diff --git a/B07_DesignDetail/openwebcad/src/components/ViewControls.tsx b/B07_DesignDetail/openwebcad/src/components/ViewControls.tsx
index 6b0b707ae..c5c16e0c2 100644
--- a/B07_DesignDetail/openwebcad/src/components/ViewControls.tsx
+++ b/B07_DesignDetail/openwebcad/src/components/ViewControls.tsx
@@ -1,13 +1,30 @@
-/** 화면 우하단 탐색 막대 (줌 표시·전체 보기) */
+/** 화면 우하단 탐색 막대 (줌 표시·전체 보기) — 제목줄이 없는 화면(M02)은 되돌리기 · 다시 하기도 */
 import type { FC } from 'react';
 import { runCommandInput } from '../commands/run-command';
-import { getScreenCanvasDrawController } from '../state';
+import {
+	getScreenCanvasDrawController,
+	isDrawingReadOnly,
+	isHostSave,
+	isViewOnly,
+} from '../state';
 
 export const ViewControls: FC = () => {
 	const zoom = getScreenCanvasDrawController()?.getScreenScale() ?? 1;
+	// 제목줄(빠른 막대)이 없는 M02 양식 · 구조물 카드 — 고칠 수 있을 때만
+	const showUndo = isHostSave() && !isViewOnly() && !isDrawingReadOnly();
 
 	return (
 		<div className="cad-view-controls controls">
+			{showUndo && (
+				<>
+					<button type="button" onClick={() => runCommandInput('UNDO')} title="실행 취소 (Ctrl+Z)">
+						↶
+					</button>
+					<button type="button" onClick={() => runCommandInput('REDO')} title="다시 실행 (Ctrl+Y)">
+						↷
+					</button>
+				</>
+			)}
 			<button
 				type="button"
 				className="cad-view-controls__fit"
diff --git a/B07_DesignDetail/openwebcad/src/inputController/input-controller.ts b/B07_DesignDetail/openwebcad/src/inputController/input-controller.ts
index bc2957016..87cbce18c 100644
--- a/B07_DesignDetail/openwebcad/src/inputController/input-controller.ts
+++ b/B07_DesignDetail/openwebcad/src/inputController/input-controller.ts
@@ -60,6 +60,7 @@ import {
 	isPlainSpace,
 } from './ime-sink.ts';
 import { drawInputField } from './input-field-draw.ts';
+import { ctrlShortcut } from './input-shortcut.ts';
 import { wheelZoom } from './input-wheel.ts';
 import {
 	ABSOLUTE_POINT_REGEXP,
@@ -339,7 +340,9 @@ export class InputController {
 		if (target !== this.ime.element && target?.closest('input, textarea, select')) {
 			return;
 		}
-		if (isImeKey(evt)) return; // 한글 조합 중 — 단축키가 먹지 않게 IME 에 넘김
+		const shortcut = ctrlShortcut(evt);
+		// 한글 조합 중 — 단축키가 먹지 않게 IME 에 넘김(Ctrl 단축키는 조합 중에도 먹음)
+		if (isImeKey(evt) && !shortcut) return;
 		console.log(`key pressed: ${evt.key}`);
 		if (evt.key === 'F12') {
 			// F12 => open developer tools
@@ -386,19 +389,16 @@ export class InputController {
 		}
 		evt.preventDefault();
 		evt.stopPropagation();
-		if (evt.ctrlKey && !evt.shiftKey && evt.key === 'z') {
+		if (shortcut === 'undo') {
 			// User wants to undo the last action
 			this.handleUndo(evt);
-		} else if (evt.ctrlKey && evt.shiftKey && evt.key === 'z') {
+		} else if (shortcut === 'redo') {
 			// User wants to redo the last action
 			this.handleRedo(evt);
-		} else if (evt.ctrlKey && evt.key === 'y') {
-			// User wants to redo the last action
-			this.handleRedo(evt);
-		} else if (evt.ctrlKey && evt.key === 's') {
+		} else if (shortcut === 'save') {
 			// 부모 페이지가 저장을 맡은 화면(M02 양식)만 — B07 은 예전처럼 아무 일 없음
 			if (isHostSave()) requestHostSave();
-		} else if (evt.ctrlKey && evt.key === 'a') {
+		} else if (shortcut === 'selectAll') {
 			// User wants to select everything
 			setSelectedEntityIds(getPickableEntities().map((entity) => entity.id));
 		} else if (evt.key === 'Backspace') {
diff --git a/B07_DesignDetail/openwebcad/src/inputController/input-shortcut.ts b/B07_DesignDetail/openwebcad/src/inputController/input-shortcut.ts
new file mode 100644
index 000000000..c5efd82a0
--- /dev/null
+++ b/B07_DesignDetail/openwebcad/src/inputController/input-shortcut.ts
@@ -0,0 +1,24 @@
+/** Ctrl 단축키 이름 */
+export type CtrlShortcut = 'undo' | 'redo' | 'save' | 'selectAll';
+
+/**
+ * Ctrl 단축키 판정 — 글자(`key`)가 아니라 자판 자리(`code`).
