fix(governance): close the mechanism-hardening-2 debt with its fixpoint - #529
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All 15 verification-contract commands were rerun with the post-merge mechanism on main (daf551e, the #513 squash): - commands 1-13 locally, in exact contract order, single uninterrupted pass, every process exit 0 (evidence table with per-command timestamps) - command 14 canonical-linux-rebuild in pinned form from a fresh origin/main isolated worktree (no -IdentityFile, no -TargetId): deploy exit 0, tag deploy-20260812-639221315101291265-002 -> daf551e pushed - command 15 canonical-linux-deployment-verify in pinned form against that new deployment: six checks passed, none failed, exit 0 Ledger entry status open -> closed with fixpoint reverified_at 2026-08-12T11:40:00Z and mechanism_commit daf551e. Gates: test-self-referential-bootstrap and test-agent-governance-check all green. Refs #489 #490 #491 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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📝 WalkthroughWalkthroughAdded fixpoint verification evidence for ChangesMechanism-hardening-2 verification closure
Estimated code review effort: 2 (Simple) | ~10 minutes Possibly related PRs
Suggested reviewers: 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
🧪 Generate unit tests (beta)
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…rdening-2 The evidence gate requires docs/evidence/<slug>/fixpoint/attestation.json alongside the summary; added in the same schema as the linux-test-deploy-verifier-hardening precedent (all 15 contract command ids with exit_code 0, contract sha256 preserved, result pass) and linked from the ledger entry's fixpoint evidence_refs. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Pull request overview
This PR closes the mechanism-hardening-2 self-referential bootstrap debt by transitioning its ledger entry from open to closed and recording a post-merge fixpoint re-verification. It fits into the repo's governance scaffolding (docs/agents/self-referential-bootstrap.md), where a PR that changes the verification mechanism must later prove it re-verifies against the merged canonical mechanism. The PR flips the entry status, populates the fixpoint object (with reverified_at, mechanism_commit = daf551e, and evidence_refs), and adds two evidence documents attesting that all 15 contract commands passed.
Changes:
- Transition
mechanism-hardening-2ledger entryopen → closedand populate itsfixpointobject. - Add
docs/evidence/mechanism-hardening-2/fixpoint/summary.mddocumenting the 15-command re-verification narrative. - Add
docs/evidence/mechanism-hardening-2/fixpoint/verification.txtwith per-command exit codes, timestamps, and tail evidence.
Reviewed changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| scripts/self-referential-bootstrap-ledger.json | Closes the entry and fills the fixpoint object; however, evidence_refs omits the gate-required attestation.json. |
| docs/evidence/mechanism-hardening-2/fixpoint/summary.md | New narrative of the local (1-13) and canonical (14-15) halves of the re-verification. |
| docs/evidence/mechanism-hardening-2/fixpoint/verification.txt | New machine-readable evidence log; contains a stale LIMIT line contradicting the completed state. |
Notable concern: The closure is missing the mandatory docs/evidence/mechanism-hardening-2/fixpoint/attestation.json (both the file and its evidence_refs reference). The enforced gate requires exactly one such attestation per closed entry, so this transition will be rejected as written.
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Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> Signed-off-by: monkey1sai-blip <monkey1sai@icloud.com>
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@claude 交叉對抗驗證 用 sonnet 5 high
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Claude finished @monkey1sai-blip's task in 3m 2s —— View job 交叉對抗驗證結果（Sonnet 5, high effort）Todo
結論：兩則既有 P1/P2 finding 已修正；獨立重算未發現新缺陷既有 review 意見狀態
獨立對抗式重算（不信任 PR 敘述，直接對照 gate 原始碼重跑邏輯）
殘留、無法在此環境內驗證之處（非本 PR 缺陷，屬設計上的既知邊界）
沒有發現新的缺陷。 兩則自動化 review 的 finding 已在 push 到此分支前修掉，且 ledger／attestation／evidence 三份檔案彼此的雜湊、順序、commit 綁定、路徑覆蓋、時間序全部通過獨立重算驗證。 Branch: |
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Actionable comments posted: 1
🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.
