refactor: new workflow run logs

internal/workflow/node-processor/start_node.go

@@ -14,13 +14,13 @@ type startNode struct {
 func NewStartNode(node *domain.WorkflowNode) *startNode {
 	return &startNode{
 		node:       node,
-		nodeLogger: NewNodeLogger(node),
+		nodeLogger: newNodeLogger(node),
 	}
 }
 
 func (n *startNode) Process(ctx context.Context) error {
 	// 此类型节点不需要执行任何操作，直接返回
-	n.AddOutput(ctx, n.node.Name, "完成")
+	n.AppendLogRecord(ctx, domain.WorkflowRunLogLevelInfo, "进入开始节点")
 
 	return nil
 }