refactor(ui): rename agents to assistantPresets for consistency

Update route paths, i18n keys and tab identifiers to use 'assistantPresets' instead of 'agents'
Add new agents tab component while maintaining backward compatibility

src/renderer/src/components/Tab/TabContainer.tsx

@@ -58,7 +58,7 @@ const getTabIcon = (tabId: string, minapps: any[]): React.ReactNode | undefined
   switch (tabId) {
     case 'home':
       return <Home size={14} />
-    case 'agents':
+    case 'assistantPresets':
       return <Sparkle size={14} />
     case 'translate':
       return <Languages size={14} />

src/renderer/src/i18n/label.ts

@@ -125,7 +125,8 @@ export const getRestoreProgressLabel = (key: string): string => {
 }
 
 const titleKeyMap = {
-  agents: 'title.agents',
+  // TODO: update i18n key
+  assistantPresets: 'title.agents',
   apps: 'title.apps',
   code: 'title.code',
   files: 'title.files',

src/renderer/src/pages/home/Tabs/index.tsx

@@ -9,6 +9,7 @@ import { FC, useEffect, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import styled from 'styled-components'
 
+import { AgentsTab as Agents } from './AgentsTab'
 import Assistants from './AssistantsTab'
 import Settings from './SettingsTab'
 import Topics from './TopicsTab'
@@ -23,7 +24,7 @@ interface Props {
   style?: React.CSSProperties
 }
 
-type Tab = 'assistants' | 'topic' | 'settings'
+type Tab = 'assistants' | 'topic' | 'settings' | 'agents' | 'sessions'
 
 let _tab: any = ''
 
@@ -107,6 +108,9 @@ const HomeTabs: FC<Props> = ({
           <TabItem active={tab === 'assistants'} onClick={() => setTab('assistants')}>
             {t('assistants.abbr')}
           </TabItem>
+          <TabItem active={tab === 'agents'} onClick={() => setTab('agents')}>
+            {t('agents.title')}
+          </TabItem>
           <TabItem active={tab === 'topic'} onClick={() => setTab('topic')}>
             {t('common.topics')}
           </TabItem>
@@ -136,6 +140,7 @@ const HomeTabs: FC<Props> = ({
             onCreateDefaultAssistant={onCreateDefaultAssistant}
           />
         )}
+        {tab === 'agents' && <Agents />}
         {tab === 'topic' && (
           <Topics
             assistant={activeAssistant}

src/renderer/src/pages/launchpad/LaunchpadPage.tsx

@@ -37,7 +37,7 @@ const LaunchpadPage: FC = () => {
     {
       icon: <Sparkle size={32} className="icon" />,
       text: t('title.agents'),
-      path: '/agents',
+      path: '/assistantPresets',
       bgColor: 'linear-gradient(135deg, #6366F1, #4F46E5)' // AI助手：靛蓝渐变，代表智能和科技
     },
     {