- Add `bd mail send/inbox/read/ack` commands for inter-agent messaging - Implement GetIdentity() with priority chain: flag > BEADS_IDENTITY env > config.yaml > git user.name > hostname - Messages are stored as issues with type=message for git-native communication - Support both daemon and direct mode for all mail operations 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>