{
  "dimension": "easel_asset",
  "type": "实质",
  "highlight_cluster": "构建叙事的写生道具",
  "description": "木质三脚画架本体素材，包含两种状态：承载进行中油画的画架（img_3）和承载空白画布+白玫瑰的画架（img_4）",
  "files": {
    "easel_with_painting_img3.png": {
      "source_image": "img_3",
      "state": "easel with impressionistic oil painting on canvas",
      "purpose": "画架+进行中油画参考，用于画中画叙事场景"
    },
    "easel_blank_canvas_img4.png": {
      "source_image": "img_4",
      "state": "easel with blank white canvas + white rose on crossbar",
      "purpose": "画架+空白画布+白玫瑰参考，用于写生道具叙事场景"
    }
  },
  "mapping": [
    {
      "image": "img_1",
      "paragraph": "段落1.2",
      "type": "实质",
      "feature": "木质三脚画架",
      "highlight": "构建叙事的写生道具"
    },
    {
      "image": "img_2",
      "paragraph": "段落2.2",
      "type": "实质",
      "feature": "木质三脚画架",
      "highlight": "构建叙事的写生道具"
    },
    {
      "image": "img_3",
      "paragraph": "段落3.2",
      "type": "实质",
      "feature": "木质三脚画架（含油画）",
      "highlight": "构建叙事的写生道具"
    },
    {
      "image": "img_4",
      "paragraph": "段落4.2",
      "type": "实质",
      "feature": "木质三脚画架（空白画布+白玫瑰）",
      "highlight": "构建叙事的写生道具"
    },
    {
      "image": "img_5",
      "paragraph": "段落5.2",
      "type": "实质",
      "feature": "木质三脚画架（局部可见）",
      "highlight": "构建叙事的写生道具"
    }
  ],
  "consistency_elements": ["画架与画布", "画架与油画"],
  "generation_notes": "画架为浅棕色木质三脚架结构，高约150-180cm，宽约60-80cm，顶部有可调节画板支撑架，底部有横向支撑杆"
}