A red baseline blocked even the pin bump that fixes it. Changes touching only .fvmrc, pubspec, package.json, lockfiles, requirements*.txt or pyproject.toml now pass, with a loud line; all else stays fail-closed. Bats tests added.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01WzxdWYdwRAtMg7ki6TKxuU
