feat: [approval] 전자결재 모듈 대폭 개선 + 회계 리팩토링

- 전자결재: 다양식 지원(11종), 완료함, 동적폼 렌더러, QA 보고서
- 회계: 계정과목 검색모달 리팩토링, 거래처/세금계산서 개선
- HR: 근태/휴가/직원 소소한 수정
- vehicle/quality/pricing 마이너 수정
- approval_backup_v1 백업 보관

src/components/quality/EquipmentRepair/RepairForm.tsx

@@ -13,6 +13,7 @@ import { useMenuStore } from '@/stores/menuStore';
 import { Button } from '@/components/ui/button';
 import { Card, CardContent } from '@/components/ui/card';
 import { FormField } from '@/components/molecules/FormField';
+import { CurrencyInput } from '@/components/ui/currency-input';
 import { Label } from '@/components/ui/label';
 import { Textarea } from '@/components/ui/textarea';
 import {
@@ -198,12 +199,14 @@ export function RepairForm() {
 
           {/* Row 4: 수리비용 | 외주업체 | 수리자 */}
           <div className="grid grid-cols-1 md:grid-cols-3 gap-4">
-            <FormField
-              label="수리비용 (원)"
-              type="number"
-              value={formData.cost}
-              onChange={(v) => handleChange('cost', v)}
-            />
+            <div className="space-y-2">
+              <Label className="text-sm font-medium">수리비용 (원)</Label>
+              <CurrencyInput
+                value={formData.cost ? Number(formData.cost) : undefined}
+                onChange={(v) => handleChange('cost', v ? String(v) : '')}
+                showCurrency={false}
+              />
+            </div>
             <FormField
               label="외주업체"
               value={formData.vendor}