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docs: update merged-work lessons (2026-10-20 → 2026-10-21) - #537

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Teakowa merged 1 commit into
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retro/lessons-2026-10-21
Oct 20, 2026
Merged

Teakowa merged 1 commit into
mainfrom
retro/lessons-2026-10-21

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@e54-bot e54-bot commented Oct 20, 2026

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Summary

Nightly merged-pr-retro sweep adds one failure class:

  • A second consumer shares the established rule instead of re-deriving it — feat(rules): convert a rule-content-v1 statement into the public model #534's statement_from_content arity check copied the rule validate_call_signature enforces; the fix shares CatalogEntry::rejected_arity with an agreement test. Same cross-repository class as wright's sibling-surface divergences and opy-rs#623, tracked under wrightkit/workshop-rs#451 (closed; new incidents recorded in a comment).

Prevention home already exists: this repository's AGENTS.md "Sibling paths share checks".

Docs-only change to docs/LESSONS.md.

Record the shared-authority class from the #534 review finding: statement_from_content re-derived the arity rule validate_call_signature owns. Same class as the sibling-surface divergences tracked in #451.
@Teakowa
Teakowa merged commit cd294a3 into main Oct 20, 2026
@Teakowa
Teakowa deleted the retro/lessons-2026-10-21 branch October 20, 2026 17:09
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2 participants