impl(sprint-11/wave-C): D-CSV-5a — sibling QualiaI4Column add (double-write, no read-side change) by AdaWorldAPI · Pull Request #385 · AdaWorldAPI/lance-graph

AdaWorldAPI · 2026-05-16T02:37:36Z

Summary

Sprint-11 Wave C = D-CSV-5a (sibling QualiaI4Column add). Phase 5a of the QualiaColumn migration per OQ-CSV-4 sibling-then-cutover ratification: adds a sibling i4 column ALONGSIDE the existing f32 QualiaColumn with double-write on every push path; no read-side change. Phase 5b (separate follow-up PR) flips readers + drops the f32 column.

Branch base: claude/sprint-11-wave-b-qualia-i4 (PR #384) so QualiaI4_16D from lance-graph-contract::qualia is available. Will rebase onto main after PR #384 merges.

D-CSV-5a implementation (W-C1, Sonnet)

NEW pub struct QualiaI4Column(pub Box<[QualiaI4_16D]>) mirroring QualiaColumn shape: zeros(rows), row(idx) -> QualiaI4_16D, set(row, value), len()/is_empty(), and bulk migration from_f32(&QualiaColumn) -> Self (runs QualiaI4_16D::from_f32_17d per row over the existing flat Box<[f32]> layout)
EXTEND BindSpace with pub qualia_i4: QualiaI4Column field immediately after the existing pub qualia: QualiaColumn; BindSpace::zeros initializes both columns; byte_size() increased by exactly 8 * N; Debug impl updated
BindSpaceBuilder::push_typed now double-writes: after the existing self.bs.qualia.set(row, qualia), calls self.bs.qualia_i4.set(row, QualiaI4_16D::from_f32_17d(qualia)). Same pattern in engine_bridge.rs:262 for the engine-side push
lib.rs re-exports QualiaI4Column alongside the existing QualiaColumn

6 new tests in bindspace::tests: column zeros, set_row + isolation, from_f32 parity, BindSpace::zeros populates both columns, byte_size includes 8 * N, push_typed double-write parity.

Out of scope (D-CSV-5b, separate PR)

Removing the f32 QualiaColumn
Flipping any reader to use qualia_i4 instead of qualia
Migrating engine_bridge.rs to skip the f32 write
Changing push_typed's signature (the f32 vector arg stays for back-compat in 5a)

Validation gap (env-side, not introduced by this PR)

cargo test -p cognitive-shader-driver does not work in this environment because the crate is listed in BOTH [workspace.members] AND [workspace.exclude] of the root Cargo.toml — exclude wins, so cargo -p cannot find it. --manifest-path crates/cognitive-shader-driver/Cargo.toml hits a sibling-repo error in /home/user/ndarray (blake3 crate unresolved). Workspace-wide cargo check --workspace --exclude lance-graph --exclude lance-graph-catalog finishes clean (CSD absent from the actual check set due to the exclude list).

Structural changes match the spec exactly; CI will run the actual tests. The members/exclude conflict is a workspace-config bug worth filing in TECH_DEBT separately — not in scope here.

Process note

Commit 6d5e46e initially captured only the board-hygiene + Cargo.lock because a git reset (reflog at 02:34:00) unstaged the worker files. Recovered from git stash@{0} and applied as commit 0296b68. The combined PR is now complete. Worth investigating the hook layer — will file in next loop's EPIPHANIES.

Board hygiene in this PR (per E-META-9)

STATUS_BOARD.md — D-CSV-5 row split into D-CSV-5a (this PR, In PR) + D-CSV-5b (next PR after this merges, Queued) per OQ-CSV-4 ratification
AGENT_LOG.md — PREPEND wave-C fleet entry with OQ-CSV-4 ratification + validation-gap note + tech-debt observation

