kit v0.4.0 -- Three-Pipeline Supply Chain Architecture

Sense/Respond/Verify -- LLM-augmented supply chain maintenance.

New: kit sense, kit verify-registry.
Changed: check no longer fatals on version bumps, evaluate accepts
sense-report.json, apply produces richer MR audit trail, init --ci
generates three-pipeline CI.

125 tests. 20 commands.

cargo install nomograph-kit