Fix: Address TypeScript compatibility issues in CLI init and agent sc… #5245

Job	Run time
build-and-check	2m 46s
test-cli	1m 53s
test-packages/agent-runtime	49s
test-packages/billing	35s
test-.agents	46s
test-common	40s
test-integration-cli	39s
test-integration-packages/internal	38s
test-web	45s
test-integration-sdk	55s
test-integration-.agents	1m 20s
test-integration-packages/agent-runtime	38s
test-integration-packages/billing	39s
test-sdk	45s
test-integration-web	41s
test-packages/internal	40s
test-integration-common	40s
	15m 49s

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