ${input.curveCount}곳(하한 R ${input.minRadiusM}m)` +
     `${input.violationCount ? ` · 기준 미달 ${input.violationCount}곳` : ""}` +
+    `${input.offStation ? ` · 측점 밖 곡선 ${input.offStation}개` : ""}` +
     `${edits ? ` · ${edits}` : ""}`
   );
 }
diff --git a/resources/tester/helper_366_3_station_fit.cjs b/resources/tester/helper_366_3_station_fit.cjs
new file mode 100644
index 000000000..37e872e41
--- /dev/null
+++ b/resources/tester/helper_366_3_station_fit.cjs
@@ -0,0 +1,114 @@
+/* 366-3 측점 스냅 = 곡선 가운데(MC)를 일반측점에 — `logic/B05_Profile_RouteEdit_StationFit.ts` 를
+ * Node 로 돌려 JSON 한 줄을 냄(`test_366_3_station_fit.py` 가 판정).
+ * `.cjs` = 루트 package.json 이 "type": "module" 이라서.
+ */
+const fs = require("fs");
+const path = require("path");
+const ts = require(path.join(__dirname, "..", "..", "config", "node_modules", "typescript"));
+
+const ROOT = path.join(__dirname, "..", "..");
+const cache = new Map();
+
+function loadTs(file) {
+  const full = path.resolve(file);
+  if (cache.has(full)) return cache.get(full);
+  const js = ts.transpileModule(fs.readFileSync(full, "utf8"), {
+    compilerOptions: { module: ts.ModuleKind.CommonJS, target: ts.ScriptTarget.ES2020 },
+  }).outputText;
+  const box = { exports: {} };
+  cache.set(full, box.exports);
+  const localRequire = (request) =>
+    request.startsWith(".")
+      ? loadTs(path.join(path.dirname(full), `${request}.ts`))
+      : require(request);
+  new Function("exports", "module", "require", js)(box.exports, box, localRequire);
+  cache.set(full, box.exports);
+  return box.exports;
+}
+
+const LOGIC = path.join(ROOT, "B05_Profile", "logic");
+const fit = loadTs(path.join(LOGIC, "B05_Profile_RouteEdit_StationFit.ts"));
+const curve = loadTs(path.join(LOGIC, "B05_Profile_UI_RouteEdit_Curve.ts"));
+const frame = loadTs(path.join(LOGIC, "B05_Profile_UI_RouteEdit_Frame.ts"));
+
+const INTERVAL = 20;
+const LIMITS = { minRadiusM: 30, limitRadiusM: 12, limitArcM: 0, intervalM: INTERVAL };
+// 지그재그 노선 — 꺾임 다섯(교각 다양) · 직선 넉넉
+const ROUTE = [
+  [0, 0],
+  [93, 7],
+  [171, 61],
+  [262, 48],
+  [337, 112],
+  [431, 101],
+  [503, 160],
+];
+
+function columns(planned, lock = []) {
+  const n = planned.length;
+  return {
+    planned,
+    curveOn: planned.map(() => true),
+    curveRadius: planned.map(() => null),
+    curveLock: planned.map(() => null),
+    curveArc: planned.map(() => null),
+    apexLock: planned.map((_, i) => i === 0 || i === n - 1 || lock.includes(i)),
+  };
+}
+
+function measure(planned) {
+  const built = curve.buildEditedPolyline(
+    planned,
+    planned.map(() => true),
+    planned.map(() => null),
+    LIMITS.minRadiusM,
+  );
+  const spans = frame.curveSpans(built.vertices, built.curves);
+  const mcs = spans.map(([a, b]) => (a + b) / 2);
+  const total = frame.stationsAlong(built.vertices, INTERVAL, false);
+  const length = built.vertices.reduce(
+    (sum, v, i) =>
+      i ? sum + Math.hypot(v[0] - built.vertices[i - 1][0], v[1] - built.vertices[i - 1][1]) : 0,
+    0,
+  );
+  return {
+    curves: built.curves.length,
+    mcs,