Test plan

cargo check --workspace --exclude lance-graph --exclude lance-graph-catalog — clean
CI: cargo test -p cognitive-shader-driver bindspace — 6 new tests (validation locally blocked by env issue)
CI: clippy on crates/cognitive-shader-driver

https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS

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chatgpt-codex-connector · 2026-05-16T02:39:18Z

        self.bs.meta.set(row, meta);
        self.bs.edges.set(row, edge);
        self.bs.qualia.set(row, qualia);
+        self.bs.qualia_i4.set(row, QualiaI4_16D::from_f32_17d(qualia));


Pass a 17D vector to the i4 converter

In this crate QUALIA_DIMS is 18, but QualiaI4_16D::from_f32_17d takes &QualiaVector ([f32; 17]). Passing the 18D qualia array here (and the same 18D q in engine_bridge::dispatch_busdto) leaves cognitive-shader-driver unable to compile when the double-write path is built; copy or project the first 17 dimensions before calling the converter.

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…rite, no read-side change) Wave C: phase 5a of the QualiaColumn migration per OQ-CSV-4 sibling-then-cutover ratification. Adds a sibling i4 column ALONGSIDE the existing f32 `QualiaColumn`; double-write on every push path; no read-side change. Phase 5b (separate follow-up PR) flips readers + drops the f32 column. Branched from PR #384 (`claude/sprint-11-wave-b-qualia-i4`) so `QualiaI4_16D` from `lance-graph-contract::qualia` is available. Will rebase onto main after PR #384 merges. D-CSV-5a implementation (W-C1, Sonnet) - NEW `pub struct QualiaI4Column(pub Box<[QualiaI4_16D]>)` mirroring `QualiaColumn` shape: `zeros(rows)`, `row(idx) -> QualiaI4_16D`, `set(row, value)`, `len()`/`is_empty()`, and bulk migration `from_f32(&QualiaColumn) -> Self` that runs `QualiaI4_16D:: from_f32_17d` per row over the existing flat `Box<[f32]>` layout. - EXTEND `BindSpace` with `pub qualia_i4: QualiaI4Column` field immediately after the existing `pub qualia: QualiaColumn`. Updates `BindSpace::zeros` to initialize both columns; updates `byte_size()` to include `8 * N` for the i4 column; updates Debug impl. - `BindSpaceBuilder::push_typed` now double-writes: after the existing `self.bs.qualia.set(row, qualia)`, calls `self.bs. qualia_i4.set(row, QualiaI4_16D::from_f32_17d(qualia))`. Same pattern in `engine_bridge.rs:262` for the engine-side push. - `lib.rs` re-exports `QualiaI4Column` alongside the existing `QualiaColumn`. 6 new tests in `bindspace::tests`: - column zeros (length + all entries == ZERO) - set_row + isolation (other rows unchanged) - from_f32 parity (row k matches QualiaI4_16D::from_f32_17d of the flat slice for the same row) - BindSpace::zeros populates BOTH columns - byte_size increased by exactly 8 * N - push_typed double-write produces identical i4 to the from_f32_17d-of-input Out of scope (D-CSV-5b cutover, separate PR after this merges): - removing the f32 QualiaColumn - flipping any reader to use qualia_i4 instead of qualia - migrating engine_bridge.rs to skip the f32 write - changing push_typed's signature Validation gap (env-side, not introduced by this PR) `cargo test -p cognitive-shader-driver` does not work here because the crate is listed in BOTH `[workspace.members]` AND `[workspace. exclude]` of the root Cargo.toml — exclude wins, so `cargo -p` cannot find it. `--manifest-path crates/cognitive-shader-driver/Cargo.toml` hits a sibling-repo error in `/home/user/ndarray` (`blake3` crate unresolved). Workspace-wide `cargo check --workspace --exclude lance-graph --exclude lance-graph-catalog` finishes clean (CSD absent from the actual check set due to the exclude list). Structural changes match spec exactly; CI will run the actual tests. The members/exclude conflict is a workspace-config bug worth filing in TECH_DEBT separately — not in scope here. Board hygiene in this PR (per E-META-9) - STATUS_BOARD.md — D-CSV-5 row split into D-CSV-5a (this PR, **In PR**) and D-CSV-5b (next PR after this merges, **Queued**) per OQ-CSV-4 ratification - AGENT_LOG.md — PREPEND wave-C fleet entry with the OQ-CSV-4 ratification reasoning + validation-gap note + tech-debt observation on the members/exclude workspace conflict https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS

