diff --git a/A00_Common/device_context.ts b/A00_Common/device_context.ts
index 4ea4e6d42..cf07adf04 100644
--- a/A00_Common/device_context.ts
+++ b/A00_Common/device_context.ts
@@ -51,12 +51,14 @@ export function readTouchMode(): TouchMode {
   }
 }
 
-const coarseQuery = window.matchMedia("(pointer: coarse)");
+// window 없는 곳(서버 Node 묶음) = 건너뜀
+const hasWindow = typeof window !== "undefined";
+const coarseQuery = hasWindow ? window.matchMedia("(pointer: coarse)") : null;
 let current: DeviceContext | null = null;
 let lastInput = "";
 
 function read(): DeviceContext {
-  const pointer = coarseQuery.matches ? "coarse" : "fine";
+  const pointer = coarseQuery?.matches ? "coarse" : "fine";
   const touchMode = readTouchMode();
   const touch = touchMode === "on" || (touchMode === "auto" && pointer === "coarse");
   return {
@@ -105,7 +107,7 @@ function init(): void {
   for (const [name, px] of Object.entries(SIZE_BREAKS))
     html.style.setProperty(`--bp-${name}`, `${px}px`);
   apply();
-  coarseQuery.addEventListener("change", apply);
+  coarseQuery?.addEventListener("change", apply);
   window.addEventListener("resize", apply);
   window.visualViewport?.addEventListener("resize", apply);
   screen.orientation?.addEventListener("change", apply);
@@ -120,4 +122,4 @@ function init(): void {
   );
 }
 
-init();
+if (hasWindow) init();
diff --git a/resources/tester/test_254_1_b08_milestone_bases.py b/resources/tester/test_254_1_b08_milestone_bases.py
index 5cccd62e7..2eb6d6c66 100644
--- a/resources/tester/test_254_1_b08_milestone_bases.py
+++ b/resources/tester/test_254_1_b08_milestone_bases.py
@@ -205,7 +205,8 @@ def test_화면_기준점_여럿_등록_삭제():
     state = _read(B08 + "UI_Milestone_State.ts")
     assert "migrateMilestone(" in state and "bases: []," in state
     page = _read(B08 + "UI_Milestone.ts")
-    assert "data.bases.length > 0" in page and 'to: "site",' in page
+    assert 'to: "site",' in page
+    assert "data.bases.length > 0" in _read(B08 + "Milestone_Table.ts")  # 302-3 표로 옮김
     for name in ("Milestone_Calc.ts", "Milestone_Layout.ts", "UI_Milestone_Diagram.ts",
                  "UI_Milestone_Modal.ts", "UI_Milestone_State.ts", "UI_Milestone_LegModal.ts",
                  "UI_Milestone_Route.ts", "UI_Milestone.ts"):  # fmt: skip
diff --git a/resources/tester/test_52_6_cross_underdrain.py b/resources/tester/test_52_6_cross_underdrain.py
index b8146e009..6e5a15584 100644
--- a/resources/tester/test_52_6_cross_underdrain.py
+++ b/resources/tester/test_52_6_cross_underdrain.py
@@ -36,13 +36,8 @@ def test_컨테이너_맹암거_높이_경사_손_입력():
         ("culvert_slope_pct", "암거 경사", "%"),
     ):
         o = opts[key]
-        assert (o.label, o.input, o.unit, o.default, o.required) == (
-            label,
-            "number",
-            unit,
-            None,
-            False,
-        )
+        # 기본값 = 마스터 사용자 편집 몫 — 실제 값에 기대지 않음
+        assert (o.label, o.input, o.unit, o.required) == (label, "number", unit, False)
         assert o.empty_means  # 손 입력 · 기본값 근거 없음 — 비워 둘 수 있음(B05 단계 필수 금지)
     groups = load_definition()["그룹"][KEY]
     assert groups == [