refactor(icons): 迁移 components 目录图标到 lucide-react

- @chakra-ui/icons → lucide-react
- react-icons → lucide-react
- 涉及 49 个组件文件

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/ChatBot/MessageBubble.js

@@ -14,7 +14,7 @@ import {
   Badge,
   VStack,
 } from '@chakra-ui/react';
-import { FiCopy, FiThumbsUp, FiThumbsDown } from 'react-icons/fi';
+import { Copy, ThumbsUp, ThumbsDown } from 'lucide-react';
 import ReactMarkdown from 'react-markdown';
 
 /**
@@ -105,21 +105,21 @@ export const MessageBubble = ({ message, isUser, onCopy, onFeedback }) => {
           {!isUser && (
             <HStack mt={2} spacing={2}>
               <IconButton
-                icon={<FiCopy />}
+                icon={<Copy />}
                 size="xs"
                 variant="ghost"
                 aria-label="复制"
                 onClick={handleCopy}
               />
               <IconButton
-                icon={<FiThumbsUp />}
+                icon={<ThumbsUp />}
                 size="xs"
                 variant="ghost"
                 aria-label="赞"
                 onClick={() => onFeedback?.('positive')}
               />
               <IconButton
-                icon={<FiThumbsDown />}
+                icon={<ThumbsDown />}
                 size="xs"
                 variant="ghost"
                 aria-label="踩"