+ * 한글 자판은 `key` 가 「ㅋ」·「ㅛ」로 오고, Shift 를 누르면 `key` 가 대문자(「Z」)라 글자로는 안 맞는다.
+ */
+export function ctrlShortcut(
+	evt: Pick<KeyboardEvent, 'ctrlKey' | 'altKey' | 'shiftKey' | 'code'>
+): CtrlShortcut | null {
+	if (!evt.ctrlKey || evt.altKey) return null;
+	switch (evt.code) {
+		case 'KeyZ':
+			return evt.shiftKey ? 'redo' : 'undo';
+		case 'KeyY':
+			return evt.shiftKey ? null : 'redo';
+		case 'KeyS':
+			return evt.shiftKey ? null : 'save';
+		case 'KeyA':
+			return evt.shiftKey ? null : 'selectAll';
+		default:
+			return null;
+	}
+}
diff --git a/resources/tester/cad/ctrl-shortcut-hangul.test.ts b/resources/tester/cad/ctrl-shortcut-hangul.test.ts
new file mode 100644
index 000000000..a93f4f661
--- /dev/null
+++ b/resources/tester/cad/ctrl-shortcut-hangul.test.ts
@@ -0,0 +1,113 @@
+/**
+ * Ctrl 단축키 — 한글 자판에서도 되돌리기 · 다시 하기가 먹는다(PLAN 214-1).
+ * 한글 자판은 key 가 「ㅋ」·「ㅛ」 · Shift 는 대문자 — 자판 자리(code)로 판정한다.
+ * 실행: cd B07_DesignDetail/openwebcad && npx vitest run --dir ../../resources/tester/cad ctrl-shortcut-hangul
+ */
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+vi.mock("../../../B07_DesignDetail/openwebcad/src/state.ts", async (importOriginal) => ({
+  ...(await importOriginal<Record<string, unknown>>()),
+  undo: vi.fn(),
+  redo: vi.fn(),
+}));
+
+import { ctrlShortcut } from "../../../B07_DesignDetail/openwebcad/src/inputController/input-shortcut";
+import { InputController } from "../../../B07_DesignDetail/openwebcad/src/inputController/input-controller";
+import { redo, undo } from "../../../B07_DesignDetail/openwebcad/src/state";
+
+const press = (controller: InputController, extra: Partial<KeyboardEvent>) => {
+  const preventDefault = vi.fn();
+  controller.handleKeyStroke({
+    key: "",
+    code: "",
+    keyCode: 0,
+    isComposing: false,
+    shiftKey: false,
+    ctrlKey: true,
+    altKey: false,
+    metaKey: false,
+    repeat: false,
+    target: null,
+    preventDefault,
+    stopPropagation: vi.fn(),
+    ...extra,
+  } as unknown as KeyboardEvent);
+  return preventDefault;
+};
+
+describe("ctrlShortcut — 자판 자리(code)로 판정", () => {
+  const k = (code: string, extra = {}) =>
+    ctrlShortcut({ ctrlKey: true, altKey: false, shiftKey: false, code, ...extra });
+  it("KeyZ = 되돌리기 · Shift+KeyZ · KeyY = 다시 하기", () => {
+    expect(k("KeyZ")).toBe("undo");
+    expect(k("KeyZ", { shiftKey: true })).toBe("redo");
+    expect(k("KeyY")).toBe("redo");
+  });
+  it("KeyS = 저장 · KeyA = 전부 고르기 · Shift 면 아님", () => {
+    expect(k("KeyS")).toBe("save");
+    expect(k("KeyA")).toBe("selectAll");
+    expect(k("KeyS", { shiftKey: true })).toBeNull();
+    expect(k("KeyA", { shiftKey: true })).toBeNull();
+  });
+  it("Ctrl 없음 · Alt(AltGr) 함께 · 다른 자리는 아님", () => {
+    expect(k("KeyZ", { ctrlKey: false })).toBeNull();
+    expect(k("KeyZ", { altKey: true })).toBeNull();
