[codex] Fix Freebuff 429 error messaging #6664

Job	Run time
build-and-check	2m 53s
test-integration-packages/billing	1m 18s
test-integration-packages/internal	1m 5s
test-integration-cli	39s
test-integration-common	49s
test-integration-web	50s
test-integration-sdk	1m 12s
test-integration-packages/agent-runtime	43s
test-packages/billing	39s
test-common	39s
test-packages/agent-runtime	41s
test-cli	53s
test-.agents	39s
test-packages/internal	45s
test-web	54s
test-sdk	41s
	15m 20s

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