fix: better validations around atomics #156

Job	Run time
ash-ci / mix deps.get	16s
ash-ci / MIX_ENV=test mix.compile	1m 15s
ash-ci / MIX_ENV=dev mix.compile	1m 45s
ash-ci / audit	1m 27s
ash-ci / mix spark.cheat_sheets --check	1m 13s
ash-ci / mix format --check-formatted	1m 11s
ash-ci / mix sobelow	1m 7s
ash-ci / mix credo --strict	1m 16s
ash-ci / mix spark.formatter --check	1m 13s
ash-ci / mix test	1m 35s
ash-ci / mix deps.unlock --check-unused	1m 7s
ash-ci / mix dialyzer	4m 22s
ash-ci / mix docs	1m 7s
ash-ci / Deploy docs to GitHub pages.	7s
ash-ci / Release	0s
	19m 1s

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