diff --git a/A00_Common/design/design_pipeline_cross.ts b/A00_Common/design/design_pipeline_cross.ts
index 0cd2ea14b..4ef809138 100644
--- a/A00_Common/design/design_pipeline_cross.ts
+++ b/A00_Common/design/design_pipeline_cross.ts
@@ -12,7 +12,10 @@
  * ========================================================================== */
 
 import type { CrossSection, SectionDetailResponse } from "../../B06_Section/B06_Section_Api_Fetch";
-import { effectiveStandardCross } from "../../B06_Section/B06_Section_UI_Standard_Panel";
+import {
+  effectiveStandardCross,
+  readRockBoundaryDefault,
+} from "../../B06_Section/B06_Section_UI_Standard_Panel";
 import type { CrossInput, SectionSpecs } from "../../B05_Profile/logic/B05_Profile_Pipeline_Detail";
 import type { PipelineStation } from "./logic/design_pipeline_types";
 
@@ -91,5 +94,9 @@ export function pipelineCrossSource(
     for (const name of SPEC_KEYS) if (section[name] !== undefined) own[name] = section[name];
     specs.set(best.key, own as SectionSpecs);
   }
-  return { input: { standard, byKey }, specs };
+  return {
+    // 암 경계 기본값 = 서버 config(화면이 문맥에서 기억) — 입력 없는 측점(초안 새 측점)도 서버처럼(349-0p)
+    input: { standard, byKey, rockBoundaryDefaultM: readRockBoundaryDefault(projectId) },
+    specs,
+  };
 }
diff --git a/resources/tester/helper_346_1_pipeline_page.cjs b/resources/tester/helper_346_1_pipeline_page.cjs
index 9fb09f6a0..7f177fc8b 100644
--- a/resources/tester/helper_346_1_pipeline_page.cjs
+++ b/resources/tester/helper_346_1_pipeline_page.cjs
@@ -73,7 +73,10 @@ STUBS["B05_Profile_Api_TerrainGrid"] = {
 };
 // 346-2 붙임 뒤 창구(관 목록 · 표준단면 · 흙 배분) — 이 시험은 노선 · 종단만 봄
 STUBS["B04_PreProcess_Api_Fetch"] = { fetchDetailPipePoints: async () => ({ pipe_points: [] }) };
-STUBS["B06_Section_UI_Standard_Panel"] = { effectiveStandardCross: () => null };
+STUBS["B06_Section_UI_Standard_Panel"] = {
+  effectiveStandardCross: () => null,
+  readRockBoundaryDefault: () => -0.5,
+};
 STUBS["B05_Profile_Api_HaulPlan"] = { createHaulStage: () => async () => null };
 
 const pipeMod = load("A00_Common", "design", "logic", "design_pipeline.ts");
diff --git a/resources/tester/helper_346_2_pipeline_cross_page.cjs b/resources/tester/helper_346_2_pipeline_cross_page.cjs
index 0c5bc551e..9699139ba 100644
--- a/resources/tester/helper_346_2_pipeline_cross_page.cjs
+++ b/resources/tester/helper_346_2_pipeline_cross_page.cjs
@@ -98,7 +98,10 @@ STUBS["B04_PreProcess_Api_Fetch"] = {
     pipe_points: job.pipes.map((pipe) => ({ ...pipe, lonlat: [0, 0] })),
   }),
 };
-STUBS["B06_Section_UI_Standard_Panel"] = { effectiveStandardCross: () => job.standard };
+STUBS["B06_Section_UI_Standard_Panel"] = {
+  effectiveStandardCross: () => job.standard,
+  readRockBoundaryDefault: () => -0.5,
+};
 
