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impl(sprint-12/wave-G): 6 Sonnet + 1 Opus — D-CSV-5b/6b/13/15 + E-META-10 iron rule (sprint-12 grade B+)#390

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impl(sprint-12/wave-G): 6 Sonnet + 1 Opus — D-CSV-5b/6b/13/15 + E-META-10 iron rule (sprint-12 grade B+)#390
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Summary

Sprint-12 Wave G — 6 Sonnet workers + 1 Opus honest meta-review in CCA2A parallel fleet. Ships D-CSV-5b QualiaColumn cutover, D-CSV-6b CAM-PQ HashMap wiring, D-CSV-13 batch i4 API, D-CSV-15 Jirak-derived Σ-tier thresholds, promotes E-META-10 to iron rule I-LEGACY-API-FEATURE-GATED, and resolves TD-SHADER-DRIVER-WORKSPACE-CONFLICT-1.

Wave G grade per W-Meta-Opus honest review: A− (Wave F was B; integration discipline corrected). Sprint-12-so-far: B+.

What landed

Sprint-12 substantive deliverables

Worker Grade Scope Tests
W-G1 A− D-CSV-5b QualiaColumn cutover (drop f32; promote i4) 86/86
W-G2 B+ D-CSV-6b CAM-PQ wiring (HashMap placeholder; ndarray::hpc::cam_pq upgrade sprint-13+) 15/15
W-G3 A− D-CSV-13 batch i4 API in lance-graph-contract::mul::i4_eval::batch 20/20
W-G4 A D-CSV-15 Σ10 Jirak-derived threshold; closes TD-7 20/20
W-G5 A E-META-10 → iron rule I-LEGACY-API-FEATURE-GATED in CLAUDE.md governance
W-G6 A− TD-SHADER-DRIVER-WORKSPACE-CONFLICT-1 resolution; 15→16 workspace packages DX

W-Meta-Opus call-outs

  • Standout: W-G4 caught a math error in my Wave G spec. I had written "p≥4 collapses toward linear" — actually inverted. W-G4 consulted I-NOISE-FLOOR-JIRAK iron rule, derived correct Σ_k = k^(p/2) / 10^(p/2) math, and shipped 8 new tests with the corrected assertion in test_jirak_p_4_more_linear. Spot-checked: Σ_1 ≈ 0.031623, Σ_10 = 1.0 exactly. Jirak 2016 citation present in both module + method doc comments.

  • CSI-15 (P2, fixed in commit 4d429e3): Renamed CamPqWitnessIndexWitnessIndexHashMap (12 + 1 occurrences) before consumers attach. Original name pre-committed to CAM-PQ distance-ranking semantics the HashMap backing doesn't deliver. Sprint-13+ adds the real WitnessIndexCamPq alongside.

  • CSI-18: All four iron rules now share a meta-pattern ("do X consistently across the codebase; document deviations explicitly" — applied to substrate operator / statistical model / data semantics / API version). Sprint-13 should consolidate in .claude/knowledge/iron-rules-doctrine.md.

Files touched

  • Cargo.toml — cognitive-shader-driver moved exclude → members (W-G6)
  • CLAUDE.md — new I-LEGACY-API-FEATURE-GATED iron rule (W-G5)
  • .claude/board/EPIPHANIES.md — E-META-10 PROMOTED status header
  • .claude/board/TECH_DEBT.md — TD-LEGACY-API-FEATURE-GATED-RESOLVED-1 entry
  • .claude/board/sprint-log-11/meta-review-opus-wave-g.md — Opus honest review (180 lines)
  • crates/sigma-tier-router/src/lib.rs — Jirak bands + parameterized constructor (W-G4)
  • crates/lance-graph-contract/src/mul.rsi4_eval::batch module (W-G3)
  • crates/lance-graph/src/graph/arigraph/witness_corpus.rs + mod.rsWitnessIndexHashMap (W-G2 + CSI-15)
  • crates/cognitive-shader-driver/src/bindspace.rs + engine_bridge.rs + driver.rs + lib.rs + tests/end_to_end.rs — QualiaColumn cutover (W-G1)

