feat(workflow): workflow as tool output schema (#26241)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: crazywoola <100913391+crazywoola@users.noreply.github.com>
Co-authored-by: Novice <novice12185727@gmail.com>

web/app/components/tools/workflow-tool/configure-button.tsx

@@ -11,8 +11,8 @@ import WorkflowToolModal from '@/app/components/tools/workflow-tool'
 import Loading from '@/app/components/base/loading'
 import Toast from '@/app/components/base/toast'
 import { createWorkflowToolProvider, fetchWorkflowToolDetailByAppID, saveWorkflowToolProvider } from '@/service/tools'
-import type { Emoji, WorkflowToolProviderParameter, WorkflowToolProviderRequest, WorkflowToolProviderResponse } from '@/app/components/tools/types'
-import type { InputVar } from '@/app/components/workflow/types'
+import type { Emoji, WorkflowToolProviderOutputParameter, WorkflowToolProviderParameter, WorkflowToolProviderRequest, WorkflowToolProviderResponse } from '@/app/components/tools/types'
+import type { InputVar, Variable } from '@/app/components/workflow/types'
 import type { PublishWorkflowParams } from '@/types/workflow'
 import { useAppContext } from '@/context/app-context'
 import { useInvalidateAllWorkflowTools } from '@/service/use-tools'
@@ -26,6 +26,7 @@ type Props = {
   name: string
   description: string
   inputs?: InputVar[]
+  outputs?: Variable[]
   handlePublish: (params?: PublishWorkflowParams) => Promise<void>
   onRefreshData?: () => void
   disabledReason?: string
@@ -40,6 +41,7 @@ const WorkflowToolConfigureButton = ({
   name,
   description,
   inputs,
+  outputs,
   handlePublish,
   onRefreshData,
   disabledReason,
@@ -80,6 +82,8 @@ const WorkflowToolConfigureButton = ({
 
   const payload = useMemo(() => {
     let parameters: WorkflowToolProviderParameter[] = []
+    let outputParameters: WorkflowToolProviderOutputParameter[] = []
+
     if (!published) {
       parameters = (inputs || []).map((item) => {
         return {
@@ -90,6 +94,13 @@ const WorkflowToolConfigureButton = ({
           type: item.type,
         }
       })
+      outputParameters = (outputs || []).map((item) => {
+        return {
+          name: item.variable,
+          description: '',
+          type: item.value_type,
+        }
+      })
     }
     else if (detail && detail.tool) {
       parameters = (inputs || []).map((item) => {
@@ -101,6 +112,14 @@ const WorkflowToolConfigureButton = ({
           form: detail.tool.parameters.find(param => param.name === item.variable)?.form || 'llm',
         }
       })
+      outputParameters = (outputs || []).map((item) => {
+        const found = detail.tool.output_schema?.properties?.[item.variable]
+        return {
+          name: item.variable,
+          description: found ? found.description : '',
+          type: item.value_type,
+        }
+      })
     }
     return {
       icon: detail?.icon || icon,
@@ -108,6 +127,7 @@ const WorkflowToolConfigureButton = ({
       name: detail?.name || '',
       description: detail?.description || description,
       parameters,
+      outputParameters,
       labels: detail?.tool?.labels || [],
       privacy_policy: detail?.privacy_policy || '',
       ...(published

web/app/components/tools/workflow-tool/index.tsx

@@ -1,9 +1,9 @@
 'use client'
 import type { FC } from 'react'
-import React, { useState } from 'react'
+import React, { useMemo, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import { produce } from 'immer'
-import type { Emoji, WorkflowToolProviderParameter, WorkflowToolProviderRequest } from '../types'
+import type { Emoji, WorkflowToolProviderOutputParameter, WorkflowToolProviderParameter, WorkflowToolProviderRequest } from '../types'
 import cn from '@/utils/classnames'
 import Drawer from '@/app/components/base/drawer-plus'
 import Input from '@/app/components/base/input'
@@ -16,6 +16,8 @@ import MethodSelector from '@/app/components/tools/workflow-tool/method-selector
 import LabelSelector from '@/app/components/tools/labels/selector'
 import ConfirmModal from '@/app/components/tools/workflow-tool/confirm-modal'
 import Tooltip from '@/app/components/base/tooltip'
+import { VarType } from '@/app/components/workflow/types'
+import { RiErrorWarningLine } from '@remixicon/react'
 
