Promocode system

backend/app/models/__init__.py

@@ -17,6 +17,7 @@ from app.models.shop import ShopItem, ShopItemType, ItemRarity, ConsumableType
 from app.models.inventory import UserInventory
 from app.models.coin_transaction import CoinTransaction, CoinTransactionType
 from app.models.consumable_usage import ConsumableUsage
+from app.models.promo_code import PromoCode, PromoCodeRedemption
 
 __all__ = [
     "User",
@@ -62,4 +63,6 @@ __all__ = [
     "CoinTransaction",
     "CoinTransactionType",
     "ConsumableUsage",
+    "PromoCode",
+    "PromoCodeRedemption",
 ]