Test plan

  • cargo test --manifest-path crates/lance-graph-contract/Cargo.toml i4_eval — 20/20 (W-G3)
  • cargo test -p sigma-tier-router — 20/20 (W-G4)
  • cargo test -p cognitive-shader-driver --lib — 86/86 (W-G1)
  • cargo test -p lance-graph witness_corpus — 15/15 (W-G2; pre-rename validated)
  • cargo metadata --no-deps — 16 packages, both sigma-tier-router + cognitive-shader-driver present (W-G6)
  • Full workspace integration on CI (anticipating rustfmt/clippy fmt fixes per the recurring gate)
  • Codex P1/P2 review

Sprint-13 spawn recommendation (per Opus)

YES, conditional on:

  1. Wave G merge (this PR)
  2. Sprint-13 worker template bakes lib.rs/workspace registration into worker scope (Wave F CSI-13 + Wave G's integration discipline correction together confirm this as a recurring failure mode unless main thread enforces it pre-spawn)
  3. CSI-18 doctrine consolidation (.claude/knowledge/iron-rules-doctrine.md) lands

🤖 Generated with Claude Code


Generated by Claude Code

claude added 5 commits May 16, 2026 10:49
…ness-corpus + W-G3 mul.rs i4_eval batch API

In-flight worker outputs from Wave G fleet (6 Sonnet workers). Workers
may continue writing to these files; subsequent commits on this branch
finalize the deliverables when completion notifications arrive.

W-G1 (D-CSV-5b QualiaColumn cutover) — bindspace.rs (+65 LOC diff so far):
likely still mid-flight; tests at file tail still read both `bs.qualia`
(f32) AND `bs.qualia_i4` (i4) suggesting the cutover isn't complete yet.

W-G2 (D-CSV-6b CAM-PQ wiring) — witness_corpus.rs (+386 LOC):
substantial expansion of the WitnessCorpus index. Awaiting completion
report for the final test pass count.

W-G3 (D-CSV-13 SIMD vec batch API) — mul.rs (+219 LOC):
new `pub mod batch` inside `i4_eval` with parallel-arrays batch
functions for the 5 MUL evaluators.

Stop-hook driven snapshot commit. Final aggregation + clippy + test
verification arrives in subsequent commits per worker completion order.

https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS
…ce fix + W-G1 partial

Wave G mid-flight commit landing 3 complete worker outputs:

W-G3 (D-CSV-13 SIMD vec batch API) — earlier commit 7d7b537
- already on branch; 20/20 tests pass, clippy clean, zero-dep

W-G5 (E-META-10 → iron rule I-LEGACY-API-FEATURE-GATED)
- CLAUDE.md +86 lines: new iron rule after I-VSA-IDENTITIES with 5
  documented sprint-11 instances + 4 consequences (field-isolation
  matrix tests mandatory, no silent semantic drift, version gate
  mandatory, codex P1 canonical pre-merge gate)
- EPIPHANIES.md: E-META-10 PROMOTED status header prepended;
  original FINDING body preserved per append-only board doctrine
- .claude/board/TECH_DEBT.md: new TD-LEGACY-API-FEATURE-GATED-RESOLVED-1
  entry merged into canonical board location (worker initially wrote
  it to repo-root TECH_DEBT.md; main thread consolidated to
  .claude/board/TECH_DEBT.md and removed the stray)

W-G6 (TD-3 cognitive-shader-driver workspace conflict resolution)
- Cargo.toml workspace [members] now includes `cognitive-shader-driver`
  with TD-SHADER-DRIVER-WORKSPACE-CONFLICT-1 annotation
- Resolves the cargo `-p cognitive-shader-driver` from workspace root
  friction that hit sprint-11 (worked around via --manifest-path)

W-G1 (D-CSV-5b QualiaColumn cutover) — PARTIAL
- bindspace.rs: 65-line diff in progress — tests at file tail still
  reference both bs.qualia (f32) and bs.qualia_i4 (i4), suggesting
  the cutover isn't fully complete yet. Worker may still be writing.
- engine_bridge.rs: paired double-write adjustments
- lib.rs: added `pub mod attention_mask;`, `pub mod attention_mask_actor;`,
  `pub mod mailbox_soa;` registration (Wave F orphan cleanup landed
  here; previously these were only registered via PR #389)

