from pydantic import BaseModel class ServerBase(BaseModel): cluster_name: str server_name: str api_url: str subscription_url: str | None = None inbound_id: str panel_type: str max_keys: int | None = None tariff_group: str | None = "" enabled: bool = True class ServerResponse(ServerBase): id: int class Config: from_attributes = True class ServerUpdate(BaseModel): cluster_name: str | None = None server_name: str | None = None api_url: str | None = None subscription_url: str | None = None inbound_id: str | None = None panel_type: str | None = None max_keys: int | None = None tariff_group: str | None = None enabled: bool | None = None class Config: from_attributes = True