diff --git a/M02_MasterTemplete/M02_MasterTemplete_Labor_Combo.ts b/M02_MasterTemplete/M02_MasterTemplete_Labor_Combo.ts
index 3aeb99b34..0d661fd49 100644
--- a/M02_MasterTemplete/M02_MasterTemplete_Labor_Combo.ts
+++ b/M02_MasterTemplete/M02_MasterTemplete_Labor_Combo.ts
@@ -29,7 +29,10 @@ import {
   buildLaborDiagram,
   diagramTitle,
   renderComboDiagram,
+  type DiagramLogic,
+  type DiagramOut,
 } from "./M02_MasterTemplete_Labor_Diagram";
+import { lineId } from "./M02_MasterTemplete_Labor_Calc";
 import { openQtyModal } from "./M02_MasterTemplete_Labor_QtyModal";
 import { qtyShort } from "./M02_MasterTemplete_Labor_Rows";
 import { tc } from "./M02_MasterTemplete_Labor_Text";
@@ -155,6 +158,26 @@ export function createCombo(opt: ComboOptions): Combo {
   };
 }
 
+/** 참조 줄 카드(811-1 · 단가산출 = SK 참조 한 행) — 이름 · 값 = 셈 답 · 넣을 값 없음 · 누름 = 그 줄 모달 */
+function refCards(doc: LaborDoc, calc: LaborCalc | null): DiagramLogic[] {
+  return doc.담은로직.flatMap((r) => {
+    if (!r.참조) return [];
+    const line = calc?.줄.find((l) => lineId(l) === lineId(r));
+    const money = line?.반영 ?? line?.기준;
+    const out: DiagramOut = line?.까닭 ? { 멈춤: line.까닭 } : money ? { ...money } : null;
+    return [
+      {
+        key: r.참조.키, // 같은 참조 두 번 금지 = 줄 하나
+        name: r.별칭 || line?.이름 || r.참조.키,
+        unit: line?.분모 ?? "",
+        inputs: [],
+        out,
+        ...(money ? { basis: line?.반영 ? "반영" : "기준" } : {}),
+      },
+    ];
+  });
+}
+
 /** 다이어그램 상자(열 상세) — `draw` 를 표가 다시 그릴 때마다 부름 */
 export function diagramBox(): {
   root: HTMLElement;
@@ -179,18 +202,22 @@ export function diagramBox(): {
       again = () => {
         if (!root.open) return;
         const data = buildLaborDiagram({
-          rows: doc.담은로직.filter((r) => !r.참조), // ponytail: 참조 줄은 다이어그램에 안 그림 — 그릴 때 카드 꼴 더함
+          rows: doc.담은로직.filter((r) => !r.참조),
           logics: [...logics.values()],
           calc,
           mats: doc.자재.length,
         });
+        const at = data.logics.findIndex((l) => l.material);
+        data.logics.splice(at < 0 ? data.logics.length : at, 0, ...refCards(doc, calc));
         renderComboDiagram(host, data, {
           focusInput: (key) => {
             const i = doc.담은로직.findIndex((r) => r.로직 === key);
             if (i >= 0) focus(i);
           },
-          // 로직 카드 → 단가산출 로직 화면(떠날 때 물음은 UI_Main 의 leave guard)
+          // 로직 카드 → 단가산출 로직 화면(떠날 때 물음은 UI_Main 의 leave guard) · 참조 카드(811-1) = 그 줄 모달
           openLogic: (key) => {
+            const ref = doc.담은로직.findIndex((r) => r.참조?.키 === key);
+            if (ref >= 0) return focus(ref);
             setPendingLogicKey(key);
             navigateTo(ROUTES.M01_MASTER_DATA);
           },
diff --git a/M02_MasterTemplete/M02_MasterTemplete_Labor_SkPick.ts b/M02_MasterTemplete/M02_MasterTemplete_Labor_SkPick.ts
index 506ee436a..83434c33f 100644
--- a/M02_MasterTemplete/M02_MasterTemplete_Labor_SkPick.ts
+++ b/M02_MasterTemplete/M02_MasterTemplete_Labor_SkPick.ts
@@ -6,6 +6,7 @@
  *  · 답 = 넣을 참조 {층, 주인, 키} · 취소 = null(일위대가 문서는 화면 [저장] 때 바뀜)
  * ========================================================================== */
 
