diff --git a/B07_DesignDetail/openwebcad/src/main.tsx b/B07_DesignDetail/openwebcad/src/main.tsx
index abf4f4d7b..9e4b392d7 100644
--- a/B07_DesignDetail/openwebcad/src/main.tsx
+++ b/B07_DesignDetail/openwebcad/src/main.tsx
@@ -174,9 +174,8 @@ function initApplication() {
 
 		startDrawLoop(screenCanvasDrawController, 0);
 
-		const lineToolActor = new Actor(TOOL_STATE_MACHINES[Tool.LINE]);
-		lineToolActor.start();
-		setActiveToolActor(lineToolActor);
+		// 오토캐드처럼 「명령:」 쉼(선택 도구)으로 시작
+		setActiveToolActor(new Actor(TOOL_STATE_MACHINES[Tool.SELECT]));
 	}
 }
 
diff --git a/resources/tester/cad/prompt-frame.test.ts b/resources/tester/cad/prompt-frame.test.ts
index 986366abc..e5005bf8b 100644
--- a/resources/tester/cad/prompt-frame.test.ts
+++ b/resources/tester/cad/prompt-frame.test.ts
@@ -3,6 +3,7 @@
  * 설계 `docs/raw/조사/2026-10-15_337_CAD오토캐드조작_설계.md` 2 장 · 6-3 가 줄.
  * 실행: cd B07_DesignDetail/openwebcad && npx vitest run --dir ../../resources/tester/cad prompt-frame
  */
+import { readFileSync } from "node:fs";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 
 vi.mock("react-toastify", () => ({
@@ -21,6 +22,7 @@ import {
   remember,
   renderPrompt,
 } from "../../../B07_DesignDetail/openwebcad/src/commands/prompt";
+import { TOOL_STATE_MACHINES } from "../../../B07_DesignDetail/openwebcad/src/commands/registry";
 import {
   getLastCommandId,
   runCommandInput,
@@ -418,6 +420,24 @@ describe("엔진 v2 — loopFrom · when · mode · next · escCommits · undo 
 });
 
 describe("쉼 · 명령 이름 · 별칭(2-5 ⑨ · 2-17 · N18)", () => {
+  it("앱 시작 = 쉼(선택 도구) — main.tsx 가 켜는 도구 · 「l ⏎」 = 첫 번째 점 지정", () => {
+    const main = readFileSync(
+      new URL("../../../B07_DesignDetail/openwebcad/src/main.tsx", import.meta.url),
+      "utf8",
+    );
+    const started = [...main.matchAll(/TOOL_STATE_MACHINES\[Tool\.(\w+)\]/g)].map((m) => m[1]);
+    expect(started).toEqual(["SELECT"]);
+    start(TOOL_STATE_MACHINES[Tool.SELECT]);
+    expect(activeTool()).toBe(Tool.SELECT);
+    const idle = promptLine();
+    expect(idle).not.toBe("첫 번째 점 지정:");
+    typeEnter("l");
+    expect(activeTool()).toBe(Tool.LINE);
+    expect(promptLine()).toBe("첫 번째 점 지정:");
+    key("Escape");
+    expect(promptLine()).toBe(idle);
+  });
+
   it("딱 맞음만 — R · LE · CIR · SE = 알 수 없는 명령 · l = LINE · ed = TEXTEDIT", () => {
     for (const text of ["r", "le", "cir", "se"]) {
       type(text);