checkpoint: post-fedavg-1 — first paid training epoch (on-chain root 0x6568439a…802e, EpochFinalized block 1,135,138)

model card: add MMLU/GSM8K general benchmarks (base vs adapter) from the candle harness

Aether v7.1-unified: 10-Sephirot adapter on Qwen2.5-7B (+1.66% CE on Aether holdout, 9/9 domains, 0 regressions)

initial commit