高频 UI 变更下，视觉 QA 需要合并前逐像素基线检查

来源证据

Buddy 自家 QA 团队运行数千个 Playwright 测试覆盖整个平台后，仍需额外视觉测试来捕获布局移位、样式问题等会从通过的功能测试中漏掉的视觉回归。

Hi, Head of the Buddy QA team here. We’re running a couple thousand Playwright tests that cover pretty much the entire platform. Adding Visual Tests on top of that gives us another layer of confidence. Playwright tells us whether everything works as expected, while Visual Tests help us catch layout shifts, styling issues, and other visual regressions that can still slip through a passing test suite. For us, it fits naturally into the QA process we already had in place rather than replacing