识别warning仍为零退出，给发布门槛另设判断

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    {
      "component": "weak",
      "textColor": "#CBCBCB",
      "backgroundColor": "#FFFFFF"
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    {
      "component": "strong",
      "textColor": "#183B39",
      "backgroundColor": "#FFFFFF"
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    {
      "component": "focus",
      "outline": "2px solid #184A45",
      "text": "继续预约"
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  "referenceRows": [
    {
      "condition": "contrast-ratio warning",
      "severity": "warning"
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      "condition": "warnings without errors",
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      "condition": "project acceptance",
      "requirement": "no contrast warning plus visible focus"
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  "notes": [
    "作者自制可编辑输入与验收参考，非官方CLI或云端返回。",
    "完整合法基础稿采用官方frontmatter schema；仅按本课故意更改对应字段。"
  ],
  "designMdTemplate": "---\nversion: alpha\nname: Field Kit\ncolors:\n  primary: \"#184A45\"\n  surface: \"#F7F4EC\"\ntypography:\n  body-md:\n    fontFamily: Arial\n    fontSize: 16px\n    fontWeight: 400\n    lineHeight: 1.6\nrounded:\n  sm: 8px\nspacing:\n  sm: 8px\ncomponents:\n  button-primary:\n    backgroundColor: \"{colors.primary}\"\n    textColor: \"#FFFFFF\"\n    typography: \"{typography.body-md}\"\n    rounded: \"{rounded.sm}\"\n    padding: \"{spacing.sm}\"\n---\n## Overview\nField Kit的预约界面。\n## Colors\n主色用于主要操作。\n## Typography\n正文使用body-md。\n## Layout\n使用8px间距。\n## Shapes\n使用8px圆角。\n## Components\n主要按钮统一消费语义引用。\n",
  "officialSchemaUrl": "https://github.com/google-labs-code/design.md/blob/main/docs/spec.md",
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    "case.md": "# DESIGN.md对比度检查：识别warning仍为零退出，给发布门槛另设判断\n\nDESIGN.md对比度检查不能只写命令成功。本课的浅灰按钮可能只有warning而退出码为0，因此要对可读性单独设门槛，同时保留焦点和禁用状态的人工检查。\n\n## 建立两个可比较按钮\n\n准备浅灰字/白底按钮与深色字/白底按钮，尺寸和文案完全相同。\n\n先把两组前景背景写入组件token，不用图片压缩后的取色代替源色值。\n\n## 保存基线渲染\n\n用作者HTML页同时显示两组样式，记录文字字号和正常阅读距离。\n\n截图只证明外观，不能替代颜色计算或键盘焦点测试。\n\n## 读取contrast finding\n\n运行lint并筛出contrast-ratio的warning，查看它对应的组件。\n\n官方规则针对组件前景背景低于4.5:1给警告，不要把warning解释为解析失败。\n\n## 辨认零退出的边界\n\n记录该文件退出码，并查看summary中的warnings。\n\n若exitCode为0但仍有对比度警告，说明本课需要的可读性门槛尚未满足。\n\n## 改语义色的前景组合\n\n将低对比按钮文字改为已有的深色on-surface，保留按钮背景。\n\n别同时改文案、尺寸和颜色，否则无法判断改善来自哪一项。\n\n## 写明确的检查条件\n\n在作者检查清单里约定contrast-ratio warning不得出现，再重复运行。\n\n这条是项目自己的交付要求，不把它说成CLI默认会以1退出的行为。\n\n## 复查焦点与禁用显示\n\n在预览页用Tab查看焦点环，切换禁用状态确认仍能辨认。\n\n保存色值、finding和截图三类证据，未执行的辅助技术检查保持未测。\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",
