From f4f2f4b9afd4037700f8d34e5c526f9417f514e5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=B9=80=EB=B3=B4=EA=B3=A4?=
 <lightone2017@codebridge-x.com>
Date: Wed, 18 Mar 2026 22:31:08 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20[stocks]=20Server=20Action=20=EC=A7=81?=
 =?UTF-8?q?=EB=A0=AC=ED=99=94=20=EC=98=A4=EB=A5=98=20=EC=88=98=EC=A0=95=20?=
 =?UTF-8?q?(undefined=20=E2=86=92=20null)?=
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- Next.js Server Actions는 undefined 직렬화 불가
- bendingLot: undefined → null
- rawLotNo/fabricLotNo/material: undefined → null (via ??)
- itemId: undefined → null
---
 src/components/stocks/actions.ts | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/components/stocks/actions.ts b/src/components/stocks/actions.ts
index 953c199a..d93ebf9a 100644
--- a/src/components/stocks/actions.ts
+++ b/src/components/stocks/actions.ts
@@ -104,15 +104,15 @@ export interface StockOrder {
     prodCode: string;
     specCode: string;
     lengthCode: string;
-    rawLotNo?: string;
-    fabricLotNo?: string;
-    material?: string;
-  };
+    rawLotNo?: string | null;
+    fabricLotNo?: string | null;
+    material?: string | null;
+  } | null;
 }
 
 export interface StockOrderItem {
   id: string;
-  itemId?: number;
+  itemId?: number | null;
   itemCode: string;
   itemName: string;
   specification: string;
@@ -209,17 +209,17 @@ function transformApiToFrontend(apiData: ApiStockOrder): StockOrder {
       prodCode: bendingLotData.prod_code || '',
       specCode: bendingLotData.spec_code || '',
       lengthCode: bendingLotData.length_code || '',
-      rawLotNo: bendingLotData.raw_lot_no,
-      fabricLotNo: bendingLotData.fabric_lot_no,
-      material: bendingLotData.material,
-    } : undefined,
+      rawLotNo: bendingLotData.raw_lot_no ?? null,
+      fabricLotNo: bendingLotData.fabric_lot_no ?? null,
+      material: bendingLotData.material ?? null,
+    } : null,
   };
 }
 
 function transformItemApiToFrontend(apiItem: ApiStockOrderItem): StockOrderItem {
   return {
     id: String(apiItem.id),
-    itemId: apiItem.item_id ?? undefined,
+    itemId: apiItem.item_id ?? null,
     itemCode: apiItem.item_code || '',
     itemName: apiItem.item_name,
     specification: apiItem.specification || '',