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docs(r3): §S4 audit receipt landed (#1771 / #1873) - #1903

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May 6, 2026
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briansrls merged 61 commits into
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session/quiet-otter-416

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Summary

Pins docs/r3-design-schedule-2026-05-06.md §S4 with the 2026-05-06 audit-and-delta receipt on #1771 and #1873 closed — satisfies the audit half of the conjunctive S4 dispatch trigger; T-LBP COMPLETE called out as remaining.

Debt receipt (R3 standing program)

(3) No debt touched — schedule authority alignment only; no ROADMAP row retirement in this commit.

Test plan

  • Docs only.

Session: quiet-otter-416 · cycle #1862.

Made with Cursor

briansrls and others added 30 commits May 5, 2026 23:48
- Add scripts/check-pr-sg0-net-shrink-discipline.sh: when a pull_request
  touches sg0_census_test.rs, require PR body lines SG-0 hand-path delta:
  and SG-0 pairing: (a|b|c) for strict net +N adds; embedded --self-test.
- Wire ci job: full checkout, fetch origin/main, run checker + self-test.
- Extend PULL_REQUEST_TEMPLATE.md with SG-0 net-shrink section + anchors.
- ROADMAP: SG-0 PR-window net-shrink discipline row (process complement to
  BridgeLedgerZero course correction #4).

Co-authored-by: Cursor <cursoragent@cursor.com>
Tighten check-pr-sg0-net-shrink-discipline.sh: accept only signed integer
tokens (reject bogus -words), and require structured (a)/(b)/(c) pairing
evidence per PR template. Extend self-test with malformed cases.

Co-authored-by: Cursor <cursoragent@cursor.com>
Harden check-pr-sg0-net-shrink-discipline.sh: pick the first body line that
starts (after optional whitespace) with SG-0 pairing: so mid-line prose
cannot satisfy the gate; require --self-test/--check-body-only to be the
sole flag. Extend self-test for anchored vs substring-only cases.

Co-authored-by: Cursor <cursoragent@cursor.com>
After format/pairing validation on pull_request, compare the declared
net hand-path count to adds−removes of EXPECTED_* string rows in
sg0_census_test.rs (git diff origin/main...HEAD). Documents counter
limits in the script header.

Co-authored-by: Cursor <cursoragent@cursor.com>
Flatten pairing line + continuation for path/dispatch regexes so
"immediately after" matches template wording; add self-tests.

Co-authored-by: Cursor <cursoragent@cursor.com>
Replace `git diff --name-only … | grep -Fxq` with
`git diff --quiet origin/main...HEAD -- <census>`: under pipefail, early
grep exit can SIGPIPE git (exit 141), and `if !` then skips the gate.

Co-authored-by: Cursor <cursoragent@cursor.com>
Count EXPECTED_HAND_AUTHORED_{NON_TEST,TEST,FRAGMENTS} rows at origin/main
vs HEAD instead of diffing raw EXPECTED_* line churn (excludes
EXPECTED_GENERATED_* and other inventories). Propagate counter errors into
the mismatch gate.

Co-authored-by: Cursor <cursoragent@cursor.com>
Avoid printf|grep|awk pipelines on PR_BODY under pipefail (SIGPIPE false
missing-delta). Add template note: raw lines must start with SG-0…, not
markdown checklist bullets alone.

Co-authored-by: Cursor <cursoragent@cursor.com>
The gate already required ^SG-0 hand-path delta:; pairing used
^[[:space:]]*SG-0 pairing:, diverging from the template single-authority
contract. Anchor pairing extraction and (a)/(b)/(c) checks at column 0;
add self-test for indented pairing rejection.

Co-authored-by: Cursor <cursoragent@cursor.com>
The (a) gate accepted `removed <any-token>`, which could satisfy same-PR
retirement without naming a real path. Tighten to `src/v3/compiler/…` or
*.rs / *.txt after "removed"; add self-test for the weasel case.

Co-authored-by: Cursor <cursoragent@cursor.com>
Skipping the gate on a missing base ref was fail-open for PR runs.
CI already fetches main to origin/main; absent ref is a setup error.

Co-authored-by: Cursor <cursoragent@cursor.com>
…hority

Codex blocking: (a) no longer accepts standalone .rs / slash tokens without
the retirement keyword. Document fail-closed origin/main + (a) contract in
ROADMAP SG-0 bullet.

Co-authored-by: Cursor <cursoragent@cursor.com>
Address review nits: use read <<< for delta token first field; declare
pairing_flat with other function locals.

Co-authored-by: Cursor <cursoragent@cursor.com>
…nter

Claude exploratory: note trailing-comma row regex and single-line vs block
FRAGMENTS parsing so future census edits do not silently miscount.

Co-authored-by: Cursor <cursoragent@cursor.com>
Require exactly one NON_TEST/TEST/FRAGMENTS const each, reject unclosed arrays,
and exit nonzero from awk on malformed snapshots. Extend --self-test with
synthetic stdin cases for the counter path (gpt-5-5-pro P3/TESTING).

Co-authored-by: Cursor <cursoragent@cursor.com>
Claude exploratory: require `src/v3/compiler/…` for removed *.txt evidence
(short *.rs unchanged). Add census self-test for multiline FRAGMENTS (hand==1
path) and PR-body self-tests for bare .txt vs fragment-shaped .txt.

Co-authored-by: Cursor <cursoragent@cursor.com>
pull_request.body may be CRLF; +1\\r failed numeric token match. Normalize
before grep/read and add CRLF self-tests (+0, +1 (b), URL on next line).

Co-authored-by: Cursor <cursoragent@cursor.com>
…shape

Strip Rust line comments before matching rustfmt path rows; if a line still
contains a hand path literal but does not match the supported pattern, exit
nonzero (P3 fail-closed vs silent undercount). Add counter self-tests.

Co-authored-by: Cursor <cursoragent@cursor.com>
briansrls and others added 4 commits May 6, 2026 17:13
Debt-Paydown coordination: audit-and-delta prerequisite satisfied per
quick-ferret receipt; T-LBP COMPLETE remains for downstream S4 dispatch.

Co-authored-by: Cursor <cursoragent@cursor.com>
@briansrls

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Review metadata

  • Provider / model: codex / codex-default
  • Commit: b009fc15 · Trigger: schedule
  • Comparison: origin/main @ 66f57615 ... review/pr-1903-b009fc15 @ b009fc15
  • Thinking: 37s wall

Verdict: APPROVE

Diff is a narrow documentation receipt in docs/r3-design-schedule-2026-05-06.md:97 recording that the extdeps.github.actions audit landed and that only T-LBP COMPLETE remains before S4 dispatch. I don’t see a concrete violation of the pinned rubric: it reduces ambiguity rather than introducing parallel authority, and nothing in this diff touches code or tests in a way that would trigger CODING.md or TESTING.md concerns.

@briansrls

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quiet-otter-416 — codex api-review response

Verified on session/quiet-otter-416 @ b009fc15:

Finding: Review verdict APPROVE is correct; no fix commit.

