feat(WEB): DevToolbar - 견적→수주→작업지시→출하 테스트 자동화 도구

- DevFillContext: 전역 상태 관리 (활성화/페이지 타입/폼 채우기 함수)
- DevToolbar: 플로팅 UI 컴포넌트 (토글/자동 채우기 버튼)
- useDevFill: 각 폼에서 자동 채우기 함수 등록 커스텀 훅
- 데이터 생성기: 견적/수주/작업지시/출하 샘플 데이터
- 환경변수 제어: NEXT_PUBLIC_DEV_TOOLBAR_ENABLED로 On/Off
- 통합: QuoteRegistration, OrderRegistration, WorkOrderCreate, ShipmentCreate
- Hydration 불일치 방지: useState 초기값 false + useEffect 패턴

src/components/outbound/ShipmentManagement/ShipmentCreate.tsx

@@ -37,6 +37,9 @@ import type {
   VehicleTonnageOption,
 } from './types';
 import { isNextRedirectError } from '@/lib/utils/redirect-error';
+import { toast } from 'sonner';
+import { useDevFill } from '@/components/dev';
+import { generateShipmentData } from '@/components/dev/generators/shipmentData';
 
 // 고정 옵션 (클라이언트에서 관리)
 const priorityOptions: { value: ShipmentPriority; label: string }[] = [
@@ -115,6 +118,38 @@ export function ShipmentCreate() {
     loadOptions();
   }, [loadOptions]);
 
+  // DevToolbar 자동 채우기
+  useDevFill(
+    'shipment',
+    useCallback(() => {
+      // lotOptions를 generateShipmentData에 전달하기 위해 변환
+      const lotOptionsForGenerator = lotOptions.map(o => ({
+        lotNo: o.value,
+        customerName: o.customerName,
+        siteName: o.siteName,
+      }));
+
+      const logisticsOptionsForGenerator = logisticsOptions.map(o => ({
+        id: o.value,
+        name: o.label,
+      }));
+
+      const tonnageOptionsForGenerator = vehicleTonnageOptions.map(o => ({
+        value: o.value,
+        label: o.label,
+      }));
+
+      const sampleData = generateShipmentData({
+        lotOptions: lotOptionsForGenerator,
+        logisticsOptions: logisticsOptionsForGenerator,
+        tonnageOptions: tonnageOptionsForGenerator,
+      });
+
+      setFormData(sampleData);
+      toast.success('[Dev] 출하 폼이 자동으로 채워졌습니다.');
+    }, [lotOptions, logisticsOptions, vehicleTonnageOptions])
+  );
+
   // 폼 입력 핸들러
   const handleInputChange = (field: keyof ShipmentCreateFormData, value: string) => {
     setFormData(prev => ({ ...prev, [field]: value }));