4.0.0 org.bsc.langgraph4j langgraph4j-parent 1.6.0-rc2 ../../pom.xml langgraph4j-studio-springboot langgraph4j::studio::springboot an embed playground webapp to run a Langgraph4j workflow in visual way on springboot platform 17 17 UTF-8 org.bsc.langgraph4j langgraph4j-studio ${project.version} org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-starter-parent 3.4.2 pom import org.springframework.boot spring-boot-maven-plugin