diff --git a/M02_MasterTemplete/DataFlow/M02_DF_Detail.ts b/M02_MasterTemplete/DataFlow/M02_DF_Detail.ts
new file mode 100644
index 000000000..6ab1911b7
--- /dev/null
+++ b/M02_MasterTemplete/DataFlow/M02_DF_Detail.ts
@@ -0,0 +1,254 @@
+/* =============================================================================
+ * M02_DF_Detail.ts
+ * 상세 내용 판(선 · 알약) 공용 — 값 읽기 · 규칙 미리 보기 · 겹침/안 맞음 · 흐름 줄 · 끊김 까닭 · DOM 없음
+ * 모델의 traceBack · traceForward · breaks · applyRule · ruleLabel 이 아직 준비 중이면 같은 뜻의 작은 셈으로 메움
+ * 글 [한, 영] 짝은 아래 TEXT
+ * ========================================================================== */
+
+import { currentLanguageIndex } from "@ui/ui_template_locale";
+import { breaks, evalLogic, type CfEvalResult, type CfValue, type CfValues } from "./M02_DF_Eval";
+import {
+  portsIn,
+  portsOut,
+  traceBack,
+  traceForward,
+  type CfBox,
+  type CfGateOp,
+  type CfLink,
+  type CfLogic,
+  type CfPort,
+  type CfRound,
+  type CfRule,
+  type CfStep,
+} from "./M02_DF_Model";
+import { applyRule, ruleLabel } from "./M02_DF_Rule";
+
+const TEXT = {
+  Table: ["표 {n}줄", "table, {n} rows"],
+  Empty: ["값 없음", "no value"],
+  LabelLookup: ["표에서 「{col}」 찾기", "Look up “{col}” in the table"],
+  LabelGate: ["「{pill}」 {op} {value} 일 때만 보냄", "Send only when “{pill}” {op} {value}"],
+  LabelScale: ["값 {op} {value}", "value {op} {value}"],
+  LabelRound: ["소수 {places}자리 {method}", "{places} decimals, {method}"],
+  NoRule: ["규칙 없음 — 값이 그대로 감", "No rule — the value goes as is"],
+  Blocked: ["통과 안 됨", "does not pass"],
+  NoRowLater: ["표에서 맞는 줄은 계산 뒤에 보임", "The matching row shows after calculation"],
+  EmptyIn: ["빈 받는 자리 — 선이 없음", "Empty receiving spot — no line"],
+  NoCell: ["받은 알약을 칸에 놓지 않음", "The received pill is not placed in a cell"],
+  Dead: ["아직 어디로도 안 감", "Goes nowhere yet"],
+  NoValue: ["값이 아직 없음", "No value yet"],
+} as const;
+
+export const td = (key: keyof typeof TEXT, fill: Record<string, string | number> = {}): string =>
+  Object.entries(fill).reduce(
+    (s, [k, v]) => s.replace(`{${k}}`, String(v)),
+    TEXT[key][currentLanguageIndex === 1 ? 1 : 0] as string,
+  );
+
+export const GATE_OPS: CfGateOp[] = ["=", "≠", "≥", "≤", ">", "<"];
+export const SCALE_OPS: ("×" | "÷" | "+%" | "-%")[] = ["×", "÷", "+%", "-%"];
+
+export const boxOf = (lg: CfLogic, id: string): CfBox | undefined =>
+  lg.boxes.find((b) => b.id === id);
+
+export const portText = (lg: CfLogic, p: CfPort): string =>
+  `${boxOf(lg, p.box)?.name ?? "?"} › ${p.name}`;
+
+/** 계산 한 번 — 못 하면 null */
+export function evalSafe(lg: CfLogic, values?: CfValues): CfEvalResult | null {
+  try {
+    return evalLogic(lg, values);
+  } catch {
+    return null;
+  }
+}
+
+export const valueOf = (ev: CfEvalResult | null, p: CfPort): CfValue | undefined =>
+  ev?.ports[p.box]?.[p.name];
+
+/** 화면에 보일 값 글 — 표는 줄 수 */
+export function showValue(v: CfValue | undefined): string {
+  if (v === undefined || v === null) return td("Empty");
+  if (Array.isArray(v)) return td("Table", { n: Math.max(0, v.length - 1) });
+  return typeof v === "number" ? String(Number(v.toPrecision(12))) : String(v);
+}
+
+export function unitOf(lg: CfLogic, p: CfPort): string {
+  const box = boxOf(lg, p.box);
+  return (box && portsOut(box).find((x) => x.name === p.name)?.unit) || box?.unit || "-";
+}
+
+/** 알약이 나가는(out) 쪽인가 */
+export const isOut = (box: CfBox, name: string): boolean =>
+  portsOut(box).some((p) => p.name === name);
+
+/* ── 규칙 ─────────────────────────────────────────────────────────────── */
+
+const num = (v: unknown): number | null => {
+  const n = typeof v === "number" ? v : Number(v);
+  return Number.isFinite(n) && v !== "" && v !== null ? n : null;
+};
+
+/** 조건 통과 — 숫자면 숫자끼리 · 아니면 글끼리 */
+export function gatePass(op: CfGateOp, v: unknown, value: number | string): boolean {
+  const a = num(v);
+  const b = num(value);
+  const [x, y] = a !== null && b !== null ? [a, b] : [String(v ?? ""), String(value)];
+  switch (op) {
+    case "=":
+      return x === y;
+    case "≠":
+      return x !== y;
+    case "≥":
+      return x >= y;
+    case "≤":
+      return x <= y;
+    case ">":
+      return x > y;
+    default:
+      return x < y;
+  }
+}
+
+export function roundValue(r: CfRound, v: number): number {
+  const k = 10 ** r.places;
+  const f = r.method === "올림" ? Math.ceil : r.method === "버림" ? Math.floor : Math.round;
+  return f(v * k) / k;
+}
+
+/** 선 위 규칙 글 — 모델이 준비되면 그것, 아니면 같은 뜻의 글 */
+export function labelOf(lg: CfLogic, rule: CfRule | undefined): string {
+  if (!rule) return td("NoRule");
+  try {
+    return ruleLabel(rule);
+  } catch {
+    if (rule.kind === "lookup") return td("LabelLookup", { col: rule.col });
+    if (rule.kind === "gate")
+      return td("LabelGate", { pill: portText(lg, rule.from), op: rule.op, value: rule.value });
+    if (rule.kind === "scale") return td("LabelScale", { op: rule.op, value: rule.value });
+    return td("LabelRound", { places: rule.places, method: rule.method });
+  }
+}
+
+/** 지나가기 전 값 → 지난 뒤 값 미리 보기 */
+export function preview(
+  link: CfLink,
+  rule: CfRule | undefined,
+  ev: CfEvalResult | null,
+): { before: string; after: string } {
+  const raw = valueOf(ev, link.from);
+  const before = showValue(raw);
+  if (!rule) return { before, after: before };
+  const conds: Record<string, unknown> = {};
+  if (rule.kind === "lookup") for (const c of rule.conds) conds[c.col] = valueOf(ev, c.from);
+  try {
+    const r = applyRule(rule, raw, conds);
+    return {
+      before,
