"""Domain entity: Child (per-child entitlement anchor)."""

from dataclasses import dataclass
from datetime import date, datetime
from uuid import UUID


@dataclass
class Child:
    id: UUID
    workspace_id: UUID
    name: str
    birth_date: date  # use expected_birth_date (due date) if unborn
    preschool_start_date: date | None = None  # drives the preschool-day reserve tip
    created_at: datetime | None = None