fix: 提成奖金、证据链条、风险中心姓名显示身份证号

后端：
- commission-bonus.service.ts: listByMonth 查询加上 idCardNumber 并解密
- evidence.service.ts: getEvidenceList 加上 idCardNumber 并解密返回 employeeIdCardNumber
- roster.routes.ts: 证据链接口返回 employee.idCardNumber，Excel 导出加上身份证号

前端：
- CommissionBonus.tsx: 列表姓名下显示身份证号，下拉选项和编辑弹窗也加上
- EvidenceChain.tsx: 两处姓名显示加上身份证号，文本导出加上身份证号
- Evidence.tsx: 证据链列表页姓名后显示身份证号

frontend/src/pages/CommissionBonus.tsx

@@ -171,7 +171,10 @@ export default function CommissionBonus() {
               <tr><td colSpan={5} className="px-4 py-8 text-center text-gray-400">{month} 无提成奖金记录</td></tr>
             ) : paged.map((r: any) => (
               <tr key={r.id} className="hover:bg-gray-50">
-                <td className="px-4 py-2.5 text-sm text-gray-900">{r.employee?.name || '-'}</td>
+                <td className="px-4 py-2.5 text-sm text-gray-900">
+                  {r.employee?.name || '-'}
+                  {r.employee?.idCardNumber && <div className="text-xs text-gray-400 font-mono">{r.employee.idCardNumber}</div>}
+                </td>
                 <td className="px-4 py-2.5 text-sm text-gray-500">{r.employee?.department || '-'}</td>
                 <td className={`px-4 py-2.5 text-sm text-right font-medium ${r.amount >= 0 ? 'text-safe' : 'text-danger'}`}>
                   {r.amount >= 0 ? '+' : ''}{fmt(r.amount)}
@@ -241,7 +244,7 @@ function AddModal({ employees, month, onClose, onSubmit, saving }: {
           <Select value={employeeId} onChange={(e) => setEmployeeId(e.target.value)}>
             <option value="">请选择员工</option>
             {employees.map((e: any) => (
-              <option key={e.id} value={e.id}>{e.name}（{e.department}）</option>
+              <option key={e.id} value={e.id}>{e.name}（{e.department}）{e.idCardNumber ? ` ${e.idCardNumber}` : ''}</option>
             ))}
           </Select>
         </div>
@@ -281,7 +284,7 @@ function EditModal({ record, onClose, onSubmit, saving }: {
   const [remark, setRemark] = useState(record.remark || '')
 
   return (
-    <Modal open onClose={onClose} title={`编辑 - ${record.employee?.name || ''}`} size="md">
+    <Modal open onClose={onClose} title={`编辑 - ${record.employee?.name || ''}${record.employee?.idCardNumber ? `（${record.employee.idCardNumber}）` : ''}`} size="md">
       <div className="space-y-4">
         <div>
           <Label>金额 *（正=奖金，负=扣款）</Label>