A preregistered negative on representation-level conditioning: information that provably improves negotiation outcomes when delivered as prompt text has zero effect when delivered as distilled virtual tokens — even though the virtual-token channel closes about three quarters of the distributional gap it was trained to close.
Six copies of Qwen/Qwen3-8B negotiate a multi-issue deal. Each seat holds a private… See the full description on the dataset page:
https://huggingface.co/datasets/siddharthmb/2026.RA.NBS-Channel-Comparison.