+    residues: mcs.map((mc) => Math.abs(mc - Math.round(mc / INTERVAL) * INTERVAL)),
+    innerStations: total.filter((s) => s > 0 && s < length).length,
+    off: fit.offStationCount(built.vertices, built.curves, INTERVAL),
+  };
+}
+
+const moved = (a, b) => a.map((v, i) => Math.hypot(v[0] - b[i][0], v[1] - b[i][1]));
+
+const before = measure(ROUTE);
+const all = fit.fitCurveStations(columns(ROUTE), LIMITS, 1);
+const locked = fit.fitCurveStations(columns(ROUTE, [3]), LIMITS, 1);
+const fromLater = fit.fitCurveStations(columns(ROUTE), LIMITS, 4);
+const everyLocked = fit.fitCurveStations(columns(ROUTE, [1, 2, 3, 4, 5]), LIMITS, 1);
+
+console.log(
+  JSON.stringify({
+    before,
+    all: { ...measure(all), moved: moved(ROUTE, all) },
+    locked: { ...measure(locked), moved: moved(ROUTE, locked) },
+    fromLater: { ...measure(fromLater), moved: moved(ROUTE, fromLater) },
+    everyLocked: { ...measure(everyLocked), moved: moved(ROUTE, everyLocked) },
+    again: moved(all, fit.fitCurveStations(columns(all), LIMITS, 1)),
+    noInterval: moved(ROUTE, fit.fitCurveStations(columns(ROUTE), { ...LIMITS, intervalM: 0 }, 1)),
+    start: {
+      moved4: fit.fitStart(
+        columns(ROUTE),
+        columns(ROUTE.map((v, i) => (i === 4 ? [v[0] + 1, v[1]] : v))),
+      ),
+      radius2: fit.fitStart(columns(ROUTE), {
+        ...columns(ROUTE),
+        curveRadius: ROUTE.map((_, i) => (i === 2 ? 40 : null)),
+      }),
+      dropLast: fit.fitStart(columns(ROUTE), columns(ROUTE.filter((_, i) => i !== 5))),
+      same: fit.fitStart(columns(ROUTE), columns(ROUTE)),
+      none: fit.fitStart(null, columns(ROUTE)),
+    },
+  }),
+);
diff --git a/resources/tester/test_345_4_recommend_panel.py b/resources/tester/test_345_4_recommend_panel.py
index 341579d3a..20845504b 100644
--- a/resources/tester/test_345_4_recommend_panel.py
+++ b/resources/tester/test_345_4_recommend_panel.py
@@ -46,9 +46,9 @@ def test_적용은_본문_평면에_되돌리기_한_칸():
     assert "apply: (snapshot, message) => restoreSnapshot(snapshot, message, true)," in main
     restore = main[main.index("function restoreSnapshot(") :]
     restore = restore[: restore.index("\n  }\n")]
-    assert "applyEdit(message, record);" in restore
+    assert "applyEdit(message, record, false);" in restore  # 366-3 — 추천 적용은 측점 맞춤 안 함
     apply_edit = main[main.index("function applyEdit(") :]
-    assert "if (record) history?.commit(snapshotNow());" in apply_edit[:600]
+    assert "if (record) history?.commit(snapshotNow());" in apply_edit[:900]
     initial = _read("B05_Profile/B05_Profile_UI_RouteEdit_Initial.ts")
     on_apply = initial[initial.index("onApply: (picked) => {") :]
     assert on_apply[:500].count("params.apply(") == 1
diff --git a/resources/tester/test_366_3_station_fit.py b/resources/tester/test_366_3_station_fit.py
new file mode 100644
index 000000000..d816fcbef
--- /dev/null
+++ b/resources/tester/test_366_3_station_fit.py
@@ -0,0 +1,85 @@
+"""366-3 측점 스냅 = 곡선 가운데(MC)를 일반측점에 — `logic/B05_Profile_RouteEdit_StationFit.ts`
+를 Node(`helper_366_3_station_fit.cjs`)로 돌려 판정 + 편집기 이음(놓을 때 · applyEdit · 켤 때 ·
+되돌리기 · 추천 적용은 안 맞춤 · 상태줄 「측점 밖 곡선 N개」).
