feat(contract): Vsa16kF32 switchboard carrier + 16K algebra#253
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Ships the Click-native 16,384-D f32 VSA carrier as a first-class CrystalFingerprint variant with six algebra primitives. New in crystal/fingerprint.rs: - CrystalFingerprint::Vsa16kF32(Box<[f32; 16_384]>) — 64 KB, inside-BBB only, 1:1 bit-addressable with Binary16K - vsa16k_zero() — allocate zeroed carrier - binary16k_to_vsa16k_bipolar() — bit → ±1.0 (lossless) - vsa16k_to_binary16k_threshold() — >0 → bit set (inverse) - vsa16k_bind() — element-wise multiply (role assignment) - vsa16k_bundle() — element-wise add (CK-safe superposition) - vsa16k_cosine() — similarity on the 16K carrier - to_vsa10k_f32() arm for Vsa16kF32 → 10K downcast - byte_size() arm (65_536 bytes) - 7 new tests (16 total in module): byte_size, bipolar roundtrip, bipolar values, bind self-inverse, bundle similarity, bundle-then-unbind role recovery, 16K→10K projection finiteness Exported from crystal::mod re-exports. All 174 contract tests pass, 11 callcenter tests pass. No regressions. This is expansion-list item #1 from the SoAReview sweep (PR #252). The type must exist before FingerprintColumns.cycle can migrate from Box<[u64]> to the f32 carrier (PR B, next). Board-hygiene (same commit): - LATEST_STATE.md crystal/ inventory updated - EPIPHANIES.md prepended with Vsa16kF32 FINDING entry https://claude.ai/code/session_01SbYsmmbPf9YQuYbHZN52Zh
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Summary
CrystalFingerprint::Vsa16kF32(Box<[f32; 16_384]>)— the Click-native 64 KB switchboard carrier per CLAUDE.md §The Click and I-VSA-IDENTITIES iron rule.vsa16k_zero,binary16k_to_vsa16k_bipolar,vsa16k_to_binary16k_threshold,vsa16k_bind,vsa16k_bundle,vsa16k_cosine.to_vsa10k_f32()andbyte_size()for the new variant. Exports fromcrystal::mod.Context
This is expansion-list item #1 from the SoAReview sweep (PR #252 §6). The carrier type must exist before
FingerprintColumns.cycleincognitive-shader-driver::bindspacecan migrate fromBox<[u64]>(Binary16K) to the f32 carrier.Inside-BBB only.
Vsa16kF32does NOT crossExternalMembrane. The Arrow-scalar commit tier uses Binary16K (Index regime) or CAM-PQ scent (Argmax regime).What changed
crystal/fingerprint.rscrystal/mod.rs.claude/board/LATEST_STATE.md.claude/board/EPIPHANIES.mdTest plan
cargo test -p lance-graph-contract --lib— 174 pass, 0 failcargo test -p lance-graph-callcenter --lib— 11 pass, 0 failbinary16k_to_vsa16k_bipolarroundtrip is lossless (strict ±1 → threshold)vsa16k_bindis self-inverse for bipolar keysvsa16k_bundlethen unbind recovers role-bound content above noise floorvsa16k_to_vsa10kprojection produces finite valueshttps://claude.ai/code/session_01SbYsmmbPf9YQuYbHZN52Zh
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