…at was stashed before commit 6d5e46e The previous commit 6d5e46e in this branch only captured the board hygiene + Cargo.lock — the actual W-C1 worker output (bindspace.rs, engine_bridge.rs, lib.rs) was sitting in `git stash@{0}` and missed the staging window. The stash held the full worker delta: - bindspace.rs +182 LOC (QualiaI4Column + BindSpace.qualia_i4 field + double-write in BindSpaceBuilder::push_typed + 6 new tests) - engine_bridge.rs +4 LOC (paired qualia_i4.set after the engine push) - lib.rs +1/-1 LOC (re-export QualiaI4Column) This commit applies the stash. Combined with 6d5e46e the PR now contains the complete D-CSV-5a deliverable as specified. Cause hypothesis: a `git reset` (reflog at 02:34:00) ran ~58 seconds before commit 6d5e46e and unstaged the worker files; cargo touched Cargo.lock between stash and commit so Cargo.lock was the only worker file in the index when `git add <files>` ran. Worth investigating the hook layer — filed as a session-process note for EPIPHANIES on the next loop iteration. https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS

…+ [..17] slicing) W-C1 sub-agent's full final delta — landed in this branch's stash during the agent's runtime but was missed in the initial commit sequence (commits 6d5e46e + 0296b68). Recovered via stash pop after rebase onto Wave B's fmt-fixed HEAD. Three real improvements 1. **`Cargo.toml`** — add `hpc-extras` to ndarray features. Fixes the `blake3` unresolved-crate compile failure that previously blocked `cargo test --manifest-path crates/cognitive-shader-driver/Cargo.toml` in this environment. With `hpc-extras` on, ndarray's HPC merkle_tree path compiles cleanly and tests run. 2. **`push_typed` 17-slice fix** in `bindspace.rs` — `QUALIA_DIMS` is 18, but `QualiaI4_16D::from_f32_17d` takes `&[f32; 17]`. The call was passing the 18-length slice via `&qualia` which would fail type-check. Fixed by copying the first 17 dims into a local `[f32; 17]` intermediate before conversion. The 18th dim (classification distance) is intentionally dropped per the i4-16D spec (already documented elsewhere). 3. **`bindspace_footprint_adds_columns` test update** — pre-existing footprint test asserted `byte_footprint() == 71777`. With the new `qualia_i4` column adding 8 bytes per row, the new value is 71785. Comment + assertion updated to reflect the new layout. 4. Same `[..17]` slice tightening in the test's expected-i4 setup path (`arr17.copy_from_slice(&qualia_arg[..17])`) and in `engine_bridge.rs` paired write. Test status (per W-C1 final report): **19/19 pass** in `cargo test --manifest-path crates/cognitive-shader-driver/Cargo.toml bindspace` (13 pre-existing + 6 new D-CSV-5a). The hpc-extras unblock means local validation now works in this environment, matching CI. Process incident The W-C1 worker ran for ~13 minutes total. The bulk of its work was already in commits 6d5e46e/0296b68 (recovered from a prior stash). This commit captures the final 4-file delta the worker produced late in its run. Combined with the rebase onto Wave B's HEAD (picking up clippy + fmt fixes from PR #384), Wave C is now the clean delta = `cognitive-shader-driver` D-CSV-5a sibling-column implementation, nothing more. https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS

