// WhatsAppState holds the state file: the send records, and the batches of the
// WhatsApp messages that are not in the log yet, open and closed, in the order
// of their first message. The messages of one chat form one batch while the
// WhatsAppState holds the state file: the send records, and the batches of the
// WhatsApp messages that are not in the log yet, open and closed, in the order
// of their first message. The messages of one chat form one batch while the