- Aggregates Simon Willison, OpenAI Blog, Sebastian Raschka
- Same workflow as derstandard: items marks as seen, auto-prunes at 200
- Updated all 4 AI news cron jobs to use new script
- Removed obsolete ai-news-seen.json
- items now shows only NEW (unseen) articles by default
- items --all shows everything including seen
- articles command auto-marks URLs as seen
- Added seen/reset commands for state management
- State stored in memory/derstandard-seen.txt