feat: make SDK local-first and remove platform-only surfaces #3720

Job	Run time
run-tests-cpu / run-test-cpu-local	5m 51s
pre-commit-check / pre-commit-check	28s
run-tests-gpu	0s
run-tests-cpu / run-test-cpu-client	0s
build-docker-image	0s
	6m 19s

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