Validates the cron schedule and logs the next scheduled run time.
Unlike the previous implementation, this function never terminates the process — the bootstrap caller decides how to react to an invalid cron.
Cron expression string to validate.
Procedure with the parsed next-run timestamp, or failure.
Validates the cron schedule and logs the next scheduled run time.
Unlike the previous implementation, this function never terminates the process — the bootstrap caller decides how to react to an invalid cron.