diff --git a/resources/tester/helper_150_detail_pick.cjs b/resources/tester/helper_150_detail_pick.cjs
index b6ed3c7af..ab212774b 100644
--- a/resources/tester/helper_150_detail_pick.cjs
+++ b/resources/tester/helper_150_detail_pick.cjs
@@ -29,7 +29,7 @@ function loadTs(full) {
 }
 const pick = loadTs(path.join(ROOT, "B06_Section", "B06_Section_UI_Cross_Detail_Pick.ts"));
 
-// ── 그림 복제 흉내 — 평평한 요소 목록 · 「tag.class」 · 「.class」 · 「g.class line」 만 ──
+// ── 그림 복제 흉내 — 평평한 요소 목록 · 「tag.class」 · 「.class」 · 「g.class line」 · 「:not(.class)」 만 ──
 function node(tag, classes, attrs = {}, parent = null) {
   const set = new Set(classes);
   return {
@@ -45,8 +45,11 @@ function node(tag, classes, attrs = {}, parent = null) {
   };
 }
 const one = (el, part) => {
-  const [tag, ...cls] = part.split(".");
-  return (!tag || el.tag === tag) && cls.every((c) => el.set.has(c));
+  const nots = [...part.matchAll(/:not\(\.([\w-]+)\)/g)].map((m) => m[1]); // 370-3 암 판정 선 뺌
+  const [tag, ...cls] = part.replace(/:not\([^)]*\)/g, "").split(".");
+  return (
+    (!tag || el.tag === tag) && cls.every((c) => el.set.has(c)) && !nots.some((c) => el.set.has(c))
+  );
 };
 const matches = (el, selector) => {
   const parts = selector.split(" ");
diff --git a/resources/tester/test_294_1_chute_remove_pick.py b/resources/tester/test_294_1_chute_remove_pick.py
index d13c77ab5..666640881 100644
--- a/resources/tester/test_294_1_chute_remove_pick.py
+++ b/resources/tester/test_294_1_chute_remove_pick.py
@@ -65,4 +65,9 @@ def test_형상_고름_길_그대로():
     view = (ROOT / "B06_Section" / "B06_Section_UI_Cross_View.ts").read_text(encoding="utf-8")
     # 물넘이 콘크리트 · 맹암거 형상 누름 = 관 지점 고름 키 "pipe"(287-5) · 다시 누름 = 풂(toggle)
     assert 'shapePickRoute(svg, (at) => toggleRevet("pipe", at))' in view
-    assert 'setShapeActive(key === "pipe");' in view
+    # 형상 켬 = 키 "pipe" 이고 형상을 직접 누른 고름(307 — `splitPipePick` 로 옮김)
+    assert "splitPipePick(setRevetActive, setShapeActive, shapePicked)" in view
+    shape = (ROOT / "B06_Section" / "B06_Section_UI_Cross_Shape_Pick.ts").read_text(
+        encoding="utf-8"
+    )
+    assert 'const shape = key === "pipe" && concrete();' in shape