Harden payment observability and polling

src/infrastructure/database/repositories/sbp_withdrawal_repository.py

@@ -84,14 +84,17 @@ class SbpWithdrawalRepository(ISbpWithdrawalRepository):
         return self._to_entity(model)
 
 
-    async def list_by_user_id(self,*,user_id: str,limit: int,offset: int) -> list[SbpWithdrawalEntity]:
+    async def list_by_user_id(self,*,user_id: str,limit: int,offset: int,cursor_created_at=None) -> list[SbpWithdrawalEntity]:
         stmt=(
             select(SbpWithdrawal)
             .where(SbpWithdrawal.user_id==user_id)
             .order_by(desc(SbpWithdrawal.created_at))
             .limit(limit)
-            .offset(offset)
         )
+        if cursor_created_at is not None:
+            stmt=stmt.where(SbpWithdrawal.created_at < cursor_created_at)
+        else:
+            stmt=stmt.offset(offset)
         result=await self._session.scalars(stmt)
         return [self._to_entity(model) for model in result.all()]