council(merge): resolve conflicts — accept BackendArchitect final versions
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>refactor/vr-ticket-20260416
commit
e5814c3bd4
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>refactor/vr-ticket-20260416