fix: 修复下拉选择问题

apps/desktop/src/components/AiAnalysisLogViewer.tsx

@@ -2,7 +2,6 @@ import React, { useState, useEffect } from 'react';
 import { invoke } from '@tauri-apps/api/core';
 import { 
   Search, 
-  Filter, 
   Download, 
   RefreshCw, 
   AlertCircle, 
@@ -10,7 +9,6 @@ import {
   Clock, 
   XCircle,
   Eye,
-  Trash2,
   RotateCcw
 } from 'lucide-react';
 import { LoadingSpinner } from './LoadingSpinner';