d32b8db635
* feat(#836): no-LLM duplicate-issue detection + challenge + 1-day auto-close Adds a deterministic (no-LLM) duplicate-issue governance lifecycle: - scripts/issue-dedupe.cjs: pure, unit-tested module (tokenize, Sørensen–Dice title similarity, scoreCandidates, renderChallengeComment, shouldClose) with fail-safe destructive-action guards. - duplicate-check.yml (issues:opened): scores new-issue title against open issues, posts a challenge comment + applies the pending `possible-duplicate` label on a clear match. - duplicate-sweep.yml (daily cron): closes possible-duplicate issues whose challenge comment is >24h old with no human reply and no 👎 veto; honors exempt labels; re-checks the label immediately before close (TOCTOU guard); strips the label on close to avoid reopen loops. - remove-duplicate-label.yml (issue_comment:created): clears the label and applies needs-maintainer-review when any human responds. - bug_report.yml / docs_issue.yml: add the required "I searched existing issues" preflight checkbox so all five forms force a pre-search attestation. - docs/agents/triage-labels.md: document the label + lifecycle. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * chore(#836): add changeset fragment for duplicate-issue detection Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
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| type | pr |
|---|---|
| Added | 843 |
Issues are now checked for duplicates when opened: a no-LLM title-similarity check posts a challenge comment and applies a possible-duplicate label when a new issue closely matches existing open ones. Flagged issues that go unanswered for 24h are auto-closed as duplicates (reply, or react 👎 to the bot comment, to keep one open); a reply clears the label and routes to needs-maintainer-review. (#836)