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This repository was archived by the owner on Jun 4, 2026. It is now read-only.
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决策
P0 主演示环境锁定桌面 Chrome / Edge latest,页面运行在 HTTPS 或 localhost。Safari / Firefox 只进入兼容性记录,不作为 DDL 前主演示路径。P0 同时设定录制时长、文件大小、事件数量、media Blob、seek 响应和媒体漂移预算。
备选方案
理由
MediaRecorder、设备权限、WebM、autoplay 和 sandbox 行为在浏览器间差异明显。最新方案用量化预算定义可展示 Demo 的边界,避免 P0 被兼容性和长录制压测拖垮。
影响
P0 单次稳定 Demo 录制 5 分钟内,最大建议 15 分钟;单文件 200KB 内,previewHtml 200KB 内,事件 20,000 条内,media Blob 200MB 内;seek 目标 300ms 内恢复编辑器稳定状态,媒体漂移小于 250ms。
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