feat: BaseAPI의 launch()에 타입 지정

- APIRecoveryType이 명시

hwe/sammo/API/Betting/Bet.php

@@ -7,6 +7,7 @@ use DateTimeInterface;
 use sammo\Betting;
 use sammo\DB;
 use sammo\DTO\BettingItem;
+use sammo\Enums\APIRecoveryType;
 use sammo\Validator;
 use sammo\GameConst;
 use sammo\KVStorage;
@@ -39,7 +40,7 @@ class Bet extends \sammo\BaseAPI
         return static::REQ_GAME_LOGIN;
     }
 
-    public function launch(Session $session, ?DateTimeInterface $modifiedSince, ?string $reqEtag)
+    public function launch(Session $session, ?DateTimeInterface $modifiedSince, ?string $reqEtag): null | string | array | APIRecoveryType
     {
         /** @var int */
         $bettingID = $this->args['bettingID'];