feat: 完成工作流多文件文档解析闭环

- 支持文档解析节点批量解析并收口为 documents 轻量输出

- 收口引用树、节点输出展示与旧工作流固定输出兼容

- 修复共享按钮点击事件，恢复多个节点加号交互

easyflow-ui-admin/packages/tinyflow-ui/src/utils/workflowNodeFields.test.ts

@@ -359,8 +359,12 @@ describe('workflow node fields', () => {
 
     expect(documentsParameter?.displayName).toBe('知识库 > documents');
     expect(documentsParameter?.formLabel).toBe('知识库 > documents');
-    expect(contentParameter?.displayName).toBe('知识库 > documents.content');
-    expect(contentParameter?.formLabel).toBe('知识库 > documents.content');
+    expect(documentsParameter?.pathLabel).toBe('documents');
+    expect(documentsParameter?.isCollection).toBe(true);
+    expect(contentParameter?.displayName).toBe('知识库 > documents.[].content');
+    expect(contentParameter?.formLabel).toBe('知识库 > documents.[].content');
+    expect(contentParameter?.pathLabel).toBe('documents.[].content');
+    expect(contentParameter?.itemTypeLabel).toBe('数组项字段');
   });
 
   it('uses document node child outputs for reference display', () => {
@@ -385,14 +389,6 @@ describe('workflow node fields', () => {
               },
             ],
           },
-          {
-            name: 'contents',
-            formLabel: '逐文件内容',
-          },
-          {
-            name: 'count',
-            formLabel: '数量',
-          },
         ],
       },
     };
@@ -419,13 +415,9 @@ describe('workflow node fields', () => {
     expect(parameters.find((item) => item.name === 'doc_1.documents')?.displayName)
       .toBe('文档解析 > documents');
     expect(parameters.find((item) => item.name === 'doc_1.documents.fileName')?.displayName)
-      .toBe('文档解析 > documents.fileName');
+      .toBe('文档解析 > documents.[].fileName');
     expect(parameters.find((item) => item.name === 'doc_1.documents.content')?.displayName)
-      .toBe('文档解析 > documents.content');
-    expect(parameters.find((item) => item.name === 'doc_1.contents')?.displayName)
-      .toBe('文档解析 > contents');
-    expect(parameters.find((item) => item.name === 'doc_1.count')?.displayName)
-      .toBe('文档解析 > count');
+      .toBe('文档解析 > documents.[].content');
   });
 
   it('applies default binding to llm user prompt after connect', () => {

easyflow-ui-admin/packages/tinyflow-ui/src/utils/workflowNodeFields.ts

@@ -160,6 +160,38 @@ function getReferenceParameterLabel(parameter?: Parameter | null) {
   return asString(parameter?.name).trim() || getParameterLabel(parameter);
 }
 
+function isCollectionOutputParameter(parameter?: Parameter | null) {
+  const dataType = asString(parameter?.dataType).trim();
+  return (
+    !!parameter?.children?.length &&
+    (
+      dataType === 'Array' ||
+      dataType.length === 0
+    )
+  );
+}
+
+function getCollectionDisplayName(label: string) {
+  return label.endsWith('.[]') ? label : `${label}.[]`;
+}
+
+function buildCollectionAwareLabel(
+  referenceLabel: string,
+  parentLabel: string,
+  parentIsCollection: boolean,
+) {
+  const normalizedReferenceLabel = asString(referenceLabel).trim();
+  if (!normalizedReferenceLabel) {
+    return parentLabel;
+  }
+  if (!parentLabel) {
+    return normalizedReferenceLabel;
+  }
+  return parentIsCollection
+    ? `${parentLabel}.[].${normalizedReferenceLabel}`
+    : `${parentLabel}.${normalizedReferenceLabel}`;
+}
+
 function buildDisconnectedDisplayName(parameter: Parameter) {
   const displayName =
     asString(parameter.displayName).trim() ||
@@ -200,6 +232,7 @@ function flattenOutputDefs(
   parameters: Parameter[],
   parentPath = '',
   parentLabel = '',
+  parentIsCollection = false,
 ): Parameter[] {
   if (!parameters.length) {
     return [];
@@ -212,17 +245,21 @@ function flattenOutputDefs(
     }
 
     const path = parentPath ? `${parentPath}.${rawName}` : rawName;
-    const label = parentLabel
-      ? `${parentLabel}.${getReferenceParameterLabel(parameter)}`
-      : getReferenceParameterLabel(parameter);
+    const referenceLabel = getReferenceParameterLabel(parameter);
+    const label = buildCollectionAwareLabel(referenceLabel, parentLabel, parentIsCollection);
+    const displayName = `${getNodeTitle(node)} > ${label}`;
+    const isCollection = isCollectionOutputParameter(parameter);
     const fullRef = `${node.id}.${path}`;
     const baseCandidate: Parameter = ensureParameterId({
       name: fullRef,
       ref: fullRef,
       refType: 'ref',
       dataType: parameter.dataType || 'String',
-      displayName: `${getNodeTitle(node)} > ${label}`,
-      formLabel: `${getNodeTitle(node)} > ${label}`,
+      displayName,
+      formLabel: displayName,
+      pathLabel: label,
+      itemTypeLabel: parentIsCollection ? '数组项字段' : undefined,
+      isCollection,
       nameDisabled: true,
       dataTypeDisabled: true,
       deleteDisabled: true,
@@ -234,6 +271,7 @@ function flattenOutputDefs(
       parameter.children || [],
       path,
       label,
+      isCollection,
     );
 
     return [baseCandidate, ...children];
@@ -1227,7 +1265,7 @@ export function renameStartFieldReferencesInNodes(
   startNodeId: string,
   currentKey: string,
   nextKey: string,
-) {
+): Node[] {
   const normalizedStartNodeId = trimString(startNodeId);
   const normalizedCurrentKey = trimString(currentKey);
   const normalizedNextKey = trimString(nextKey);