— sent from quiet-otter-416

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Review metadata

  • Provider / model: codex / unknown
  • Commit: b009fc15 · Trigger: schedule
  • Thinking: 137s wall

Non-blocking — Strengths

  • docs/r3-design-schedule-2026-05-06.md Classified as design/docs; the added S4 receipt is scoped to the already-named audit prerequisite and preserves T-LBP COMPLETE as the remaining conjunctive dispatch blocker.

✅ No blocking concerns.

@briansrls

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quiet-otter-416 — codex api-review (second pass)

Cross-checked b009fc15: the §S4 addition remains only the audit receipt + T-LBP COMPLETE remainder sentence — same scope as the first codex run; no new drift vs origin/main.

Non-blocking strengths: Confirmed — receipt is anchored to the existing audit prerequisite in the schedule; it does not restate dispatch ownership or add a second authority for extdeps.github.actions.

Action: No commit; finding set is empty of blockers.

— sent from quiet-otter-416

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Review metadata

  • Provider / model: codex / codex-default
  • Commit: c82b5ed4 · Trigger: schedule
  • Comparison: origin/main @ 54419bad ... review/pr-1903-c82b5ed4 @ c82b5ed4
  • Thinking: 54s wall

Verdict: APPROVE

Diff is a narrow docs-only receipt update in docs/r3-design-schedule-2026-05-06.md. It stays consistent with the surrounding conjunctive trigger at docs/r3-design-schedule-2026-05-06.md by recording that the audit half is satisfied while explicitly keeping T-LBP COMPLETE as the remaining prerequisite, so I don’t see a concrete violation of the live-state, single-authority, or tracked-debt guidance from the referenced docs.

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quiet-otter-416 — codex api-review (c82b5ed4)

Pulled origin/session/quiet-otter-416 → c82b5ed4 (matches PR head). docs/r3-design-schedule-2026-05-06.md §S4:

  • ```95:97:docs/r3-design-schedule-2026-05-06.md keeps the **conjunctive dispatch trigger** (T-LBP COMPLETE` AND audit receipt); line 97 only records the audit half satisfied + `T-LBP COMPLETE` remaining — no split authority, no second dispatch surface.

Verdict: APPROVE review is consistent with tree; no fix commit.

— sent from quiet-otter-416

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Correction to prior reply formatting: cite targets docs/r3-design-schedule-2026-05-06.md lines 95–97 (dispatch trigger + audit receipt); substance unchanged.

— sent from quiet-otter-416

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Review metadata

  • Provider / model: cursor / composer-2
  • Commit: 352522c9 · Trigger: schedule
  • Comparison: origin/main @ 8ca25298 ... review/pr-1903-352522c9 @ 352522c9
  • Thinking: 13s wall

Findings

None. The only change is a short schedule note in docs/r3-design-schedule-2026-05-06.md (new paragraph after the §S4 dispatch-trigger bullet). It does not touch substrate, Rust, or tests. CODING.md / TESTING.md apply to compiler implementation and tests — nothing here violates them. INVARIANTS.md / modeling-discipline.md modeling rules are about typed substrate and boundaries; this diff only records that the audit-and-delta receipt is satisfied per linked issues and that T-LBP COMPLETE still gates dispatch — consistent with documenting live planning state, not inventing compiler facts.

Verdict: APPROVE — Narrow documentation update with clear receipts and an explicit remaining prerequisite; no rubric violations visible in the diff.

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quiet-otter-416 — cursor api-review (352522c9)

Verified HEAD = 352522c9 = PR head. git diff origin/main...HEAD touches only docs/r3-design-schedule-2026-05-06.md — the +3 line block is the §S4 Audit-and-delta receipt paragraph between the Dispatch trigger and Closure predicate bullets; no Rust, no dsl/, no tests.

INVARIANTS / modeling discipline: N/A to this diff — it links #1771 / #1873 and restates the conjunctive gate (audit half done, T-LBP COMPLETE still required), not new compiler or substrate claims.

Finding: None — APPROVE stands; no fix commit.

— sent from quiet-otter-416

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Review metadata

  • Provider / model: openai-pro / gpt-5-5-pro
  • Commit: 352522c9 · Trigger: manual
  • Comparison: main @ 8ca25298 ... session/quiet-otter-416 @ 352522c9
  • Conversation: View conversation

1. Story of the diff

This PR is a narrow documentation update to the R3 design schedule. In S4, the schedule already had a conjunctive dispatch trigger: lens behavioral parity must be complete, and an extdeps.github.actions audit-and-delta receipt must exist. The diff lands that receipt as prose: docs/r3-design-schedule-2026-05-06.md:97 records that the audit side landed on gunbc#1771, that tracked assignment #1873 is closed, and that T-LBP COMPLETE remains the remaining prerequisite before S4 substrate dispatch fires. No compiler code, substrate modeling, tests, or CI logic changes in this diff.

2. Invariant categories

  1. LAYER MODEL (substrate vs implementation).

N/A — docs-only change; no substrate type, Dag mutation path, cross-pass carrier, or dag.rs surface is touched.

  1. INVARIANTS.md + modeling-discipline.md.

Compliant — Progress Is Dissolution / scaffold-boundary discipline is preserved: docs/r3-design-schedule-2026-05-06.md:97 does not turn the audit receipt into a free-standing dispatch authority; it explicitly says “T-LBP COMPLETE remains the remaining prerequisite,” keeping the staged S4 trigger bounded and checkable.

  1. CODING.md.

N/A — no Rust implementation, helpers, APIs, error/result shapes, methods, or naming surfaces are changed.

  1. TESTING.md.

N/A — this is a prose schedule receipt only; it does not introduce executable behavior, a regression fix, or a new interface contract that would require hermetic or behavior-driven tests.

  1. LOCKED DESIGN DECISIONS.

N/A — the added line records the status of an existing S4 prerequisite; it does not alter a locked design decision or introduce an implicit divergence from one.

  1. TRACKED vs UNTRACKED DEBT.

Compliant — the diff adds a bounded receipt rather than a new scaffold: docs/r3-design-schedule-2026-05-06.md:97 names the satisfied audit half, the closed tracking assignment, and the remaining dissolution/dispatch trigger (T-LBP COMPLETE).

3. Verdict

APPROVE

The diff is a clean docs-only status receipt. It narrows S4 dispatch state by marking one prerequisite satisfied while preserving the remaining gate, and it does not introduce substrate, implementation, testing, locked-design, or untracked-debt risk.

@briansrls
briansrls merged commit 025cdf0 into main May 6, 2026
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quiet-otter-416 — openai-pro review (352522c9)

Re-checked current tip 119c45d7 (origin/session/quiet-otter-416): git diff origin/main...HEAD --name-only is still only docs/r3-design-schedule-2026-05-06.md (+3 lines). Intermediate commits are main merges; §S4 receipt prose at line 97 matches the review target (#1771 permalink, #1873 closed, T-LBP COMPLETE explicitly remaining).

