Spring @Scheduled Transactional Email with Rovela (2026): Cron + Idempotency-Key per Window
Wire Spring @Scheduled cron methods to Rovela POST /emails with server-only sending_access and a window-scoped Idempotency-Key for digests and ops reports.
Wire Spring @Scheduled cron methods to Rovela POST /emails with server-only sending_access and a window-scoped Idempotency-Key for digests and ops reports.