feat(M01): 거름 컨테이너 펼치면 전체 · 닫아도 거름·찾기·쪽 유지

- 인력·기계·소요량·계수·로직 펼치면 전체(또는 닫기 전 거름)가 바로 열림
- 닫을 때는 화면 그대로 · 컨테이너마다 찾기 글·쪽을 sessionStorage 에 따로 기억

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_016WRFJmmhPi4exAzHgPZHMT

M01_MasterData/M01_MasterData_UI_Rows.ts

@@ -6,7 +6,7 @@
 import { createButton, el, showToast } from "@ui/ui_template_elements";
 import { t as L } from "@ui/ui_template_locale";
 import { openPickModal } from "./M01_MasterData_UI_Pick";
-import type { Pick } from "./M01_MasterData_UI_Side";
+import { saveView, type Pick } from "./M01_MasterData_UI_Side";
 import { fetchRows, type Row, type RowsPage } from "./M01_MasterData_Api_Fetch";
 import {
   addRow,
@@ -92,7 +92,7 @@ const remember = (ref: string | null, name?: string): void => {
 export function renderRows(host: HTMLElement, pick: Pick, q: string): () => void {
   const { sub, detail, state } = pick;
   const file = pick.file.file;
-  let page = 1;
+  let page = pick.view?.page ?? 1;
   let data: RowsPage | null = null;
   let unlinked = false;
 
@@ -235,6 +235,7 @@ export function renderRows(host: HTMLElement, pick: Pick, q: string): () => void
     try {
       data = await fetchRows(file, page, SIZE, q, unlinked, sub, detail, state);
       for (const [key, name] of Object.entries(data.refs ?? {})) names.set(key, name);
+      saveView(pick.group, { page: data.page });
       paint();
     } catch (error) {
       showToast(error instanceof Error ? error.message : L("M01_LoadFailed"), "error");