pub fn newest_event(path: &Path) -> Option<(DateTime<Utc>, Option<PathBuf>)>Expand description
Read up to ~64 KiB from the end of path, find the newest line that
parses as JSON with a timestamp field, and return both the timestamp and
the optional cwd field from that same event (parsed in a single pass).
Returns None for empty files, files containing only metadata events
without timestamp, or unreadable / unparseable files.