{
  "niches": [
    {
      "id": "aesthetic_tone",
      "label": "整体美学",
      "description": "视觉、氛围、叙事基调等宏观美学设定",
      "suggestedStepGoal": "描述角色的整体美学：色调、材质、氛围、叙事基调，供后续人设与世界书条目引用。"
    },
    {
      "id": "persona_detail",
      "label": "具体人设",
      "description": "性格、口癖、关系、行为模式等可扮演细节",
      "suggestedStepGoal": "在整体美学基础上，细化可扮演的人设：性格、动机、口癖、与他人关系。"
    }
  ]
}