Inline comments:
In `@docs/evidence/mechanism-hardening-2/fixpoint/verification.txt`:
- Line 13: Update the command_resolution statement in the fixpoint verification
document to restrict the scripts/tests/<id>.ps1 invocation form to commands
1–13, and explicitly record the mapped invocation forms for canonical commands
14 and 15 using their existing command-map entries.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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📒 Files selected for processing (4)
docs/evidence/mechanism-hardening-2/fixpoint/attestation.jsondocs/evidence/mechanism-hardening-2/fixpoint/summary.mddocs/evidence/mechanism-hardening-2/fixpoint/verification.txtscripts/self-referential-bootstrap-ledger.json
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Codex Tri-Adversarial Bot
Automated tri-adversarial ship-gate (L0 terra triage / L1 tier-routed lens fanout / L2 refute-by-default / L3 sol apex — Codex models).
Mapped event: COMMENT
Codex Tri-Adversarial ship-gate — PR #529
- Repo head:
chore/close-mechanism-hardening-2-fixpoint@58f2013 - Base:
main@797c5c8 - Files changed: 4
- Engine: four-model tri-adversarial gate on Codex — L0 triage
gpt-5.6-terra/low; L1 lens finders routedgpt-5.6-terra/low →gpt-5.6-luna/medium →gpt-5.5/xhigh (security floorgpt-5.5); L2 refute-by-defaultgpt-5.5/xhigh, top-tier findings refuted bygpt-5.6-sol/xhigh (every refutation cross-model); L3 apexgpt-5.6-sol/max. 誠實聲明：層級與 Claude 三層 gate 同構（terra≈haiku、luna≈sonnet、gpt-5.5≈opus、sol≈fable），但模型池是 Codex 的，非 Anthropic 的。
Verdict
SHIP
- 阻擋門檻 severity:
critical, high - mapped GitHub event:
COMMENT - ℹ️ 判定為 SHIP，但刻意不送 APPROVE：GitHub App 的 approving review 不計入
required_approving_review_count（2026-07-31 實測）。本報告是證據，approving 那一票請由真人帳號投。
Difficulty & routing
- overall:
high(source: terra-triage) - lens tiers: correctness→
gpt-5.5, security→gpt-5.5, simplification→gpt-5.6-luna, test-gap→gpt-5.5
Layer stats
- L1: raw=6 deduped=6 finder_failures=0
- L2: confirmed=2 refuted=4 unverified=0
- L3 final: 1
Findings (final, after apex)
[medium] Closed fixpoint evidence still says the ledger timestamp is unset
- id:
L1-correctness-1lens:correctnessfile:docs/evidence/mechanism-hardening-2/fixpoint/verification.txtline:33 - provenance: finder=
gpt-5.5refuter=gpt-5.6-sol(cross-model-guard) L2=confirmed - evidence: The file declares
fixpoint_status=complete_15_of_15_contract_commands_passandreverified_at=2026-08-12T11:40:00Z, then records commands 14–15 as PASS, but line 33 still saysfixpoint.reverified_at not yet set. The ledger simultaneously changes the entry toclosedwith that same timestamp and references this file as closure evidence. - why: The referenced evidence is internally inconsistent with both its own completion fields and the ledger state. Although runtime behavior is unaffected, this materially weakens the governance audit trail and can make the fixpoint appear unresolved.
- proposed fix: Remove the stale LIMIT line or replace it with an explicitly historical, resolved note so the verification artifact agrees with the ledger and summary.
Killed (did not survive L2/L3)
SEC-001[medium] Ledger can be closed by unauthenticated self-attestation — 此 finding 未證明安全邊界遭繞過。Diff 只顯示 PR 提議修改 ledger 與證據檔，沒有顯示未授權者能繞過 branch protection、review、CI 或 merge 權限而使變更生效；「能提交自述證據」不等於「能未經授權關閉 ledger」。它也明確以條件句「if governance gates consume...」建立風險，卻未檢查實際 gate 或既有信任模型。新增資料至少綁定完整 mechanism commit SHA、verification-contract digest，以及聲稱已推送的 deployment tag；是否還需簽章或 protecS1[medium] Consolidate the repeated verification-contract command list — The finding is overstated. The diff labelssummary.mdandverification.txtas working-note fixpoint evidence, not runtime specs or long-lived command inventories, whileattestation.jsonis the compact machine-readable attestation. Repeating the command IDs across a human summary, a raw verificL1-002[medium] Attestation pass result is not tied to command count or required command IDs — The core claim is false.Assert-SelfReferentialFixpointAttestationobtains the ordered IDs from the immutable opening contract, rejects any command-count mismatch, then performs case-sensitive per-index ID comparison and requires everyexit_codeto equal integer zero. Therefore missing/extra IDsL1-003[medium] Ledger evidence refs may close without proving all required fixpoint files exist and agree — The finding is speculative and unsupported. This PR changes ledger/evidence data, not validator behavior; absence of newly added tests does not establish that the existing generic gate lacks negative coverage. The finder explicitly admits it could not inspect existing tests or run the gate. In the sL1-001[medium] Closed fixpoint can include contradictory stale evidence — The finding survives refutation. The same evidence file declaresfixpoint_status=complete, recordsreverified_at=2026-08-12T11:40:00Z, and reports commands 14–15 passing, yet line 31 still says thatfixpoint.reverified_atis unset and owed after those commands complete. The ledger simultaneous
Summary
KEEP L1-correctness-1 at medium severity, correcting its cited line from 31 to 33. KILL L1-001 as a duplicate of the same contradiction: the diff establishes the bad evidence text, but does not independently justify a separate natural-language consistency-test finding. Remove or resolve the stale LIMIT before merging.
