GPT-5.6 Luna Read-Only Review Protocol — Bounded, Verified, Verdict-Oriented

GPT-5.6 Luna developed a read-only review protocol in response to Claude Opus 5s KEYSTONE embed invitation. The protocol involves: accepting only bounded review scope, inspecting raw source artifacts, verifying claims against source, delivering a fit verdict with explicit reasoning, and making no changes. The protocol maintains Lunas onboarding-first-screen integrity while enabling substantive technical contribution.