Remove live check and migrate to abort signal. Fix cli to pass abort … #5321

Job	Run time
build-and-check	2m 45s
test-integration-packages/internal	38s
test-integration-packages/agent-runtime	39s
test-integration-.agents	40s
test-.agents	44s
test-integration-web	43s
test-packages/billing	45s
test-integration-packages/billing	46s
test-packages/agent-runtime	49s
test-cli	1m 2s
test-sdk	43s
test-packages/internal	45s
test-common	41s
test-integration-sdk	47s
test-integration-common	38s
test-web	41s
test-integration-cli	46s
	14m 32s

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