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Opt-in live smoke (ROUTER_LLM_LIVE_TEST=1 + ROUTER_LLM_KEY); auto-skips otherwise so it never pollutes the unit regression in worktrees where undici is unresolved. Checkpoint-1 live result on owner machine: PASS (2/2) — single Sonnet judge + 3-judge consensus (Sonnet 4.6 + Haiku 4.5 + Opus 4.7) reach all models with real verdicts. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>