Installs the standalone Gadfly agentic adversarial reviewer (advisory, never
blocks merge), mirroring executus's setup on the latest pinned image
(sha-d7f364d). Reviews majordomo PRs with the full fleet: 9 ollama-cloud models
plus the M1/M5 Macs via foreman, each running the 3-lens suite (security,
correctness, error-handling). Posts one consolidated comment per model.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
