fix:variable not update in nested workflow runs (#2830)

packages/service/core/workflow/dispatch/agent/runTool/index.ts

@@ -184,6 +184,7 @@ export const dispatchRunTools = async (props: DispatchToolModuleProps): Promise<
 
   // flat child tool response
   const childToolResponse = dispatchFlowResponse.map((item) => item.flowResponses).flat();
+  const newVariables = dispatchFlowResponse[dispatchFlowResponse.length - 1]?.newVariables;
 
   // concat tool usage
   const totalPointsUsage =
@@ -219,6 +220,7 @@ export const dispatchRunTools = async (props: DispatchToolModuleProps): Promise<
         tokens: totalTokens
       },
       ...flatUsages
-    ]
+    ],
+    [DispatchNodeResponseKeyEnum.newVariables]: newVariables
   };
 };

packages/service/core/workflow/dispatch/index.ts

@@ -555,6 +555,14 @@ export async function dispatchWorkFlow(data: Props): Promise<DispatchFlowRespons
       dispatchRes[item.key] = valueTypeFormat(item.defaultValue, item.valueType);
     });
 
+    // Update new variables
+    if (dispatchRes[DispatchNodeResponseKeyEnum.newVariables]) {
+      variables = {
+        ...variables,
+        ...dispatchRes[DispatchNodeResponseKeyEnum.newVariables]
+      };
+    }
+
     return {
       node,
       runStatus: 'run',

packages/service/core/workflow/dispatch/loop/runLoop.ts

@@ -38,6 +38,7 @@ export const dispatchLoop = async (props: Props): Promise<Response> => {
   const loopDetail: ChatHistoryItemResType[] = [];
   let assistantResponses: AIChatItemValueItemType[] = [];
   let totalPoints = 0;
+  let newVariables: Record<string, any> = {};
 
   for await (const item of loopInputArray) {
     const response = await dispatchWorkFlow({
@@ -72,6 +73,10 @@ export const dispatchLoop = async (props: Props): Promise<Response> => {
     assistantResponses.push(...response.assistantResponses);
 
     totalPoints = response.flowUsages.reduce((acc, usage) => acc + usage.totalPoints, 0);
+    newVariables = {
+      ...newVariables,
+      ...response.newVariables
+    };
   }
 
   return {
@@ -88,6 +93,7 @@ export const dispatchLoop = async (props: Props): Promise<Response> => {
         moduleName: name
       }
     ],
-    [NodeOutputKeyEnum.loopArray]: outputValueArr
+    [NodeOutputKeyEnum.loopArray]: outputValueArr,
+    [DispatchNodeResponseKeyEnum.newVariables]: newVariables
   };
 };