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Train strict grounded MicroDuck backrolls - #32

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ceddc wants to merge 287 commits into
pollen-robotics:mainfrom
ceddc:codex/roll-sprint-frontier-race
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ceddc wants to merge 287 commits into
pollen-robotics:mainfrom
ceddc:codex/roll-sprint-frontier-race

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@ceddc

@ceddc ceddc commented Sep 2, 2026

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Implements the accumulated MicroDuck training stack and the latest strict grounded-backroll intervention. The newest revision uses physically captured 100/140-degree sagittal entry states, penalizes persistent rounded-head stalls, and rewards signed progress toward flat head-top alignment without weakening ordered trunk-to-head-to-feet success gates.\n\nValidation:\n- 68 focused backroll tests passed\n- Targeted Ruff checks passed\n- Mandatory 64-env x 5-iteration GPU smoke passed\n- Actor observation 61D and action 14D\n- Zero NaN and out-of-bounds terminations in smoke\n\nLatest commit: cd2d81e

ceddc added 30 commits August 29, 2026 13:44
ceddc added 30 commits September 2, 2026 09:02
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