jorge-cab 6cf0f2acf1 [mcp] Add proper web-vitals metric collection (#33109)
Multiple things here:
- Improve the mean calculation for metrics so we don't report 0 when
web-vitals fail to be retrieved
- improve ui chaos monkey to use puppeteer APIs since only those trigger
INP/CLS metrics since we need emulated mouse clicks
- Add logic to navigate to a temp page after render since some
web-vitals metrics are only calculated when the page is backgrounded
- Some readability improvements

DiffTrain build for [7a2c7045ae](https://github.com/facebook/react/commit/7a2c7045aed222b1ece44a18db6326f2f10c89e3)
2025-05-06 08:58:05 -07:00
2023-02-20 16:27:42 +00:00
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