[codex] Handle missing CLI auth code tokens #761

Job	Run time
build-freebuff	1m 23s
build-and-smoke-freebuff-windows	3m 27s
e2e-version	1m 3s
e2e-slash-commands	52s
e2e-ads-behavior	1m 19s
e2e-agent-startup	2m 33s
e2e-startup	1m 9s
e2e-code-edit	1m 3s
e2e-help-command	1m 17s
e2e-terminal-command	52s
	14m 58s

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