From 6d46dda543db1d38b25a74ee5e087d72be6b47af Mon Sep 17 00:00:00 2001
From: umsangdon <umsangdon@gmail.com>
Date: Sun, 4 Oct 2026 20:19:31 +0900
Subject: [PATCH] =?UTF-8?q?fix(M02):=20=EC=A0=80=EC=9E=A5=20=EC=95=88=20?=
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39-5 예외 — 고침이 말없이 버려지지 않게.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016PSXsvyDxjNmufteN5bqmt
---
 M02_MasterTemplete/M02_MasterTemplete_Structure.ts | 2 ++
 M02_MasterTemplete/M02_MasterTemplete_UI_Page.ts   | 5 +++--
 resources/tester/test_m02_layer_screen.py          | 2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/M02_MasterTemplete/M02_MasterTemplete_Structure.ts b/M02_MasterTemplete/M02_MasterTemplete_Structure.ts
index 5e3d5baff..36da5cb24 100644
--- a/M02_MasterTemplete/M02_MasterTemplete_Structure.ts
+++ b/M02_MasterTemplete/M02_MasterTemplete_Structure.ts
@@ -453,6 +453,8 @@ export function createStructurePanel(opts: StructurePanelOptions): StructurePane
     const word = PART_WORD[kind];
     const toNo = to && numbers[to.id]?.[PART_FIELD[kind]];
     if (!to || !toNo) return void showToast(TEXT.saveFirst, "error");
+    // 카드에 저장 안 한 고침 — 가져온 뒤 카드를 다시 읽어 버려지니 먼저 물음
+    if (cards.dirty() && !(await showConfirmDialog(TEXT.discardCards))) return;
     const target = `${toNo} ${columnHead(to)}`;
     const here = { layer: getActiveLayer(), owner: getActiveOwner() };
     const same = (from: From): boolean => from.layer === here.layer && from.owner === here.owner;
diff --git a/M02_MasterTemplete/M02_MasterTemplete_UI_Page.ts b/M02_MasterTemplete/M02_MasterTemplete_UI_Page.ts
index efc277f22..bb62f06db 100644
--- a/M02_MasterTemplete/M02_MasterTemplete_UI_Page.ts
+++ b/M02_MasterTemplete/M02_MasterTemplete_UI_Page.ts
@@ -139,7 +139,7 @@ export async function renderM02MasterTemplate(root: HTMLElement): Promise<Mounte
       top: readOnlyBar?.root,
       search: tree.search,
       // 「새 항목」(30-5) — 제목 줄 오른쪽 끝 · 쓸 수 있는 층만 · 상세 칸에 [새로 만들기] [복사 생성](39-5)
-      ...(canEdit(layer, isAdmin) ? { newItem: newItemButton(() => openNew()) } : {}),
+      ...(canEdit(layer, isAdmin) ? { newItem: newItemButton(() => void openNew()) } : {}),
       onColumn: (column) => {
         readOnlyBar?.setColumn(column);
         tree.select(column);
@@ -155,7 +155,8 @@ export async function renderM02MasterTemplate(root: HTMLElement): Promise<Mounte
   );
   /** 새 구조물 조합(39-5 · 답 2) — 새로 만들기 = 나무 「항목 추가」 창 · 복사 생성 = 탭 + 목록 →
    * 지금 보는 층 · 나무에서 고른 폴더(없으면 맨 위) · 원래 이름(겹치면 「(2)」) · 새 키 · 새 번호 */
-  const openNew = (): void => {
+  const openNew = async (): Promise<void> => {
+    if (!(await main.confirmLeave())) return; // 집계표 · 카드에 저장 안 한 고침 — 버릴지 물음
     const where = (): string => tree.folder().join(" / ") || L("M02_TreeTop");
     main.showView(
       L("M02_TreeNewItem"),
diff --git a/resources/tester/test_m02_layer_screen.py b/resources/tester/test_m02_layer_screen.py
index ce9c04253..778e9787d 100644
--- a/resources/tester/test_m02_layer_screen.py
+++ b/resources/tester/test_m02_layer_screen.py
@@ -306,7 +306,7 @@ def test_구조물_조합_제목_줄_새_항목():
     )
     assert "if (extras.newItem) extras.newItem.hidden = !combo;" in main
     page = _text(M02 / "M02_MasterTemplete_UI_Page.ts")
-    assert "...(canEdit(layer, isAdmin) ? { newItem: newItemButton(() => openNew()) } : {})" in page
+    assert "...(canEdit(layer, isAdmin) ? { newItem: newItemButton(() => void openNew()) } : {})" in page
     panel = _text(M02 / "M02_MasterTemplete_TreePanel.ts")
     assert 'return at?.kind === "folder" ? at.path : [];' in panel  # 고른 폴더(39-5 folder())
     assert "const newItem = (): void => void addItem(folder());" in panel