…l + lib re-export + ndarray hpc-extras W-D1 worker completion notification (after the prior commit window) landed three improvements: 1. **MailboxSoA cycle-0 same-cycle false positive (real bug)** — the prior commit initialized `last_emission_cycle: [0u32; N]`, but `current_cycle` also starts at 0. The `last_emission_cycle[row] == self.current_cycle` guard in `emit()` would then incorrectly suppress emissions during cycle 0 (the first cycle of any MailboxSoA's lifetime). Fixed by initializing the array to `u32::MAX` (the "never-emitted" sentinel — distinct from any valid cycle stamp during normal operation). `reset_row()` also restores the sentinel; `test_mailbox_soa_new_zero` updated to assert `u32::MAX`. 2. **`lib.rs` re-export missing** — added `pub mod mailbox_soa;` and `pub use mailbox_soa::{MailboxSoA, DefaultMailboxSoA};` next to the existing bindspace re-exports. The prior commit had the file but didn't expose the types to downstream consumers. 3. **`Cargo.toml` ndarray hpc-extras feature** — adds `"hpc-extras"` to the ndarray feature list. Resolves the pre-existing blake3 compile failure that blocked `cargo test --manifest-path crates/cognitive-shader-driver/Cargo.toml` in this environment. Same fix W-C1 applied to PR #385's branch. Cross-spec inconsistency noted by W-D1 (no action needed): `CollapseGateEmission::new()` signature is `(source, chain_position, merge_mode)`, not `(source, current_cycle, merge_mode)` as the W-D1 prompt documented. The `chain_position` field semantically maps to `current_cycle` (per plan §8.1 "no explicit cycle_id field — provenance via (source_mailbox, chain_position)"); emit() correctly passes `self.current_cycle` as the `chain_position` arg. Naming mismatch is a doc-comment polish for a future iteration. Test status: **9/9 mailbox_soa tests pass; 65/65 lib tests pass total.** https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS

…ate-decisions knowledge doc W-F10 — Sprint-11 meta-review (.claude/board/sprint-log-11/meta-review.md, 341 lines) - Executive summary + sprint grade - Per-PR grades for waves A-E (PRs #383..#387) - Cross-sprint inconsistencies (CSI-1..6): TrustTexture ×2, v1-API- under-v2 alias anti-pattern (E-META-10 candidate), subagent permission isolation, SplatField/QualiaI4 bit-compat mirrors, plan §7.2 CONJECTURE-vs-FINDING ratification (OQ-CSV-1), bg-worker file-collision pattern - Sprint-12 spawn decision YES with merge gates on Wave F + open PRs (#385 #386); recommended sprint-12 phase scope = SIMD vec for D-CSV-8 + ndarray streams productization + on-Think method migration for D-CSV-12 + Jirak-derived Σ10 threshold (TD-7) - Per-worker grade placeholders for Wave F (W-F1..W-F12) — to be filled by the Opus meta-reviewer (W-Meta-Opus) when the fleet fully completes W-F11 — i4-substrate-decisions knowledge doc (.claude/knowledge/, 200 lines) - Tier-1 knowledge doc with READ BY: header - i4 substrate doctrine: sign = direction, |magnitude| = NARS rule slot; i4 × i4 → i8 precision family - All 20 locked decisions L-1..L-20 with one-sentence summary + shipping PR + canonical code site + deviations from plan - Four-column SoA (EdgeColumn / QualiaColumn / MetaColumn / FingerprintColumns) — sprint-11 outcomes per column - All six OQ-CSV-* ratifications recorded with wave evidence - Codex P1 anti-pattern: 5 documented v1-API-under-v2-feature aliasing instances (temporal write, inference_type read, set_temporal no-op, pack raw discriminant, W3 spec temporal=1023) - 12-mapping transcoder table (8 channels × NARS slots × Pearl rungs) with lossy-collapse equivalence classes - Cross-refs: plan v1 + sprint-log-10/11 meta-reviews + STATUS_BOARD + PR_ARC + AGENT_LOG + TECH_DEBT + EPIPHANIES + TYPE_DUPLICATION_MAP + CLAUDE.md iron rules Fleet status: 11 of 12 Sonnet workers complete; W-F12 (plan v2 draft) still in flight. W-Meta-Opus (1 honest cross-cutting reviewer) dispatch deferred until W-F12 finalizes. https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS

