/**
 * End-user listings must only show gas stations approved by admin.
 * Legacy documents without approvalStatus are treated as approved.
 */
export function gasStationApprovedForAppFilter(): Record<string, unknown> {
  return {
    isActive: true,
    $or: [
      { approvalStatus: "approved" },
      { approvalStatus: { $exists: false } },
    ],
  };
}