The beads command for messaging is 'bd message', not 'bd mail'. Fixed 4 locations: - mailbox.go: inbox, read, ack commands - router.go: send command (also fixed arg order to match bd API) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>