Show periodic rclone progress and remote verification phases

usr-local-sbin/app-backup.sh

@@ -98,8 +98,11 @@ echo "-- Complete local backup: $RUN_DIR"
 if [[ $ENABLE_UPLOAD == true ]]; then
   remote_run="${RCLONE_REMOTE_BASE%/}/$RUN_ID"
   # Upload COMPLETE last. An interrupted upload cannot look like a valid set.
+  echo '-- Remote upload started (archives and manifest; completion marker withheld)'
   rc copy "$RUN_DIR" "$remote_run" --exclude /COMPLETE --exclude /UPLOADED --immutable
+  echo '-- Remote upload finished; reading all uploaded files back for verification'
   rc check "$RUN_DIR" "$remote_run" --download --exclude /COMPLETE --exclude /UPLOADED
+  echo '-- Remote readback passed; publishing completion marker'
   rc copyto "$RUN_DIR/COMPLETE" "$remote_run/COMPLETE" --immutable
   marker=$(rc cat "$remote_run/COMPLETE")
   [[ $marker == "$(cat "$RUN_DIR/COMPLETE")" ]] || die 'Remote completion marker mismatch'