cross-model-review

Independent second-model gate for cold emails before send. Must run on a DIFFERENT model than the one that drafted (e.g., draft on Opus, review on Sonnet — or vice versa). Acts as a binary pass/fail gate, not a regrade or rewrite. Names the specific failure mode from a 14-mode catalog (strategy / personalization / posture). Always surfaces the most likely counter-question the recipient will reply with. Triggers on…