Invariant walk:

  • Layer model / substrate: N/A — no .dag / Rust edits.
  • INVARIANTS / modeling discipline: Receipt does not replace the conjunctive trigger at line 95; it records audit half satisfied only — matches review Compliant read.
  • CODING / TESTING: N/A.
  • Locked decisions / debt: No new scaffold — bounded status receipt only.

Verdict: Review APPROVE remains valid on current branch tip; no fix commit.

— sent from quiet-otter-416

briansrls added a commit that referenced this pull request May 6, 2026
Replace stale OPEN marker for merged SG-0 discipline PR; cite landed DP1 and
§S4 receipt PRs; keep #1566 DRAFT rollup + gate #75 DECLARED + T-LBP cross-lane gate.

Debt receipt (R3 standing program): (3) No debt touched — plan delta only.

Co-authored-by: Cursor <cursoragent@cursor.com>
briansrls added a commit that referenced this pull request May 7, 2026
… delta

Per PB Mgr dispatch on inbox #1768 (assignment #1919, cycle #1861):
re-execute §Delta methodology against current origin/main HEAD
2c7d820 after recent bootstrap/substrate churn (Q-MachineConstraint
#1856, T-Numeric S9 #1840, #1807/#1892/#1903 paydown row refreshes,
T-V2 inventory #1848/#1850).

Verdict: no material delta. All audit findings reproduce; all
zero-coverage greps still return zero; B.2 authority-migration markers
in dag.rs still present.

Line-anchor drift summary (vs prior §Delta @ 530c76e):
- induction.dag: meet/join_sub_value -5 lines; int_pow_bounded /
  ceil_log / ceil_log_iter / master_theorem / derive_bound -3 lines
- termination.dag: peano / positive_descent / proportional_divisor
  +103/+105/+106 lines (file grew substantially; symbols still live)
- lib.rs Non-Arrow Callable fail-closed: shifted to :674; new second
  site at :2338 (same fail-closed semantics, different dispatch path)
- lower.rs lower_constructor_invocation: +~89 lines
- B.2 m2 oracle/shim block: structurally identical (no further drift)
- Cargo edges :37-38: unchanged
- dag.rs authority-migration markers: present at :1786-1798 (comment
  block) and :3587-3606 (typed accessor); semantic content unchanged

New §Delta subsection added; freshness pointer at top refreshed to
point to 2c7d820. Prior §Delta (530c76e) + B.2 reclassification
preserved for audit history.

Constraints honored: not S-1 authoring; no src/v2/ edits; no Cargo
edge removal; no code migration.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
briansrls added a commit that referenced this pull request May 7, 2026
… delta (#1919) (#1926)

* docs(audit): r3-pb tv2 population coverage — §Delta (2026-05-05) no material delta vs origin/main 530c76e

Re-executed live-on-main methodology vs current origin/main per Mgr dispatch
(inbox #1742). All audit findings reproduce: Pop A substrate live with zero
v3-side test coverage; non-Arrow Callable evaluator arm still parked; Pop B
v2 dependencies and Cargo edges still present. Only drift: minor line-number
shifts inside still-live declarations (substrate decls +1 line; B.2 oracle
+~217 lines as the file grew). Net dispatch order unchanged; single-authority
pointer to §Post-#1715 reclassification reaffirmed.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): r3-pb tv2 — line-anchor freshness pointer above §A (Mgr review #1805)

Per Mgr non-blocking suggestion on PR #1805: add a single sentence above §A
pointing readers to §Delta (2026-05-05+) for the live-offset drift table, so
skimmers who land in §A.* don't mis-click on author-time line cites.
Reaffirms feedback_section_anchors_over_line_numbers.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): r3-pb tv2 §Delta B.2 reclassification — substrate authority migration already landed (PR #1805 BLOCKING review)

Per blocking review on PR #1805 (codex sha:72667918): the §Delta B.2 row
incorrectly inferred from the surviving v2 oracle that Substrate authority
migration is still pending. Re-grep at HEAD 530c76e shows the migration
already landed:

- src/v3/compiler/src/dag.rs:1789-1791 doc comment names dsl/std/algebra.dag
  as the semantic authority and demotes v2 stage0 to "drift ratchet".
- src/v3/compiler/src/dag.rs:3596-3605 typed accessor reads the lowered
  data kernel_algebra_profile Map directly.
- src/v3/compiler/tests/integration/m2_substrate_inhabitance_test.rs:1239
  v3_kernel_algebra_profile_reads_lowered_dag_map_authority ratchets v3
  reading the lowered-Dag Map authority (P0 invariant).

B.2's remaining R3 PB-lane work is parity-test retirement + Cargo-edge drop,
not authority migration. Net dispatch order corrected: §3.2 collapses to a
PB-lane-internal mechanical retirement; no Substrate-Manager dispatch
needed for B.2 disposition. Pop A gate set unaffected (still
§"Post-#1715 reclassification").

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): sweep bare .md:NNN citations in 3 PB-owned R3 briefs

Per Director #1739 / `brief-authoring-checklist.md` §"Citation
discipline" + PB Mgr dispatch (mirror of Substrate-Mgr sweep at
127287a): replace bare `file.md:NNN` references with section-anchor
form across PB-owned `docs/briefs/r3-pb-*.md`.

Files swept (3 of 4 with bare citations under `r3-pb-*` glob):
- docs/briefs/r3-pb-runtime-equivalence-corpus-seed-audit.md (1)
- docs/briefs/r3-pb-t-fixedpoint-worker.md (3)
- docs/briefs/r3-pb-tier3-perf-budget-worker.md (4)

Conversions:
- `r2-evaluator-manager.md:27` → `r2-evaluator-manager.md` §"Owned
  deliverables (through R2 close)" — "Runtime value model" sub-lane row
- `r3-structure.md:59`, `:60` → `r3-structure.md` §"Lane gating summary"
- `r2-structure.md:296` → `r2-structure.md` §"R1 closure criteria"
  (the "`pb_self_compile_fixed_point` two-horizon semantics" paragraph)
- `r2-pure-bootstrap-manager.md:24` → `r2-pure-bootstrap-manager.md`
  §"Owns (post-R1 R2 program work)" — "Tier 3 mirror dissolutions:
  termination" row (and analogous for :25/:26/:27 → computation /
  induction / effect-carrier rows)
- `r2-pure-bootstrap-manager.md` §"Acceptance" line 101 →
  `r2-pure-bootstrap-manager.md` §"Acceptance"

Verification: `grep -nE '\.md:[0-9]+' <files>` returns zero matches
on the three swept briefs.

Out of scope: docs/briefs/r3-pb-regen-lens-consumer-audit.md (~14
bare citations into external doc/audit corpus) — deferred to a
follow-on sweep so this PR stays small per dispatch shape (≤4 files).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): sweep bare .md:NNN citations in regen-lens consumer audit

Follow-on to 23274a5 — completes the PB-owned `r3-pb-*.md` sweep.

File: docs/briefs/r3-pb-regen-lens-consumer-audit.md (4 cells across
"Documentation surface (authority chain)" and "Handoff points" tables;
~14 individual bare refs collapsed into stable section anchors).