+      after: r.value === null ? (r.why ?? td("Empty")) : showValue(r.value as CfValue),
+    };
+  } catch {
+    const n = num(raw);
+    if (rule.kind === "gate")
+      return {
+        before,
+        after: gatePass(rule.op, valueOf(ev, rule.from), rule.value) ? before : td("Blocked"),
+      };
+    if (rule.kind === "lookup" || n === null) return { before, after: td("NoRowLater") };
+    if (rule.kind === "round") return { before, after: showValue(roundValue(rule, n)) };
+    const v = rule.value;
+    const out =
+      rule.op === "×"
+        ? n * v
+        : rule.op === "÷"
+          ? v
+            ? n / v
+            : NaN
+          : rule.op === "+%"
+            ? n * (1 + v / 100)
+            : n * (1 - v / 100);
+    return { before, after: Number.isFinite(out) ? showValue(out) : td("Empty") };
+  }
+}
+
+/** 같은 알약에서 나간 조건 선 — 지금 값으로 통과하는 수 */
+export function gateReport(
+  lg: CfLogic,
+  link: CfLink,
+  ev: CfEvalResult | null,
+): { total: number; pass: string[] } {
+  const same = lg.links.filter(
+    (l) =>
+      l.from.box === link.from.box && l.from.name === link.from.name && l.rule?.kind === "gate",
+  );
+  const pass = same
+    .filter((l) => {
+      const r = l.rule as Extract<CfRule, { kind: "gate" }>;
+      return gatePass(r.op, valueOf(ev, r.from), r.value);
+    })
+    .map((l) => l.id);
+  return { total: same.length, pass };
+}
+
+/* ── 흐름 · 끊김 ─────────────────────────────────────────────────────── */
+
+/** 거슬러 오르는 길(dir "in" = 온 길) · 따라가는 길(dir "out") — 모델 것, 없으면 작은 셈 */
+export function trace(lg: CfLogic, p: CfPort, dir: "in" | "out"): CfStep[] {
+  try {
+    return dir === "in" ? traceBack(lg, p) : traceForward(lg, p);
+  } catch {
+    const out: CfStep[] = [];
+    const seen = new Set<string>();
+    const walk = (port: CfPort, back: boolean): void => {
+      const key = `${port.box}/${port.name}`;
+      if (seen.has(key)) return;
+      seen.add(key);
+      const box = boxOf(lg, port.box);
+      if (!box) return;
+      if (back) {
+        const into = lg.links.filter(
+          (l) => l.to.box === port.box && (isOut(box, port.name) || l.to.name === port.name),
+        );
+        for (const l of into) {
+          out.push({ box: l.from.box, port: l.from.name, dir: "out", link: l.id, rule: l.rule });
+          walk(l.from, true);
+        }
+      } else {
+        const outs = lg.links.filter((l) => l.from.box === port.box && l.from.name === port.name);
+        for (const l of outs) {
+          out.push({ box: l.to.box, port: l.to.name, dir: "in", link: l.id, rule: l.rule });
+          const next = boxOf(lg, l.to.box);
+          for (const o of next ? portsOut(next) : []) walk({ box: next!.id, name: o.name }, false);
+        }
+      }
+    };
+    walk(p, dir === "in");
+    return out;
+  }
+}
+
+/** 그 상자(알약)에서 끊긴 곳 — 쉬운 말 */
+export function breakLines(lg: CfLogic, boxId: string, name?: string): string[] {
+  try {
+    return breaks(lg)
+      .filter((b) => b.box === boxId && (!name || !b.port || b.port === name))
+      .map((b) => b.text);
+  } catch {
+    // 모델의 끊긴 곳 목록이 준비되기 전 — 같은 뜻의 작은 셈
+  }
+  const box = boxOf(lg, boxId);
+  if (!box) return [];
+  const out: string[] = [];
+  for (const p of portsIn(box)) {
+    if (name && p.name !== name) continue;
+    if (!lg.links.some((l) => l.to.box === boxId && l.to.name === p.name)) out.push(td("EmptyIn"));
+    else if (box.func?.inputs.some((i) => i.port === p.name && !i.cell)) out.push(td("NoCell"));
+  }
+  for (const p of portsOut(box)) {
+    if (name && p.name !== name) continue;
+    if (!lg.links.some((l) => l.from.box === boxId && l.from.name === p.name)) out.push(td("Dead"));
+  }
+  return out;
+}
+
+export const noValue = (): string => td("NoValue");
diff --git a/M02_MasterTemplete/DataFlow/M02_DF_FuncPanel.ts b/M02_MasterTemplete/DataFlow/M02_DF_FuncPanel.ts
index c0c3de97c..45e3b2be5 100644
--- a/M02_MasterTemplete/DataFlow/M02_DF_FuncPanel.ts
+++ b/M02_MasterTemplete/DataFlow/M02_DF_FuncPanel.ts
@@ -7,103 +7,18 @@
  * 글 [한, 영] 짝은 아래 TEXT
  * ========================================================================== */
 
-import { currentLanguageIndex } from "@ui/ui_template_locale";
 import { createButton, el, showToast } from "@ui/ui_template_elements";
 import type {
   CalcValues,
   SpreadsheetHandle,
   Workbook,
 } from "../../A00_Common/spreadsheet/spreadsheet";
-import type { CfBox, CfFunc, CfLogic, CfVariable } from "./M02_DF_Model";
-import { parseRound, wrapRound, type RoundSpec } from "./M02_DF_Round";
+import type { CfBox, CfFunc, CfLogic, CfRound, CfVariable } from "./M02_DF_Model";
 import { createRoundRow } from "./M02_DF_RoundRow";
 import { createUnitPick, suggestPlaces } from "./M02_DF_UnitPick";
+import { ERR_KEY, FRAMES, TEXT, tf } from "./M02_DF_FuncText";
 import "./M02_DF_FuncPanel.css";
 
-const TEXT = {
-  Unit: ["단위", "Unit"],
-  Cell: ["고른 칸", "Selected cell"],
-  Got: ["받은 알약", "Received pills"],
-  GotHint: ["누르거나 칸에 끌어 놓음", "Click, or drag onto a cell"],
-  NoGot: ["선으로 들어온 알약이 없음", "No pill has come in yet"],
-  Placed: ["놓임", "placed"],
-  Free: ["아직 안 놓은 알약", "not placed yet"],
-  Busy: ["이미 쓰는 칸", "That cell is already in use"],
-  Locked: [
-    "받은 알약이 놓인 칸은 선의 값으로 채워짐 — 직접 못 고침",
-    "This cell is filled by the wire — cannot edit",
-  ],
-  Vars: ["변수", "Variables"],
-  MakeVar: ["변수 만들기", "Make variable"],
-  NoVars: ["아직 변수가 없음", "No variables yet"],
-  VarName: ["이름", "Name"],
-  VarType: ["갈래", "Type"],
-  Number: ["숫자", "Number"],
