Two-phase strategy: 7 days inactive → stale warning, 7 more days → close.
Exempt labels: pinned, keep-open, wip, do-not-close, type: roadmap.
Draft PRs are also exempt. Runs daily at 03:00 JST.
Scan oldest items first (ascending: true) with 500 ops budget to avoid
backlog starvation.
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Guoguo