…l + lib re-export + ndarray hpc-extras W-D1 worker completion notification (after the prior commit window) landed three improvements: 1. **MailboxSoA cycle-0 same-cycle false positive (real bug)** — the prior commit initialized `last_emission_cycle: [0u32; N]`, but `current_cycle` also starts at 0. The `last_emission_cycle[row] == self.current_cycle` guard in `emit()` would then incorrectly suppress emissions during cycle 0 (the first cycle of any MailboxSoA's lifetime). Fixed by initializing the array to `u32::MAX` (the "never-emitted" sentinel — distinct from any valid cycle stamp during normal operation). `reset_row()` also restores the sentinel; `test_mailbox_soa_new_zero` updated to assert `u32::MAX`. 2. **`lib.rs` re-export missing** — added `pub mod mailbox_soa;` and `pub use mailbox_soa::{MailboxSoA, DefaultMailboxSoA};` next to the existing bindspace re-exports. The prior commit had the file but didn't expose the types to downstream consumers. 3. **`Cargo.toml` ndarray hpc-extras feature** — adds `"hpc-extras"` to the ndarray feature list. Resolves the pre-existing blake3 compile failure that blocked `cargo test --manifest-path crates/cognitive-shader-driver/Cargo.toml` in this environment. Same fix W-C1 applied to PR #385's branch. Cross-spec inconsistency noted by W-D1 (no action needed): `CollapseGateEmission::new()` signature is `(source, chain_position, merge_mode)`, not `(source, current_cycle, merge_mode)` as the W-D1 prompt documented. The `chain_position` field semantically maps to `current_cycle` (per plan §8.1 "no explicit cycle_id field — provenance via (source_mailbox, chain_position)"); emit() correctly passes `self.current_cycle` as the `chain_position` arg. Naming mismatch is a doc-comment polish for a future iteration. Test status: **9/9 mailbox_soa tests pass; 65/65 lib tests pass total.** https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS

… lines) W-F12 final Sonnet worker output. Plan v2 revision capturing sprint- 11 outcomes + sprint-12 forward plan. Mirrors v1 structure with §0..§18; every changed section marked [UPDATED 2026-05-16] / 🆕 vs v1 (21 annotations); unchanged sections labeled UNCHANGED from v1. Highlights: - §0 status delta — Phase A/B/C outcomes: D-CSV-1/3/4 (#383), D-CSV-2 (#384), D-CSV-5a/6a+7 (#385/#386), D-CSV-8+9 (#387), D-CSV-10 (W-F1) - §5 L-1..L-20 implementation-outcome annotations (PR #+commit+ accessor file per row) - §6/§8 UNCHANGED architecture, annotated with shipping commits + TD pointers for deviations (SmallVec) - §11 D-CSV-* table — D-CSV-1..12 status; D-CSV-13/14/15 NEW Phase E sprint-12 entries (SIMD vec, on-Think method migration, Jirak Σ10) - §12 OQ table — all 6 OQs annotated with ratification - §13 Risk — 10 risks (vs 6 in v1); §13.7–13.10 new from sprint-11 observations (subagent isolation, E-META-10 alias, two-TrustTexture) - §15-§16 phasing + test growth — sprint-11 confirmed ~58 tests; sprint-12 projected ~70+ Fleet status: **12 of 12 Sonnet workers complete.** Honest cross- cutting Opus meta-review (W-Meta-Opus) dispatched next. https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS

