diff --git a/B07_DesignDetail/openwebcad/src/helpers/autosave.test.ts b/B07_DesignDetail/openwebcad/src/helpers/autosave.test.ts
new file mode 100644
index 000000000..bf31de0a4
--- /dev/null
+++ b/B07_DesignDetail/openwebcad/src/helpers/autosave.test.ts
@@ -0,0 +1,28 @@
+import { describe, expect, it, vi } from 'vitest';
+
+const info = vi.fn();
+vi.mock('react-toastify', () => ({ toast: { info, success: vi.fn() } }));
+vi.mock('../state', () => ({
+	getEntities: () => [],
+	isDrawingReadOnly: () => false,
+	resetUndoBaseline: vi.fn(),
+	setActiveLayerId: vi.fn(),
+	setEntities: vi.fn(),
+	setLayers: vi.fn(),
+}));
+
+describe('registerAutoSave', () => {
+	it('백업이 있어도 시작 토스트를 띄우지 않고 백업 듣기만 건다', async () => {
+		const addEventListener = vi.fn();
+		vi.stubGlobal('window', { addEventListener });
+		vi.stubGlobal('localStorage', {
+			getItem: () => JSON.stringify({ savedAt: 1, json: '{}' }),
+			setItem: vi.fn(),
+			removeItem: vi.fn(),
+		});
+		const { registerAutoSave } = await import('./autosave');
+		registerAutoSave();
+		expect(info).not.toHaveBeenCalled();
+		expect(addEventListener).toHaveBeenCalledTimes(1);
+	});
+});
diff --git a/B07_DesignDetail/openwebcad/src/helpers/autosave.ts b/B07_DesignDetail/openwebcad/src/helpers/autosave.ts
index 439902182..65e58f4ba 100644
--- a/B07_DesignDetail/openwebcad/src/helpers/autosave.ts
+++ b/B07_DesignDetail/openwebcad/src/helpers/autosave.ts
@@ -107,17 +107,10 @@ export async function restoreRecovery(): Promise<void> {
 	toast.success(`백업을 되살렸습니다 (${new Date(file.savedAt).toLocaleString()}).`);
 }
 
-/** 시작할 때 한 번 부른다. 백업이 있으면 안내만 띄우고, 되살리기는 사용자가 누른다. */
+/** 시작할 때 한 번 부른다. 시작 안내는 띄우지 않음 — 되살리기는 파일 명령으로. */
 export function registerAutoSave(): void {
 	window.addEventListener(HtmlEvent.UPDATE_STATE, () => {
 		clearTimeout(debounceTimer);
 		debounceTimer = setTimeout(() => void writeBackup(), AUTOSAVE_DEBOUNCE_MS);
 	});
-
-	const file = readRecovery();
-	if (!file) return;
-	toast.info(
-		`이전 작업 백업이 있습니다 (${new Date(file.savedAt).toLocaleString()}). 눌러서 되살리기.`,
-		{ autoClose: false, onClick: () => void restoreRecovery() }
-	);
 }