 type Props = {
   isAdd?: boolean
@@ -45,7 +47,29 @@ const WorkflowToolAsModal: FC<Props> = ({
   const [name, setName] = useState(payload.name)
   const [description, setDescription] = useState(payload.description)
   const [parameters, setParameters] = useState<WorkflowToolProviderParameter[]>(payload.parameters)
-  const handleParameterChange = (key: string, value: string, index: number) => {
+  const outputParameters = useMemo<WorkflowToolProviderOutputParameter[]>(() => payload.outputParameters, [payload.outputParameters])
+  const reservedOutputParameters: WorkflowToolProviderOutputParameter[] = [
+    {
+      name: 'text',
+      description: t('workflow.nodes.tool.outputVars.text'),
+      type: VarType.string,
+      reserved: true,
+    },
+    {
+      name: 'files',
+      description: t('workflow.nodes.tool.outputVars.files.title'),
+      type: VarType.arrayFile,
+      reserved: true,
+    },
+    {
+      name: 'json',
+      description: t('workflow.nodes.tool.outputVars.json'),
+      type: VarType.arrayObject,
+      reserved: true,
+    },
+  ]
+
+  const handleParameterChange = (key: string, value: any, index: number) => {
     const newData = produce(parameters, (draft: WorkflowToolProviderParameter[]) => {
       if (key === 'description')
         draft[index].description = value
@@ -69,6 +93,10 @@ const WorkflowToolAsModal: FC<Props> = ({
     return /^\w+$/.test(name)
   }
 
+  const isOutputParameterReserved = (name: string) => {
+    return reservedOutputParameters.find(p => p.name === name)
+  }
+
   const onConfirm = () => {
     let errorMessage = ''
     if (!label)
@@ -225,6 +253,51 @@ const WorkflowToolAsModal: FC<Props> = ({
                   </table>
                 </div>
               </div>
+              {/* Tool Output  */}
+              <div>
+                <div className='system-sm-medium py-2 text-text-primary'>{t('tools.createTool.toolOutput.title')}</div>
+                <div className='w-full overflow-x-auto rounded-lg border border-divider-regular'>
+                  <table className='w-full text-xs font-normal leading-[18px] text-text-secondary'>
+                    <thead className='uppercase text-text-tertiary'>
+                      <tr className='border-b border-divider-regular'>
+                        <th className="w-[156px] p-2 pl-3 font-medium">{t('tools.createTool.name')}</th>
+                        <th className="p-2 pl-3 font-medium">{t('tools.createTool.toolOutput.description')}</th>
+                      </tr>
+                    </thead>
+                    <tbody>
+                      {[...reservedOutputParameters, ...outputParameters].map((item, index) => (
+                        <tr key={index} className='border-b border-divider-regular last:border-0'>
+                          <td className="max-w-[156px] p-2 pl-3">
+                            <div className='text-[13px] leading-[18px]'>
+                              <div title={item.name} className='flex items-center'>
+                                <span className='truncate font-medium text-text-primary'>{item.name}</span>
+                                <span className='shrink-0 pl-1 text-xs leading-[18px] text-[#ec4a0a]'>{item.reserved ? t('tools.createTool.toolOutput.reserved') : ''}</span>
+                                {
+                                  !item.reserved && isOutputParameterReserved(item.name) ? (
+                                    <Tooltip
+                                      popupContent={
+                                        <div className='w-[180px]'>
+                                          {t('tools.createTool.toolOutput.reservedParameterDuplicateTip')}
+                                        </div>
+                                      }
+                                    >
+                                      <RiErrorWarningLine className='h-3 w-3 text-text-warning-secondary' />
+                                    </Tooltip>
+                                  ) : null
+                                }
+                              </div>
+                              <div className='text-text-tertiary'>{item.type}</div>
+                            </div>
+                          </td>
+                          <td className="w-[236px] p-2 pl-3 text-text-tertiary">
+                            <span className='text-[13px] font-normal leading-[18px] text-text-secondary'>{item.description}</span>
+                          </td>
+                        </tr>
+                      ))}
+                    </tbody>
+                  </table>
+                </div>
+              </div>
               {/* Tags */}
               <div>
                 <div className='system-sm-medium py-2 text-text-primary'>{t('tools.createTool.toolInput.label')}</div>