feat(Inventory): 實作批號溯源完整功能與 UI 呈現，包含文字敘述卡片與更完整的關聯屬性

resources/js/Pages/StoreRequisition/Show.tsx

@@ -175,15 +175,33 @@ export default function Show({ requisition, warehouses }: Props) {
     };
 
     const handleApprove = () => {
-        // 確認每個核准數量
+        // 確認每個核准數量與庫存上限
         for (const item of approvedItems) {
+            const originalItem = requisition.items.find(i => i.id === item.id);
+            if (!originalItem) continue;
+
             for (const batch of item.batches) {
                 if (batch.qty !== "") {
                     const qty = parseFloat(batch.qty);
                     if (isNaN(qty) || qty < 0) {
-                        toast.error("核准數量不能為負數");
+                        toast.error("核准數量不能為負數或無效數字");
                         return;
                     }
+
+                    // 檢查是否超過批號最大可用庫存
+                    if (batch.inventory_id && originalItem.supply_batches) {
+                        const originalBatch = originalItem.supply_batches.find(b => b.inventory_id === batch.inventory_id);
+                        if (originalBatch && qty > originalBatch.available_qty) {
+                            toast.error(`「${originalItem.product_name}」批號 ${originalBatch.batch_number || '無批號'} 數量不可大於庫存上限 (${originalBatch.available_qty})`);
+                            return;
+                        }
+                    } else if (batch.inventory_id === null) {
+                        // 無批號情境：檢查總可用庫存
+                        if (originalItem.supply_stock !== null && qty > originalItem.supply_stock) {
+                            toast.error(`「${originalItem.product_name}」數量不可大於供貨倉庫存上限 (${originalItem.supply_stock})`);
+                            return;
+                        }
+                    }
                 }
             }
         }