Drift fix while sweeping: the row at line 90 cited `r3-structure.md:26,
:52, :107` as "T-LensProducer-Retirement sub-gate 3 acceptance"; lines
52 and 107 had drifted off-target ("Lens framework" / `anthropic_wire_*`
respectively). Replaced with the canonical anchors that actually carry
sub-gate 3 acceptance: §"Summary" item 2, §"Acceptance — `.dag` gates"
T-LensProducer-Retirement (`regen_lens_dot_rs_retired` row), and
§"Lane structure" T-LensProducer-Retirement row.

Verification: `grep -nE '\.md:[0-9]+' docs/briefs/r3-pb-regen-lens-consumer-audit.md`
returns zero matches. `.dag:` and `.rs:` line refs (code citations)
intentionally untouched per dispatch scope.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): fix two-horizon authority anchor in t-fixedpoint-worker

Address BLOCKING review on PR #1831 (briansrls 2026-05-06T09:25Z).

The previous sweep at 23274a5 preserved a drifted target: bare
`r3-structure.md:59` / `:60` lived in §"Lane gating summary" (the
14-of-18 evaluator-gating roll-up), but the brief was citing them as
authority for the `pb_self_compile_fixed_point` two-horizon semantics.
That authority actually lives at r3-structure.md:89-90 under
§"Acceptance — `.dag` gates" T-FixedPoint entry, "Two-horizon
clarification" sub-bullet. Sweep preserved the drift instead of fixing
it — same failure class as the r3-structure.md:52/:107 drift caught in
10e0355 on the regen-lens audit.

Conversions (3 sites in the brief, all corrected):
- §"Two-horizon framing": cite §"Acceptance — `.dag` gates"
  T-FixedPoint entry ("Two-horizon clarification" sub-bullet)
- §"Acceptance gate (`.dag`)" intro: cite §"Acceptance — `.dag` gates"
  T-FixedPoint entry (`pb_self_compile_fixed_point` row + Two-horizon
  clarification)
- "Two-horizon authority" footer cross-ref: same anchor

Verification: `grep -n "Lane gating summary" docs/briefs/r3-pb-t-fixedpoint-worker.md`
→ 0 matches. `grep -nE '\.md:[0-9]+' docs/briefs/r3-pb-*.md` → 0 matches.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): T-V2-Retirement mechanical inventory refresh @ 2d26ed2

Per PB Mgr dispatch on inbox #1768 (sleek-eagle-514). Refreshes the
per-surface inventory from `docs/audit/t-v2-retirement-migration-matrix.md`
§2 against current `origin/main` HEAD.

Docs-only; no code touched. No `src/v2/` deletion, no Cargo edge
removal. Inventory + grep receipts only.

Findings (refresh-class only — structural map unchanged):
- Population A: 15 → 16 files (new: pb_method_template_projection_
  consumability.rs). Same G-2 unit-retirement disposition.
- Population B test-file line citations drifted (m2 L991→L1209 etc.);
  Cargo edge citations drifted (Cargo.toml L32-33 → L37-38). Constructs
  unchanged.
- Population C dag.rs line set drifted (6 → 1 doc-comment at L1793).
- 10 additional cosmetic files surfaced (gap-fill vs matrix §2.3).
- Root `Cargo.toml` v2 references (L6/L8/L58/L61) inventoried — not
  previously listed in matrix.
- G-1 closure surface count: 4 (unchanged). No new substantive
  v2_compiler consumer since matrix authoring at 66edec5.

Cross-links every Population B/C row to migration-matrix § + S-1
input-packet decision row.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): fix reproducible grep command in T-V2 inventory

Address codex APPROVE_WITH_COMMENTS on PR #1848 (sha 6526307):
the matrix-cited reproduction command `grep -rEln '...' src/ tests/`
emits `grep: tests/: No such file or directory` because this repo has
no top-level `tests/` (Rust integration tests live under
`src/<crate>/tests/`, recursively covered by `src/`).

Replaced with `src/`-only form (same match set, runs cleanly). Added
§4 reproducibility note explaining the matrix's `tests/` argument is
a no-op on current tree, flagging matrix doc hygiene for separate
sweep. Renumbered "Constraints honored" §4 → §5.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): T-V2 inventory follow-up — unified census + C-data split

Address codex BLOCKING review on merged PR #1848 (sha 3c32690).

Two findings; both valid:

(1) Search authority was split across narrower greps. The matrix-cited
`\bv2_compiler(_tests)?\b` only matches underscored module paths
(v2_compiler / v2_compiler_tests) and misses the hyphenated Cargo dep
names (v2-compiler / v2-compiler-tests). Receipts in §1.2 B.2 used a
separate Cargo-only grep to compensate, but the cited "search authority"
header didn't reflect that. Replaced with a single unified census:

    grep -rEln 'src/v2/|\bv2[-_]compiler(_tests|-tests)?\b' src/ Cargo.toml dsl/

This catches every surface in one pass. Also surfaced one missed file
under the broader pattern: `dsl/gunbc/tools/ci_runner.dag:16`
(doc-comment with `cargo run -p v2-compiler` invocation example).

(2) `.dag` configuration-data refs were misclassified as Population C
cosmetic. `dsl/gunbc/compiler.dag:53`
`data compiler_source: SourceRoot = { path: "src/v2" }` is a typed
data declaration consumed by the compile pipeline — silently rewriting
it during a cosmetic G-2 sweep would either invalidate `compiler_source`
or quietly retarget the compile root without an authoring-time decision.
Reclassified as a new C-data row (§1.3 C.3) with named G-2 routing
to S-1 (input-packet Decision 6 scope coverage) rather than C-cosmetic
"sweep at G-2" default.

Net G-1 closure surface count: still 4 (unchanged).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): inventory line-completeness + 2nd C-data row (compiler.dag:270)

Address codex BLOCKING inline review on PR #1848 at line 10.

Reviewer claimed the unified grep `\bv2[-_]compiler(_tests|-tests)?\b`
misses three sites; verified directly: regex catches all three. The
substantive issue is **inventory line-completeness**, not regex
coverage — earlier passes enumerated FILES not all line-hits within
files.

Fixes:
- Population B `p0_std_render_repeat_string_test.rs`: add L25 body-of-
  test call to `v2_compiler::v2_std_core::diagnostic_to_message`
  (matrix §3.1 only listed `use`-decls L9-L11; this is a 4th
  substantive line in the same file). Same Decision 1 disposition.
- Population C `pb_method_template_projection_dag_emit_test.rs`: add
  L24 (was L28/L54).
- Population C `SELF_HOSTING.md`: add L1178 (`cargo test -p
  v2-compiler-tests ci_freshness` doc reference).
- Population C-data: add 2nd row, `dsl/gunbc/compiler.dag:270`
  `data test_package: NonEmptyStr = "v2-compiler-tests"` — typed
  config naming the Cargo test crate, tied to Cargo edge §B.2
  retirement. Same C-data class as compiler.dag:53; routed to S-1.

