fix typecheck for evals #3961

Job	Run time
build-and-check	2m 13s
test-integration-common	35s
test-integration-cli	31s
test-integration-backend	30s
test-integration-.agents	30s
test-integration-web	31s
test-backend	41s
test-integration-npm-app	35s
test-.agents	34s
test-integration-packages/agent-runtime	35s
test-cli	36s
test-common	37s
test-packages/agent-runtime	32s
test-npm-app	40s
test-web	34s
	10m 14s

Provide feedback