-  Choice: ["선택", "Choice"],
-  Text: ["글", "Text"],
-  VarUnit: ["단위", "Unit"],
-  VarMin: ["최소", "Min"],
-  VarMax: ["최대", "Max"],
-  VarChoices: ["선택 목록 (쉼표로 나눔)", "Choices (comma separated)"],
-  VarExample: ["예시값", "Example value"],
-  VarCell: ["붙을 칸", "Attach to"],
-  Make: ["만들기", "Make"],
-  Cancel: ["취소", "Cancel"],
-  Remove: ["지움", "Remove"],
-  NeedName: ["이름을 적음", "Enter a name"],
-  SameName: ["같은 이름이 이미 있음", "That name already exists"],
-  NotNumber: ["예시값은 숫자로 적음", "Example must be a number"],
-  BadRange: ["범위는 최소가 최대보다 작게", "Min must be below max"],
-  OutBtn: ["출력 칸으로", "Make output cell"],
-  OutNow: ["출력", "Output"],
-  OutNone: ["출력 칸을 아직 안 정함", "Output cell not set yet"],
-  OutOnly: ["출력은 칸 하나 — 다시 고르면 바뀜", "One output cell — pick again to change"],
-  Frames: ["틀", "Templates"],
-  FrameMul: ["곱하기", "Multiply"],
-  FrameMore: ["할증", "Markup"],
-  FrameDiv: ["나누기", "Divide"],
-  FrameIf: ["만약", "If"],
-  FrameMin: ["최소", "Min"],
-  FrameMax: ["최대", "Max"],
-  FrameUp: ["올림", "Round up"],
-  FrameLook: ["표에서 찾기", "Look up in table"],
-  FrameHint: ["칸 주소만 바꾸면 됨", "Just change the cell addresses"],
-  ReadOnly: ["읽기만", "Read only"],
-  Loading: ["시트를 불러오는 중", "Loading sheet"],
-  Problem: ["⚠ ", "⚠ "],
-  Unplaced: [" 받은 알약이 놓이지 않음", " pill is not placed on a cell"],
-  Err_DIV0: ["0으로 나눔", "divides by zero"],
-  Err_NAME: ["알 수 없는 이름", "unknown name"],
-  Err_REF: ["없는 칸을 가리킴", "points to a missing cell"],
-  Err_VALUE: ["값 종류가 안 맞음", "wrong kind of value"],
-  Err_CYCLE: ["서로 돌려 가리킴(순환)", "circular reference"],
-  Err_NA: ["찾는 값이 없음", "value not found"],
-  Err_OTHER: ["수식이 틀림", "formula is wrong"],
-} as const;
-
-const tf = (key: keyof typeof TEXT): string => TEXT[key][currentLanguageIndex];
-
-/** 틀 단추 — 진짜 엑셀 수식을 고른 칸에 넣음 */
-const FRAMES: [keyof typeof TEXT, string][] = [
-  ["FrameMul", "=B1*B2"],
-  ["FrameMore", "=B1*(1+B2/100)"],
-  ["FrameDiv", "=B1/B2"],
-  ["FrameIf", '=IF(B3="급",10,0)'],
-  ["FrameMin", "=MIN(B1,B2)"],
-  ["FrameMax", "=MAX(B1,B2)"],
-  ["FrameUp", "=ROUNDUP(B4,3)"],
-  ["FrameLook", "=XLOOKUP(B1,E1:E10,F1:F10)"],
-];
-
-const ERR_KEY: Record<string, keyof typeof TEXT> = {
-  "#DIV/0!": "Err_DIV0",
-  "#NAME?": "Err_NAME",
-  "#REF!": "Err_REF",
-  "#VALUE!": "Err_VALUE",
-  "#CYCLE!": "Err_CYCLE",
-  "#N/A": "Err_NA",
-};
-
 type Handlers = { change(lg: CfLogic): void };
 
 interface VarForm {
@@ -537,7 +452,16 @@ function drawBar(st: State): void {
         el("span", { className: "m02-dfpanel-note", text: tf("OutOnly") }),
       ],
     }),
-    ...[roundRow(st)].filter((x): x is HTMLElement => !!x),
+    ...(f?.output.cell
+      ? [
+          createRoundRow({
+            round: f.output.round,
+            suggest: st.suggest,
+            readOnly: st.readOnly,
+            onApply: (round) => writeRound(st, round),
+          }),
+        ]
+      : []),
     el("div", {
       className: "m02-dfpanel-row",
       children: [
@@ -556,31 +480,11 @@ function drawBar(st: State): void {
   );
 }
 
-/** 출력 칸 수식에 끝수 씌움(칸 값만 있으면 그 값을 감쌈) */
-function writeRound(st: State, spec: RoundSpec | null): void {
-  const f = funcOf(st);
-  const cell = f?.sheet.칸[f.output.cell];
-  if (!f || !cell) return;
-  const text = cell.식 ?? String(cell.값 ?? "");
-  const inner = parseRound(text)?.inner ?? text;
+/** 출력 끝수 정하기 — 모델의 output.round (null = 벗김) */
+function writeRound(st: State, round: CfRound | null): void {
   patchFunc(st, (x) => {
-    const sheet = structuredClone(x.sheet);
-    sheet.칸[x.output.cell] = { 식: wrapRound(inner, spec) };
-    return { ...x, sheet };
-  });
-}
-
-function roundRow(st: State): HTMLElement | null {
-  const f = funcOf(st);
-  const cell = f?.sheet.칸[f.output.cell];
-  const formula = cell
-    ? (cell.식 ?? (cell.값 === undefined ? undefined : String(cell.값)))
-    : undefined;
-  return createRoundRow({
-    formula,
-    suggest: st.suggest,
-    readOnly: st.readOnly,
-    onApply: (spec) => writeRound(st, spec),
+    const { round: _old, ...rest } = x.output;
+    return { ...x, output: round ? { ...rest, round } : rest };
   });
 }
 
diff --git a/M02_MasterTemplete/DataFlow/M02_DF_FuncText.ts b/M02_MasterTemplete/DataFlow/M02_DF_FuncText.ts
new file mode 100644
index 000000000..b0d6e4643
--- /dev/null
+++ b/M02_MasterTemplete/DataFlow/M02_DF_FuncText.ts
@@ -0,0 +1,90 @@
+/* =============================================================================
+ * M02_DF_FuncText.ts
+ * 함수 상자 판 글 [한, 영] 짝 · 틀 단추 수식 · 수식 오류 말 — 판 파일이 700줄 안에 들도록 뗌
+ * ========================================================================== */
+
+import { currentLanguageIndex } from "@ui/ui_template_locale";
+
+export const TEXT = {
+  Unit: ["단위", "Unit"],
+  Cell: ["고른 칸", "Selected cell"],
+  Got: ["받은 알약", "Received pills"],
+  GotHint: ["누르거나 칸에 끌어 놓음", "Click, or drag onto a cell"],
+  NoGot: ["선으로 들어온 알약이 없음", "No pill has come in yet"],
+  Placed: ["놓임", "placed"],
+  Free: ["아직 안 놓은 알약", "not placed yet"],
+  Busy: ["이미 쓰는 칸", "That cell is already in use"],
+  Locked: [
+    "받은 알약이 놓인 칸은 선의 값으로 채워짐 — 직접 못 고침",
+    "This cell is filled by the wire — cannot edit",
+  ],
+  Vars: ["변수", "Variables"],
+  MakeVar: ["변수 만들기", "Make variable"],
+  NoVars: ["아직 변수가 없음", "No variables yet"],
+  VarName: ["이름", "Name"],
+  VarType: ["갈래", "Type"],
+  Number: ["숫자", "Number"],
+  Choice: ["선택", "Choice"],
+  Text: ["글", "Text"],
+  VarUnit: ["단위", "Unit"],
+  VarMin: ["최소", "Min"],
+  VarMax: ["최대", "Max"],
+  VarChoices: ["선택 목록 (쉼표로 나눔)", "Choices (comma separated)"],
