- Remove ID field from Item struct
- Remove ID field from SearchItem struct
- Update all SQL queries to not select id column
- Change MarkItemPublished to use feedURL/guid instead of id
- Update shortener to use item_guid instead of item_id
- Add migration to convert item_id to item_guid in short_urls table
- Update API endpoints to use feedUrl/guid instead of itemId
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>