🐛 fix message text size and add tool source tag

Author: Phinease

frontend/app/chat/streaming/chatStreamFinalMessage.tsx

@@ -211,7 +211,7 @@ export function ChatStreamFinalMessage({
 
             {/* Text content */}
             {message.content && (
-              <div className="rounded-lg border bg-blue-50 border-blue-100 user-message-container px-3 ml-auto text-sm">
+              <div className="rounded-lg border bg-blue-50 border-blue-100 user-message-container px-3 ml-auto text-normal">
                 <div className="user-message-content whitespace-pre-wrap py-2">
                   {message.content}
                 </div>

frontend/app/chat/streaming/chatStreamMessage.tsx

@@ -134,7 +134,7 @@ export function ChatStreamMessage({
 
             {/* Text content */}
             {message.content && (
-              <div className="rounded-lg border bg-blue-50 border-blue-100 user-message-container py-2 px-3 ml-auto text-sm">
+              <div className="rounded-lg border bg-blue-50 border-blue-100 user-message-container py-2 px-3 ml-auto text-normal">
                 <div className="user-message-content whitespace-pre-wrap">{message.content}</div>
               </div>
             )}

frontend/app/setup/agentSetup/AgentManagementConfig.tsx

@@ -1,7 +1,7 @@
 "use client"
 
 import { useState, useEffect, useMemo, useCallback, memo } from 'react'
-import { Typography, Input, Button, Switch, Modal, message, Select, InputNumber } from 'antd'
+import { Typography, Input, Button, Switch, Modal, message, Select, InputNumber, Tag } from 'antd'
 import { SettingOutlined } from '@ant-design/icons'
 import ToolConfigModal from './components/ToolConfigModal'
 import AgentModalComponent from './components/AgentModal'
@@ -288,12 +288,9 @@ function ToolPool({
         <div className="flex items-center h-full">
           <div className="flex-1 overflow-hidden">
             <div className="font-medium text-sm truncate" title={tool.name}>{tool.name}</div>
-            <div 
-              className="text-xs text-gray-500 line-clamp-2" 
-              title={tool.description}
-            >
-              {tool.description}
-            </div>
+            <Tag color={tool?.source === 'mcp' ? 'blue' : 'green'} className="mt-3">
+              {tool?.source === 'mcp' ? 'MCP' : '本地工具'}
+            </Tag>
           </div>
           <button 
             type="button"