from datetime import datetime, timezone


def utcnow() -> datetime:
    """Naive UTC now, via the non-deprecated API.

    Every datetime column in the schema is TIMESTAMP WITHOUT TIME ZONE, so the
    whole app speaks naive-UTC. Replacing datetime.utcnow() call sites with
    this helper removes the Python 3.12 deprecation without changing any
    stored value or comparison. When the columns move to TIMESTAMPTZ
    (Phase 2), this becomes `datetime.now(timezone.utc)` and the type change
    happens in exactly one place.
    """
    return datetime.now(timezone.utc).replace(tzinfo=None)