stabilize liveliness API #9987

Job	Run time
Lints and doc tests on ubuntu-latest	10m 39s
Lints and doc tests on windows-latest	16m 57s
Unit tests on ubuntu-latest	25m 40s
Lints and doc tests on macos-13	29m 42s
Lints and doc tests on macos-14	9m 55s
Unit tests on windows-latest	35m 22s
Unit tests on macos-13	17m 2s
Typos Check	7s
Unit tests on macos-14	13m 8s
Memory leak checks	2m 24s
CI status checks	1s
	2h 40m 57s

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