feat/key-expiry-reminders/stop

Michael Granitzer

@mgrani

7efe93b6 · feat(keys): remind owners once, a week before a used key expires, unless opted out (1.4.252, K3) · Sep 26, 2026

feat/key-expiry-reminders: K1-K4 built and deployed on both clusters 2026-09-26; closed 2026-09-29 by owner decision CS-D12 (no 10-02 digest check). Root lane docs/lanes/lane_cronjob_and_security.md.