[codex] Handle missing CLI auth code tokens (#710) #762

Job	Run time
build-freebuff	1m 40s
build-and-smoke-freebuff-windows	3m 34s
e2e-help-command	1m 9s
e2e-terminal-command	1m 14s
e2e-agent-startup	2m 16s
e2e-slash-commands	52s
e2e-startup	1m 9s
e2e-code-edit	1m 8s
e2e-ads-behavior	1m 3s
e2e-version	53s
	14m 58s

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