pub async fn claim_linking_mails_batch(
conn: &mut PgConnection,
people: &[DiscoveredPerson],
) -> ModelResult<Vec<ClaimedLinkingMails>>Expand description
Claims one slot and one unbound token per person and address, dedup before rate cap and the
allowance spent left to right. Returns one outcome per input, in order; a claimed slot means a
mail the link-emails phase still owes.