Bump the harness and the umbrella (which pins it), point README and the
user guide at 0.9.1, sync the stale lockfile header (0.5.1, old bin name)
with package.json, and add a plain-language changelog entry for the
live sensing views in Claude Code (ADR-377, ADR-378).
Co-Authored-By: claude-flow <ruv@ruv.net>