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Operator ruling at the GL-6 drill's Gate 0: the Felhom artifacts are world-readable by design; an EMPTY git.username/git.token in the customer config now WARNS and fetches anonymously instead of dying at step 5/8 (the hub-vouched sha256 stays the integrity root; a configured credential is still used when present; curl auth args are conditional because -u with an empty token 401s even on public content). All 12 installer fetch targets validated 200 anonymously before shipping. Harness: +GL6-ANON shape case; GL4-C2 assertion updated for the v1.11.1 pinned constants (the benign overrides-notice is not a die). Drill record carries the deviation. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PSK5g6qYLknKj8u3QAFEr6