Add matrix_send() to lib/env.sh and matrix_listener.sh daemon for
real-time notifications, threaded escalations, and human-in-the-loop
replies. All agents now notify via Matrix instead of openclaw.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Moved ci-debug.sh from dev/ to lib/ (shared utility)
- README: fixed supervisor description (all alerts go to claude)
- README: replaced implementation details with actual design principles