Add FineWeb-Edu agent run results (101 experiments, Mar 17 2026)
First multi-dataset experiment. 101 autonomous experiments on FineWeb-Edu
achieving val_bpb=1.2951 (8.1% improvement). Key finding: optimal config
is dataset-dependent — FineWeb-Edu prefers AR=32 (half width) with 2x
more gradient steps vs climbmix's AR=64.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>