{ "diagnostic": { "completed": true, "diagnostic_status": "completed", "answered": 6, "starting_level": "入门" }, "exercise": { "state": "available_after_explicit_request", "public_tests_visible": false, "private_evaluator_visible": false }, "project": { "state": "controlled_unavailable_or_available", "allowed_unavailable_code": "PROJECT_CONTENT_UNAVAILABLE" } }