fix(workflow): relax variable update reference validation to ignore stale valueType (#6859)

projects/app/src/web/core/workflow/utils.ts

@@ -569,23 +569,21 @@ export const checkWorkflowNodeAndConnection = ({
           if (!isValidReferenceValue(item.variable, nodeIds) || !isLiveReference(item.variable))
             return true;
 
-          const isArrayVar =
-            typeof item.valueType === 'string' && item.valueType.startsWith('array');
-
           if (item.renderType === FlowNodeInputTypeEnum.reference) {
-            if (isArrayVar) {
-              return (
-                !Array.isArray(item.value) ||
-                item.value.length === 0 ||
-                (item.value as ReferenceItemValueType[]).some((v) => !isLiveReference(v))
-              );
+            // 接受单引用 [ref] 与引用数组 [[ref], ...]，与 dispatcher 对齐
+            if (isValidReferenceValueFormat(item.value)) {
+              return !isLiveReference(item.value as ReferenceItemValueType);
             }
-            return !isLiveReference(item.value as ReferenceItemValueType);
+            return (
+              !Array.isArray(item.value) ||
+              item.value.length === 0 ||
+              (item.value as ReferenceItemValueType[]).some((v) => !isLiveReference(v))
+            );
           }
 
-          // input mode: clear 不需要 value；boolean 由 booleanMode 决定
-          if (isArrayVar && item.arrayMode === 'clear') return false;
-          if (item.valueType === WorkflowIOValueTypeEnum.boolean) return false;
+          // input 模式：clear / boolean 由模式字段决定，不读 value
+          if (item.arrayMode === 'clear') return false;
+          if (item.booleanMode) return false;
           const inputVal = item.value?.[1];
           return inputVal === undefined || inputVal === null || inputVal === '';
         })

projects/app/test/web/core/app/workflow/utils.test.ts

@@ -528,6 +528,34 @@ describe('checkWorkflowNodeAndConnection', () => {
       ).toEqual(['u1']);
     });
 
+    // item.valueType 是写入快照，不与目标变量同步——校验只看 value 形态
+    it('passes reference array form regardless of stale valueType', () => {
+      expect(
+        run([
+          {
+            variable: [VARIABLE_NODE_ID, 'foo'],
+            value: [[VARIABLE_NODE_ID, 'bar']],
+            valueType: WorkflowIOValueTypeEnum.string,
+            renderType: FlowNodeInputTypeEnum.reference
+          }
+        ])
+      ).toBeUndefined();
+    });
+
+    // 历史数据：array reference 旧版本存为单引用 [refNode, refOutputId]
+    it('passes legacy single-reference form for array valueType', () => {
+      expect(
+        run([
+          {
+            variable: [VARIABLE_NODE_ID, 'foo'],
+            value: [VARIABLE_NODE_ID, 'bar'],
+            valueType: WorkflowIOValueTypeEnum.arrayString,
+            renderType: FlowNodeInputTypeEnum.reference
+          }
+        ])
+      ).toBeUndefined();
+    });
+
     it('passes a fully filled input row', () => {
       expect(
         run([