+  VarExample: ["예시값", "Example value"],
+  VarCell: ["붙을 칸", "Attach to"],
+  Make: ["만들기", "Make"],
+  Cancel: ["취소", "Cancel"],
+  Remove: ["지움", "Remove"],
+  NeedName: ["이름을 적음", "Enter a name"],
+  SameName: ["같은 이름이 이미 있음", "That name already exists"],
+  NotNumber: ["예시값은 숫자로 적음", "Example must be a number"],
+  BadRange: ["범위는 최소가 최대보다 작게", "Min must be below max"],
+  OutBtn: ["출력 칸으로", "Make output cell"],
+  OutNow: ["출력", "Output"],
+  OutNone: ["출력 칸을 아직 안 정함", "Output cell not set yet"],
+  OutOnly: ["출력은 칸 하나 — 다시 고르면 바뀜", "One output cell — pick again to change"],
+  Frames: ["틀", "Templates"],
+  FrameMul: ["곱하기", "Multiply"],
+  FrameMore: ["할증", "Markup"],
+  FrameDiv: ["나누기", "Divide"],
+  FrameIf: ["만약", "If"],
+  FrameMin: ["최소", "Min"],
+  FrameMax: ["최대", "Max"],
+  FrameUp: ["올림", "Round up"],
+  FrameLook: ["표에서 찾기", "Look up in table"],
+  FrameHint: ["칸 주소만 바꾸면 됨", "Just change the cell addresses"],
+  ReadOnly: ["읽기만", "Read only"],
+  Loading: ["시트를 불러오는 중", "Loading sheet"],
+  Problem: ["⚠ ", "⚠ "],
+  Unplaced: [" 받은 알약이 놓이지 않음", " pill is not placed on a cell"],
+  Err_DIV0: ["0으로 나눔", "divides by zero"],
+  Err_NAME: ["알 수 없는 이름", "unknown name"],
+  Err_REF: ["없는 칸을 가리킴", "points to a missing cell"],
+  Err_VALUE: ["값 종류가 안 맞음", "wrong kind of value"],
+  Err_CYCLE: ["서로 돌려 가리킴(순환)", "circular reference"],
+  Err_NA: ["찾는 값이 없음", "value not found"],
+  Err_OTHER: ["수식이 틀림", "formula is wrong"],
+} as const;
+
+export const tf = (key: keyof typeof TEXT): string => TEXT[key][currentLanguageIndex];
+
+/** 틀 단추 — 진짜 엑셀 수식을 고른 칸에 넣음 */
+export const FRAMES: [keyof typeof TEXT, string][] = [
+  ["FrameMul", "=B1*B2"],
+  ["FrameMore", "=B1*(1+B2/100)"],
+  ["FrameDiv", "=B1/B2"],
+  ["FrameIf", '=IF(B3="급",10,0)'],
+  ["FrameMin", "=MIN(B1,B2)"],
+  ["FrameMax", "=MAX(B1,B2)"],
+  ["FrameUp", "=ROUNDUP(B4,3)"],
+  ["FrameLook", "=XLOOKUP(B1,E1:E10,F1:F10)"],
+];
+
+export const ERR_KEY: Record<string, keyof typeof TEXT> = {
+  "#DIV/0!": "Err_DIV0",
+  "#NAME?": "Err_NAME",
+  "#REF!": "Err_REF",
+  "#VALUE!": "Err_VALUE",
+  "#CYCLE!": "Err_CYCLE",
+  "#N/A": "Err_NA",
+};
diff --git a/M02_MasterTemplete/DataFlow/M02_DF_LinkPanel.css b/M02_MasterTemplete/DataFlow/M02_DF_LinkPanel.css
new file mode 100644
index 000000000..867c22e06
--- /dev/null
+++ b/M02_MasterTemplete/DataFlow/M02_DF_LinkPanel.css
@@ -0,0 +1,82 @@
+.m02-dflink {
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-8);
+  font-size: var(--text-body);
+  color: var(--color-text-body);
+}
+
+.m02-dflink-head,
+.m02-dflink-row {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: var(--spacing-8);
+}
+
+.m02-dflink-label {
+  font-weight: var(--font-weight-bold);
+}
+
+.m02-dflink-note {
+  margin: 0;
+  color: var(--color-text-muted);
+  font-size: var(--text-body-sm);
+}
+
+.m02-dflink-value {
+  padding: 2px var(--spacing-12);
+  border: 1px solid var(--color-border);
+  border-radius: var(--radius-pills);
+  background: var(--color-surface-raised);
+  font-weight: var(--font-weight-medium);
+}
+
+.m02-dflink-num {
+  width: 7em;
+}
+
+.m02-dflink-warn {
+  margin: 0;
+  padding: var(--spacing-8) var(--spacing-12);
+  border-left: 4px solid var(--color-warning);
+  background: var(--color-surface-raised);
+  font-weight: var(--font-weight-medium);
+}
+
+/* 알약 판 */
+.m02-dfpill {
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-8);
+  font-size: var(--text-body);
+  color: var(--color-text-body);
+}
+
+.m02-dfpill-title {
+  font-weight: var(--font-weight-bold);
+}
+
+.m02-dfpill-list {
+  display: flex;
+  flex-direction: column;
+  gap: var(--spacing-4);
+  margin: 0;
+  padding: 0;
+  list-style: none;
+}
+
+.m02-dfpill-step {
+  display: flex;
+  flex-wrap: wrap;
+  gap: var(--spacing-8);
+  align-items: center;
+}
+
+.m02-dfpill-rule {
+  padding: 0 var(--spacing-8);
+  border: 1px dashed var(--color-border);
+  border-radius: var(--radius-pills);
+  color: var(--color-text-secondary);
+  font-size: var(--text-body-sm);
+}
diff --git a/M02_MasterTemplete/DataFlow/M02_DF_LinkPanel.ts b/M02_MasterTemplete/DataFlow/M02_DF_LinkPanel.ts
new file mode 100644
index 000000000..32f1d9fb9
--- /dev/null
+++ b/M02_MasterTemplete/DataFlow/M02_DF_LinkPanel.ts
@@ -0,0 +1,388 @@
+/* =============================================================================
+ * M02_DF_LinkPanel.ts
+ * 상세 내용 판 — 선 규칙: 선을 고르면 어디서 → 어디로 · 규칙 고르기(없음 · 표에서 찾기 · 조건 통과 · 바꾸기 · 끝수) ·
+ * 지나가기 전 값 → 지난 뒤 값 미리 보기 · 겹침/안 맞음 알림
+ * 모양은 `docs/raw/M01_쉬운단가/흐름도_정함.md` 정함 7 · M02_DF_Model 의 CfRule 그대로 · 단추 · 칸은 공용 작은 크기
+ * 글 [한, 영] 짝은 아래 TEXT
+ * ========================================================================== */
+
+import { currentLanguageIndex } from "@ui/ui_template_locale";
+import { createButton, el } from "@ui/ui_template_elements";
+import type { CfValues } from "./M02_DF_Eval";
+import {
+  portsOut,
+  reaches,
+  type CfGateOp,
+  type CfLogic,
+  type CfPort,
+  type CfRound,
+  type CfRule,
+} from "./M02_DF_Model";
+import {
+  GATE_OPS,
+  SCALE_OPS,
+  evalSafe,
+  gateReport,
+  labelOf,
+  portText,
+  preview,
+  unitOf,
+  valueOf,
+} from "./M02_DF_Detail";
+import { suggestPlaces } from "./M02_DF_UnitPick";
+import "./M02_DF_LinkPanel.css";
+
+const TEXT = {
+  Title: ["선 규칙", "Line rule"],
+  Kinds: ["규칙 고르기", "Pick a rule"],
+  K_none: ["없음", "None"],
+  K_lookup: ["표에서 찾기", "Look up in table"],
+  K_gate: ["조건 통과", "Pass if"],
+  K_scale: ["바꾸기", "Change"],
+  K_round: ["끝수", "Rounding"],
+  Label: ["선 위 글", "Text on the line"],