 const pipeMod = load("A00_Common", "design", "logic", "design_pipeline.ts");
 const pageMod = load("A00_Common", "design", "design_pipeline_page.ts");
diff --git a/resources/tester/helper_349_0d_follow_store.cjs b/resources/tester/helper_349_0d_follow_store.cjs
index e850be837..59c345d2c 100644
--- a/resources/tester/helper_349_0d_follow_store.cjs
+++ b/resources/tester/helper_349_0d_follow_store.cjs
@@ -95,7 +95,10 @@ STUBS["B04_PreProcess_Api_Fetch"] = {
     pipe_points: job.pipes.map((pipe) => ({ ...pipe, lonlat: [0, 0] })),
   }),
 };
-STUBS["B06_Section_UI_Standard_Panel"] = { effectiveStandardCross: () => job.standard };
+STUBS["B06_Section_UI_Standard_Panel"] = {
+  effectiveStandardCross: () => job.standard,
+  readRockBoundaryDefault: () => -0.5,
+};
 
 const pageMod = load("A00_Common", "design", "design_pipeline_page.ts");
 const storeMod = load("A00_Common", "design", "design_store.ts");
diff --git a/resources/tester/helper_349_0f_draft_stale.cjs b/resources/tester/helper_349_0f_draft_stale.cjs
index ac6197ebe..312e6fa0b 100644
--- a/resources/tester/helper_349_0f_draft_stale.cjs
+++ b/resources/tester/helper_349_0f_draft_stale.cjs
@@ -98,7 +98,10 @@ STUBS["B04_PreProcess_Api_Fetch"] = {
     pipe_points: job.pipes.map((pipe) => ({ ...pipe, lonlat: [0, 0] })),
   }),
 };
-STUBS["B06_Section_UI_Standard_Panel"] = { effectiveStandardCross: () => job.standard };
+STUBS["B06_Section_UI_Standard_Panel"] = {
+  effectiveStandardCross: () => job.standard,
+  readRockBoundaryDefault: () => -0.5,
+};
 STUBS["B06_Section_Cross_Refresh"] = {
   holdScreenAlignment: () => () => undefined,
   refreshCrossDesigns: async () => [],
diff --git a/resources/tester/helper_349_0g_draft_b06_loop.cjs b/resources/tester/helper_349_0g_draft_b06_loop.cjs
index f077f72bf..c5f3a20be 100644
--- a/resources/tester/helper_349_0g_draft_b06_loop.cjs
+++ b/resources/tester/helper_349_0g_draft_b06_loop.cjs
@@ -96,7 +96,10 @@ STUBS["B04_PreProcess_Api_Fetch"] = {
     pipe_points: job.pipes.map((pipe) => ({ ...pipe, lonlat: [0, 0] })),
   }),
 };
-STUBS["B06_Section_UI_Standard_Panel"] = { effectiveStandardCross: () => job.standard };
+STUBS["B06_Section_UI_Standard_Panel"] = {
+  effectiveStandardCross: () => job.standard,
+  readRockBoundaryDefault: () => -0.5,
+};
 
 const pageMod = load("A00_Common", "design", "design_pipeline_page.ts");
 const storeMod = load("A00_Common", "design", "design_store.ts");
diff --git a/resources/tester/helper_349_0j_draft_vs_saved.cjs b/resources/tester/helper_349_0j_draft_vs_saved.cjs
index f1b6f6eec..7880ccf0f 100644
--- a/resources/tester/helper_349_0j_draft_vs_saved.cjs
+++ b/resources/tester/helper_349_0j_draft_vs_saved.cjs
@@ -98,7 +98,10 @@ STUBS["B04_PreProcess_Api_Fetch"] = {
     pipe_points: job.pipes.map((pipe) => ({ ...pipe, lonlat: [0, 0] })),
   }),
 };
-STUBS["B06_Section_UI_Standard_Panel"] = { effectiveStandardCross: () => job.standard };
+STUBS["B06_Section_UI_Standard_Panel"] = {
+  effectiveStandardCross: () => job.standard,
+  readRockBoundaryDefault: () => -0.5,
+};
 STUBS["B06_Section_Cross_Refresh"] = {
   holdScreenAlignment: () => () => undefined,
   refreshCrossDesigns: async () => [],
diff --git a/resources/tester/helper_349_0k_undo_saved.cjs b/resources/tester/helper_349_0k_undo_saved.cjs
index 9ab428160..77ee1981b 100644
--- a/resources/tester/helper_349_0k_undo_saved.cjs
+++ b/resources/tester/helper_349_0k_undo_saved.cjs
@@ -101,7 +101,10 @@ STUBS["B04_PreProcess_Api_Fetch"] = {
     pipe_points: job.pipes.map((pipe) => ({ ...pipe, lonlat: [0, 0] })),
   }),
 };
-STUBS["B06_Section_UI_Standard_Panel"] = { effectiveStandardCross: () => job.standard };
+STUBS["B06_Section_UI_Standard_Panel"] = {
+  effectiveStandardCross: () => job.standard,
+  readRockBoundaryDefault: () => -0.5,
+};
 
