zspace: Fisher-Z entry tax without materializing z (ZGamma codes) + binomial Hamming null; batch Welford recovered from #323 - #325

Merged

AdaWorldAPI merged 8 commits into

claude/llvm-codegen-polyfill-gni3cw

Sep 24, 2026

Commits on Sep 23, 2026

statistics: moments_u32 + Cascade::observe_batch — batch Welford
claude
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90f1128
simd: re-export moments_u32 / MomentsU32 from the facade
claude
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414aa8e
zspace: the Fisher-Z entry point and the binomial Hamming null
claude
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7bb45fb
reliability: FidelityReport pays the Fisher-Z entry tax
claude
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b8babbd
zspace: z is never materialized — ZGamma envelope encodes cosine straight to i8 codes
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bb14de6
zspace: round, symmetric ±127, reserve -128 as the NaN code
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fd45c89
zspace: ZGamma codes are bit-exact on every target — deterministic ln
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f2a461a
wasm-simd-parity: pin ZGamma codes digest under node
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aa3dfd7