закупы в бэк

src/usecase/__init__.py

@@ -174,8 +174,12 @@ class Database(typing.Protocol):
         invite_link_type: domain.purchase.InviteLinkType,
         *,
         status: domain.PurchaseChannelStatus | None = None,
-        planned_cost: float | None = None,
         comment: str | None = None,
+        placement_at: datetime.datetime | None = None,
+        cost_type: domain.purchase.CostType | None = None,
+        cost_value: float | None = None,
+        cost_before_bargain: float | None = None,
+        format: str | None = None,
     ) -> domain.PurchaseChannel: ...
 
     async def update_purchase_channel(self, purchase_channel: domain.PurchaseChannel) -> None: ...