feat(ai-web): 输出节点改为多变量输出

service-ai/service-ai-web/src/main/java/com/lanyuanxiaoyao/service/ai/web/engine/node/OutputNode.java

@@ -10,10 +10,11 @@ import lombok.extern.slf4j.Slf4j;
  */
 @Slf4j
 public class OutputNode extends FlowNodeRunner {
+  private static final String KEY = "flow_outputs";
+
   @Override
   public void run() {
-    String expression = getData("output");
-    var targetVariable = FlowHelper.generateVariable(expression, getContext());
-    log.info("Target: {}", targetVariable);
+    var variableMap = FlowHelper.generateInputVariablesMap(getNodeId(), getContext());
+    getContext().getData().put(KEY, variableMap.toMap());
   }
 }