复制src/pages/workflow/registerNode/StartNode.vue

src/pages/workflow/workflow.vue中initDndPanel添加节点

复制src/pages/workflow/registerNode/LlmNodeModel.js (initNodeData若有需要，要添加属性字段)

src/pages/workflow/workflow.vue中registerNode注册节点

src/pages/workflow/Prop/BaseProp.vue-nodeType添加分类