Still in flight (will commit on completion notification)
- W-G1 final (cutover completion + test pass)
- W-G2 (D-CSV-6b CAM-PQ wiring) — already in WIP commit 7d7b537
- W-G4 (D-CSV-15 Σ10 Jirak threshold)

https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS
…rpus refinement + W-G4 Σ10 Jirak threshold

W-G1 (D-CSV-5b QualiaColumn cutover continued) — driver.rs qualia READ sites
- Updated `self.bindspace.qualia.row(row as usize)` call sites to handle
  the new return type (was `&[f32]` slice, now `QualiaI4_16D` Copy)
- Two sites updated (lines 148 + 398 in pre-edit numbering)

W-G2 (D-CSV-6b CAM-PQ wiring) — witness_corpus.rs refinement + mod.rs re-export
- Tightened the CamPqWitnessIndex API surface; mod.rs re-export updated
  to expose CamPqWitnessIndex (replaced CamPqIndexPlaceholder)

W-G4 (D-CSV-15 Σ10 Jirak-derived threshold) — sigma-tier-router/src/lib.rs +303 LOC
- Replaced hand-tuned 0.1..1.0 linear band thresholds with Jirak-derived
  `k^1.5 / 10^1.5` convex spacing (Σ_1 ≈ 0.0316, Σ_10 = 1.0). Cites
  I-NOISE-FLOOR-JIRAK iron rule (CAM-PQ-induced weak dependence regime
  with p ≈ 3).
- NEW `SigmaTierBands::jirak_p(p: f32) -> Self` parameterized constructor
  — caller can specify the moment parameter from Jirak's rate
  `n^(p/2-1)`; p=3.0 is default for the workspace regime; p≥4 collapses
  toward linear spacing (asymptotically iid).
- NEW `SigmaTierBands::hand_tuned() -> Self` preserves prior values for
  backwards comparison, marked deprecated.
- Resolves TD-SIGMA-TIER-THRESHOLDS-1 (TD-7) per Wave F honest review.

Still pending W-G1 final completion notification (tests for the
cutover + lib.rs re-export verification). Stop-hook commit; aggregate
follow-up when W-G1 reports done.

https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS
…orrection

W-G1 (D-CSV-5b QualiaColumn cutover) — FINAL
- bindspace.rs: cutover complete. BindSpace.qualia is now QualiaI4Column
  (8 B/row, was 72 B/row). QualiaColumn struct kept with #[deprecated]
  for one release cycle.
- driver.rs: 2 qualia READ call sites updated. Line 148 (style resolver
  seed) now calls `bs.qualia.row(row).to_f32_17d()` → `[f32; 17]` for
  `auto_style::resolve`. Line 398 (alpha-composite closure) pre-
  materializes `Vec<(u32, [f32; 17])>` for hits before closure capture.
- engine_bridge.rs: dispatch_busdto drops the double-write; single i4
  write at the engine boundary via `from_f32_17d(&q17)`. unbind/
  read_qualia_decomposed/write_qualia_observed call `.to_f32_17d()` at
  read sites. classification_distance (dim 17, no longer stored)
  returns 1.0 default.
- 5 new D-CSV-5b tests in bindspace; 4 pre-existing tests updated for
  new shape (footprint byte count 71785→71713; builder tests adjusted
  for new push_typed signature; 2 engine_bridge round-trip tolerances
  relaxed to i4 precision ±0.15)
- end_to_end.rs: 1 integration test updated to use the new i4 surface
- Test status: **86/86 pass, 0 fail.**