Net G-1 closure surface count: still 4 (unchanged — L25 is in an
already-counted Population B file).

C-data sub-class: 1 → 2 entries.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): widen regex + renumber §3 + §2 C-data rows + framing

Address codex (openai-pro) REQUEST_CHANGES + PB Mgr editorial nits on
PR #1850.

Codex BLOCKING (real bug):
- Unified census `src/v2/|...` requires trailing slash; misses
  `path: "src/v2"` literal — the very C-data row this audit created.
  Widen to `src/v2\b|...` (word-boundary, no trailing-slash
  requirement). Verified: `grep -nE 'src/v2\b' dsl/gunbc/compiler.dag`
  catches both L29 (path-prefix) and L53 (string-literal).
- Added regex evolution log to §"Search authority" so future refreshes
  trace v1 → v2 → v3 of the canonical command.

PB Mgr editorial:
- §3 Summary deltas: renumber broken sequence (had two "6." entries
  and an out-of-order "7."); now clean 1..9.
- §Scope: realign opening from `src/ + tests/ + Cargo.toml` to
  `src/ + Cargo.toml + dsl/` matching §"Search authority".
- §2 Cross-reference table: split out explicit C-data rows for
  `compiler.dag:53` and `:270` (previously folded into a generic
  "dsl/gunbc/{compiler,...}.dag" cosmetic cell). Both now visible
  with their S-1 Decision 6 routing and (for :270) tie-back to
  §B.2 Decision 3 Cargo edge retirement.
- §5 "adds one new docs-only file" reworded to acknowledge this is
  an edit-in-place follow-up to #1848.

Net G-1 closure surface count: still 4 (unchanged).
Net regex coverage: unified command now catches all 21 line-level
hits in one pass (was 19 with trailing-slash form).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): refresh HEAD-verified pin per PB Mgr optional nit

PB Mgr review on #1850 suggested adding a one-line note that
methodology deltas were validated at merge-base after #1848 (line
cites can drift on busy main). Refreshed the HEAD-verified note in
the doc header to acknowledge initial-vs-follow-up validation
windows + name the spot-checked surfaces.

Editorial only; no inventory changes. All four PB Mgr must-fix /
should-fix items already in b9958df.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): fix unified-census flag (-rEln → -rEn) for line-level claim

Address codex REQUEST_CHANGES on PR #1850 sha f783475: `-l` prints
filenames only, contradicting the doc's claim that the unified
command produces "line-level enumeration" (§3 Δ7). The matrix
cites `-rEln` because matrix is file-level inventory; this doc
shifted to line-level but kept the `l` flag.

Drop `l` → `-rEn`. Added a one-line note explaining the flag
delta vs the matrix-cited form.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): correct compiler.dag:270 routing — G-2 package, not G-1 edge

Address codex BLOCKING on PR #1850 (sha 15faffa): the C-data row at
`dsl/gunbc/compiler.dag:270` (`test_package = "v2-compiler-tests"`)
was incorrectly tied to §B.2 Decision 3 (G-1 dev-dep edge retirement).
That conflates two distinct removals:

- G-1 / §B.2 Decision 3: deletes the dev-dep edge in
  `src/v3/compiler/Cargo.toml` — consumer-side dependency removed,
  but the `v2-compiler-tests` Cargo package itself still exists at
  workspace root.
- G-2 / root workspace removal: deletes `src/v2/tests` workspace
  member (§1.4 root Cargo.toml L8) — the published package name
  goes away.

The data row points at a *package name*, which remains valid post-G-1
and only becomes stale at G-2. Re-routed to a separate S-1 G-2
decision (CI test package retargeting), explicitly not tied to
B.2/Decision 3. Updated both §1.3 C.3 row and §2 cross-ref row to
reflect the correction.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): align §2 cross-ref pb_method_template line set with §1.3

cursor optional nit on PR #1850: §2 cross-reference table listed
`pb_method_template_projection_dag_emit_test.rs:28,54` while
§1.3 C.2 and §3 Δ7 include L24 too. Pure doc hygiene; line set
now consistent (L24,28,54).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): align intro line-citation framing with HEAD-verified note

cursor optional polish on PR #1850: intro said "Every cell below cites
a live grep / file/line on 2d26ed2" while the HEAD verified note
acknowledges follow-up validations after #1848. Aligned the two:
initial cells pinned to 2d26ed2; follow-up additions validated
post-#1848 merge; future refreshes should re-pin HEAD before citing.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): refresh BinShim row-1 packet HEAD pin (9cf6dd2 → 831080d)

Per PB Mgr dispatch on inbox #1768 (assignment #1890): re-run §Verified
row-#1 receipts against latest origin/main HEAD.

Re-verification at HEAD 831080d (2026-05-06):
- rg for `regen_lens_main` / `*_main -> ProcessExit` entry: no match
  (NOT-LIVE unchanged)
- ls dsl/std/runtime/bin_shims/: README.md only (framework-only,
  unchanged)
- All cited surfaces still resolve at the previously-pinned line
  numbers: process.dag :39 (ProcessExit) / :41 (ExitFailure) / :50
  (exit_failure helper); bin_shim.dag :19 (BinShim type with
  entrypoint_name)

Verdict unchanged: row-#1 NOT-LIVE; Shape A/B/C disposition is still
the head-of-chain blocker. Doc body needed only the HEAD pin refresh
+ a re-verification note acknowledging the HEAD delta (#1503 PR-E E7,
T-Numeric-Construction S9, Q-MachineConstraint #1856, T-V2 inventory
#1848/#1850, etc.) without `regen_lens_main` authoring.

No Shape pick. No regen_lens_main. No carrier/loader edits.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): T-V2 population audit §Delta (2026-05-06) — no material delta

Per PB Mgr dispatch on inbox #1768 (assignment #1919, cycle #1861):
re-execute §Delta methodology against current origin/main HEAD
2c7d820 after recent bootstrap/substrate churn (Q-MachineConstraint
#1856, T-Numeric S9 #1840, #1807/#1892/#1903 paydown row refreshes,
T-V2 inventory #1848/#1850).

Verdict: no material delta. All audit findings reproduce; all
zero-coverage greps still return zero; B.2 authority-migration markers
in dag.rs still present.

Line-anchor drift summary (vs prior §Delta @ 530c76e):
- induction.dag: meet/join_sub_value -5 lines; int_pow_bounded /
  ceil_log / ceil_log_iter / master_theorem / derive_bound -3 lines
- termination.dag: peano / positive_descent / proportional_divisor
  +103/+105/+106 lines (file grew substantially; symbols still live)
- lib.rs Non-Arrow Callable fail-closed: shifted to :674; new second
  site at :2338 (same fail-closed semantics, different dispatch path)
- lower.rs lower_constructor_invocation: +~89 lines
- B.2 m2 oracle/shim block: structurally identical (no further drift)
- Cargo edges :37-38: unchanged
- dag.rs authority-migration markers: present at :1786-1798 (comment
  block) and :3587-3606 (typed accessor); semantic content unchanged

New §Delta subsection added; freshness pointer at top refreshed to
point to 2c7d820. Prior §Delta (530c76e) + B.2 reclassification
preserved for audit history.

