ubongo, the NetBird mesh, and Level 4 verification are design-resolved
(ADR-015/016/017 + specs + plans); STATUS now says so while keeping build
status honest. Also resolves ADR-015 deferred #2 (browser harness), which
was left open when ADR-017 landed.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>