board: post-merge arc + state entries for #880 — and record the arc gap for #862/#875/#876/#879 - #881
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…ap for #862/#875/#876/#879 PR_ARC_INVENTORY prepend for #880 (Added / Locked / Withdrawn / Deferred / Review / Process / Docs / Confidence) and the matching LATEST_STATE entry, written immediately on merge rather than as later cleanup — the delay IS the anti-pattern the file's own 2026-07-27 recovery note documents. Also records, at the top of the arc, that the practice broke again: no arc entry exists for #862, #875, #876 or #879. This entry does not reconstruct them; it makes the gap visible instead of silent. Reconstruction (merged diffs + commit messages + PR bodies + review record, never inference) is queued. The session writing this drove two of the missing PRs and wrote no entry at the time — naming that is the point. The #880 entry pins what the plan locked before any measurement: the pre-registered W2 parallelism thresholds, the dichotomous-statistics naming discipline, reliability-not-validity, the MailboxFleet-over-registry withdrawal with its structural reason, and the operator ruling that the HashMap fleet is a deliberate order-free keyed store ordered by temporal.rs at read time. It also records the public/private separation-of-concerns violation and its remediation, with the residue stated honestly. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01K3RyLEbuNSHxxB3NTTrGki
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📝 WalkthroughWalkthroughThis PR adds append-only board records for the merged 64k inverted-awareness plan and PR history. It documents design decisions, measurement rules, open work, governance findings, and documentation corrections. No behavioral code changes are included. ChangesBoard documentation
Estimated code review effort: 1 (Trivial) | ~3 minutes Possibly related PRs
Suggested reviewers: Poem
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#570 collapsed the OpenProject/Redmine bridges onto UnifiedBridge<P> and EXPLICITLY DEFERRED the Healthcare one until the codebook promotion; that collapse landed later, in a PR the bridge doc-comment does not name. The entry as first written credited #570 with a collapse it deferred. Corrected to describe the pattern accurately and to say the specific PR is unverified rather than guess a number — a wrong citation in an append-only arc is worse than an acknowledged gap. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01K3RyLEbuNSHxxB3NTTrGki
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…tatistics work as C1b Post-merge hygiene, written on merge rather than as later cleanup (the delay is the anti-pattern the arc's own recovery note documents). Arc entries for #881, #882 and #883, plus the matching LATEST_STATE entry. The #883 entry records the ruling in its canonical wording: #879 is the complete and independent production phase-progression path; KanbanActor has no assigned architectural responsibility and its presence designates it as the future home of nothing. It also records the separation that must not blur -- MulAdvance and drive_mul_advance are legacy actor-message WRAPPERS, not the canonical MUL reasoning engine; gate_decision_i4 is independent, consumed directly by the #879 path, and not deprecated; the NARS recipes and awareness rung ladder are separate and untouched. The spawn inventory is recorded as deletion-impact evidence and a removal work-list only, with no architectural legitimacy. Restores the statistics scope that was deliberately removed from #883, now as its own deliverable rather than mixed into a legacy-surface correction: - C1 result: jc is in-tree; reliability.rs ships pearson / spearman / cronbach_alpha / icc (Icc2_1, Icc3_1), plus jirak.rs for the C4 noise floors. phi = pearson on two binary variables and KR-20 = alpha on dichotomous items, so those two renames are reporting work, not new math. kappa is absent from jc entirely -- the real gap, and it blocks D3's fusion falsifier. - C1b: kappa + McDonald's omega + effect size (Effektstärke), ADDITIVE ONLY. pearson/spearman/cronbach_alpha/icc stay untouched; any diff editing an existing jc statistic is an automatic reject, independent of merit. - C2 corrected: kappa is a SEPARATE estimator, not a renamed ICC. ICC stays ICC for the non-binary escalation only. No code, no runtime behaviour, no actor content. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01K3RyLEbuNSHxxB3NTTrGki
#884 was itself the post-merge hygiene PR for #881/#882/#883 — and it merged without its own arc entry, reproducing one level up exactly the gap it was written to close. Writing the hygiene PR does not discharge the rule for the hygiene PR. Entry added, with that noted in it. Records what #884 locked: - The C1 audit finding: phi = pearson-on-binaries and KR-20 = alpha-on-dichotomous are the SAME computations already in jc (named wrapper + caveat only, arithmetic not re-implemented); kappa is absent and is NOT a renamed ICC — the real gap, and the one that blocks D3's fusion falsifier. - Effect size means the r-family: R, R-squared, eta-squared, phi. Cohen's d explicitly out, calculated separately if ever wanted. The t-test is the significance companion to eta-squared, not a d-family route. - ADDITIVE ONLY with one carve-out: existing jc statistics keep their arithmetic, signature and semantics; the sole permitted edit to an existing file is widening reliability.rs's private helpers to pub(crate) for reuse — visibility only. - The transport-vs-engine separation carried from #883, and that the spawn inventory carries no architectural legitimacy. Board prose only. D-KIA-C1b remains Queued. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01K3RyLEbuNSHxxB3NTTrGki
