feat(home): add help center quick operation link

- Add helpCenter.svg and helpCenter_active.svg menu icons for help center navigation
- Add "Help Center" translation strings to English and Chinese i18n files
- Update QuickOperation component to include help center as fourth quick operation
- Implement external link handler that opens help documentation based on current language (zh or en)
- Change grid layout from 3 columns to 4 columns to accommodate new help center card
- Add file header documentation to QuickOperation component
- Help center link redirects to https://docs.redbearai.com/s/{lang}-memorybear with language-specific routing

web/src/views/Home/components/QuickOperation.tsx

@@ -1,3 +1,11 @@
+/*
+ * @Description: 
+ * @Version: 0.0.1
+ * @Author: yujiangping
+ * @Date: 2026-01-05 17:22:23
+ * @LastEditors: yujiangping
+ * @LastEditTime: 2026-01-15 14:55:51
+ */
 import { type FC } from 'react'
 import { useTranslation } from 'react-i18next'
 import { useNavigate } from 'react-router-dom';
@@ -5,33 +13,49 @@ import Card from './Card';
 import applicationIcon from '@/assets/images/menu/application_active.svg';
 import knowledgeIcon from '@/assets/images/menu/knowledge_active.svg';
 import memoryConversationIcon from '@/assets/images/menu/memoryConversation_active.svg';
+import helpCenterIcon from '@/assets/images/menu/helpCenter_active.svg'
 import arrowTopRight from '@/assets/images/home/arrow_top_right.svg';
 
 const quickOperations = [
   { key: 'createNewApplication', url: '/application' },
   { key: 'createNewKnowledge', url: '/knowledge-base' },
   { key: 'memoryConversation', url: '/memory-conversation' },
+  { key: 'helpCenter', url: '' },
 ]
 
 const quickOperationIcons: {[key: string]: string | undefined} = {
   createNewApplication: applicationIcon,
   createNewKnowledge: knowledgeIcon,
   memoryConversation: memoryConversationIcon,
+  helpCenter: helpCenterIcon
 }
 const QuickOperation:FC = () => {
-  const { t } = useTranslation()
+  const { t, i18n } = useTranslation()
   const navigate = useNavigate();
 
   const handleJump = (url: string | null) => {
     if (url) {
       navigate(url)
+    }else{
+      const currentLang = i18n.language;
+      const lang = currentLang === 'zh' ? 'zh' : 'en';
+      const helpUrl = `https://docs.redbearai.com/s/${lang}-memorybear`;
+      
+      // 创建隐藏的 a 标签来避免弹窗拦截
+      const link = document.createElement('a');
+      link.href = helpUrl;
+      link.target = '_blank';
+      link.rel = 'noopener noreferrer';
+      document.body.appendChild(link);
+      link.click();
+      document.body.removeChild(link);
     }
   }
   return (
     <Card
       title={t('dashboard.quickOperation')}
     >
-      <div className="rb:grid rb:grid-cols-3 rb:gap-[16px]">
+      <div className="rb:grid rb:grid-cols-4 rb:gap-[16px]">
         {quickOperations.map(item => (
           <div key={item.key} className="rb:rounded-[8px] rb:p-[20px_16px] rb:border-1 rb:border-[#DFE4ED] rb:cursor-pointer rb:hover:border-[#155EEF]" onClick={() => handleJump(item.url)}>
             <div className="rb:flex rb:justify-between">