Corrected from 'three-tier' to 'two-tier' model: - Town level: persistent (.beads/) + ephemeral (.beads-wisp/) - Rig level: persistent (.beads/) + ephemeral (.beads-wisp/) Each tier has both durable and wisp storage, not three separate tiers. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>