By: Michael Lynch <git@mtlynch.io>
Add infallible RelativeOutputPath constructor from Filename A Filename is already validated, so converting one into a RelativeOutputPath cannot fail. Add NewRelativeOutputPathFromFilename and drop pathFor's error return in the importer, removing dead error handling at every call site. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>