cells/step_22_summary.md

Cell 22 — Markdown Summary Table (Baseline → Final)

print_summary_table(baseline, final) returns the multi-section markdown summary that ships in the HF blog and DESIGN.md §15 pitch:

1. Per-reward (mean + 95% CI) — baseline → final → paired Δ with CI.
2. Per-language — baseline reward_mean → final → Δ.
3. Drift-detection latency — Stage 2/3 p50/p95 before vs after.
4. Reward-hacking offenses — per-class baseline → final counts.

Contract: evaluation.md §3.3, §3.4, §3.5; DESIGN.md §13 deliverables #6 / #7. Numeric cells round to 3 decimals (latency to 2). Paired Δ pulled from final.breakdown['paired_ci'] (populated by eval_final in step_19).