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fix(admission): remember hub proof verdicts per proof, not per device - #428
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A hub directory event can carry more than one proof for the same device at once. The verdict cache held a single slot per kind and device, so each proof evicted the other and every event verified all of them again, once per trusted issuer. The cache is now keyed by kind, device and proof.
Mearman
marked this pull request as ready for review
October 19, 2026 12:17
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Hub directory events can carry several proofs for one device, and the admission verdict cache kept a single slot per kind and device, so alternating proofs evicted each other and were verified again on every event, against every trusted issuer. A live bridge on a busy local mesh spent most of its CPU time in this verification. The cache is now keyed by kind, device and proof; a test covers two proofs for one device arriving in alternation.