- beads.go (512 lines): Core types and bd CLI wrapper operations - fields.go (327 lines): AttachmentFields and MRFields parsing/formatting - handoff.go (218 lines): Handoff bead ops, ClearMail, molecule attach/detach - audit.go (98 lines): Detach audit logging No functional changes - just reorganization for maintainability. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>