fix(좌측 카드): 모든 좌측 카드 기본 닫힘 — 공용 카드 · 칸 틀 · 구조물 배치 · B07 묶음 · M02 구조물 집계 양식 (389-3)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QfHKQs7J3hQELKMWQMUJEy

B07_DesignDetail/B07_DesignDetail_UI_Development.ts

@@ -19,7 +19,7 @@ function shortLabel(label: string, kindName: string): string {
 export function buildDevelopmentSection(
   items: DesignDrawingItem[],
   makeButton: (drawing: DesignDrawingItem, label: string) => HTMLButtonElement,
-  collapsed = false,
+  collapsed = true,
 ): HTMLElement {
   const section = createPanelCard(`전개도 ${items.length}`, collapsed);
   section.classList.add("b07-drawing-group");

B07_DesignDetail/B07_DesignDetail_UI_Panels.ts

@@ -44,9 +44,6 @@ export const DRAWING_GROUPS: readonly {
   { label: "전개도", kind: "development" },
 ];
 
-/** 311 기본 접힘 묶음 — 그 밖 묶음(토적도 등)은 기본 펼침. */
-const FOLDED_KINDS = new Set(["plan", "longitudinal", "cross"]);
-
 /** 311 지금 목록의 묶음 접힘(kind → 접힘) — 화면을 다시 세울 때 이어 받음 · B07 목록이 없으면 빈 것. */
 export function foldedGroups(root: ParentNode): Map<string, boolean> {
   return new Map(
@@ -69,7 +66,7 @@ export function buildDrawingSidePanel(
   /** 311 다시 세울 때 옛 접힘(`foldedGroups`) — 없는 묶음은 기본값. */
   folded = new Map<string, boolean>(),
 ): HTMLDivElement {
-  const isFolded = (kind: string): boolean => folded.get(kind) ?? FOLDED_KINDS.has(kind);
+  const isFolded = (kind: string): boolean => folded.get(kind) ?? true; // 389-3 모든 묶음 기본 닫힘
   const panel = document.createElement("div");
   panel.className = "b07-drawing-list";
   const heading = document.createElement("div");

B07_DesignDetail/B07_DesignDetail_UI_PlanKinds.ts

@@ -257,7 +257,7 @@ export function buildPlanSection(
   items: DesignDrawingItem[],
   makeButton: (drawing: DesignDrawingItem, label: string) => HTMLButtonElement,
   onManage?: () => void,
-  collapsed = false,
+  collapsed = true,
 ): HTMLElement {
   // 컨테이너 = 좌측 패널 공용 카드(269)
   const section = createPanelCard(`평면도 ${items.length}`, collapsed);