fix: merge后14个测试修复+前端TS编译修复 - 895/895通过+前端零错误

frontend/src/pages/InstanceGroupPage.tsx

@@ -1,8 +1,8 @@
 import { useState, useEffect, useCallback, useMemo } from 'react';
 import {
   Plus, Search, Edit2, Trash2, Server, Users, ChevronRight, X,
-  XCircle, Shield, Grid3x3, BarChart3, Clock, CheckCircle2,
-  Database, HardDrive, Cpu, Activity, Filter, RotateCcw, ChevronDown,
+  Shield, Grid3x3, Clock, CheckCircle2,
+  Database, HardDrive, Activity,
 } from 'lucide-react';
 import { Card, CardContent } from '@/components/ui/card';
 import { instanceGroupApi, type InstanceGroup } from '@/api/instanceGroup';