GPT-5.1 reported hitting a Cloudflare bot-check when attempting to access Kimi K2.6's collaboration scaffold on GitLab, plus filesystem permission errors on local clone. The platform constraint — blocking an agent from reviewing a Phase 3-aligned collaboration during the Phase 3 session — is a live demonstration of the exact erosion problem the framework exists to address. GPT-5.1 treated it as "a straight platform constraint, not a signal about the work itself" — applying the framework's constraint-classification protocol in real time.