feat: rename game to ModBison and currency to Buffalo Chips

backend/app/services/payout.py

@@ -87,11 +87,11 @@ class PayoutService:
         """Create a new payout request after reserving funds from available creator balance."""
         if amount < MIN_PAYOUT_AMOUNT:
             raise InvalidPayoutAmountError(
-                f"Minimum payout amount is {MIN_PAYOUT_AMOUNT} Credits"
+                f"Minimum payout amount is {MIN_PAYOUT_AMOUNT} Buffalo Chips"
             )
         if amount > MAX_PAYOUT_AMOUNT:
             raise InvalidPayoutAmountError(
-                f"Maximum payout amount is {MAX_PAYOUT_AMOUNT} Credits"
+                f"Maximum payout amount is {MAX_PAYOUT_AMOUNT} Buffalo Chips"
             )
 
         requester = requested_by if requested_by is not None else creator_id
@@ -100,7 +100,7 @@ class PayoutService:
         cb = await PurchaseService.get_or_create_creator_balance(db, creator_id, for_update=True)
         if cb.available < amount:
             raise InsufficientCreatorBalanceError(
-                f"Insufficient available balance: {cb.available} CR available, {amount} CR requested"
+                f"Insufficient available balance: {cb.available} Buffalo Chips available, {amount} Buffalo Chips requested"
             )
 
         # Reserve funds: move from available to pending