- stop() restores the original predict_action_chunk so the policy object is
not left permanently patched after the engine goes away
- snapshot the chunk anchor with clone() (guarded against None on the first
tick) so it survives any future in-place mutation of the cached state
- document the engine->step action_names lazy-fill and the torch.compile
ordering the probe relies on
- add tests for reset() re-anchoring across episodes and stop() probe restore
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Maxime Ellerbach
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