+  Before: ["지나가기 전 값", "Value before"],
+  After: ["지난 뒤 값", "Value after"],
+  Col: ["조건 칸", "Condition column"],
+  Match: ["맞출 알약", "Pill to match"],
+  Take: ["꺼낼 칸", "Column to take"],
+  AddCond: ["+ 조건 칸", "+ Condition"],
+  Remove: ["지움", "Remove"],
+  NoHeader: [
+    "보낸 쪽이 표가 아니거나 표를 아직 못 불러옴 — 표를 불러온 뒤 칸을 고름",
+    "The sender is not a table or it is not loaded yet",
+  ],
+  Pick: ["고르기", "pick"],
+  GateHint: [
+    "알약 값이 아래 조건을 지나면 보냄 — 아니면 넘기지 않음",
+    "Sent only when the pill passes",
+  ],
+  Value: ["값", "Value"],
+  ScaleHint: ["지나가는 값을 바꿈", "Changes the value on its way"],
+  Places: ["소수 {n}자리", "{n} decimals"],
+  Suggest: ["표준 제안: 소수 {n}자리", "Standard suggests {n} decimals"],
+  Apply: ["적용", "Apply"],
+  WarnBoth: [
+    "같은 알약에서 나간 조건 선 {n}개가 한꺼번에 통과함 — 겹침",
+    "{n} conditional lines pass at once — overlap",
+  ],
+  WarnNone: [
+    "같은 알약에서 나간 조건 선 {n}개 중 어느 것도 안 맞음",
+    "None of the {n} conditional lines match",
+  ],
+  WarnLookup: [
+    "조건 칸이 없음 — 표에서 줄을 못 고름",
+    "No condition column — a row can't be picked",
+  ],
+  WarnTake: ["꺼낼 칸을 고르지 않음", "No column to take"],
+  Count: ["선", "Line"],
+} as const;
+
+const tk = (key: keyof typeof TEXT, n?: number | string): string =>
+  TEXT[key][currentLanguageIndex === 1 ? 1 : 0].replace("{n}", String(n ?? ""));
+
+type Kind = "none" | CfRule["kind"];
+const KINDS: Kind[] = ["none", "lookup", "gate", "scale", "round"];
+const SEP = "\u0001";
+
+interface Ctx {
+  lg: CfLogic;
+  linkId: string;
+  readOnly: boolean;
+  headers: string[];
+  change(lg: CfLogic): void;
+}
+
+const toKey = (p: CfPort): string => `${p.box}${SEP}${p.name}`;
+const fromKey = (k: string): CfPort => {
+  const [box, ...rest] = k.split(SEP);
+  return { box, name: rest.join(SEP) };
+};
+
+function setRule(ctx: Ctx, rule: CfRule | undefined): void {
+  ctx.change({
+    ...ctx.lg,
+    links: ctx.lg.links.map((l) => {
+      if (l.id !== ctx.linkId) return l;
+      const { rule: _old, ...rest } = l;
+      return rule ? { ...rest, rule } : rest;
+    }),
+  });
+}
+
+function select(
+  ctx: Ctx,
+  options: { value: string; text: string }[],
+  value: string,
+  onPick: (v: string) => void,
+  aria: string,
+): HTMLElement {
+  const s = el("select", { className: "ui-select ui-select--sm", attrs: { "aria-label": aria } });
+  for (const o of options) s.append(el("option", { attrs: { value: o.value }, text: o.text }));
+  if (!options.some((o) => o.value === value))
+    s.prepend(el("option", { attrs: { value }, text: value || tk("Pick") }));
+  s.value = value;
+  s.disabled = ctx.readOnly;
+  s.addEventListener("change", () => onPick(s.value));
+  return s;
+}
+
+function numberBox(
+  ctx: Ctx,
+  value: number | string,
+  onCommit: (v: number | string) => void,
+  aria: string,
+): HTMLElement {
+  const i = el("input", {
+    className: "ui-input ui-input--sm m02-dflink-num",
+    attrs: { type: "text", "aria-label": aria },
+  });
+  i.value = String(value);
+  i.readOnly = ctx.readOnly;
+  i.addEventListener("change", () => {
+    const t = i.value.trim().replace(/,/g, "");
+    onCommit(t !== "" && Number.isFinite(Number(t)) ? Number(t) : t);
+  });
+  return i;
+}
+
+/** 맞출 알약 — 이 선이 닿는 상자와 그 뒤 상자(돌고 도는 선이 됨)는 뺌 */
+const pillOptions = (ctx: Ctx): { value: string; text: string }[] => {
+  const to = ctx.lg.links.find((x) => x.id === ctx.linkId)?.to.box ?? "";
+  return ctx.lg.boxes
+    .filter((b) => b.id !== to && !reaches(ctx.lg, to, b.id))
+    .flatMap((b) =>
+      portsOut(b).map((p) => ({
+        value: toKey({ box: b.id, name: p.name }),
+        text: portText(ctx.lg, { box: b.id, name: p.name }),
+      })),
+    );
+};
+
+const row = (...children: (HTMLElement | string)[]): HTMLElement =>
+  el("div", { className: "m02-dflink-row", children });
+
+/* ── 규칙마다 ─────────────────────────────────────────────────────────── */
+
+function lookupEditor(ctx: Ctx, rule: Extract<CfRule, { kind: "lookup" }>): HTMLElement[] {
+  const cols = [
+    ...new Set([...ctx.headers, ...rule.conds.map((c) => c.col), rule.col].filter(Boolean)),
+  ];
+  const colOpts = cols.map((c) => ({ value: c, text: c }));
+  const pills = pillOptions(ctx);
+  const put = (next: Partial<typeof rule>): void => setRule(ctx, { ...rule, ...next });
+  const rows = rule.conds.map((c, i) =>
+    row(
+      select(
+        ctx,
+        colOpts,
+        c.col,
+        (v) => put({ conds: rule.conds.map((x, j) => (j === i ? { ...x, col: v } : x)) }),
+        tk("Col"),
+      ),
+      "=",
+      select(
+        ctx,
+        pills,
+        toKey(c.from),
+        (v) => put({ conds: rule.conds.map((x, j) => (j === i ? { ...x, from: fromKey(v) } : x)) }),
+        tk("Match"),
+      ),
+      ctx.readOnly
+        ? ""
+        : createButton({
+            label: tk("Remove"),
+            variant: "ghost",
+            size: "sm",
+            onClick: () => put({ conds: rule.conds.filter((_, j) => j !== i) }),
+          }),
+    ),
+  );
+  const out: HTMLElement[] = [...rows];
+  if (!ctx.readOnly) {
+    out.push(
+      row(
+        createButton({
+          label: tk("AddCond"),
+          variant: "ghost",
+          size: "sm",
+          disabled: !pills.length || !cols.length,
+          onClick: () =>
+            put({ conds: [...rule.conds, { col: cols[0], from: fromKey(pills[0].value) }] }),
+        }),
+      ),
+    );
+  }
+  out.push(
+    row(
+      el("span", { className: "m02-dflink-label", text: tk("Take") }),
