AI 产品实践 ／ 42章经跨期专题整理 / 42 Zhangjing podcast synthesis
AI陪伴与互动角色：关系连续性、内容供给与长期价值 / AI Companionship and Interactive Characters
从八期42章经访谈区分角色内容、持续关系、个人记忆与共同活动，讨论评测、供给和长期留存。Across eight interviews: relationship continuity, character content, memory, shared activities, evaluation, retention and payment.