{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "touchdog-brain-output",
  "title": "Touchdog Brain Output Schema",
  "description": "Brain决策层输出的图片规划数据结构",
  "type": "object",
  "required": ["analysis", "images"],
  "properties": {
    "analysis": {
      "type": "object",
      "description": "产品分析结果",
      "required": ["product_category", "core_selling_points", "background_strategy", "logo_color"],
      "properties": {
        "product_category": {
          "type": "string",
          "description": "产品品类英文名",
          "examples": ["Pet Recovery Cone", "Dog Harness", "Pet Bed"]
        },
        "core_selling_points": {
          "type": "array",
          "description": "选中的核心卖点key列表（3-4个）",
          "items": { "type": "string" },
          "minItems": 3,
          "maxItems": 4,
          "examples": [["lightweight", "waterproof", "breathable"]]
        },
        "background_strategy": {
          "type": "string",
          "description": "背景亮度策略",
          "enum": ["light", "dark", "mixed"]
        },
        "logo_color": {
          "type": "string",
          "description": "Logo颜色选择",
          "enum": ["red", "white"]
        },
        "visual_style": {
          "type": "string",
          "description": "整体视觉风格描述",
          "examples": ["Warm, caring home environment emphasizing comfort and ease"]
        }
      }
    },
    "images": {
      "type": "array",
      "description": "12张图片的规划",
      "minItems": 12,
      "maxItems": 12,
      "items": {
        "type": "object",
        "required": ["id", "type", "purpose", "layout_description", "ai_prompt", "logo_placement"],
        "properties": {
          "id": {
            "type": "string",
            "description": "图片ID",
            "pattern": "^(Main_0[1-6]|APlus_0[1-6])$",
            "examples": ["Main_01", "APlus_01"]
          },
          "type": {
            "type": "string",
            "description": "图片类型",
            "examples": ["Hero Scene + Key Benefits", "Product Detail + Craftsmanship", "Competitor Comparison"]
          },
          "purpose": {
            "type": "string",
            "description": "这张图的营销目的（中文）",
            "examples": ["首图决定点击率，展示产品使用状态+核心卖点"]
          },
          "layout_description": {
            "type": "string",
            "description": "布局描述（中文，给人审核用）",
            "examples": ["上半部分：布偶猫佩戴冰蓝色伊丽莎白圈，在温馨的木质家居架子上。下半部分：浅蓝色圆弧Banner..."]
          },
          "ai_prompt": {
            "type": "string",
            "description": "完整的英文AI生图Prompt",
            "minLength": 100
          },
          "logo_placement": {
            "type": "object",
            "description": "Logo放置信息",
            "required": ["position", "type", "color"],
            "properties": {
              "position": {
                "type": "string",
                "description": "Logo位置",
                "enum": ["bottom-right", "bottom-left", "top-right", "top-left", "center", "none"]
              },
              "type": {
                "type": "string",
                "description": "Logo类型",
                "enum": ["combined", "graphic_only", "text_only", "none"]
              },
              "color": {
                "type": "string",
                "description": "Logo颜色",
                "enum": ["red", "white", "auto"]
              }
            }
          },
          "aspect_ratio": {
            "type": "string",
            "description": "图片宽高比",
            "enum": ["1:1", "3:2"],
            "default": "1:1"
          },
          "is_comparison": {
            "type": "boolean",
            "description": "是否是竞品对比图",
            "default": false
          }
        }
      }
    }
  }
}