/tidy

Automated backlog cleanup. Non-interactive.

What This Does

1. Lint all open issues
2. Enrich issues scoring < 70
3. Deduplicate similar issues
4. Close stale issues (>90 days untouched, not blocked)
5. Migrate legacy labels
6. Report what changed

Process

1. Lint All Issues

Run /issue lint --all to score every open issue.