 // 구조물 초안 얹기(측점 계획 · 형상) — 이 시험 밖 · 아무 일 없음
 STUBS["B06_Section_Section_Drafts"] = {
diff --git a/resources/tester/helper_349_0l_undo_draw.cjs b/resources/tester/helper_349_0l_undo_draw.cjs
index d8b3ba90e..39fac1a00 100644
--- a/resources/tester/helper_349_0l_undo_draw.cjs
+++ b/resources/tester/helper_349_0l_undo_draw.cjs
@@ -135,7 +135,10 @@ STUBS["B04_PreProcess_Api_Fetch"] = {
     pipe_points: job.pipes.map((pipe) => ({ ...pipe, lonlat: [0, 0] })),
   }),
 };
-STUBS["B06_Section_UI_Standard_Panel"] = { effectiveStandardCross: () => job.standard };
+STUBS["B06_Section_UI_Standard_Panel"] = {
+  effectiveStandardCross: () => job.standard,
+  readRockBoundaryDefault: () => -0.5,
+};
 // 구조물 초안 얹기(측점 계획 · 형상) — 이 시험 밖 · 아무 일 없음
 STUBS["B06_Section_Section_Drafts"] = {
   withDraftStations: async () => undefined,
diff --git a/resources/tester/helper_349_0o_redo_same.cjs b/resources/tester/helper_349_0o_redo_same.cjs
index 8c5ae5c85..36b51e087 100644
--- a/resources/tester/helper_349_0o_redo_same.cjs
+++ b/resources/tester/helper_349_0o_redo_same.cjs
@@ -135,7 +135,10 @@ STUBS["B04_PreProcess_Api_Fetch"] = {
     pipe_points: job.pipes.map((pipe) => ({ ...pipe, lonlat: [0, 0] })),
   }),
 };
-STUBS["B06_Section_UI_Standard_Panel"] = { effectiveStandardCross: () => job.standard };
+STUBS["B06_Section_UI_Standard_Panel"] = {
+  effectiveStandardCross: () => job.standard,
+  readRockBoundaryDefault: () => -0.5,
+};
 // 구조물 초안 얹기(측점 계획 · 형상) — 이 시험 밖 · 아무 일 없음
 STUBS["B06_Section_Section_Drafts"] = {
   withDraftStations: async () => undefined,
diff --git a/resources/tester/helper_349_pipeline_once.cjs b/resources/tester/helper_349_pipeline_once.cjs
index 88d747be7..868ab78be 100644
--- a/resources/tester/helper_349_pipeline_once.cjs
+++ b/resources/tester/helper_349_pipeline_once.cjs
@@ -96,7 +96,10 @@ STUBS["B04_PreProcess_Api_Fetch"] = {
     pipe_points: job.pipes.map((pipe) => ({ ...pipe, lonlat: [0, 0] })),
   }),
 };
-STUBS["B06_Section_UI_Standard_Panel"] = { effectiveStandardCross: () => job.standard };
+STUBS["B06_Section_UI_Standard_Panel"] = {
+  effectiveStandardCross: () => job.standard,
+  readRockBoundaryDefault: () => -0.5,
+};
 
 const pageMod = load("A00_Common", "design", "design_pipeline_page.ts");
 const storeMod = load("A00_Common", "design", "design_store.ts");