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/TicketsPage.tsx

@@ -1,9 +1,9 @@
 import { useState, useEffect, useCallback, useMemo } from 'react';
 import {
   Plus, Search, Eye, CheckCircle, XCircle, Play, RotateCcw,
-  ChevronRight, FileCode, History, Undo2, XCircle as XIcon,
+  FileCode, History, Undo2, XCircle as XIcon,
   Clock, AlertTriangle, AlertCircle, Info, ChevronLeft,
-  Download, Filter, X, Loader2, BarChart3, Users, Calendar,
+  Filter, X, Loader2, Users, Calendar,
   CheckSquare, Square, ArrowUpDown, FileDown, Ban,
 } from 'lucide-react';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
@@ -540,6 +540,7 @@ export default function TicketsPage() {
                             ? <CheckSquare className="w-4 h-4 text-blue-400" />
                             : <Square className="w-4 h-4 text-[var(--dg-text-muted)]" />
                         }
+                        </button>
                       </th>
                       <th className="text-left px-4 py-3 font-semibold">工单号</th>
                       <th className="text-left px-4 py-3 font-semibold">标题</th>