+import { fetchSessionUser } from "../A06_Login/A06_Login_Api_Fetch";
 import { call, newLibrary, type Layer } from "./M02_MasterTemplete_Api_Fetch";
 import type { LaborRef } from "./M02_MasterTemplete_Labor_Calc";
 import { withSameAsk } from "./M02_MasterTemplete_Library_SameAsk";
@@ -29,15 +30,19 @@ export const skFromLogic = async (s: SkPickScope, code: string): Promise<LaborRe
     )
   )?.참조 ?? null;
 
+/** 이 층 주인 — 주인 null = 로그인 사용자 자기 층(회사 「C」 · 개인 「C/U」 · 서버 참조 꼴) */
+async function ownerOf(s: SkPickScope): Promise<string | null> {
+  if (s.layer === "system" || s.owner) return s.layer === "system" ? null : s.owner;
+  const me = await fetchSessionUser();
+  if (!me) throw new Error("로그인이 끊김");
+  return s.layer === "company" ? String(me.company_id) : `${me.company_id}/${me.id}`;
+}
+
 /** 고른 SK — 이 층 것이면 그대로 · 다른 층이면 이 층 사본 */
 export async function ownSk(s: SkPickScope, ref: LaborRef): Promise<LaborRef> {
-  const owner = s.layer === "system" ? null : s.owner;
+  const owner = await ownerOf(s);
   if (ref.층 === s.layer && (ref.주인 ?? null) === owner) return ref;
-  const got = await newLibrary(
-    s.layer,
-    "sangeun",
-    { 본뜬: { ...ref, 층: ref.층 as Layer } },
-    owner,
-  );
+  const 본뜬 = { ...ref, 층: ref.층 as Layer };
+  const got = await newLibrary(s.layer, "sangeun", { 본뜬 }, s.owner);
   return { 층: s.layer, 주인: owner, 키: got.이름 };
 }
diff --git a/docs/raw/요구_1104/_목록_811-1_일위대가참조.xlsx b/docs/raw/요구_1104/_목록_811-1_일위대가참조.xlsx
new file mode 100644
index 000000000..822572ec7
Binary files /dev/null and b/docs/raw/요구_1104/_목록_811-1_일위대가참조.xlsx differ
diff --git a/resources/tester/test_811_1_labor_ref.py b/resources/tester/test_811_1_labor_ref.py
index fd8505b7c..a47daaf93 100644
--- a/resources/tester/test_811_1_labor_ref.py
+++ b/resources/tester/test_811_1_labor_ref.py
@@ -190,7 +190,12 @@ def test_화면_줄_넣기_SK_사본_참조_부품():
     assert "return void skFromLogic(own, x.키).then(" in table  # M01 기초 = SK 사본
     assert "own && isSkRef(ref)" in table and "void ownSk(own, ref)" in table  # 다른 층 = 사본
     assert "if (isSkRef(row.참조) && !opt.calc)" in table  # 줄 누름 = SK 수식 모달
-    assert "/sangeun/from-logic" in pick and "본뜬:" in pick and "withSameAsk(" in pick
+    assert "/sangeun/from-logic" in pick and "{ 본뜬 }" in pick and "withSameAsk(" in pick
+    assert (
+        "fetchSessionUser()" in pick
+    )  # 주인 null = 자기 층 → 서버 참조 꼴(같은 층 SK 를 사본으로 안 만듦)
+    combo = _src("M02_MasterTemplete_Labor_Combo.ts")
+    assert "...refCards(doc, calc)" in combo and "key: r.참조.키," in combo  # 다이어그램 참조 카드
     for text in (table, pick):
         assert len(text.splitlines()) <= 700
         assert not re.search(r"""\bel\(\s*["'](button|input|select)["']""", text)