in app/lib/Responsibility.scala [13:19]
def responsibilityAndRecencyFor(pr: PullRequest): String = {
val mergeToNow = java.time.Duration.between(pr.merged_at.get.toInstant, now)
val timeSinceMerge = mergeToNow.toPeriod().withMillis(0).toString(pf)
logger.info(s"mergedByOpt=${pr.merged_by} merged_at=${pr.merged_at}")
s"${createdByAndMergedByFor(pr)} $timeSinceMerge ago"
}