Constraints honored: not S-1 authoring; no src/v2/ edits; no Cargo
edge removal; no code migration.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): align §Delta grep flags (-rcE → -rnE) per PB Mgr nit on #1926

Rest of the audit file uses `-rnE` (line-numbered output, call-site-
capable per the existing per-row narrative). The new §Delta (2026-05-06)
table inadvertently used `-rcE` (count-only). Aligned with the rest of
the file; flag now consistent across all 8 grep invocations in §A and
§Delta tables.

Non-blocking nit only; no semantic change.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
briansrls added a commit that referenced this pull request May 7, 2026
… (followup #1926) (#1930)

* docs(audit): r3-pb tv2 population coverage — §Delta (2026-05-05) no material delta vs origin/main 530c76e

Re-executed live-on-main methodology vs current origin/main per Mgr dispatch
(inbox #1742). All audit findings reproduce: Pop A substrate live with zero
v3-side test coverage; non-Arrow Callable evaluator arm still parked; Pop B
v2 dependencies and Cargo edges still present. Only drift: minor line-number
shifts inside still-live declarations (substrate decls +1 line; B.2 oracle
+~217 lines as the file grew). Net dispatch order unchanged; single-authority
pointer to §Post-#1715 reclassification reaffirmed.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): r3-pb tv2 — line-anchor freshness pointer above §A (Mgr review #1805)

Per Mgr non-blocking suggestion on PR #1805: add a single sentence above §A
pointing readers to §Delta (2026-05-05+) for the live-offset drift table, so
skimmers who land in §A.* don't mis-click on author-time line cites.
Reaffirms feedback_section_anchors_over_line_numbers.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): r3-pb tv2 §Delta B.2 reclassification — substrate authority migration already landed (PR #1805 BLOCKING review)

Per blocking review on PR #1805 (codex sha:72667918): the §Delta B.2 row
incorrectly inferred from the surviving v2 oracle that Substrate authority
migration is still pending. Re-grep at HEAD 530c76e shows the migration
already landed:

- src/v3/compiler/src/dag.rs:1789-1791 doc comment names dsl/std/algebra.dag
  as the semantic authority and demotes v2 stage0 to "drift ratchet".
- src/v3/compiler/src/dag.rs:3596-3605 typed accessor reads the lowered
  data kernel_algebra_profile Map directly.
- src/v3/compiler/tests/integration/m2_substrate_inhabitance_test.rs:1239
  v3_kernel_algebra_profile_reads_lowered_dag_map_authority ratchets v3
  reading the lowered-Dag Map authority (P0 invariant).

B.2's remaining R3 PB-lane work is parity-test retirement + Cargo-edge drop,
not authority migration. Net dispatch order corrected: §3.2 collapses to a
PB-lane-internal mechanical retirement; no Substrate-Manager dispatch
needed for B.2 disposition. Pop A gate set unaffected (still
§"Post-#1715 reclassification").

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): sweep bare .md:NNN citations in 3 PB-owned R3 briefs

Per Director #1739 / `brief-authoring-checklist.md` §"Citation
discipline" + PB Mgr dispatch (mirror of Substrate-Mgr sweep at
127287a): replace bare `file.md:NNN` references with section-anchor
form across PB-owned `docs/briefs/r3-pb-*.md`.

Files swept (3 of 4 with bare citations under `r3-pb-*` glob):
- docs/briefs/r3-pb-runtime-equivalence-corpus-seed-audit.md (1)
- docs/briefs/r3-pb-t-fixedpoint-worker.md (3)
- docs/briefs/r3-pb-tier3-perf-budget-worker.md (4)

Conversions:
- `r2-evaluator-manager.md:27` → `r2-evaluator-manager.md` §"Owned
  deliverables (through R2 close)" — "Runtime value model" sub-lane row
- `r3-structure.md:59`, `:60` → `r3-structure.md` §"Lane gating summary"
- `r2-structure.md:296` → `r2-structure.md` §"R1 closure criteria"
  (the "`pb_self_compile_fixed_point` two-horizon semantics" paragraph)
- `r2-pure-bootstrap-manager.md:24` → `r2-pure-bootstrap-manager.md`
  §"Owns (post-R1 R2 program work)" — "Tier 3 mirror dissolutions:
  termination" row (and analogous for :25/:26/:27 → computation /
  induction / effect-carrier rows)
- `r2-pure-bootstrap-manager.md` §"Acceptance" line 101 →
  `r2-pure-bootstrap-manager.md` §"Acceptance"

Verification: `grep -nE '\.md:[0-9]+' <files>` returns zero matches
on the three swept briefs.

Out of scope: docs/briefs/r3-pb-regen-lens-consumer-audit.md (~14
bare citations into external doc/audit corpus) — deferred to a
follow-on sweep so this PR stays small per dispatch shape (≤4 files).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): sweep bare .md:NNN citations in regen-lens consumer audit

Follow-on to 23274a5 — completes the PB-owned `r3-pb-*.md` sweep.

File: docs/briefs/r3-pb-regen-lens-consumer-audit.md (4 cells across
"Documentation surface (authority chain)" and "Handoff points" tables;
~14 individual bare refs collapsed into stable section anchors).

Drift fix while sweeping: the row at line 90 cited `r3-structure.md:26,
:52, :107` as "T-LensProducer-Retirement sub-gate 3 acceptance"; lines
52 and 107 had drifted off-target ("Lens framework" / `anthropic_wire_*`
respectively). Replaced with the canonical anchors that actually carry
sub-gate 3 acceptance: §"Summary" item 2, §"Acceptance — `.dag` gates"
T-LensProducer-Retirement (`regen_lens_dot_rs_retired` row), and
§"Lane structure" T-LensProducer-Retirement row.

Verification: `grep -nE '\.md:[0-9]+' docs/briefs/r3-pb-regen-lens-consumer-audit.md`
returns zero matches. `.dag:` and `.rs:` line refs (code citations)
intentionally untouched per dispatch scope.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): fix two-horizon authority anchor in t-fixedpoint-worker

Address BLOCKING review on PR #1831 (briansrls 2026-05-06T09:25Z).

The previous sweep at 23274a5 preserved a drifted target: bare
`r3-structure.md:59` / `:60` lived in §"Lane gating summary" (the
14-of-18 evaluator-gating roll-up), but the brief was citing them as
authority for the `pb_self_compile_fixed_point` two-horizon semantics.
That authority actually lives at r3-structure.md:89-90 under
§"Acceptance — `.dag` gates" T-FixedPoint entry, "Two-horizon
clarification" sub-bullet. Sweep preserved the drift instead of fixing
it — same failure class as the r3-structure.md:52/:107 drift caught in
10e0355 on the regen-lens audit.

