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perf(app): add explorer toggle profiling harness

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Mohamed Boudra
2026-08-17 22:55:46 +02:00
parent 7a61a642a9
commit 75ccae13be
3 changed files with 552 additions and 0 deletions
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docs/development.md
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@@ -242,6 +242,19 @@ focused invalidation capture; React Native's generated stacks make that mode hig
Set `PASEO_PROFILE_TRACE_FOCUS=1` to include focus targets, durations, and JavaScript call stacks in
the scenario report. This mode wraps `HTMLElement.focus`, so use it only for diagnosis.
For the desktop explorer toggle, run the app against the root checkout's daemon and use:
```bash
npm run profile:explorer-toggle --workspace=@getpaseo/app
```
The harness verifies port `6768`, opens the Paseo workspace, creates and warms the explorer pane,
records an idle control, then measures settled and 50 ms burst Cmd+E toggles. It reports
input-to-DOM and input-to-paint latency, React commits, mounts, unmounts, and DOM mutations. Set
`PASEO_PROFILE_TRACE_PATH=/tmp/explorer-toggle.trace.json` or
`PASEO_PROFILE_CPU_PATH=/tmp/explorer-toggle.cpuprofile` for separate Chromium captures. Override
the app URL, daemon port, workspace, or server with the corresponding `PASEO_PROFILE_*` variables.
For sustained composer typing, run the paired composer-versus-textarea benchmark against a seeded
daemon: