`from dataclasses import field

from pydantic.dataclasses import dataclass
from pydantic import Field, field_validator

from .commonConfig import Ports, BaseConfig

@DataClass(frozen=True)
class ChapterWebSockets:
IN: Ports = field(default=Ports(8000, 8010))
OUT: Ports = field(default=Ports(8015, 8020))

@DataClass(frozen=True)
class ChapterShortKey:
open: str = field(default="shift+alt+o")

class ConfigApps(BaseConfig):
websockets: ChapterWebSockets
shortkey: ChapterShortKey`

выдаёт ошибку
pydantic_core._pydantic_core.ValidationError: 2 validation errors for ConfigApps websockets Field required [type=missing, input_value={}, input_type=dict] For further information visit https://errors.pydantic.dev/2.11/v/missing shortkey Field required [type=missing, input_value={}, input_type=dict] For further information visit https://errors.pydantic.dev/2.11/v/missing
как сделать чтобы использовал их значения по умолчанию