Conversions (3 sites in the brief, all corrected):
- §"Two-horizon framing": cite §"Acceptance — `.dag` gates"
  T-FixedPoint entry ("Two-horizon clarification" sub-bullet)
- §"Acceptance gate (`.dag`)" intro: cite §"Acceptance — `.dag` gates"
  T-FixedPoint entry (`pb_self_compile_fixed_point` row + Two-horizon
  clarification)
- "Two-horizon authority" footer cross-ref: same anchor

Verification: `grep -n "Lane gating summary" docs/briefs/r3-pb-t-fixedpoint-worker.md`
→ 0 matches. `grep -nE '\.md:[0-9]+' docs/briefs/r3-pb-*.md` → 0 matches.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): T-V2-Retirement mechanical inventory refresh @ 2d26ed2

Per PB Mgr dispatch on inbox #1768 (sleek-eagle-514). Refreshes the
per-surface inventory from `docs/audit/t-v2-retirement-migration-matrix.md`
§2 against current `origin/main` HEAD.

Docs-only; no code touched. No `src/v2/` deletion, no Cargo edge
removal. Inventory + grep receipts only.

Findings (refresh-class only — structural map unchanged):
- Population A: 15 → 16 files (new: pb_method_template_projection_
  consumability.rs). Same G-2 unit-retirement disposition.
- Population B test-file line citations drifted (m2 L991→L1209 etc.);
  Cargo edge citations drifted (Cargo.toml L32-33 → L37-38). Constructs
  unchanged.
- Population C dag.rs line set drifted (6 → 1 doc-comment at L1793).
- 10 additional cosmetic files surfaced (gap-fill vs matrix §2.3).
- Root `Cargo.toml` v2 references (L6/L8/L58/L61) inventoried — not
  previously listed in matrix.
- G-1 closure surface count: 4 (unchanged). No new substantive
  v2_compiler consumer since matrix authoring at 66edec5.

Cross-links every Population B/C row to migration-matrix § + S-1
input-packet decision row.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): fix reproducible grep command in T-V2 inventory

Address codex APPROVE_WITH_COMMENTS on PR #1848 (sha 6526307):
the matrix-cited reproduction command `grep -rEln '...' src/ tests/`
emits `grep: tests/: No such file or directory` because this repo has
no top-level `tests/` (Rust integration tests live under
`src/<crate>/tests/`, recursively covered by `src/`).

Replaced with `src/`-only form (same match set, runs cleanly). Added
§4 reproducibility note explaining the matrix's `tests/` argument is
a no-op on current tree, flagging matrix doc hygiene for separate
sweep. Renumbered "Constraints honored" §4 → §5.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): T-V2 inventory follow-up — unified census + C-data split

Address codex BLOCKING review on merged PR #1848 (sha 3c32690).

Two findings; both valid:

(1) Search authority was split across narrower greps. The matrix-cited
`\bv2_compiler(_tests)?\b` only matches underscored module paths
(v2_compiler / v2_compiler_tests) and misses the hyphenated Cargo dep
names (v2-compiler / v2-compiler-tests). Receipts in §1.2 B.2 used a
separate Cargo-only grep to compensate, but the cited "search authority"
header didn't reflect that. Replaced with a single unified census:

    grep -rEln 'src/v2/|\bv2[-_]compiler(_tests|-tests)?\b' src/ Cargo.toml dsl/

This catches every surface in one pass. Also surfaced one missed file
under the broader pattern: `dsl/gunbc/tools/ci_runner.dag:16`
(doc-comment with `cargo run -p v2-compiler` invocation example).

(2) `.dag` configuration-data refs were misclassified as Population C
cosmetic. `dsl/gunbc/compiler.dag:53`
`data compiler_source: SourceRoot = { path: "src/v2" }` is a typed
data declaration consumed by the compile pipeline — silently rewriting
it during a cosmetic G-2 sweep would either invalidate `compiler_source`
or quietly retarget the compile root without an authoring-time decision.
Reclassified as a new C-data row (§1.3 C.3) with named G-2 routing
to S-1 (input-packet Decision 6 scope coverage) rather than C-cosmetic
"sweep at G-2" default.

Net G-1 closure surface count: still 4 (unchanged).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): inventory line-completeness + 2nd C-data row (compiler.dag:270)

Address codex BLOCKING inline review on PR #1848 at line 10.

Reviewer claimed the unified grep `\bv2[-_]compiler(_tests|-tests)?\b`
misses three sites; verified directly: regex catches all three. The
substantive issue is **inventory line-completeness**, not regex
coverage — earlier passes enumerated FILES not all line-hits within
files.

Fixes:
- Population B `p0_std_render_repeat_string_test.rs`: add L25 body-of-
  test call to `v2_compiler::v2_std_core::diagnostic_to_message`
  (matrix §3.1 only listed `use`-decls L9-L11; this is a 4th
  substantive line in the same file). Same Decision 1 disposition.
- Population C `pb_method_template_projection_dag_emit_test.rs`: add
  L24 (was L28/L54).
- Population C `SELF_HOSTING.md`: add L1178 (`cargo test -p
  v2-compiler-tests ci_freshness` doc reference).
- Population C-data: add 2nd row, `dsl/gunbc/compiler.dag:270`
  `data test_package: NonEmptyStr = "v2-compiler-tests"` — typed
  config naming the Cargo test crate, tied to Cargo edge §B.2
  retirement. Same C-data class as compiler.dag:53; routed to S-1.

Net G-1 closure surface count: still 4 (unchanged — L25 is in an
already-counted Population B file).

C-data sub-class: 1 → 2 entries.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): widen regex + renumber §3 + §2 C-data rows + framing

Address codex (openai-pro) REQUEST_CHANGES + PB Mgr editorial nits on
PR #1850.

Codex BLOCKING (real bug):
- Unified census `src/v2/|...` requires trailing slash; misses
  `path: "src/v2"` literal — the very C-data row this audit created.
  Widen to `src/v2\b|...` (word-boundary, no trailing-slash
  requirement). Verified: `grep -nE 'src/v2\b' dsl/gunbc/compiler.dag`
  catches both L29 (path-prefix) and L53 (string-literal).
- Added regex evolution log to §"Search authority" so future refreshes
  trace v1 → v2 → v3 of the canonical command.

PB Mgr editorial:
- §3 Summary deltas: renumber broken sequence (had two "6." entries
  and an out-of-order "7."); now clean 1..9.
- §Scope: realign opening from `src/ + tests/ + Cargo.toml` to
  `src/ + Cargo.toml + dsl/` matching §"Search authority".
- §2 Cross-reference table: split out explicit C-data rows for
  `compiler.dag:53` and `:270` (previously folded into a generic
  "dsl/gunbc/{compiler,...}.dag" cosmetic cell). Both now visible
  with their S-1 Decision 6 routing and (for :270) tie-back to
  §B.2 Decision 3 Cargo edge retirement.
- §5 "adds one new docs-only file" reworded to acknowledge this is
  an edit-in-place follow-up to #1848.

