* perf(renderer): avoid per-second spinner animation events
* fix(bench): ensure the Electron runtime before bench:spinners
The script launches Electron via Playwright but skipped ensure:electron-runtime,
which every other Electron-launching bench script runs first.
* docs(renderer): scope spinner pixel-tolerance claim to paused-animation checks
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Co-authored-by: m4air <m4air@m4airs-MacBook-Air.local>
Co-authored-by: pullfrog[bot] <226033991+pullfrog[bot]@users.noreply.github.com>