+      select(ctx, colOpts, rule.col, (v) => put({ col: v }), tk("Take")),
+    ),
+  );
+  if (!cols.length) out.push(el("p", { className: "m02-dflink-note", text: tk("NoHeader") }));
+  return out;
+}
+
+function gateEditor(ctx: Ctx, rule: Extract<CfRule, { kind: "gate" }>): HTMLElement[] {
+  const put = (next: Partial<typeof rule>): void => setRule(ctx, { ...rule, ...next });
+  return [
+    el("p", { className: "m02-dflink-note", text: tk("GateHint") }),
+    row(
+      select(
+        ctx,
+        pillOptions(ctx),
+        toKey(rule.from),
+        (v) => put({ from: fromKey(v) }),
+        tk("Match"),
+      ),
+      select(
+        ctx,
+        GATE_OPS.map((o) => ({ value: o, text: o })),
+        rule.op,
+        (v) => put({ op: v as CfGateOp }),
+        tk("Kinds"),
+      ),
+      numberBox(ctx, rule.value, (v) => put({ value: v }), tk("Value")),
+    ),
+  ];
+}
+
+function scaleEditor(ctx: Ctx, rule: Extract<CfRule, { kind: "scale" }>): HTMLElement[] {
+  return [
+    el("p", { className: "m02-dflink-note", text: tk("ScaleHint") }),
+    row(
+      select(
+        ctx,
+        SCALE_OPS.map((o) => ({ value: o, text: o })),
+        rule.op,
+        (v) => setRule(ctx, { ...rule, op: v as typeof rule.op }),
+        tk("Kinds"),
+      ),
+      numberBox(
+        ctx,
+        rule.value,
+        (v) => setRule(ctx, { ...rule, value: typeof v === "number" ? v : rule.value }),
+        tk("Value"),
+      ),
+    ),
+  ];
+}
+
+function roundEditor(
+  ctx: Ctx,
+  rule: Extract<CfRule, { kind: "round" }>,
+  unit: string,
+): HTMLElement[] {
+  const put = (next: Partial<CfRound>): void => setRule(ctx, { ...rule, ...next });
+  const places = Array.from({ length: 7 }, (_, n) => ({ value: String(n), text: tk("Places", n) }));
+  const hint = el("span", { className: "m02-dflink-note" });
+  void suggestPlaces(unit).then((n) => {
+    if (n === null || n === rule.places || ctx.readOnly) return;
+    hint.append(
+      tk("Suggest", n),
+      " ",
+      createButton({
+        label: tk("Apply"),
+        variant: "ghost",
+        size: "sm",
+        onClick: () => put({ places: n }),
+      }),
+    );
+  });
+  return [
+    row(
+      select(ctx, places, String(rule.places), (v) => put({ places: Number(v) }), tk("K_round")),
+      select(
+        ctx,
+        (["반올림", "올림", "버림"] as const).map((m) => ({ value: m, text: m })),
+        rule.method,
+        (v) => put({ method: v as CfRound["method"] }),
+        tk("K_round"),
+      ),
+      hint,
+    ),
+  ];
+}
+
+const DEFAULT: Record<Exclude<Kind, "none">, (from: CfPort) => CfRule> = {
+  lookup: () => ({ kind: "lookup", conds: [], col: "" }),
+  gate: (from) => ({ kind: "gate", from, op: "≥", value: 0 }),
+  scale: () => ({ kind: "scale", op: "×", value: 1 }),
+  round: () => ({ kind: "round", places: 0, method: "반올림" }),
+};
+
+/** 선 규칙 판 그리기 — 선을 고르면 부름 · 바뀐 lg 는 on.change 로만 알림(그리기는 부른 쪽이 다시) */
+export function renderLinkPanel(
+  host: HTMLElement,
+  lg: CfLogic,
+  linkId: string,
+  on: { change(lg: CfLogic): void },
+  opts: { values?: CfValues; readOnly?: boolean } = {},
+): void {
+  const link = lg.links.find((l) => l.id === linkId);
+  host.classList.add("m02-dflink");
+  if (!link) return host.replaceChildren();
+  const ev = evalSafe(lg, opts.values);
+  const table = valueOf(ev, link.from);
+  const headers =
+    Array.isArray(table) && Array.isArray(table[0])
+      ? table[0].map((h) => String(h ?? "")).filter(Boolean)
+      : [];
+  const ctx: Ctx = { lg, linkId, readOnly: !!opts.readOnly, headers, change: on.change };
+  const rule = link.rule;
+  const kind: Kind = rule?.kind ?? "none";
+  const parts: HTMLElement[] = [
+    el("div", {
+      className: "m02-dflink-head",
+      children: [
+        el("strong", { text: `${portText(lg, link.from)}  →  ${portText(lg, link.to)}` }),
+        el("span", { className: "m02-dflink-note", text: `(${unitOf(lg, link.from)})` }),
+      ],
+    }),
+    row(
+      el("span", { className: "m02-dflink-label", text: tk("Kinds") }),
+      ...KINDS.map((k) =>
+        createButton({
+          label: tk(`K_${k}` as "K_none"),
+          variant: k === kind ? "filled" : "ghost",
+          size: "sm",
+          disabled: ctx.readOnly,
+          onClick: () =>
+            k !== kind && setRule(ctx, k === "none" ? undefined : DEFAULT[k](link.from)),
+        }),
+      ),
+    ),
+  ];
+  if (rule?.kind === "lookup") parts.push(...lookupEditor(ctx, rule));
+  if (rule?.kind === "gate") parts.push(...gateEditor(ctx, rule));
+  if (rule?.kind === "scale") parts.push(...scaleEditor(ctx, rule));
+  if (rule?.kind === "round") parts.push(...roundEditor(ctx, rule, unitOf(lg, link.from)));
+
+  const pv = preview(link, rule, ev);
+  parts.push(
+    row(
+      el("span", { className: "m02-dflink-label", text: tk("Before") }),
+      el("span", { className: "m02-dflink-value", text: pv.before }),
+      "→",
+      el("span", { className: "m02-dflink-label", text: tk("After") }),
+      el("span", { className: "m02-dflink-value", text: pv.after }),
+    ),
+    row(
+      el("span", { className: "m02-dflink-label", text: tk("Label") }),
+      el("span", { text: labelOf(lg, rule) }),
+    ),
+  );
+
+  const warns: string[] = [];
+  if (rule?.kind === "gate") {
+    const rep = gateReport(lg, link, ev);
+    if (rep.pass.length > 1) warns.push(tk("WarnBoth", rep.pass.length));
+    if (rep.total > 0 && rep.pass.length === 0) warns.push(tk("WarnNone", rep.total));
+  }
