Remark. Public task data and evaluator-only information [ftip-001V]
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    The inference protocol receives only the information designated as public. The public instance \(x\) may include a prompt, tools, and a response schema. Evaluator-only information may include a reference answer, hidden tests, a simulator state, or the evaluator seed \(\omega \). The protocol in Definition [ftip-001R] receives the former and not the latter.

    If evaluator-only information influences training, decoding, or candidate selection, the experiment no longer measures performance under the declared information interface. A theorem that assumes an independent evaluator must name the sigma-field or finite data record from which the protocol is excluded.