const REAGENT_SIG_MAX_AGE_SECS: i64 = 600;Expand description
Anti-replay window for req.reagent_ts_secs, same purpose as
JEKT_SIG_MAX_AGE_SECS above but WAN-scoped: wider than host-tier’s
300s because this covers real network delivery latency, not a
same-machine call — matches cloud_subscriber::REAGENT_SIG_MAX_AGE_SECS
(the WS delivery path’s own constant of the same value) and the review
notifications’ own delivery window.