[codex] Fix baseline Windows OAuth login #6656

Job	Run time
build-and-check	2m 51s
test-integration-packages/billing	1m 6s
test-integration-packages/internal	1m 4s
test-integration-packages/agent-runtime	51s
test-integration-web	39s
test-integration-common	51s
test-integration-sdk	1m 17s
test-integration-cli	51s
test-common	39s
test-packages/billing	52s
test-packages/internal	53s
test-packages/agent-runtime	50s
test-cli	1m 1s
test-web	58s
test-.agents	50s
test-sdk	51s
	16m 24s

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