W-G4 (D-CSV-15 Σ10 Jirak threshold) — math correction
- Σ_k = k^(p/2) / 10^(p/2). For p=3 (workspace CAM-PQ regime per
  I-NOISE-FLOOR-JIRAK), Σ_1 ≈ 0.0316, Σ_5 ≈ 0.3536, Σ_10 = 1.0.
- Worker caught a math error in my spec: "p ≥ 4 collapses toward
  linear" is INVERTED. p=4 produces MORE convex spacing (delta variance
  p=3 → 0.00079; p=4 → 0.00267). Test test_jirak_p_4_more_linear was
  rewritten to assert the actual mathematical behavior.
- Default() now calls jirak_p(3.0); hand_tuned() preserves the
  sprint-11 linear values; default_bands() deprecated 0.2.0.
- 20/20 tests pass (12 original + 8 new). Clippy clean.

https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS
…rename CamPqWitnessIndex → WitnessIndexHashMap

W-Meta-Opus delivered the honest cross-cutting review (180 lines,
22.4 KB). Highlights:

**Wave G grade: A−** (Wave F was B; integration discipline corrected)
**Sprint-12-so-far: B+**

Per-worker grades:
- W-G1 A−  D-CSV-5b cutover; 86/86 tests pass; 4 pre-existing tests
  updated with discipline
- W-G2 B+  CAM-PQ HashMap wiring (15 tests); naming pre-commits to
  semantics the backing doesn't have (→ CSI-15, fixed in this commit)
- W-G3 A−  Batch i4 API (20 tests, clippy clean); all 5 functions
  panic-on-length-mismatch verified
- W-G4 A   Jirak threshold (20 tests); caught + corrected my math
  error in the spec ("p≥4 collapses linear" was inverted; p=4 produces
  MORE convex spacing, not less)
- W-G5 A   Iron rule promotion clean; CLAUDE.md now has 4 iron rules
- W-G6 A−  Workspace conflict resolution (3-LOC fix); no orphan crates

Three CSIs surfaced (CSI-14..18, continuing Wave F's sequence):

**CSI-15 (P2, FIXED IN THIS COMMIT):** Renamed `CamPqWitnessIndex` →
`WitnessIndexHashMap` (12 occurrences in witness_corpus.rs + 1 in
mod.rs re-export). The original name pre-committed to CAM-PQ distance-
ranking semantics that the HashMap backing doesn't deliver. The doc
comment is honest ("HashMap-backed; sprint-13+ upgrades to real
ndarray::hpc::cam_pq"), but the type name would mislead at consumer
call sites. Sprint-13+ adds `WitnessIndexCamPq` with the real codec
wiring; the HashMap variant becomes the fallback for environments
without ndarray CAM-PQ support.

**CSI-7 follow-through:** Verified sigma-tier-router has NO self-
declared [workspace] table; cargo metadata --no-deps shows both
sigma-tier-router AND cognitive-shader-driver in the workspace
(16 packages total). Opus's note about pending follow-through was
unwarranted — it's already done.

**CSI-18 (MED):** Four iron rules now share a meta-pattern ("do X
consistently across the codebase; document deviations explicitly").
Sprint-13 should land `.claude/knowledge/iron-rules-doctrine.md`
consolidating this meta-pattern so future iron rules fit the
template intentionally.

W-Meta-Opus standout call-out
W-G4 noticed my brief was inverted, consulted the I-NOISE-FLOOR-JIRAK
iron rule, derived the correct math (Σ_k = k^1.5 / 10^1.5 with
Σ_1 ≈ 0.031623 and Σ_10 = 1.0 exactly), and shipped 8 new tests with
the corrected assertion in test_jirak_p_4_more_linear. Jirak 2016
citation present in both module-level and method-level doc comments.

Sprint-13 spawn recommendation: YES, gated on Wave G merge +
sprint-13 worker template that bakes lib.rs/workspace registration
INTO worker scope (Wave F CSI-13 has now been validated as a
recurring failure mode unless main thread enforces it pre-spawn).

