[codex] Handle missing CLI auth code tokens #6689

Job	Run time
build-and-check	3m 14s
test-integration-packages/internal	1m 14s
test-integration-packages/agent-runtime	40s
test-integration-common	45s
test-integration-cli	45s
test-integration-web	48s
test-cli	55s
test-packages/billing	40s
test-integration-sdk	1m 31s
test-common	43s
test-integration-packages/billing	1m 8s
test-packages/agent-runtime	44s
test-.agents	50s
test-packages/internal	46s
test-web	1m 17s
test-sdk	51s
	16m 51s

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