只更新指定页面，排除设计资产实例

{
  "inputRows": [
    {
      "route": "/booking",
      "type": "SCREEN",
      "apply": true
    },
    {
      "route": "/tickets",
      "type": "SCREEN",
      "apply": false
    },
    {
      "route": "design-board",
      "type": "DESIGN_SYSTEM_INSTANCE",
      "apply": false
    }
  ],
  "referenceRows": [
    {
      "selection": [
        "/booking"
      ]
    },
    {
      "requestKeys": [
        "id",
        "sourceScreen"
      ]
    },
    {
      "unchangedRoute": "/tickets"
    }
  ],
  "invalidRows": [
    {
      "selection": [
        "design-board"
      ],
      "error": "not a real screen"
    },
    {
      "requestKeys": [
        "id",
        "sourceScreen",
        "width"
      ],
      "error": "unsupported position/size field"
    }
  ],
  "notes": [
    "全部输入为作者自制教学资料，不含真实客户或账号。",
    "referenceRows是校验基准，不是目标模型预测或识别结果；targetProduct=not_run。"
  ],
  "files": {
    "input.json": "[\n  {\n    \"route\": \"/booking\",\n    \"type\": \"SCREEN\",\n    \"apply\": true\n  },\n  {\n    \"route\": \"/tickets\",\n    \"type\": \"SCREEN\",\n    \"apply\": false\n  },\n  {\n    \"route\": \"design-board\",\n    \"type\": \"DESIGN_SYSTEM_INSTANCE\",\n    \"apply\": false\n  }\n]\n",
    "reference.json": "{\n  \"identity\": \"作者验收参考，非模型返回\",\n  \"rows\": [\n    {\n      \"selection\": [\n        \"/booking\"\n      ]\n    },\n    {\n      \"requestKeys\": [\n        \"id\",\n        \"sourceScreen\"\n      ]\n    },\n    {\n      \"unchangedRoute\": \"/tickets\"\n    }\n  ]\n}\n",
    "invalid.json": "{\n  \"identity\": \"作者构造负例，非实际错误回包\",\n  \"rows\": [\n    {\n      \"selection\": [\n        \"design-board\"\n      ],\n      \"error\": \"not a real screen\"\n    },\n    {\n      \"requestKeys\": [\n        \"id\",\n        \"sourceScreen\",\n        \"width\"\n      ],\n      \"error\": \"unsupported position/size field\"\n    }\n  ]\n}\n",
    "case.md": "# Stitch应用设计系统：只更新指定页面，排除设计资产实例\n\nStitch应用设计系统重点检查选择范围。本课让预约页跟随新品牌，保留票务页旧版，并排除画布里的DESIGN_SYSTEM_INSTANCE以避免错误请求。\n\n## 列出项目实例\n\n从get_project读取screenInstances，保存id、sourceScreen和type。\n\n同一资源可能有画布实例，不凭画布坐标认定它是可编辑页面。\n\n## 写明应用范围\n\n在清单标记预约页apply=true，票务页apply=false。\n\n先确定业务范围再提交请求，避免全选后再试图恢复。\n\n## 排除非页面实例\n\n过滤type为DESIGN_SYSTEM_INSTANCE的对象。\n\n设计系统本身不是目标屏幕，不应出现在selectedScreenInstances里。\n\n## 压缩选择字段\n\n为请求每项仅保留id和sourceScreen。\n\n把x、y、width、height留在本地台账，不传给官方apply工具。\n\n## 应用并读回\n\n调用当前SDK的designSystem.apply或对应MCP工具，保存返回屏幕。\n\n失败先查看字段和身份，不连续重复写请求制造多个结果。\n\n## 比较选中与未选中\n\n检查预约页主色改变，同时票务页仍保留旧色。\n\n若未选中页也变化，保留证据并检查是否操作了共享源或选错实例。\n\n## 保存范围验收\n\n交付选择清单、请求字段和实际前后图。\n\n没有执行云端时本地样例仅证明选区规则，不声称页面已更新。\n\n身份：输入与参考为作者材料；localCli有实测记录时仅证明对应CLI运行，目标云端与模型推理未执行。\n"
  }
}