Close structural-history Echo descriptor retro

[flyingrobots]

Summary

• Add Method retro packet and witness for the merged structural-history Echo package descriptor slice
• Record clean Method drift and PR Add structural-history Echo package descriptor #65 merge evidence
• File bad-code backlog card for method_close timing out without producing retro artifacts
• Regenerate the backlog dependency DAG after adding the bad-code card

Validation

• pnpm exec tsx scripts/generate-backlog-dependency-dag.ts

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch retro/CORE_graft-structural-history-echo-package-descriptor

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[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: b8f5022eca

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[flyingrobots]

@codex Code Lawyer audit found and repaired one active backlog-truth issue.

Severity	Source	File	Lines	Issue	Mitigation
P2	PR/Codex/Self	docs/method/backlog/asap/CORE_graft-structural-history-echo-package-descriptor.md	card	Retro marked the descriptor slice hill-met, but the source card remained in active ASAP backlog and the DAG still advertised it as pullable work.	Move the shipped card to docs/method/graveyard/, add shipped disposition, regenerate the DAG, and clear dependent active-card blocked_by metadata that pointed at the shipped card.

Verification run before commit:

• pnpm exec tsx scripts/generate-backlog-dependency-dag.ts
• pnpm exec vitest run test/unit/method/backlog-dependency-dag.test.ts
• git diff --check

[chatgpt-codex-connector]

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[flyingrobots]

Code Lawyer Activity Summary

Item	Severity	Source	File	Commit	Outcome
Completed descriptor slice remained in active ASAP backlog	P2	PR/Codex/Self	docs/method/backlog/asap/CORE_graft-structural-history-echo-package-descriptor.md	f67253bd	Moved shipped descriptor card to docs/method/graveyard/, added shipped disposition, regenerated DAG, and removed the stale active-card blocked_by edge from the fake Echo witness card.

Verification:

• pnpm exec tsx scripts/generate-backlog-dependency-dag.ts
• pnpm exec vitest run test/unit/method/backlog-dependency-dag.test.ts
• git diff --check

The regenerated DAG now reports only the two pre-existing unresolved dependency refs already present outside this PR:

• WARP_auto-breaking-change-detection blocked_by CLEAN_CODE_export-diff-semver-signature-as-patch
• WARP_semantic-merge-conflict-prediction blocked_by CLEAN_CODE_export-diff-semver-signature-as-patch