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[0.83] Backport performance debugging improvements #1274

@huntie

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@huntie

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0.83-stable

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facebook/react-native#56372

Description

Backports some CDP Performance features and stability improvements to 0.83-stable. This supports a validation project with these features within Expo.

This includes:

  • Remaining implementation of Frame Timings and screenshot capture in performance traces (Android)
  • New support for Frame Timings and screenshot capture on iOS
  • Optimisations to trace chunk generation, memory usage during performance recording
  • Page.captureScreenshot (Android, iOS)

All features remain gated behind feature flags (fuseboxFrameRecordingEnabled, fuseboxScreenshotCaptureEnabled).

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