Improve onboarding flow #5679

Job	Run time
build-and-check	2m 39s
test-integration-packages/billing	1m 6s
test-integration-packages/internal	1m 0s
test-integration-packages/agent-runtime	42s
test-integration-web	41s
test-integration-common	40s
test-common	38s
test-cli	52s
test-integration-sdk	48s
test-integration-cli	38s
test-.agents	42s
test-sdk	43s
test-packages/agent-runtime	44s
test-packages/internal	55s
test-packages/billing	42s
test-web	51s
	14m 21s

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