+    expect(k("KeyX")).toBeNull();
+  });
+});
+
+describe("키 입력 — 한글 자판", () => {
+  beforeEach(() => {
+    vi.mocked(undo).mockClear();
+    vi.mocked(redo).mockClear();
+  });
+
+  it("Ctrl+「ㅋ」(KeyZ) = 되돌리기", () => {
+    const controller = new InputController();
+    const prevented = press(controller, { key: "ㅋ", code: "KeyZ" });
+    expect(undo).toHaveBeenCalledTimes(1);
+    expect(redo).not.toHaveBeenCalled();
+    expect(prevented).toHaveBeenCalled();
+  });
+
+  it("Ctrl+「ㅛ」(KeyY) = 다시 하기", () => {
+    const controller = new InputController();
+    press(controller, { key: "ㅛ", code: "KeyY" });
+    expect(redo).toHaveBeenCalledTimes(1);
+    expect(undo).not.toHaveBeenCalled();
+  });
+
+  it("Ctrl+Shift+「ㅋ」(KeyZ) = 다시 하기", () => {
+    const controller = new InputController();
+    press(controller, { key: "ㅋ", code: "KeyZ", shiftKey: true });
+    expect(redo).toHaveBeenCalledTimes(1);
+    expect(undo).not.toHaveBeenCalled();
+  });
+
+  it("영문 자판 Ctrl+Shift+Z(key 「Z」) = 다시 하기 · Ctrl+Z = 되돌리기", () => {
+    const controller = new InputController();
+    press(controller, { key: "Z", code: "KeyZ", shiftKey: true });
+    expect(redo).toHaveBeenCalledTimes(1);
+    press(controller, { key: "z", code: "KeyZ" });
+    expect(undo).toHaveBeenCalledTimes(1);
+  });
+
+  it("한글 조합 중(keyCode 229 · key Process)에도 Ctrl+Z 는 먹음", () => {
+    const controller = new InputController();
+    press(controller, { key: "Process", code: "KeyZ", keyCode: 229, isComposing: true });
+    expect(undo).toHaveBeenCalledTimes(1);
+  });
+
+  it("조합 중 Ctrl 없는 키는 여전히 IME 에 넘김", () => {
+    const controller = new InputController();
+    const prevented = press(controller, {
+      key: "Process",
+      code: "KeyZ",
+      keyCode: 229,
+      isComposing: true,
+      ctrlKey: false,
+    });
+    expect(undo).not.toHaveBeenCalled();
+    expect(prevented).not.toHaveBeenCalled();
+  });
+});
diff --git a/ui_template/cad_host/cad_host.ts b/ui_template/cad_host/cad_host.ts
index 51ea8b6f3..27cfaf37d 100644
--- a/ui_template/cad_host/cad_host.ts
+++ b/ui_template/cad_host/cad_host.ts
@@ -148,6 +148,12 @@ export function createCadHost<D extends CadHostDrawing, M = unknown, Q = unknown
   frame.addEventListener("load", () => {
     if (frame.contentWindow) blockNativeMenu(frame.contentWindow, () => true);
   });
+  // 포인터가 CAD 위에 오면 키(Ctrl+Z · Ctrl+Y …)가 CAD 로 가게 초점을 넘김 — 부모 입력 칸에서 치는 중이면 안 뺏음
+  frame.addEventListener("mouseenter", () => {
+    const active = document.activeElement;
+    if (active === frame || active?.closest("input, textarea, select, [contenteditable]")) return;
+    frame.contentWindow?.focus();
+  });
   const license = document.createElement("a");
   license.className = "cad-host__license";
   license.href = "/b07-cad/THIRD_PARTY_LICENSES.txt";