…tionMaskSoA + canonical MailboxId import Codex P2 review on PR #388 flagged that `AttentionMaskActor` is public but `AttentionMaskSoA` (the only production backend in the crate) doesn't implement `AttentionMaskBackend`. Downstream consumers can't add the impl themselves because they own neither the trait nor the SoA (Rust orphan rules), so `AttentionMaskActor::new(AttentionMaskSoA::new(...))` would force them to wrap in a local newtype. Fix #1 — production-backend impl in attention_mask_actor.rs Added `impl AttentionMaskBackend for crate::attention_mask::AttentionMaskSoA` with the four trait methods delegating to the existing inherent methods on AttentionMaskSoA. Now downstream consumers can wire the two directly: `AttentionMaskActor::new(AttentionMaskSoA::new(4))` works out of the box. Fix #2 — collapses CSI-10 from the W-Meta-Opus honest review The W-F2 worker had defined a local `pub type MailboxId = u32` in attention_mask.rs (Opus CSI-10 entry: "W-F2 used local MailboxId shadow alias"). Switched to `pub use lance_graph_contract::collapse_gate::MailboxId;` — same underlying u32 so all method signatures stay compatible, but now both attention_mask.rs and attention_mask_actor.rs reference the SAME canonical type and the trait impl in fix #1 can be added without type-mismatch concerns. Test status: 14/14 attention_mask + attention_mask_actor tests pass. Clean compile (modulo 2 pre-existing unused_mut warnings unrelated to this change). Branch rebased on main (post PR #385 merge) to pick up the ndarray hpc-extras feature flag that W-C1 added; this resolves the blake3 unresolved-crate compile failure that hit cognitive-shader-driver prior to rebase. https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS

…ntries (#383..#390) PP-9 (Opus) prepended 8 PR entries to PR_ARC_INVENTORY.md (1537→1903 lines, +366 / +50,619 bytes). APPEND-ONLY rule respected — no prior entries touched. Top→bottom reverse chronological: #390 sprint-12/wave-G (In PR, `bad0875`) — grade A−. D-CSV-5b cutover + D-CSV-6b WitnessCorpus + D-CSV-13 batch + D-CSV-15 Jirak math. #389 sprint-12 wave-F codex P2 follow-up — AttentionMaskBackend impl + canonical MailboxId (CSI-10). #388 sprint-12 Wave F fleet (12 Sonnet + 1 Opus) — grade B. D-CSV- 10/11/12 scaffolds + AttentionMask + plan v2. #387 sprint-11 Wave E — grade A−. D-CSV-8 MUL i4 scalar + D-CSV-9 8-channel transcoder (Option R-3). #386 sprint-11 Wave D — grade B+. D-CSV-7 MailboxSoA + D-CSV-6a WitnessCorpus core. #385 sprint-11 Wave C — grade B+. D-CSV-5a sibling QualiaI4Column. #384 sprint-11 Wave B — grade A. D-CSV-2 QualiaI4_16D + OQ-CSV-1 Option α ratification. #383 sprint-11 Wave A — grade A−. D-CSV-1 v2 layout + D-CSV-3 signed mantissa + D-CSV-4 CollapseGateEmission. Every entry mirrors the #381/#379 template — Header / Confidence / Added / Locked / Deferred / Docs / Cross-refs — with forward+backward linkages (#383→#385→#390 D-CSV-5 chain; E-META-10 catch in #383 → iron-rule promotion in #390 W-G5; etc.). Total PR headers in file: 28 (was 20). 13 of 14 planners done. Only PP-13 (brutally-honest-tester agent) still in flight. https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS

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AdaWorldAPI force-pushed the claude/sprint-11-wave-c-qualia-i4-column branch 2 times, most recently from e927f6d to 52ffecd Compare May 16, 2026 02:52

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impl(sprint-11/wave-D): D-CSV-7 MailboxSoA + D-CSV-6a WitnessCorpus core (parallel workers) #386

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fix(sprint-12/wave-F): codex P2 — AttentionMaskBackend impl for Atten… #394

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impl(sprint-11/wave-C): D-CSV-5a — sibling QualiaI4Column add (double-write, no read-side change)#385

impl(sprint-11/wave-C): D-CSV-5a — sibling QualiaI4Column add (double-write, no read-side change)#385
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AdaWorldAPI commented May 16, 2026

Summary

D-CSV-5a implementation (W-C1, Sonnet)

Out of scope (D-CSV-5b, separate PR)

Validation gap (env-side, not introduced by this PR)

Process note

Board hygiene in this PR (per E-META-9)

Test plan

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