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<!doctype html>
<html lang="zh-CN">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Beta 指标证据 · CodeIsCheap</title>
<link rel="stylesheet" href="assets/styles.css" />
</head>
<body>
<header class="site-header"><div class="header-inner"><a class="brand" href="index.html"><span class="brand-mark">C</span>CodeIsCheap</a><nav class="site-nav" aria-label="文档导航"><a href="index.html">总览</a><a href="product.html">产品</a><a href="capture.html">采集</a><a href="architecture.html">架构</a><a href="security.html">安全</a><a href="experience.html">体验</a><a href="delivery.html">交付</a><a href="compatibility.html">兼容</a><a href="release.html">发布</a><a href="beta-evidence.html" aria-current="page">Beta 证据</a><a href="progress.html">进度</a></nav></div></header>
<div class="page">
<main>
<p class="eyebrow">10 · Beta Evidence</p>
<h1>Beta 指标证据</h1>
<p class="lead">参与者在 Metrics 页人工复核并导出本机聚合值;没有后台上传,也不收集 Prompt、请求标识、日志或请求时间戳。</p>
<div class="decision"><strong>去重边界</strong>每个安装生成随机 128-bit 样本 ID,仅供离线聚合器拒绝重复贡献者。最终报告不保留样本 ID,只记录源文件 SHA-256。</div>
<h2 id="policy">门槛</h2>
<div class="table-wrap"><table><thead><tr><th>Gate</th><th>目标</th><th>最小证据量</th></tr></thead><tbody>
<tr><td>首次成功捕获 P50</td><td>< 180,000 ms</td><td>30 位贡献者、30 个合格样本</td></tr>
<tr><td>支持端点解析率</td><td>> 95%</td><td>30 位贡献者、1,000 个请求</td></tr>
<tr><td>Crash-free session</td><td>> 99.5%</td><td>30 位贡献者、1,000 个完成会话</td></tr>
</tbody></table></div>
<p class="note">权威配置为 <code>release/beta-metrics-policy.v0.1.json</code>。证据不足标记为 <code>insufficient</code>,不会伪装成通过或失败。</p>
<h2 id="aggregate">聚合</h2>
<pre><code>python scripts/aggregate_beta_metrics.py \
--policy release/beta-metrics-policy.v0.1.json \
--input-directory path/to/reviewed-exports \
--output path/to/new-beta-report.json \
--require-ready
python scripts/verify_readiness_evidence.py verify-beta \
--repository-root . \
--evidence path/to/new-beta-report.json</code></pre>
<p>工具拒绝重复样本、重复 JSON key、symlink、超限文件、错误版本、非目标平台、未知字段、不安全隐私声明、伪造率和违反子集关系的计数。输出必须是新文件。</p>
<h2 id="review">审核</h2>
<ol>
<li>确认输入目录只含每位参与者最新且主动提交的一份导出。</li>
<li>保存聚合命令、策略版本、最终报告与受控原始证据位置。</li>
<li>由 Release Owner 审核三个 gate;未达标时继续取样或修复产品。</li>
<li>通过后将无样本 ID 的报告作为三个 Beta gate 的首项 readiness evidence;原始文件不进入仓库。</li>
</ol>
<footer class="doc-footer"><a href="release.html">← 签名发布</a><a href="progress.html">下一篇:进度跟踪 →</a></footer>
</main>
<aside class="toc"><strong>本页</strong><a href="#policy">门槛</a><a href="#aggregate">聚合</a><a href="#review">审核</a></aside>
</div>
</body>
</html>