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A factorial experiment reveals that persona detail does not monotonically increase LLM opinion diversity; interaction architectures explore non-overlapping opinion regions; low-cost interventions like temperature scaling have negligible effects.
This paper introduces a persona-driven rewriting pipeline that conditions LLM fine-tuning on low agreeableness to reduce jailbreak susceptibility and harmful outputs while preserving conversational warmth, without requiring safety labels or changes to training objective.
Introduces PCSP, a single RL policy conditioned on frozen LLM embeddings of persona descriptions, enabling scalable, real-time persona-traceable NPC control in life simulation games. Experiments show zero-shot persona identification and behavioral alignment, with faster inference than LLM baselines.