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plan(codec-sweep) + D0.6/D0.7: lab-infra sweep plan + CodecParams types #225

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Merged
AdaWorldAPI merged 9 commits into from
Apr 20, 2026
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plan(codec-sweep) + D0.6/D0.7: lab-infra sweep plan + CodecParams types #225

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c2058c0
plan(codec-sweep): JIT-first sweep via lab infra + index entry
claude Apr 20, 2026
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plan(codec-sweep): JIT Kernel Contract — array_window + ndarray::simd…
claude Apr 20, 2026
389f6f7
plan(codec-sweep): verified ndarray surface; SoA wiring; no ndarray c…
claude Apr 20, 2026
9f1e5af
plan(codec-sweep): iron rule — SoA never scalarises without ndarray
claude Apr 20, 2026
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plan(codec-sweep): Rule E — Wire surface IS the SIMD surface (object-…
claude Apr 20, 2026
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plan(codec-sweep): Rule F — serialisation at the edge only, never inside
claude Apr 20, 2026
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plan(codec-sweep): appendix A — starter YAML configs per Rule D/E/F
claude Apr 20, 2026
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plan(codec-sweep): audit vs CODING_PRACTICES.md (EmbedAnything patterns)
claude Apr 20, 2026
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D0.6 + D0.7: CodecParams + CodecParamsBuilder + precision-ladder vali…
claude Apr 20, 2026
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13 changes: 13 additions & 0 deletions .claude/board/INTEGRATION_PLANS.md
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Expand Up @@ -36,6 +36,19 @@

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## v1 — Codec Sweep via Lab Infra, JIT-first (authored 2026-04-20)

**Author:** main-thread session 2026-04-20
**Scope:** Operationalise PR #220's "What's Needed to Fix" list (wider codebook / residual PQ / Hadamard pre-rotation / OPQ) as a parameter sweep through the lab endpoint, with every codec candidate difference expressed as a JIT-compiled kernel rather than a cargo rebuild — one upfront API hardening rebuild, unlimited candidates afterwards.
**Path:** `.claude/plans/codec-sweep-via-lab-infra-v1.md` (396 lines)
**Deliverables:** D0.1 `CodecParams` in `WireCalibrate`, D0.2 `WireTokenAgreement` endpoint (I11 cert gate), D0.3 `WireSweep` streaming endpoint + Lance append, D0.4 surface freeze. D1.1 `CodecKernelCache` via `JitCompiler`, D1.2 rotation primitives (Identity / Hadamard / OPQ) as JIT kernels, D1.3 residual PQ via JIT composition. D2.1 reference-model loader, D2.2 decode-and-compare loop, D2.3 handler wiring. D3.1 server-side sweep handler, D3.2 curl-driven client. D4.1 DataFusion over Lance log, D4.2 Pareto frontier notebook. D5 graduation bridge (fires only on candidate passing all gates).

**Status (2026-04-20):** Active. Plan authored; no deliverables shipped yet. Depends on merge of PR #224 (three-part lab-surface framing + I11 measurability invariant) for the architectural grounding.

**Confidence (2026-04-20):** Pre-execution. Risk hot-spots: (a) JIT compile cost for residual PQ composition — needs measurement; (b) token-agreement harness load time on ref model — may dominate latency for small sweeps; (c) Lance append concurrency under streaming writes. Plan assumes these are tractable; D0 surface freeze is deliberate to prevent iterating on the DTO shape mid-sweep.

---

## v1 — Elegant Herding Rocket (authored 2026-04-19)

**Author:** main-thread session 2026-04-19
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