Function getSlugFromLog

restored-src/src/utils/plans.ts:149–151

* Extract the plan slug from a log's message history.

(log: LogOption)

 * Extract the plan slug from a log's message history.
 */
function getSlugFromLog(log: LogOption): string | undefined {
  return log.messages.find(m => m.slug)?.slug
}

/**
 * Restore plan slug from a resumed session.