Structured action interfaces anchor embodied world models
The prior daily signal around action-relevant state continues, but today’s five papers apply structure more directly to world modeling.
Topic summary
Real To Sim
Counterfactual and trace-based tests for robot world models
Replayable episode twins can supply counterfactual supervision that recorded robot videos lack, while spatial traces can turn whole-episode replay failures into repairable alignment, contact, and dynamics errors.