diff --git a/M02_MasterTemplete/M02_MasterTemplete_Sangeun_Detail.ts b/M02_MasterTemplete/M02_MasterTemplete_Sangeun_Detail.ts
index c9cb1e618..04549c6a8 100644
--- a/M02_MasterTemplete/M02_MasterTemplete_Sangeun_Detail.ts
+++ b/M02_MasterTemplete/M02_MasterTemplete_Sangeun_Detail.ts
@@ -38,6 +38,7 @@ import type { Layer } from "./M02_MasterTemplete_Api_Fetch";
 import { baseHeads } from "./M02_MasterTemplete_Sangeun_BaseHead";
 import { calcSangeun, removedStrip } from "./M02_MasterTemplete_Sangeun_Cover";
 import { openSangeunLinePicker } from "./M02_MasterTemplete_Sangeun_Pick";
+import { createSangeunSide, tabOf, type SourceTab } from "./M02_MasterTemplete_Sangeun_Side";
 import { baseUnitOf, buildUnitSwap, type SwapHow } from "./M02_MasterTemplete_Sangeun_Unit";
 import {
   dropBase,
@@ -63,6 +64,8 @@ export interface SangeunDetailOptions {
   owner: string | null;
   readOnly: boolean;
   onChanged: (dirty: boolean) => void;
+  /** 752-1 오른쪽 원문 패널 — 단가산출 화면만 켬(일위대가 줄 모달 안 상세는 끔) */
+  source?: boolean;
 }
 
 const LIB = { read: "/m02/logic-lib", calc: "/m02/logic-lib" };
@@ -90,6 +93,9 @@ export function mountSangeunDetail(
   let fail = "";
   let extra: LogicInput[] = []; // 더한줄 로직 입력 중 바탕에 없는 것 = 옵션 칸(725-6 · 727-3)
   const inputsOf = new Map<string, LogicInput[]>();
+  const infoOf = new Map<string, SourceTab>(); // 더한줄 로직 → 원문 탭(752-1)
+  let extraKeys: string[] = [];
+  const side = opt.source ? createSangeunSide() : null;
   let seq = 0;
   let alive = true;
 
@@ -141,19 +147,17 @@ export function mountSangeunDetail(
     touch(false);
     void loadBase(true);
   }
-  const baseHint = createText(L("M02_SangeunBaseViews"));
-  host.replaceChildren(
-    el("div", {
-      className: "m02-sk",
-      attrs: { "data-sangeun-detail": doc.키 ?? "" },
-      children: [
-        head,
-        notes,
-        el("div", { className: "m02-sk__head", children: [views.root, addButton, baseHint] }),
-        editor,
-      ],
-    }),
-  );
+  const main = el("div", {
+    className: "m02-sk",
+    attrs: { "data-sangeun-detail": doc.키 ?? "" },
+    children: [
+      head,
+      notes,
+      el("div", { className: "m02-sk__head", children: [views.root, addButton] }),
+      editor,
+    ],
+  });
+  host.replaceChildren(side ? side.wrap(main) : main);
 
   const opened = (): boolean => (doc.열린입력 ?? []).length > 0;
   // 바탕 없는 SK 의 지문 = 이름 · 단위 따라 바뀜 — 바탕이 있을 때만 M01 개정으로 봄(725-3) · 둘째 기초 지문(727-2)
@@ -185,11 +189,15 @@ export function mountSangeunDetail(
         .filter((k) => !inputsOf.has(k))
         .map((k) =>
           fetchLogic(k).then(
-            (r) => void inputsOf.set(k, r.logic.입력 ?? []),
+            (r) => {
+              inputsOf.set(k, r.logic.입력 ?? []);
+              infoOf.set(k, tabOf(r.logic));
+            },
             () => void inputsOf.set(k, []),
           ),
         ),
     );
+    extraKeys = keys;
     const seen = new Set<string>((base?.logic.입력 ?? []).map((i) => i.이름));
     extra = keys
       .flatMap((k) => inputsOf.get(k) ?? [])
@@ -306,7 +314,6 @@ export function mountSangeunDetail(
     if (!alive) return;
     drawHead();
     drawNotes();
-    baseHint.hidden = !base;
     const rows = ans ? rowsOf(ans, bare, doc) : [];
     const names = new Map((bare ? rowsOf(bare, null, {}) : []).map((r) => [r.cid, r.이름]));
     const removed = [
@@ -382,6 +389,10 @@ export function mountSangeunDetail(
       cover: { ho, est, open: lineOpener(hoCtx) }, // 748-2 텍스트 수식 변수 · 값 누름 = 같은 줄 모달
     });
     drawCalc();
+    side?.set([
+      ...(base ? [tabOf(base.logic)] : []),
+      ...extraKeys.flatMap((k) => (k === baseKey() ? [] : infoOf.has(k) ? [infoOf.get(k)!] : [])),
+    ]);
   }
 
