from datetime import datetime, UTC
from pydantic import BaseModel, Field

class Album(BaseModel):
    id: str | None = None
    name: str
    description: str | None = None
    cover_asset_id: str | None = None
    generation_ids: list[str] = []
    created_at: datetime = Field(default_factory=lambda: datetime.now(UTC))
    updated_at: datetime = Field(default_factory=lambda: datetime.now(UTC))