Implement server-side pagination for order summaries, plans, and shipping orders

- Added pagination parameters (page and size) to the getOrderSummary and getPlans functions in the productionController.
- Updated the getList function in shippingOrderController and shippingPlanController to support server-side pagination.
- Modified frontend components to handle pagination state and display total counts for orders and plans.
- Ensured compatibility with existing functionality by maintaining behavior when pagination is not used.

frontend/components/common/TimelineScheduler.tsx

@@ -70,6 +70,8 @@ export interface TimelineSchedulerProps {
   onEventMove?: (eventId: string | number, newStartDate: string, newEndDate: string) => void;
   /** 리사이즈 완료 */
   onEventResize?: (eventId: string | number, newStartDate: string, newEndDate: string) => void;
+  /** 표시 기간(이전/다음/오늘 또는 줌 변경) 변경 시 호출 — 부모가 데이터 재조회 등에 사용 */
+  onRangeChange?: (startDate: string, endDate: string) => void;
   /** 상태별 색상 배열 */
   statusColors?: StatusColor[];
   /** 진행률 바 표시 여부 */
@@ -191,6 +193,7 @@ export default function TimelineScheduler({
   onEventClick,
   onEventMove,
   onEventResize,
+  onRangeChange,
   statusColors = DEFAULT_STATUS_COLORS,
   showProgress = true,
   showMilestones = true,
@@ -249,6 +252,14 @@ export default function TimelineScheduler({
     return arr;
   }, [baseDate, config.spanDays]);
 
+  // 표시 범위 변경 시 부모에 알림 (데이터 재조회 트리거용)
+  useEffect(() => {
+    if (!onRangeChange) return;
+    const start = toDateStr(baseDate);
+    const end = toDateStr(addDays(baseDate, config.spanDays - 1));
+    onRangeChange(start, end);
+  }, [baseDate, config.spanDays, onRangeChange]);
+
   const totalWidth = config.cellWidth * config.spanDays;
 
   // 충돌 ID 집합