1065e66a75
Implements bd-jx90: simple cleanup command without API key requirement. Features: - Delete all closed issues with --force - Filter by age with --older-than N (days) - Preview with --dry-run - Cascade deletion with --cascade - JSON output support Usage: bd cleanup --force # Delete all closed bd cleanup --older-than 30 --force # Delete >30 days old bd cleanup --dry-run # Preview Closes bd-jx90 Amp-Thread-ID: https://ampcode.com/threads/T-8d905db0-4ec7-411e-95de-1f044219dc9c Co-authored-by: Amp <amp@ampcode.com>