Clear OTP SSL PEM cache between listener terminate/restart so reloaded
certs are read from disk instead of serving stale cached data. Make
reconcile_worker idempotent to prevent unnecessary worker churn when
put_server is followed by start_server. Add request timeouts to
RelayInfoClient to prevent hanging connections.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>