{"message":"PDF Boundary Extraction API","version":"1.0.0","cache_enabled":true,"cache_provider":"disk","cache_key_strategy":"lightweight","endpoints":{"extract_boundaries":"/extract/boundaries/","extract_exam":"/extract/exam/","register_rectangles":"/register/rectangles/","list_sessions":"/register/sessions/","get_session":"/register/sessions/{session_id}","clear_cache":"/cache/clear/","cleanup_cache":"/cache/cleanup/","gridly_test":"/gridly/test","iterate_question":"/question/iterate/","create_test":"/test/create/","gridly_record":"/gridly/record/{key}","gridly_update_record":"/gridly/record"}}