feat: 공정실행 단일/다중품목 뱃지 + 품목타입 표시

- 단일품목: 회색 뱃지 [단일 · 제품]
- 다중품목: 파랑 뱃지 [다중 1/2 · 반제품]
- 리워크: 주황 뱃지 유지 (기존)
- item_info.type으로 품목타입(제품/반제품/원재료/부재료) 표시
- workInstructionController: getList에 item_type 추가
- WorkOrderList: multiBatchInfo useMemo로 단일/다중 판단
- ProcessWork: batchBadge로 헤더에 뱃지 표시

backend-node/src/controllers/workInstructionController.ts

@@ -86,6 +86,7 @@ export async function getList(req: AuthenticatedRequest, res: Response) {
         d.source_id,
         d.routing_version_id AS detail_routing_version_id,
         COALESCE(itm.item_name, '') AS item_name,
+        COALESCE(itm.type, '') AS item_type,
         COALESCE(itm.size, '') AS item_spec,
         COALESCE(e.equipment_name, '') AS equipment_name,
         COALESCE(e.equipment_code, '') AS equipment_code,
@@ -97,7 +98,7 @@ export async function getList(req: AuthenticatedRequest, res: Response) {
       INNER JOIN work_instruction_detail d
         ON d.work_instruction_no = wi.work_instruction_no AND d.company_code = wi.company_code
       LEFT JOIN LATERAL (
-        SELECT item_name, size FROM item_info
+        SELECT item_name, size, type FROM item_info
         WHERE item_number = d.item_number AND company_code = wi.company_code LIMIT 1
       ) itm ON true
       LEFT JOIN equipment_mng e ON wi.equipment_id = e.id AND wi.company_code = e.company_code