Handle native Mac extraction worker exit races

docs/MACOS-RUNTIME.md

@@ -114,3 +114,8 @@ it is not equivalent to a kernel-enforced hard address-space limit. Linux and
 Windows retain their existing resource policies. An owned live-child test
 verifies budget rejection; five process-owner tests and two actual parent/worker
 roundtrip/rejection tests pass on the Mac.
+
+Resident-memory inspection also retries the short exit-to-waitable transition
+before treating a live child as uninspectable. Ten fresh installed CLI/helper
+DOCX runs returned the expected passage; the native roundtrip test repeats that
+short-lived worker path ten times to cover the race.