[codex] Fix Freebuff 429 error messaging (#697) #6666

Job	Run time
build-and-check	3m 13s
test-integration-packages/billing	1m 0s
test-integration-packages/internal	1m 0s
test-integration-web	39s
test-integration-cli	38s
test-integration-common	55s
test-integration-sdk	1m 19s
test-integration-packages/agent-runtime	49s
test-cli	55s
test-packages/billing	49s
test-common	39s
test-.agents	48s
test-packages/agent-runtime	40s
test-web	50s
test-sdk	40s
test-packages/internal	57s
	15m 51s

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