feat(wip): 경매 입찰 기능

hwe/sammo/DTO/AuctionBidItem.php

@@ -3,12 +3,14 @@
 namespace sammo\DTO;
 
 use sammo\DTO\Attr\JsonString;
+use sammo\DTO\Attr\NullIsUndefined;
 use sammo\DTO\Attr\RawName;
 
 class AuctionBidItem extends DTO
 {
   public function __construct(
-    public int $id,
+    #[NullIsUndefined]
+    public ?int $id,
     #[RawName('auction_id')]
     public int $auctionID,
     public ?int $owner,

hwe/sammo/DTO/AuctionBidItemData.php

@@ -2,11 +2,16 @@
 
 namespace sammo\DTO;
 
+use sammo\DTO\Attr\NullIsUndefined;
+
 class AuctionBidItemData extends DTO
 {
   public function __construct(
-    public string $ownerName,
+    #[NullIsUndefined]
+    public ?string $ownerName,
     public string $generalName,
+    #[NullIsUndefined]
+    public ?int $priority,
   ) {
   }
 }

hwe/sammo/DTO/AuctionInfo.php

@@ -13,6 +13,8 @@ class AuctionInfo extends DTO
 		public string $type,
 		public bool $finished,
 		public ResourceType $reqResource,
+		public int $minAmount,
+		public ?int $buyImmediatelyAmount,
 		public string $openDate,
 		public string $closeDate,
 	) {