#881/#882/#883 merged with no arc entries. #884 closed that gap and merged without its own. #885 closed THAT gap and merged. An entry for #885 would need an entry, and so on without end: each step was the rule correctly applied, but the composition does not terminate. The recursion was invisible for three links because the rule is stated per-PR and every single application is locally correct — which is exactly what hides a divergent chain. Two earlier sessions each wrote the honest local lesson ("writing the hygiene PR does not discharge the rule for the hygiene PR") without noticing that the lesson, applied uniformly, never bottoms out. Amendment: a PR whose ENTIRE content is board hygiene for prior PRs — no type, plan, deliverable, epiphany or code — does not itself generate an arc entry; it is discharged by the entry it wrote. The test is content, not intent: does the PR change anything a future session needs the "why" for? Mixed PRs still get their entry (#884 landed hygiene AND the D-KIA-C1b re-scope; the entry exists for the re-scope half). This is a stopping rule, not a loosening. Merging three PRs with no entries at all remains a violation and the retroactive-hygiene anti-pattern is unchanged; only the degenerate tail is excluded. Consequence: #885 gets no arc entry, deliberately, and its absence is not a gap. Transferable shape recorded: a per-item obligation whose discharge is itself an item of that kind needs an explicit base case, or it is a recursion with no bottom. The cheap check is to apply a rule twice to its own output and see whether the third application says anything new. Board/doc prose only. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01K3RyLEbuNSHxxB3NTTrGki
Summary
Post-merge board hygiene for #880 (merged
6bc9115), written immediately on merge rather than as later cleanup — the delay is the anti-patternPR_ARC_INVENTORY.md's own 2026-07-27 recovery note documents.Two files, both append-only prepends:
PR_ARC_INVENTORY.md— the plan: kanban-64k-inverted-awareness v1 — parallel thinking + the inverted-awareness witness #880 entry: Added (plan / board / the doc-header honesty pass) · Locked (pre-registered W2 parallelism thresholds; dichotomous-statistics naming discipline; reliability ≠ validity; the HashMap fleet as a deliberate order-free keyed store ordered bytemporal.rsat read) · Withdrawn (MailboxFleet-over-the-registry, with the structural reason verified againstcycle_driver.rs:183-190) · Deferred · Review (three external rounds, every finding verified against source before acting) · Process · Confidence.LATEST_STATE.md— the matching narrative entry, including what is now pinned before any measurement and what is explicitly still open.The finding this PR also records
The arc's memory practice broke again. There is no
PR_ARC_INVENTORYentry for #862, #875, #876, or #879 — all merged 2026-07-29 → 2026-08-02. This is the same failure the file documents for #851–#856.This PR does not reconstruct those entries. It records the gap at the top of the arc so it is visible instead of silent, which is precisely what the previous post-mortem identified as the thing that let six PRs slip unnoticed. Reconstruction — forensic method: merged diffs, commit messages, PR bodies, the review record, never inference — is queued as follow-up work.
The session writing this entry drove #875 and #876 itself and wrote no entry at the time. That is stated in the entry rather than omitted.
Self-caught correction (
06e8818)The first draft credited #570 with the
MedcareBridge → UnifiedBridge<HealthcarePort>collapse. Re-reading the bridge's own doc-comment against that claim: #570 collapsed the OpenProject/Redmine ports and explicitly deferred the Healthcare one "until Healthcare gets promoted into the codebook" — that collapse landed later, in a PR the doc-comment does not name. Corrected to describe the pattern accurately and to state that the specific PR is unverified rather than guess a number. A wrong citation in an append-only arc is worse than an acknowledged gap.Two things carried forward as named open work
ConsumerActor<P: PortSpec>— would re-derive the unwired stub actor as a one-line type alias; the actor-half of the same bridge collapse.soa_bakeownership — whether its scaffolded half stays a bake or becomes a loader, now that OGAR ships complete bakes emittingNodeRowbytes.Test plan
Board-file-only change; no code, no behaviour. Both files follow the append-only rule (prepend; no past entry edited).
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