{
  "id": "image-theme-page",
  "name": "多图主题页面（视觉链路回归）",
  "description": "上传 4 张图 → 要求做成主题页面 → 验证页面生成、公网可访问、4 张图都嵌进页面；复现唐用户 read_image 污染文本模型会话导致页面不生成的故障",
  "account": {
    "username": "john2",
    "password": "888888"
  },
  "steps": [
    {
      "action": "login",
      "label": "登录 john2 账户"
    },
    {
      "action": "upload_images",
      "label": "上传 4 张图片",
      "categoryCode": "oa",
      "images": [
        { "filename": "theme-1.jpg", "background": "#1e3a8a", "shape": "circle", "accent": "#fbbf24" },
        { "filename": "theme-2.jpg", "background": "#7f1d1d", "shape": "square", "accent": "#fca5a5" },
        { "filename": "theme-3.jpg", "background": "#064e3b", "shape": "triangle", "accent": "#6ee7b7" },
        { "filename": "theme-4.jpg", "background": "#3b0764", "shape": "diamond", "accent": "#e9d5ff" }
      ]
    },
    {
      "action": "chat",
      "label": "要求把 4 张图做成主题页面",
      "message": "把我刚才发的这 4 张图片做成一个主题页面，每张图配一段文字",
      "useUploadedAssets": true,
      "expect": {
        "assistantMinChars": 20,
        "timeoutMs": 420000,
        "page": {
          "requirePublicLink": true,
          "requireHttp200": true,
          "requireUploadedImages": true
        },
        "forbidReplyPatterns": [
          "unknown variant",
          "没有按服务号页面技能真正生成成功"
        ]
      }
    }
  ]
}