Net G-1 closure surface count: still 4 (unchanged).
Net regex coverage: unified command now catches all 21 line-level
hits in one pass (was 19 with trailing-slash form).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): refresh HEAD-verified pin per PB Mgr optional nit

PB Mgr review on #1850 suggested adding a one-line note that
methodology deltas were validated at merge-base after #1848 (line
cites can drift on busy main). Refreshed the HEAD-verified note in
the doc header to acknowledge initial-vs-follow-up validation
windows + name the spot-checked surfaces.

Editorial only; no inventory changes. All four PB Mgr must-fix /
should-fix items already in b9958df.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): fix unified-census flag (-rEln → -rEn) for line-level claim

Address codex REQUEST_CHANGES on PR #1850 sha f783475: `-l` prints
filenames only, contradicting the doc's claim that the unified
command produces "line-level enumeration" (§3 Δ7). The matrix
cites `-rEln` because matrix is file-level inventory; this doc
shifted to line-level but kept the `l` flag.

Drop `l` → `-rEn`. Added a one-line note explaining the flag
delta vs the matrix-cited form.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): correct compiler.dag:270 routing — G-2 package, not G-1 edge

Address codex BLOCKING on PR #1850 (sha 15faffa): the C-data row at
`dsl/gunbc/compiler.dag:270` (`test_package = "v2-compiler-tests"`)
was incorrectly tied to §B.2 Decision 3 (G-1 dev-dep edge retirement).
That conflates two distinct removals:

- G-1 / §B.2 Decision 3: deletes the dev-dep edge in
  `src/v3/compiler/Cargo.toml` — consumer-side dependency removed,
  but the `v2-compiler-tests` Cargo package itself still exists at
  workspace root.
- G-2 / root workspace removal: deletes `src/v2/tests` workspace
  member (§1.4 root Cargo.toml L8) — the published package name
  goes away.

The data row points at a *package name*, which remains valid post-G-1
and only becomes stale at G-2. Re-routed to a separate S-1 G-2
decision (CI test package retargeting), explicitly not tied to
B.2/Decision 3. Updated both §1.3 C.3 row and §2 cross-ref row to
reflect the correction.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): align §2 cross-ref pb_method_template line set with §1.3

cursor optional nit on PR #1850: §2 cross-reference table listed
`pb_method_template_projection_dag_emit_test.rs:28,54` while
§1.3 C.2 and §3 Δ7 include L24 too. Pure doc hygiene; line set
now consistent (L24,28,54).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(audit): align intro line-citation framing with HEAD-verified note

cursor optional polish on PR #1850: intro said "Every cell below cites
a live grep / file/line on 2d26ed2" while the HEAD verified note
acknowledges follow-up validations after #1848. Aligned the two:
initial cells pinned to 2d26ed2; follow-up additions validated
post-#1848 merge; future refreshes should re-pin HEAD before citing.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): refresh BinShim row-1 packet HEAD pin (9cf6dd2 → 831080d)

Per PB Mgr dispatch on inbox #1768 (assignment #1890): re-run §Verified
row-#1 receipts against latest origin/main HEAD.

Re-verification at HEAD 831080d (2026-05-06):
- rg for `regen_lens_main` / `*_main -> ProcessExit` entry: no match
  (NOT-LIVE unchanged)
- ls dsl/std/runtime/bin_shims/: README.md only (framework-only,
  unchanged)
- All cited surfaces still resolve at the previously-pinned line
  numbers: process.dag :39 (ProcessExit) / :41 (ExitFailure) / :50
  (exit_failure helper); bin_shim.dag :19 (BinShim type with
  entrypoint_name)

Verdict unchanged: row-#1 NOT-LIVE; Shape A/B/C disposition is still
the head-of-chain blocker. Doc body needed only the HEAD pin refresh
+ a re-verification note acknowledging the HEAD delta (#1503 PR-E E7,
T-Numeric-Construction S9, Q-MachineConstraint #1856, T-V2 inventory
#1848/#1850, etc.) without `regen_lens_main` authoring.

No Shape pick. No regen_lens_main. No carrier/loader edits.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): T-V2 population audit §Delta (2026-05-06) — no material delta

Per PB Mgr dispatch on inbox #1768 (assignment #1919, cycle #1861):
re-execute §Delta methodology against current origin/main HEAD
2c7d820 after recent bootstrap/substrate churn (Q-MachineConstraint
#1856, T-Numeric S9 #1840, #1807/#1892/#1903 paydown row refreshes,
T-V2 inventory #1848/#1850).

Verdict: no material delta. All audit findings reproduce; all
zero-coverage greps still return zero; B.2 authority-migration markers
in dag.rs still present.

Line-anchor drift summary (vs prior §Delta @ 530c76e):
- induction.dag: meet/join_sub_value -5 lines; int_pow_bounded /
  ceil_log / ceil_log_iter / master_theorem / derive_bound -3 lines
- termination.dag: peano / positive_descent / proportional_divisor
  +103/+105/+106 lines (file grew substantially; symbols still live)
- lib.rs Non-Arrow Callable fail-closed: shifted to :674; new second
  site at :2338 (same fail-closed semantics, different dispatch path)
- lower.rs lower_constructor_invocation: +~89 lines
- B.2 m2 oracle/shim block: structurally identical (no further drift)
- Cargo edges :37-38: unchanged
- dag.rs authority-migration markers: present at :1786-1798 (comment
  block) and :3587-3606 (typed accessor); semantic content unchanged

New §Delta subsection added; freshness pointer at top refreshed to
point to 2c7d820. Prior §Delta (530c76e) + B.2 reclassification
preserved for audit history.

Constraints honored: not S-1 authoring; no src/v2/ edits; no Cargo
edge removal; no code migration.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): align §Delta grep flags (-rcE → -rnE) per PB Mgr nit on #1926

Rest of the audit file uses `-rnE` (line-numbered output, call-site-
capable per the existing per-row narrative). The new §Delta (2026-05-06)
table inadvertently used `-rcE` (count-only). Aligned with the rest of
the file; flag now consistent across all 8 grep invocations in §A and
§Delta tables.

Non-blocking nit only; no semantic change.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs(briefs): clarify markdown-table escape note in §Delta grep cells

Address codex REQUEST_CHANGES on merged PR #1926 (sha c68800f, openai-pro
review 2026-05-07T00:27Z): \`\|\` inside table cells under \`grep -E\` is
ambiguous in raw markdown source — \`\|\` is a markdown-table escape
that renders as \`|\`, but a reader copying the raw source into a shell
would get a literal pipe (no alternation).

Verified both parses at HEAD \`2c7d82031\`:
- as-written (literal \`\|\`): 0 matches
- as-rendered/alternation (\`|\`): 0 matches

The audit's "no material delta" verdict holds under either parse. The
\`\|\` convention is load-bearing across the file (§Population A row
cells at L25/L35/L45/L55, prior §Delta table at L183-186) — so the fix
is to add a clarifying note above the §Delta table explaining the
markdown-table escape, not to break the existing convention.

Followup PR (since #1926 already merged before review arrived).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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