   /** 재료 고름(줄 모달 · 시험 계산 재료 칸) = SK 문서 `고름`(cid → MT) — 둘째 기초 세부 줄은 보기만 */
diff --git a/M02_MasterTemplete/M02_MasterTemplete_Sangeun_Side.ts b/M02_MasterTemplete/M02_MasterTemplete_Sangeun_Side.ts
new file mode 100644
index 000000000..f75ee3381
--- /dev/null
+++ b/M02_MasterTemplete/M02_MasterTemplete_Sangeun_Side.ts
@@ -0,0 +1,83 @@
+/* =============================================================================
+ * M02_MasterTemplete_Sangeun_Side.ts
+ * 단가산출(SK) 상세 오른쪽 원문 패널(PLAN 752-1 · 요구 588-3) — 일위대가 상세(47-4 · 85-4)와 같은 부품:
+ *   오른쪽 서랍(`createSidePanels`) + 원문 보기(`createSourceView` · M02 로그인 길 `/m02/logic-lib/source`)
+ *   기초마다 탭 — 바탕 로직 · 둘째 기초(더한줄 로직) 각각의 출처 · 기초가 하나면 탭 없음 · 없으면 안내
+ *   처음 = 넓은 화면만 열림(좁으면 세로 띠로 접힘) · 열림 · 폭 기억 = `m02-sangeun-side`
+ * 일위대가 줄 모달 안 상세는 안 만듦(부르는 쪽이 `source` 를 안 켬).
+ * ========================================================================== */
+
+import { createSegment } from "@ui/ui_template_segment";
+import { el } from "@ui/ui_template_elements";
+import { t as L } from "@ui/ui_template_locale";
+import { createSidePanels } from "@ui/ui_template_side_panels";
+import { createText } from "@ui/ui_template_text";
+import { createSourceView } from "../M01_MasterData/M01_MasterData_UI_LogicLab_Source";
+import { tc } from "./M02_MasterTemplete_Labor_Text";
+
+export interface SourceTab {
+  label: string;
+  src: string;
+}
+
+/** 기초 로직 → 원문 탭(「원문번호 이름」 · 출처 글) */
+export const tabOf = (logic: {
+  키: string;
+  원문번호?: string;
+  이름: string;
+  출처?: string;
+}): SourceTab => ({
+  label: `${logic.원문번호 || logic.키} ${logic.이름}`,
+  src: logic.출처 ?? "",
+});
+
+/** 이 폭 이상일 때만 처음부터 열림 — 상세 표 여섯 칸이 좁아지지 않게 */
+const OPEN_FROM = 1500;
+
+export function createSangeunSide(): {
+  wrap: (main: HTMLElement) => HTMLElement;
+  set: (tabs: SourceTab[]) => void;
+} {
+  const view = createSourceView({
+    path: "/m02/logic-lib/source",
+    pdf: "/m02/logic-lib/source-pdf",
+  });
+  const host = el("div", { attrs: { "data-sangeun-source": "" } });
+  let tabs: SourceTab[] = [];
+  let at = 0;
+  const side = createSidePanels({
+    prefKey: "m02-sangeun-side",
+    follow: false, // 일위대가와 같음 — 상세 고정 높이 칸을 채움 · 본문과 따로 스크롤
+    defaultOpen: window.innerWidth >= OPEN_FROM ? "source" : null,
+    panels: [{ id: "source", title: tc("Labor_Source"), body: host }],
+    onChange: () => paint(),
+  });
+  function paint(): void {
+    if (side.current() !== "source") return; // 접힘 = 찾지 않음
+    if (!tabs.length)
+      return void host.replaceChildren(createText(L("M02_SangeunSourceNone"), "muted"));
+    at = Math.min(at, tabs.length - 1);
+    view.show(tabs[at].src);
+    const bar =
+      tabs.length > 1
+        ? [
+            createSegment({
+              options: tabs.map((x, i) => ({ value: String(i), label: x.label })),
+              value: String(at),
+              size: 28,
+              ariaLabel: tc("Labor_Source"),
+              onChange: (v) => ((at = Number(v)), paint()),
+            }).root,
+          ]
+        : [];
+    host.replaceChildren(...bar, view.root);
+  }
+  return {
+    wrap: (main) => el("div", { className: "ui-side-panels-row", children: [main, side.root] }),
+    set: (next) => {
+      if (JSON.stringify(next) === JSON.stringify(tabs)) return;
+      tabs = next;
+      paint();
+    },
+  };
+}
diff --git a/M02_MasterTemplete/M02_MasterTemplete_Sangeun_View.ts b/M02_MasterTemplete/M02_MasterTemplete_Sangeun_View.ts
index e31ca48ec..4a3b91584 100644
--- a/M02_MasterTemplete/M02_MasterTemplete_Sangeun_View.ts
+++ b/M02_MasterTemplete/M02_MasterTemplete_Sangeun_View.ts
@@ -18,5 +18,5 @@ export function mountSangeunView(
   doc: unknown,
   opt: SangeunViewOptions,
 ): { getDoc: () => unknown; destroy: () => void } {
-  return mountSangeunDetail(host, doc, { ...opt, owner: opt.owner ?? null });
+  return mountSangeunDetail(host, doc, { ...opt, owner: opt.owner ?? null, source: true }); // 752-1
 }
diff --git a/resources/tester/test_721_find_pick.py b/resources/tester/test_721_find_pick.py
index b81649914..d13084ff0 100644
--- a/resources/tester/test_721_find_pick.py
+++ b/resources/tester/test_721_find_pick.py
@@ -26,7 +26,7 @@ def _text(path: Path) -> str:
 
