tegwick
2806b3acb7
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T02 — all chance derives from one root seed. Three chance points, all reading it: the setup deck shuffle, the setup Lead draw, and the reshuffle permutation. The Problems deal is not chance at all. So in extensive-form terms the tree has a single chance node at the root. That test was wrong first, and the mutation caught it. It compared state hashes — and GroundState carries `seed` as a field, so "different seeds differ" was true by construction. Mutating the shuffle away left it green. It now compares the dealt configuration, and the same mutation fails it: a wrong-subject error inside the control written for T02. The reshuffle is a pure function of (seed, round) because K5 requires deterministic replay, where a real table reshuffles independently. That is a modelling restriction, not a defect, and it is now pinned. T03 — commit/reveal checked in both directions: before Reveal each seat sees its own selection and no other; after Reveal the information sets merge, because an encoding that hides forever is not commit/reveal either. T04 — ADR-0020 refuses the EFG port, and the blocker is T02 rather than T01, which inverts what the workplan expected. Perfect recall looked like the risk and is a constraint with a known answer: key on observation histories. Making chance explicit is the expensive one — the reshuffle would become a real chance node and break the K5 purity that every recording, replay bundle and trial-note hash depends on. A port would trade the property this project is built on for one it has never needed. Track B's first move is therefore a question, not a build: take "is exploitability meaningful for a co-operative game with a shared threshold" to OpenSpiel on a toy model, where answering it costs nothing. D4 states what being wrong looks like — OpenSpiel settling on a toy what three rounds of policy sweeps could not — and makes watching for it the next action. Taxonomy §4.1 records the EFG correspondence with the test that checks each row, so a later pass starts from a specification rather than a memory. Chaos window 4 at three declarations. Window 3's verdict is now two windows behind and should be evaluated rather than restated. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> |
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