Logs on fallback ui preferences

client/ui/preferences/store.go

@@ -246,6 +246,11 @@ func (s *Store) ExistedAtLoad() bool {
 func (s *Store) load() error {
 	if _, err := os.Stat(s.path); err != nil {
 		if errors.Is(err, os.ErrNotExist) {
+			// Log the resolved path: a surprising directory here (e.g.
+			// /var/root/... when the GUI was launched with a stale HOME
+			// from a root installer) is the difference between a genuine
+			// first run and prefs silently read from the wrong place.
+			log.Infof("no ui preferences file at %s; using defaults", s.path)
 			return nil
 		}
 		return fmt.Errorf("stat preferences: %w", err)