 def test_721_1_단추_이름과_자리():
     detail = _text(M02 / "M02_MasterTemplete_Sangeun_Detail.ts")
-    assert "children: [views.root, addButton, baseHint]" in detail
+    assert "children: [views.root, addButton]" in detail  # 750-2 「시험 계산 = 바탕」 안내 걷음
     assert "M02_SangeunPickBase" not in detail  # 727-2 단추 걷음
     locale = _text(ROOT / "ui_template" / "ui_template_locale_m2.ts")
     assert "M02_SangeunPickBase" not in locale
diff --git a/resources/tester/test_750_2_views_one_answer.py b/resources/tester/test_750_2_views_one_answer.py
index ca3836567..bd23618aa 100644
--- a/resources/tester/test_750_2_views_one_answer.py
+++ b/resources/tester/test_750_2_views_one_answer.py
@@ -30,3 +30,14 @@ def test_calc_view_answer_hook_skips_logic_lib():
     ts = _ts("M01_MasterData/M01_MasterData_UI_Logic_Calc.ts")
     assert "ctx.onText && !ctx.answer" in ts  # 미리보기 안 부름
     assert "if (ctx.answer)" in ts and "runCalc" in ts  # M01 옛 길 그대로
+
+
+def test_752_1_source_panel_only_on_sangeun_screen():
+    """752-1 원문 패널 — 단가산출 화면만 켬 · 일위대가 줄 모달 안 상세는 끔 · 기초마다 탭 · 좁은 폭 접힘."""
+    side = _ts("M02_MasterTemplete/M02_MasterTemplete_Sangeun_Side.ts")
+    assert "/m02/logic-lib/source" in side and "createSidePanels" in side
+    assert "OPEN_FROM" in side and "createSegment" in side
+    assert "source: true" in _ts("M02_MasterTemplete/M02_MasterTemplete_Sangeun_View.ts")
+    assert "source" not in _ts("M02_MasterTemplete/M02_MasterTemplete_Labor_RowSk.ts")
+    detail = _ts("M02_MasterTemplete/M02_MasterTemplete_Sangeun_Detail.ts")
+    assert "opt.source ? createSangeunSide()" in detail and "side?.set(" in detail
diff --git a/ui_template/ui_template_locale_m2.ts b/ui_template/ui_template_locale_m2.ts
index bbc6ebf11..7c9678d3c 100644
--- a/ui_template/ui_template_locale_m2.ts
+++ b/ui_template/ui_template_locale_m2.ts
@@ -207,10 +207,7 @@ export const ui_locales_m2 = {
     "Lines not priced — total uses the rest · drop the line or fill its input",
   ],
   M02_SangeunScaleOnly: ["열린 입력 — 품은 배율만", "Open inputs — quantity as multiplier only"],
-  M02_SangeunBaseViews: [
-    "시험 계산 · 텍스트 수식 = 바탕 단가산출 기초 + 고친 품 · 단가(뺀 줄 · 더한 줄 빼고)",
-    "Test calc · formula = base M01 logic + edited qty · price (no dropped · added lines)",
-  ],
+  M02_SangeunSourceNone: ["원문 연결 없음 — 바탕 로직 없음", "No source — no base logic"],
   M02_SangeunWait: ["셈 기다리는 중", "Calculating…"],
   M02_SangeunNoInputs: [
     "바탕 단가산출 기초 없음 — 시험 입력 없음",