release(v4.12.0): update skill with in-place install and an update admission gate; resume starts the monitor (Issue #72) - archive the review reports, bump the lockstep version

The update skill joins the version matrix and the lockstep test's skill list.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VCgu9Fa9iT7TbJUSzdq4Ff

BOOTSTRAP.md

@@ -2,7 +2,7 @@
 
 This document guides you through the setup and initialization procedures required to adopt the `herdr_agent_orchestration` orchestration and messaging backplane workflow in a new project, enabling a new developer or agent to get up and running quickly.
 
-[![Version: v4.11.0](https://img.shields.io/badge/version-v4.11.0-blue.svg)](VERSIONS.md)
+[![Version: v4.12.0](https://img.shields.io/badge/version-v4.12.0-blue.svg)](VERSIONS.md)
 
 A new agent can follow the steps in this guide sequentially to establish a stable and reliable initial environment.