date: Optional[date_type] = Query(None, description="Single day, YYYY-MM-DD"),
    date_from: Optional[date_type] = Query(None, alias="from"),
    date_to: Optional[date_type] = Query(None, alias="to"),
    groomer_id: Optional[uuid.UUID] = Query(None),
    user: User = Depends(current_active_user),
    session: AsyncSession = Depends(get_async_session),
):
    dt_from, dt_to = _resolve_date_range(date, date_from, date_to)
    if user.role in (Role.admin, Role.groomer):
        appts = await crud.list_all(
            session, date_from=dt_from, date_to=dt_to, groomer_id=groomer_id,
        )
    else:
        # Client: only their own; groomer_id filter is ignored for safety
        appts = await crud.list_for_client(
            session, user.id, date_from=dt_from, date_to=dt_to,
        )
    return await _enrich_appointments(session, appts)