+  if (rule?.kind === "lookup") {
+    if (!rule.conds.length) warns.push(tk("WarnLookup"));
+    if (!rule.col) warns.push(tk("WarnTake"));
+  }
+  parts.push(...warns.map((w) => el("p", { className: "m02-dflink-warn", text: `⚠ ${w}` })));
+  host.replaceChildren(...parts);
+}
diff --git a/M02_MasterTemplete/DataFlow/M02_DF_PillPanel.ts b/M02_MasterTemplete/DataFlow/M02_DF_PillPanel.ts
new file mode 100644
index 000000000..3c92bea06
--- /dev/null
+++ b/M02_MasterTemplete/DataFlow/M02_DF_PillPanel.ts
@@ -0,0 +1,139 @@
+/* =============================================================================
+ * M02_DF_PillPanel.ts
+ * 상세 내용 판 — 알약: 알약을 고르면 이름 · 값 · 단위 · 온 길(출처 사슬) · 가는 곳(이어진 선 · 받는 상자) · 끊김 까닭
+ * 모양은 `docs/raw/M01_쉬운단가/흐름도_정함.md` 정함 8 · 9 · M02_DF_Model 의 CfStep 그대로 · 읽기만(고치기는 선 · 상자 판에서)
+ * 글 [한, 영] 짝은 아래 TEXT
+ * ========================================================================== */
+
+import { currentLanguageIndex } from "@ui/ui_template_locale";
+import { createButton, el } from "@ui/ui_template_elements";
+import type { CfValues } from "./M02_DF_Eval";
+import type { CfLogic, CfStep } from "./M02_DF_Model";
+import {
+  boxOf,
+  breakLines,
+  evalSafe,
+  isOut,
+  labelOf,
+  portText,
+  showValue,
+  trace,
+  unitOf,
+  valueOf,
+} from "./M02_DF_Detail";
+import "./M02_DF_LinkPanel.css";
+
+const TEXT = {
+  Name: ["이름", "Name"],
+  Value: ["값", "Value"],
+  Unit: ["단위", "Unit"],
+  Kind_out: ["내보내는 알약", "Sending pill"],
+  Kind_in: ["받는 알약", "Receiving pill"],
+  From: ["온 길", "Where it came from"],
+  To: ["가는 곳", "Where it goes"],
+  Start: ["여기서 시작 — 더 거슬러 갈 곳이 없음", "It starts here — nothing before it"],
+  End: ["여기가 끝 — 더 가는 곳이 없음", "It ends here — nothing after it"],
+  Breaks: ["끊긴 곳", "Breaks"],
+  NoBreak: ["끊긴 곳 없음", "No breaks"],
+  Open: ["이 상자 보기", "Open this box"],
+  Line: ["선", "Line"],
+} as const;
+
+const tp = (key: keyof typeof TEXT): string => TEXT[key][currentLanguageIndex === 1 ? 1 : 0];
+
+const line = (label: string, ...value: (HTMLElement | string)[]): HTMLElement =>
+  el("div", {
+    className: "m02-dflink-row",
+    children: [el("span", { className: "m02-dflink-label", text: label }), ...value],
+  });
+
+function steps(
+  lg: CfLogic,
+  list: CfStep[],
+  empty: string,
+  onBox?: (id: string) => void,
+): HTMLElement {
+  if (!list.length) return el("p", { className: "m02-dflink-note", text: empty });
+  return el("ol", {
+    className: "m02-dfpill-list",
+    children: list.map((s) => {
+      const parts: (HTMLElement | string)[] = [
+        s.dir === "out" ? "◀" : "▶",
+        onBox
+          ? createButton({
+              label: portText(lg, { box: s.box, name: s.port }),
+              variant: "ghost",
+              size: "sm",
+              onClick: () => onBox(s.box),
+            })
+          : portText(lg, { box: s.box, name: s.port }),
+      ];
+      if (s.rule)
+        parts.push(el("span", { className: "m02-dfpill-rule", text: labelOf(lg, s.rule) }));
+      return el("li", { className: "m02-dfpill-step", children: parts });
+    }),
+  });
+}
+
+/** 알약 판 그리기 — 알약을 고르면 부름 · on.pick 이 있으면 줄의 상자 이름을 눌러 그 상자로 감 */
+export function renderPillPanel(
+  host: HTMLElement,
+  lg: CfLogic,
+  boxId: string,
+  port: string,
+  on: { pick?(boxId: string): void } = {},
+  opts: { values?: CfValues } = {},
+): void {
+  host.classList.add("m02-dfpill");
+  const box = boxOf(lg, boxId);
+  if (!box) return host.replaceChildren();
+  const ev = evalSafe(lg, opts.values);
+  const out = isOut(box, port);
+  // 받는 알약의 값 = 그 자리로 들어오는 선의 보낸 알약 값(규칙 지나기 전)
+  const incoming = lg.links.find((l) => l.to.box === boxId && l.to.name === port);
+  const value = out
+    ? valueOf(ev, { box: boxId, name: port })
+    : incoming
+      ? valueOf(ev, incoming.from)
+      : undefined;
+  const unit = out
+    ? unitOf(lg, { box: boxId, name: port })
+    : incoming
+      ? unitOf(lg, incoming.from)
+      : box.unit;
+  const back = trace(lg, { box: boxId, name: port }, "in");
+  const forward = trace(lg, { box: boxId, name: port }, "out");
+  const breaks = breakLines(lg, boxId, port);
+  host.replaceChildren(
+    el("div", {
+      className: "m02-dflink-head",
+      children: [
+        el("strong", { className: "m02-dfpill-title", text: `${box.name} › ${port}` }),
+        el("span", { className: "m02-dflink-note", text: tp(out ? "Kind_out" : "Kind_in") }),
+      ],
+    }),
+    line(tp("Name"), port),
+    line(tp("Value"), el("span", { className: "m02-dflink-value", text: showValue(value) })),
+    line(tp("Unit"), unit || "-"),
+    el("div", {
+      children: [
+        el("div", { className: "m02-dflink-label", text: tp("From") }),
+        steps(lg, back, tp("Start"), on.pick),
+      ],
+    }),
+    el("div", {
+      children: [
+        el("div", { className: "m02-dflink-label", text: tp("To") }),
+        steps(lg, forward, tp("End"), on.pick),
+      ],
+    }),
+    el("div", {
+      children: [
+        el("div", { className: "m02-dflink-label", text: tp("Breaks") }),
+        ...(breaks.length
+          ? breaks.map((b) => el("p", { className: "m02-dflink-warn", text: `⚠ ${b}` }))
+          : [el("p", { className: "m02-dflink-note", text: tp("NoBreak") })]),
+      ],
+    }),
+  );
+}
diff --git a/M02_MasterTemplete/DataFlow/M02_DF_Round.ts b/M02_MasterTemplete/DataFlow/M02_DF_Round.ts
deleted file mode 100644
index c5165238b..000000000
--- a/M02_MasterTemplete/DataFlow/M02_DF_Round.ts
+++ /dev/null
@@ -1,33 +0,0 @@
