- FontStore::remove_files only touches names the family's manifest entry
lists and that are safe file names.
- A user source's folder carries a hash of its full ID, so sources whose
IDs slug alike don't share a folder.
- The download dialog and the sidebar note name the family's own source,
and the server for a source the user added.
- The face cache takes out only faces the last frame didn't draw.
- The catalog test lists missing translations instead of failing.
- ATTRIBUTION lists the three bundled craft-font-index files.