fix: update placeholder handling in ContentItem and remove unused error messages from HumanInputNode

web/app/components/base/chat/chat/answer/human-input-content/content-item.tsx

@@ -31,9 +31,11 @@ const ContentItem = ({
   }, [formInputFields, fieldName])
 
   const placeholder = useMemo(() => {
-    return formInputField?.placeholder.type === 'variable'
-      ? resolvedPlaceholderValues?.[fieldName]
-      : formInputField?.placeholder.value
+    if (!formInputField)
+      return ''
+    return formInputField.placeholder.type === 'variable'
+      ? resolvedPlaceholderValues?.[fieldName] || ''
+      : formInputField.placeholder.value
   }, [formInputField, resolvedPlaceholderValues, fieldName])
 
   if (!isInputField(content)) {

web/app/components/workflow/nodes/human-input/default.ts

@@ -2,7 +2,6 @@ import type { NodeDefault, Var } from '../../types'
 import type { HumanInputNodeType } from './types'
 import { BlockClassificationEnum } from '@/app/components/workflow/block-selector/types'
 import { BlockEnum, VarType } from '@/app/components/workflow/types'
-// import { DeliveryMethodType, UserActionButtonType } from './types'
 import { genNodeMetaData } from '@/app/components/workflow/utils'
 
 const i18nPrefix = 'nodes.humanInput.errorMsg'
@@ -40,15 +39,6 @@ const nodeDefault: NodeDefault<HumanInputNodeType> = {
     if (!errorMessages && payload.delivery_methods.length > 0 && !payload.delivery_methods.some(method => method.enabled))
       errorMessages = t(`${i18nPrefix}.noDeliveryMethodEnabled`, { ns: 'workflow' })
 
-    if (!errorMessages && !payload.form_content)
-      errorMessages = t(`${i18nPrefix}.noFormContent`, { ns: 'workflow' })
-
-    if (!errorMessages && payload.form_content) {
-      const regex = /\{\{#\$output\.[^#]+#\}\}/
-      if (!regex.test(payload.form_content))
-        errorMessages = t(`${i18nPrefix}.noFormInputField`, { ns: 'workflow' })
-    }
-
     if (!errorMessages && !payload.user_actions.length)
       errorMessages = t(`${i18nPrefix}.noUserActions`, { ns: 'workflow' })
 

web/i18n/en-US/workflow.json

@@ -558,8 +558,6 @@
   "nodes.humanInput.editor.previewTip": "In preview mode, action buttons are not functional.",
   "nodes.humanInput.errorMsg.noDeliveryMethod": "Please select at least one delivery method",
   "nodes.humanInput.errorMsg.noDeliveryMethodEnabled": "Please enable at least one delivery method",
-  "nodes.humanInput.errorMsg.noFormContent": "Please add form content",
-  "nodes.humanInput.errorMsg.noFormInputField": "Please add at least one form input field",
   "nodes.humanInput.errorMsg.noUserActions": "Please add at least one user action",
   "nodes.humanInput.formContent.hotkeyTip": "Press <Key/> to insert variable, <CtrlKey/><Key/> to insert input field",
   "nodes.humanInput.formContent.preview": "Preview",

web/i18n/zh-Hans/workflow.json

@@ -558,8 +558,6 @@
   "nodes.humanInput.editor.previewTip": "在预览模式下，操作按钮无法使用。",
   "nodes.humanInput.errorMsg.noDeliveryMethod": "请至少选择一种提交方式",
   "nodes.humanInput.errorMsg.noDeliveryMethodEnabled": "请至少启用一种提交方式",
-  "nodes.humanInput.errorMsg.noFormContent": "请添加表单内容",
-  "nodes.humanInput.errorMsg.noFormInputField": "请至少添加一个表单输入字段",
   "nodes.humanInput.errorMsg.noUserActions": "请添加至少一个用户操作",
   "nodes.humanInput.formContent.hotkeyTip": "按 <Key/> 插入变量，按 <CtrlKey/><Key/> 插入输入字段",
   "nodes.humanInput.formContent.preview": "预览",