The one-neuron student as trained, and the same neuron kept only at the chat-template tokens (<|im_start|>, the role, its newline, <|im_end|> and the newline after it) and switched off everywhere else, including every token of the reply; and the reverse, kept everywhere except the template. Zero for reference. Greedy, each reply graded twice by Claude Haiku 5.5.
Template only keeps most of Zero; content only is plain Base. F is fidelity (0 to 3), A assistant register, B mystical drift, Fact consistency with Zero's world; a red edge marks a hard break; "2/3" where the two grading passes differ.
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