docs(EXPERIMENTS): E1 corrected-artifact sweep verdict — heb outlier 9.34% -> 0.29% flips - #111
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August 31, 2026 18:59
…ts again 'AttributeError: list object has no attribute split' on every plain 'modal run src/gpu/modal_export.py --model X' — the un-suffixed entrypoint has been broken since export_model learned to split; parity/margins/rebuild_int8 paths were unaffected.
…9.34% flips -> 0.29% (32x) with head-fp32 All four shipped int8 artifacts rebuilt body-int8/head-fp32 and gated through the full stack (parity in-zip, margins, confident-flip budget <=1%). The outlier that motivated E1 — heb-diac-1.1 int8 at 9.34% flips, 80% at confident positions — lands at 0.29% flips and ~zero confident flips at +0.4% size. Swap-in options (in-place + index-v2 vs parallel -int8-head32 ids) recorded as an owner decision; tha-g2p-small in flight.
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Completes E1's arc: all four shipped int8 artifacts rebuilt body-int8/head-fp32 and gated through the full stack (parity in-zip, margins, confident-flip budget). The heb-diac-1.1 outlier that motivated the investigation lands at 0.29 percent flips (from 9.34 percent, 32x) with ~zero confident flips at +0.4 percent size. Includes the two infra fixes found en route (refresh_member_shas PR #99; double-split entrypoint PR #109) and records the swap-in options as an owner decision (in-place + index-v2 vs parallel -int8-head32 ids). tha-g2p-small in flight.