{
  "slug": "bulk-bar",
  "schemaVersion": 2,
  "sourceKind": "structured-spec",
  "confidence": "high",
  "specification": "WORKBENCH.md §9",
  "reference": "examples/customer-list.html",
  "implementation": "workbench.css",
  "behavior": "workbench.js",
  "intent": "勾选多行后替换页眉第 2 条，提供批量操作",
  "variantDimensions": [
    {
      "axis": "scope",
      "values": [
        "some",
        "page",
        "all-matching"
      ]
    }
  ],
  "anatomy": {
    "parts": [
      "count",
      "select-all-matching",
      "clear",
      "actions",
      "confirm-dialog"
    ],
    "required": [
      "count",
      "clear",
      "actions"
    ]
  },
  "rules": [
    "有勾选时页眉第 2 条换成批量条，高度不变，不遮挡列表",
    "本页全选后，若结果多于本页，提供「选择全部 N 条」",
    "破坏性操作用红色文字按钮，点击后弹确认框：取消在左、删除在右，删除不设为默认，焦点落在取消",
    "真实产品的批量操作需要服务端权限校验、审计记录和部分失败的逐条反馈"
  ],
  "states": [
    "none",
    "some",
    "page",
    "all-matching",
    "working",
    "partial-failure"
  ],
  "keyboard": [
    "勾选框可 Tab 到达并用空格切换",
    "确认框 Esc 等同取消，焦点回到删除按钮"
  ],
  "accessibility": [
    "表头勾选框有「部分选中」状态（indeterminate）",
    "操作结果通过 role=\"status\" 区域播报"
  ],
  "doNotInvent": [
    "批量条浮在列表底部遮挡数据",
    "无确认的批量删除",
    "蓝色破坏性按钮"
  ]
}