Motivated by the 08-19 synthesis (SELFVERIFY_DESIGN_2026-08-18 §7-§9c): the
frontier factorizes into discovery x conversion x RETENTION, and retention is
the largest unaddressed leak — union-across-loops reach ≈ 2x the final
population in EVERY arm including the oracle control (61 vs 36), because
update: replace retains nothing between loops. The RT-cut targets conversion
(trace/restart); this cut ships the three… See the full description on the dataset page:
https://huggingface.co/datasets/tts-sft/round5-er-cells.