+
+    ./venv/Scripts/python.exe -m pytest resources/tester/test_366_3_station_fit.py -q
+"""
+
+import json
+import subprocess
+from pathlib import Path
+
+import pytest
+
+ROOT = Path(__file__).resolve().parents[2]
+B05 = ROOT / "B05_Profile"
+HELPER = Path(__file__).with_name("helper_366_3_station_fit.cjs")
+TOL = 0.05
+
+
+@pytest.fixture(scope="module")
+def got() -> dict:
+    run = subprocess.run(  # noqa: S603 — 고정 실행 파일
+        ["node", str(HELPER)], capture_output=True, text=True, encoding="utf-8", timeout=60
+    )
+    assert run.returncode == 0, run.stderr
+    return json.loads(run.stdout)
+
+
+def test_맞추기_전_곡선은_측점_밖(got) -> None:
+    assert got["before"]["off"] == got["before"]["curves"] == 5
+
+
+def test_MC_는_일반측점_위(got) -> None:
+    fit = got["all"]
+    assert fit["curves"] == 5 and fit["off"] == 0
+    assert max(fit["residues"]) <= TOL
+    stations = [round(mc / 20) for mc in fit["mcs"]]
+    assert all(n >= 1 for n in stations) and len(set(stations)) == len(stations)
+
+
+def test_곡선_수는_측점_수_이하(got) -> None:
+    assert got["all"]["curves"] <= got["all"]["innerStations"]
+
+
+def test_시점_종점_고정_IP_그대로_밀림은_간격_절반_안(got) -> None:
+    for case in ("all", "locked", "fromLater"):
+        moved = got[case]["moved"]
+        assert moved[0] == 0 and moved[-1] == 0
+        assert max(moved) <= 10 + 1e-6
+    assert got["locked"]["moved"][3] == 0
+
+
+def test_못_놓은_곡선은_그대로_개수(got) -> None:
+    assert got["locked"]["off"] == 1  # 고정 IP 곡선 하나만 밖 · 나머지는 맞춤
+    assert got["everyLocked"]["off"] == 5 and max(got["everyLocked"]["moved"]) == 0
+
+
+def test_고친_자리부터만(got) -> None:
+    moved = got["fromLater"]["moved"]
+    assert moved[1:4] == [0, 0, 0] and moved[4] > 0
+    assert got["fromLater"]["residues"][3:] == pytest.approx([0, 0], abs=TOL)
+
+
+def test_맞춘_선은_다시_맞춰도_그대로_간격_0_은_안_맞춤(got) -> None:
+    assert max(got["again"]) == 0 and max(got["noInterval"]) == 0
+
+
+def test_시작_자리는_고친_꺾임점_앞(got) -> None:
+    start = got["start"]
+    assert start["moved4"] == 3 and start["radius2"] == 1
+    assert start["dropLast"] == 4  # 지운 마지막 꺾임점 → 새 끝 앞 곡선부터
+    assert start["same"] == 1 and start["none"] == 1
+
+
+def test_편집기_이음() -> None:
+    edit = (B05 / "B05_Profile_UI_RouteEdit.ts").read_text("utf-8")
+    assert "fitCurveStations(" in edit
+    # 되돌리기 · 추천 [적용] · 초안 되살림이 지나는 restoreSnapshot 은 안 맞춤
+    at = edit.index("function restoreSnapshot(")
+    assert "applyEdit(message, record, false);" in edit[at : at + 700]
+    assert len(edit.splitlines()) <= 700
+    edits = (B05 / "logic" / "B05_Profile_UI_RouteEdit_Edits.ts").read_text("utf-8")
+    assert "측점 밖 곡선 " in edits
+    chrome = (B05 / "B05_Profile_UI_RouteEdit_Chrome.ts").read_text("utf-8")
+    assert "곡선 가운데(MC)를 가까운 일반측점에" in chrome