Peter Steinberger 95a1420d97 test(tooling): publish the gauntlet grandchild pid atomically (#114418) ...

fs.writeFileSync creates the pid file before its bytes land, so waiting on
existence could read it empty and parse NaN. Write to a temp path and
rename, so a reader sees either nothing or the complete pid.

2026-07-27 04:48:34 -04:00

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