-/* =============================================================================
- * M02_DF_Round.ts
- * 끝수 — 출력 칸 수식을 ROUND 계열로 감쌈 · 감싼 것을 읽음 · DOM 없음
- * 소수자리 제안은 단위 표준(M02_DF_UnitPick.suggestPlaces) · 주 ① 반올림 · ② 항목 값 우선
- * ========================================================================== */
-
-export type RoundMode = "반올림" | "올림" | "버림";
-
-export const ROUND_FN: Record<RoundMode, string> = {
-  반올림: "ROUND",
-  올림: "ROUNDUP",
-  버림: "ROUNDDOWN",
-};
-
-export interface RoundSpec {
-  places: number;
-  mode: RoundMode;
-}
-
-const WRAPPED = /^(ROUND|ROUNDUP|ROUNDDOWN)\((.*),\s*(-?\d+)\s*\)$/s;
-
-/** 칸 수식(앞 = 뺀 글) → 끝수 · 안 감싸였으면 null */
-export function parseRound(formula: string): { spec: RoundSpec; inner: string } | null {
-  const m = WRAPPED.exec(formula.trim());
-  if (!m) return null;
-  const mode = (Object.keys(ROUND_FN) as RoundMode[]).find((k) => ROUND_FN[k] === m[1]);
-  return mode ? { spec: { places: Number(m[3]), mode }, inner: m[2] } : null;
-}
-
-/** 안쪽 글에 끝수를 씌움 — spec 이 null 이면 벗김 */
-export function wrapRound(inner: string, spec: RoundSpec | null): string {
-  return spec ? `${ROUND_FN[spec.mode]}(${inner}, ${spec.places})` : inner;
-}
diff --git a/M02_MasterTemplete/DataFlow/M02_DF_RoundRow.ts b/M02_MasterTemplete/DataFlow/M02_DF_RoundRow.ts
index 82042b2e9..c1bf3fad8 100644
--- a/M02_MasterTemplete/DataFlow/M02_DF_RoundRow.ts
+++ b/M02_MasterTemplete/DataFlow/M02_DF_RoundRow.ts
@@ -1,12 +1,12 @@
 /* =============================================================================
  * M02_DF_RoundRow.ts
  * 끝수 고르기 줄 — 소수 몇 자리 · 반올림/올림/버림 · 단위 표준에서 자리 제안(적용 단추)
- * 칸 · 단추는 공용 작은 크기 · 글 [한, 영] 짝은 아래 TEXT
+ * 모양은 M02_DF_Model 의 CfRound · 칸 · 단추는 공용 작은 크기 · 글 [한, 영] 짝은 아래 TEXT
  * ========================================================================== */
 
 import { currentLanguageIndex } from "@ui/ui_template_locale";
 import { createButton, el } from "@ui/ui_template_elements";
-import { parseRound, ROUND_FN, type RoundMode, type RoundSpec } from "./M02_DF_Round";
+import type { CfRound } from "./M02_DF_Model";
 
 const TEXT = {
   Label: ["끝수", "Rounding"],
@@ -14,53 +14,54 @@ const TEXT = {
   Places: ["소수 {n}자리", "{n} decimals"],
   Suggest: ["표준 제안: 소수 {n}자리", "Standard suggests {n} decimals"],
   Apply: ["적용", "Apply"],
-  Places_aria: ["소수자리", "Decimal places"],
-  Mode_aria: ["방법", "Method"],
+  PlacesAria: ["소수자리", "Decimal places"],
+  ModeAria: ["방법", "Method"],
 } as const;
 
+const METHODS: CfRound["method"][] = ["반올림", "올림", "버림"];
+
 const tr = (key: keyof typeof TEXT, n?: number): string =>
   TEXT[key][currentLanguageIndex === 1 ? 1 : 0].replace("{n}", String(n ?? ""));
 
 export interface RoundRowOptions {
-  /** 출력 칸 수식(앞 = 뺀 글) — 없으면 줄을 안 그림 */
-  formula: string | undefined;
+  /** 지금 끝수 — 없으면 undefined */
+  round: CfRound | undefined;
   /** 단위 표준이 제안한 소수자리 */
   suggest: number | null;
   readOnly?: boolean;
   /** null = 끝수 벗김 */
-  onApply(spec: RoundSpec | null): void;
+  onApply(round: CfRound | null): void;
 }
 
-export function createRoundRow(opts: RoundRowOptions): HTMLElement | null {
-  if (opts.formula === undefined) return null;
-  const now = parseRound(opts.formula)?.spec ?? null;
+export function createRoundRow(opts: RoundRowOptions): HTMLElement {
+  const now = opts.round ?? null;
   const places = el("select", {
     className: "ui-select ui-select--sm",
-    attrs: { "aria-label": tr("Places_aria") },
+    attrs: { "aria-label": tr("PlacesAria") },
   });
   places.append(el("option", { attrs: { value: "" }, text: tr("None") }));
   for (let n = 0; n <= 6; n++) {
     places.append(el("option", { attrs: { value: String(n) }, text: tr("Places", n) }));
   }
   places.value = now ? String(now.places) : "";
-  const mode = el("select", {
+  const method = el("select", {
     className: "ui-select ui-select--sm",
-    attrs: { "aria-label": tr("Mode_aria") },
+    attrs: { "aria-label": tr("ModeAria") },
   });
-  for (const m of Object.keys(ROUND_FN) as RoundMode[]) {
-    mode.append(el("option", { attrs: { value: m }, text: m }));
-  }
-  mode.value = now?.mode ?? "반올림";
-  if (opts.readOnly) places.disabled = mode.disabled = true;
+  for (const m of METHODS) method.append(el("option", { attrs: { value: m }, text: m }));
+  method.value = now?.method ?? "반올림";
+  if (opts.readOnly) places.disabled = method.disabled = true;
   const emit = (): void =>
     opts.onApply(
-      places.value === "" ? null : { places: Number(places.value), mode: mode.value as RoundMode },
+      places.value === ""
+        ? null
+        : { places: Number(places.value), method: method.value as CfRound["method"] },
     );
   places.addEventListener("change", emit);
-  mode.addEventListener("change", () => places.value !== "" && emit());
+  method.addEventListener("change", () => places.value !== "" && emit());
   const row = el("div", {
     className: "m02-dfpanel-row",
-    children: [el("span", { className: "m02-dfpanel-label", text: tr("Label") }), places, mode],
+    children: [el("span", { className: "m02-dfpanel-label", text: tr("Label") }), places, method],
   });
   if (opts.suggest !== null && !now && !opts.readOnly) {
     row.append(
@@ -69,7 +70,7 @@ export function createRoundRow(opts: RoundRowOptions): HTMLElement | null {
         label: tr("Apply"),
         variant: "ghost",
         size: "sm",
-        onClick: () => opts.onApply({ places: opts.suggest!, mode: "반올림" }),
+        onClick: () => opts.onApply({ places: opts.suggest!, method: "반올림" }),
       }),
     );
   }