validation/detsample: Go chain-validator for reproducible sampling (Stage-1 replay)#1448

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bonujel wants to merge 11 commits into

gonka-ai:mainfrom

bonujel:bonujel/deterministic_sampling_merged

Commits on Jul 14, 2026

validation: add deterministic-sampling conformance vectors + Go harness
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validation/detsample: Go RNG + integer categorical sampler (contract §5/§6)
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validation/detsample: Go decimal pipeline — full cross-language parity proven
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validation: repoint conformance-replay pointer to ./detsample (gate now passing)
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validation/detsample: Go chain-bound seed derivation + cross-language parity
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validation/detsample: validator-facing replay API with three-valued verdict
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validation/detsample: close review gaps (rejection-path coverage, temp guard)
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go.mod: promote cockroachdb/apd/v2 to a direct dependency (review #3)
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chore(validation): drop design docs from PR (kept in dev_notes / gist)
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Commits on Jul 15, 2026