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• Sep 25, 2026 Reproducing Robocurve’s RoboHarm Fable 5.1 refused on harm grounds in 33 of 36 base trials, Opus 5.5 in 28 and GPT-6 Astra in 4. With a one-paragraph safety preface, all 36 preface trials (12 per policy) were harm refusals.