human input step run when no variables

web/app/components/workflow/nodes/_base/components/before-run-form/index.tsx

@@ -158,11 +158,11 @@ const BeforeRunForm: FC<BeforeRunFormProps> = ({
     if(hasRun.current)
       return
     hasRun.current = true
-    if(filteredExistVarForms.length === 0)
+    if(filteredExistVarForms.length === 0 && !isHumanInput)
       onRun({})
   }, [filteredExistVarForms, onRun])
 
-  if(filteredExistVarForms.length === 0)
+  if(filteredExistVarForms.length === 0 && !isHumanInput)
     return null
 
   return (
@@ -189,6 +189,7 @@ const BeforeRunForm: FC<BeforeRunFormProps> = ({
           <SingleRunForm
             nodeName={nodeName}
             handleBack={handleHideGeneratedForm}
+            showBackButton={generatedFormContentData.showBackButton}
             formContent={generatedFormContentData.formContent}
             inputFields={generatedFormContentData.inputFields}
             userActions={generatedFormContentData.userActions}

web/app/components/workflow/nodes/_base/components/workflow-panel/last-run/use-last-run.ts

@@ -300,6 +300,12 @@ const useLastRun = <T>({
     if(!isValid)
       return
     const vars = singleRunParams?.getDependentVars?.()
+    // TODO human input
+    if (singleRunParams?.generatedFormContentData) {
+      singleRunParams?.handleShowGeneratedForm()
+      showSingleRun()
+      return
+    }
     // no need to input params
     if (isAggregatorNode ? checkAggregatorVarsSet(vars) : isAllVarsHasValue(vars)) {
       callRunApi({}, async () => {

web/app/components/workflow/nodes/human-input/components/single-run-form.tsx

@@ -14,6 +14,7 @@ type Props = {
   formContent: string
   inputFields: GeneratedFormInputItem[]
   userActions: UserAction[]
+  showBackButton?: boolean
   handleBack?: () => void
 }
 
@@ -22,6 +23,7 @@ const FormContent = ({
   formContent,
   inputFields,
   userActions,
+  showBackButton,
   handleBack,
 }: Props) => {
   const { t } = useTranslation()
@@ -72,7 +74,7 @@ const FormContent = ({
 
   return (
     <>
-      {inputFields.length > 0 && (
+      {showBackButton && (
         <div className='flex items-center p-4 pb-1'>
           <div className='system-sm-semibold-uppercase flex cursor-pointer items-center text-text-accent' onClick={handleBack}>
             <RiArrowLeftLine className='mr-1 h-4 w-4' />

web/app/components/workflow/nodes/human-input/use-single-run-form-params.ts

@@ -75,6 +75,7 @@ const useSingleRunFormParams = ({
         formContent: inputs.form_content,
         inputFields: formContentOutputFields,
         userActions: inputs.user_actions,
+        showBackButton: false,
       }
     }
     else {
@@ -89,6 +90,7 @@ const useSingleRunFormParams = ({
         formContent: newContent,
         inputFields: formContentOutputFields,
         userActions: inputs.user_actions,
+        showBackButton: true,
       }
     }
   }, [inputs.form_content, inputs.user_actions, submittedData, formContentOutputFields])