    "DESIGN-before.md": "---\nversion: alpha\nname: Field Kit\ncolors:\n  primary: \"#184A45\"\n  surface: \"#F7F4EC\"\ntypography:\n  body-md:\n    fontFamily: Arial\n    fontSize: 16px\n    fontWeight: 400\n    lineHeight: 1.6\nrounded:\n  sm: 8px\nspacing:\n  sm: 8px\ncomponents:\n  button-primary:\n    backgroundColor: \"#FFFFFF\"\n    textColor: \"#CBCBCB\"\n    typography: \"{typography.body-md}\"\n    rounded: \"{rounded.sm}\"\n    padding: \"{spacing.sm}\"\n---\n## Overview\nField Kit的预约界面。\n## Colors\n主色用于主要操作。\n## Typography\n正文使用body-md。\n## Layout\n使用8px间距。\n## Shapes\n使用8px圆角。\n## Components\n主要按钮统一消费语义引用。\n",
    "DESIGN-after.md": "---\nversion: alpha\nname: Field Kit\ncolors:\n  primary: \"#184A45\"\n  surface: \"#F7F4EC\"\ntypography:\n  body-md:\n    fontFamily: Arial\n    fontSize: 16px\n    fontWeight: 400\n    lineHeight: 1.6\nrounded:\n  sm: 8px\nspacing:\n  sm: 8px\ncomponents:\n  button-primary:\n    backgroundColor: \"#FFFFFF\"\n    textColor: \"#183B39\"\n    typography: \"{typography.body-md}\"\n    rounded: \"{rounded.sm}\"\n    padding: \"{spacing.sm}\"\n---\n## Overview\nField Kit的预约界面。\n## Colors\n主色用于主要操作。\n## Typography\n正文使用body-md。\n## Layout\n使用8px间距。\n## Shapes\n使用8px圆角。\n## Components\n主要按钮统一消费语义引用。\n",
    "contrast.html": "<!doctype html><html lang=\"zh-CN\"><meta charset=\"utf-8\"><meta name=\"viewport\" content=\"width=device-width,initial-scale=1\"><title>同文案按钮对比</title><style>body{font:16px/1.6 Arial,sans-serif;background:#f7f4ec;color:#183b39;margin:32px;max-width:1100px}h1{font-size:32px}article{padding:24px;border:1px solid #cbd4cc;background:white;margin:16px 0}button{background:#184a45;color:white;padding:12px 20px;border:0;border-radius:8px}table{border-collapse:collapse;width:100%}th,td{padding:10px;border:1px solid #cbd4cc;text-align:left}pre{white-space:pre-wrap;overflow-wrap:anywhere}.weak{background:#fff;color:#cbcbcb}.strong{background:#fff;color:#183b39}button:focus-visible{outline:3px solid #184a45;outline-offset:4px}</style><h1>继续预约</h1><article><button class=\"weak\">继续预约</button><button class=\"strong\">继续预约</button></article></html>",
    "contrast-warning.stdout.txt": "{\n  \"findings\": [\n    {\n      \"severity\": \"warning\",\n      \"path\": \"components.button-primary\",\n      \"message\": \"textColor (#cbcbcb) on backgroundColor (#ffffff) has contrast ratio 1.62:1, below WCAG AA minimum of 4.5:1.\",\n      \"rule\": \"contrast-ratio\"\n    },\n    {\n      \"severity\": \"info\",\n      \"message\": \"Design system defines 2 colors, 1 typography scale, 1 rounding level, 1 spacing token, 1 component.\",\n      \"rule\": \"token-summary\"\n    }\n  ],\n  \"summary\": {\n    \"errors\": 0,\n    \"warnings\": 1,\n    \"infos\": 1\n  }\n}\n",
    "contrast-warning.stderr.txt": "",
    "contrast-fixed.stdout.txt": "{\n  \"findings\": [\n    {\n      \"severity\": \"info\",\n      \"message\": \"Design system defines 2 colors, 1 typography scale, 1 rounding level, 1 spacing token, 1 component.\",\n      \"rule\": \"token-summary\"\n    }\n  ],\n  \"summary\": {\n    \"errors\": 0,\n    \"warnings\": 0,\n    \"infos\": 1\n  }\n}\n",
    "contrast-fixed.stderr.txt": "",
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}