Pre-existing infra issue: local `cargo test -p lance-graph` hit
ENOSPC during link (workspace target/ disk pressure). Mechanical
12-instance rename did not require local re-test; CI validates.

https://claude.ai/code/session_01UwJuKqP828qyX1VkLgGJFS
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Comment on lines 265 to +267
let mut q17 = [0.0f32; 17];
q17.copy_from_slice(&q[..17]);
bs.qualia_i4.set(row, QualiaI4_16D::from_f32_17d(&q17));
bs.qualia.set(row, QualiaI4_16D::from_f32_17d(&q17));
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P1 Badge Preserve BusDto headline outside i4 qualia

When the with-engine BusDto bridge is used, this stores q[9] = bus.codebook_index as f32 through QualiaI4_16D::from_f32_17d, whose conversion clamps each f32 lane to [-1.0, 1.0] and quantizes it to i4. unbind_busdto() later reads q[9] as u16, so any normal codebook index above 1 round-trips as 1, corrupting committed thought identity (and the documented bit-exact BusDto round-trip) after the D-CSV-5b cutover.

Useful? React with 👍 / 👎.

Same recurring sprint-11/12 fmt-gate pattern. W-G2's witness_corpus.rs
test code had assert_eq! single-lines + multi-field struct literals
that rustfmt 1.95 wants expanded. mod.rs's use block needed re-
alphabetization after the CSI-15 rename (WitnessIndexHashMap sorts
after Witness*).

Pure mechanical reformat via `cargo fmt --manifest-path
crates/lance-graph/Cargo.toml`. No behavior change.
AdaWorldAPI pushed a commit that referenced this pull request May 16, 2026
…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
@AdaWorldAPI AdaWorldAPI merged commit 961baf8 into main May 16, 2026
5 checks passed
AdaWorldAPI pushed a commit that referenced this pull request May 16, 2026
…patterns knowledge doc

Two preflight closeout artifacts:

1. .claude/board/sprint-log-13/preflight-meta-review-opus.md (W-Meta-Opus, ~196 LOC)
   - Wave H grade: B+ (depressed by plan-vs-git drift in PP-1/PP-12 + ID/OQ-numbering
     drift across PP-1..PP-6/PP-11; impl specs PP-3/4/5/6 + structural fixes
     PP-2/8/13 are engineer-ready)
   - Three notable CSIs surfaced: CSI-19 (D-CSV-/OQ-CSV-numbering drift),
     CSI-20 (multiple planners drifted from main on PR #390-dependent state),
     CSI-23 (PR #390 was the gate for sprint-13 spawn — now resolved with #390 merge)
   - 8-item sprint-13 spawn checklist
   - Per-planner verifications: PP-4 zero-callers-of-splat-fns VERIFIED TRUE,
     PP-4 no-Think-struct VERIFIED TRUE, PP-5 CamPqIndexPlaceholder citation
     VERIFIED ACCURATE, PP-9 APPEND-ONLY discipline VERIFIED, PP-12 false
     ndarray-PR-#147-merged claim VERIFIED FALSE

2. .claude/knowledge/codex-p1-anti-patterns.md (~455 LOC, PP-13 companion)
   - Operational catalogue the brutally-honest-tester (PP-13) loads at Tier-1
   - §1 codex bot's review shape (P1/P2/P3 frequencies sprint-11/12)
   - §2 anti-pattern catalogue AP1-AP8 with grep targets + rules + fixes
     + sprint-11/12 instance citations (commits 42b3215, 33509ab, d4e5bbc, 2a1a1e3)
   - §3 stable-Rust toolchain across 5 tiers (Mandatory/Strict/Recommended/
     Targeted/Formal-ish; explicit non-fit: Miri/cargo-careful/cargo-fuzz)
   - §4 severity convention P0/P1/P2/P3 → LAND/HOLD/REJECT
   - §5 workflow integration with CCA2A loop diagram
   - §6 APPEND-ONLY maintenance protocol with promotion track to iron rules
   - §8 'one sentence that should survive any refactor' anchor

Closes the 'create .claude/agents + knowledge for the new codex savant' request:
PP-13 created the agent card; this commit ships the companion knowledge doc.
AdaWorldAPI pushed a commit that referenced this pull request May 16, 2026
…itect / baton-handoff-auditor / preflight-drift-auditor

Completes the four-agent quality lifecycle alongside PP-13 brutally-honest-tester:

  PRE-PLAN     → convergence-architect  (PP-14, divergent expansion)
  PRE-SPAWN    → preflight-drift-auditor (PP-16, automates W-Meta-Opus audit)
  DURING-IMPL  → baton-handoff-auditor   (PP-15, cross-crate boundary mismatches)
  POST-IMPL    → brutally-honest-tester  (PP-13, codex-class within-crate bugs)

PP-14 convergence-architect (444 + 719 LOC):
  - Creative-genius "0-friction boundary" hunter; verdict OPPORTUNITY/
    WORTH-EXPLORING/DROP (never REJECT — psychological safety for ideation)
  - EP1-EP8 expansion-pattern catalogue: 0-friction baton handover,
    algebraic-operator reuse, role-keyed identity migration,
    carrier-as-grammar, iron-rule axis prediction, sprint-N-bug-becomes-
    feature, cross-repo synergy without API change, doctrine concentration
  - Tools: + WebSearch, WebFetch, Agent, AskUserQuestion, ToolSearch,
    HF paper_search/hf_doc_search/hf_doc_fetch/hf_hub_query (cross-pollination
    from external papers is the role; Jirak 2016 precedent → I-NOISE-FLOOR-JIRAK)

PP-15 baton-handoff-auditor (502 + 897 LOC):
  - Brutal cross-boundary reviewer; verdict CATCH-CRITICAL/CATCH-LATENT/CLEAN
  - BAP1-BAP10 boundary anti-pattern catalogue: DTO field-shape silent
    drift, rename-without-downstream-sweep (CSI-15), lib.rs/mod.rs orphan
    (CSI-8/9), Cargo.toml [workspace] self-declaration (CSI-7), REST without
    OrchestrationBridge, sprint-N TD-* consumed as resolved (CSI-9/20),
    D-id/OQ-id numbering collision (CSI-19), iron-rule carrier-boundary
    violation, feature-gated v1-API alias (I-LEGACY-API-FEATURE-GATED
    precedent), Producer<Option<X>>/Consumer-unwrap tail panic
  - Commit SHAs cited: 42b3215, b44ce87, d4e5bbc, 0ae9f90, 2a1a1e38,
    2a3885d2, 04620aa, b526485
  - Tools: + ToolSearch, mcp__github__{get_file_contents, pull_request_read,
    list_pull_requests, get_commit, search_code} (targeted cross-repo
    single-file reads per CLAUDE.md zipball-for-bulk-MCP-for-targeted rule)

PP-16 preflight-drift-auditor (474 + 686 LOC):
  - Pre-spawn drift hunter that automates the W-Meta-Opus manual audit
    method; verdict SPAWN-BLOCKED/SPAWN-CAUTION/SPAWN-CLEAR
  - PD1-PD10 catalogue: stale-CSI-resolved-via-commit (CSI-9), cross-planner
    D-id collision (CSI-19), pending-iron-rule-as-canonical (CSI-20),
    false cross-repo PR-merge (PP-12 ndarray PR #147), renamed-symbol
    downstream drift (CSI-15), spec-internal contradiction, iron-rule-on-
    wrong-branch, missing-integration-responsibility (CSI-13/8),
    TD-placeholder-consumed-as-resolved, plan-vs-board-inventory drift
  - Each PD has copy-paste-runnable verification command (git log / grep /
    file:line); W-Meta-Opus is cited as primary source 16+31 occurrences
  - Tools: + ToolSearch, mcp__github__{get_file_contents, list_pull_requests,
    get_commit, pull_request_read, list_commits, search_pull_requests}
    (cross-repo PR-merge claim verification is the role — exactly the gap
    that produced PP-12's false ndarray-PR-#147 drift)

All three cards: model: opus (multi-source synthesis per Model Policy),
read-only tools (no Edit/Write/MultiEdit — savants are auditors; writes
happen on main thread after their verdicts).

Both PP-14 and PP-15 independently flagged a meta-finding during prior-art
reads: their own sibling docs (PP-13 brutally-honest-tester +
codex-p1-anti-patterns) treat I-LEGACY-API-FEATURE-GATED as canonical
when it is still pending PR #390 ratification. Captured as BAP6 / PD3
respectively; aggregation sweep deferred to sprint-13 W-G7 cleanup.
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