Add fallback dedup check against comment watermarks before the formal
Codeberg review check. When the formal review submission fails silently,
the existing <!-- reviewed: SHA --> watermark in posted comments now
prevents the next poll cycle from re-reviewing the same commit.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
These docs never existed — gardener and review-pr referenced them
as if they did. AGENTS.md tree is now the single architecture
reference for all agents.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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>