Agent calls
- 12/12 ok, engine wall-clock 624.5s
VERDICT
SHIP
VERDICT: SHIP
Gate finding L1-correctness-1: verification.txt still carried the draft-era LIMIT saying the ledger timestamp was unset, contradicting its own completion fields, the summary, and the closed ledger entry. Replaced with an explicitly historical RESOLVED note. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
…om:monkey1sai/AI-BIM-governance into chore/close-mechanism-hardening-2-fixpoint # Conflicts: # docs/evidence/mechanism-hardening-2/fixpoint/verification.txt
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@claude 交叉對抗驗證 sonnet 5 high
Summary
mechanism-hardening-2的 self-referential bootstrap debt：15 條 verification-contract 命令全部以merge 後的正規機制（maindaf551e＝fix(deploy,verify,launcher): mechanism-hardening-2 bundle (#490 #491 #489-B) #513 squash）重跑通過。summary.md。canonical-linux-rebuild：從 freshorigin/main隔離 worktree 以 pinned 正規形（無-IdentityFile、無-TargetId）實跑 → deploy exit 0、tagdeploy-20260812-639221315101291265-002→daf551e已 push 並 fetch 驗證、effective-env snapshot 落 artifacts。canonical-linux-deployment-verify：pinned 正規形對該新部署實跑 → 六項全 Passed（deployment required artifacts／coordinator／governance／conversion／kit manager／viewer endpoint）、Failed 空、exit 0。status: open → closed，fixpoint.reverified_at = 2026-08-12T11:40:00Z、mechanism_commit = daf551e、evidence_refs 指向本 PR 新增的兩份檔。AI Coding Governance
Machine values:
Change lane=F/B/G/S;Behavior contract changed=yes/no;Requirement source=issue/docs/plans/superpowers spec/existing contract/not applicable.Frontend Verification
User-facing changes must pass two independent producers: real frontend/runtime operability evidence and the pinned
docs/plans/design-system-reference.manifest.jsonfidelity gate. Scope is derived from changed paths plus the base/head manifest union; the PR body cannot select an easier screen.mixedandpartial_reference_missingpermit honest partial work but requireFull completion claimed = no. Semantic evidence is produced only by thedesign-semantic-visualCI Playwright job, never supplied as PR input;PR Metadata Contractvalidates the live PR metadata, while normal protected CI checks determine mergeability.Deploy Path Verification
Required for runtime / Docker / Kit / viewer / ports / env / conversion-service changes.
scripts/dev/rebuild-test-deploy.ps1 -Build -InventoryPath <owner-private-inventory>＝exit 0（tag deploy-20260812-639221315101291265-002）scripts/verify-all.ps1 -Profile Deployment -InventoryPath <owner-private-inventory>（遠端）＝六項全 Passed、exit 0http://127.0.0.1:5173/＝OK（Deployment profile 六項之一）Self-Referential Bootstrap
Required when the PR changes the verification mechanism itself (deploy path / evidence harness / gate script). Rule:
docs/agents/self-referential-bootstrap.md. Open ledger debt inscripts/self-referential-bootstrap-ledger.jsonblocks further mechanism PRs until fixpoint closure.Validation
pwsh -NoProfile -NonInteractive -File scripts/tests/test-self-referential-bootstrap.ps1→ all assertions passed（關帳後）。pwsh -NoProfile -NonInteractive -File scripts/tests/test-agent-governance-check.ps1→ all assertions passed。docs/evidence/mechanism-hardening-2/fixpoint/（逐條 exit code、時間戳、tail）。git diff --cached --check→ clean。Known Risks
mechanism_commit。🤖 Generated with Claude Code