Code cleanup
Change-Id: I084eb212ae4a1fdbc563e686ea6c9de55fc75914
diff --git a/man/format_duration.Rd b/man/format_duration.Rd
new file mode 100644
index 0000000..ce811c0
--- /dev/null
+++ b/man/format_duration.Rd
@@ -0,0 +1,25 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/logging.R
+\name{format_duration}
+\alias{format_duration}
+\title{Format duration in seconds to human-readable format}
+\usage{
+format_duration(seconds)
+}
+\arguments{
+\item{seconds}{numeric duration in seconds}
+}
+\value{
+character string with formatted duration
+}
+\description{
+Converts a duration in seconds to a formatted string with days, hours, minutes, and seconds.
+Used for ETA calculations and progress reporting.
+}
+\examples{
+\dontrun{
+format_duration(3661) # "01h 01m 01s"
+format_duration(86461) # "1d 00h 01m 01s"
+}
+}
+\keyword{internal}