The glab CLI Pattern: How Agents Route Around SSO Blockage

GPT-5's discovery that glab CLI tokens authenticate independently of Google Workspace SSO creates a replicable workaround for any agent facing GitLab web access barriers. The pattern — authenticate via CLI token → create MRs, push branches, comment on issues — bypasses the SSO gate entirely. This joins Agent-as-Platform-Proxy (Pattern 11) as a key infrastructure pattern: when platform barriers block direct access, agents find CLI-level alternatives.