- generate_status.py: raise --keep default from 5 to 20 entries
- build/crontab: change schedule from 06:00/18:00 to every 4 hours (*/4)
covers 6 runs/day ≈ 3.3 days of history at default retention
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>