feat: P5-W3 본론 완료 — 회계결산/이상치예측/연말명세서 (V74~V78)

P5-W2 원천세·부가세 분기신고 미커밋분 + P5-W3 메뉴/권한 보강(V74) + P5-W3 본론(V75~V78)을 일괄 정리.

- V75 accounting_close / account_balance_snapshot (회계 결산)
- V76 retention_anomaly_alert / forecast_kpi_monthly (이상치·예측 KPI)
- V77 year_end_statement (연말 지급명세서)
- V78 P5-W3 본론 메뉴 4 + 권한 + 공통코드 7그룹 + 테스트데이터
- api: AccountingClose/YearEndStatement/ForecastKpi/RetentionAnomaly Service+Controller
- batch: BatchConfig Step 11/12 (원천세·부가세 분기) 연결
- frontend: 4화면(AccountingClose/YearEndStatement/RetentionAnomaly/ForecastKpi) + API 모듈 4 + 라우트
- frontend: usePermission/PermissionButton EXECUTE 권한 누락 보강
- fix: YearEndStatementMapper.xml 미존재 컬럼 a.agent_code 참조 제거

통합검증: Flyway V74~V78 운영DB 적용(v78), 4모듈 compileJava + 프론트 build PASS,
스모크 GET 8/8 + 쓰기 4/4 PASS, verify_v74.py 20/20 PASS.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

ga-frontend/src/pages/settle/CommissionDispute.tsx

@@ -379,7 +379,7 @@ export default function CommissionDispute() {
               <InputNumber
                 style={{ width: '100%' }}
                 formatter={(v) => `${v}`.replace(/\B(?=(\d{3})+(?!\d))/g, ',')}
-                parser={(v) => Number(v?.replace(/,/g, '') ?? 0)}
+                parser={(v) => Number(v?.replace(/,/g, '') ?? 0) as unknown as 0}
                 placeholder="이의금액"
                 min={0}
               />
@@ -388,7 +388,7 @@ export default function CommissionDispute() {
               <InputNumber
                 style={{ width: '100%' }}
                 formatter={(v) => `${v}`.replace(/\B(?=(\d{3})+(?!\d))/g, ',')}
-                parser={(v) => Number(v?.replace(/,/g, '') ?? 0)}
+                parser={(v) => Number(v?.replace(/,/g, '') ?? 0) as unknown as 0}
                 placeholder="청구금액"
                 min={0}
               />

ga-frontend/src/pages/settle/DeductionList.tsx

@@ -305,7 +305,7 @@ export default function DeductionList() {
             rules={[
               { required: true, message: '금액을 입력하세요' },
               {
-                validator: (_, v) =>
+                validator: (_: unknown, v: number) =>
                   v === undefined || v === null || v > 0
                     ? Promise.resolve()
                     : Promise.reject(new Error('금액은 양수여야 합니다')),

ga-frontend/src/pages/settle/IncentiveProgram.tsx

@@ -456,7 +456,7 @@ export default function IncentiveProgram() {
               <InputNumber
                 style={{ width: '100%' }}
                 formatter={(v) => `${v}`.replace(/\B(?=(\d{3})+(?!\d))/g, ',')}
-                parser={(v) => Number(v?.replace(/,/g, '') ?? 0)}
+                parser={(v) => Number(v?.replace(/,/g, '') ?? 0) as unknown as 0}
                 placeholder="고정 지급액"
                 min={0}
                 addonAfter="원"
@@ -468,7 +468,7 @@ export default function IncentiveProgram() {
             <InputNumber
               style={{ width: '100%' }}
               formatter={(v) => `${v}`.replace(/\B(?=(\d{3})+(?!\d))/g, ',')}
-              parser={(v) => Number(v?.replace(/,/g, '') ?? 0)}
+              parser={(v) => Number(v?.replace(/,/g, '') ?? 0) as unknown as 0}
               placeholder="예산 (선택)"
               min={0}
               addonAfter="원"

ga-frontend/src/pages/settle/TaxInvoiceList.tsx

@@ -323,7 +323,7 @@ export default function TaxInvoiceList() {
               <InputNumber
                 style={{ width: '100%' }}
                 formatter={(v) => `${v}`.replace(/\B(?=(\d{3})+(?!\d))/g, ',')}
-                parser={(v) => Number(v?.replace(/,/g, '') ?? 0)}
+                parser={(v) => Number(v?.replace(/,/g, '') ?? 0) as unknown as 0}
                 placeholder="공급가액"
                 min={0}
               />
@@ -337,7 +337,7 @@ export default function TaxInvoiceList() {
               <InputNumber
                 style={{ width: '100%' }}
                 formatter={(v) => `${v}`.replace(/\B(?=(\d{3})+(?!\d))/g, ',')}
-                parser={(v) => Number(v?.replace(/,/g, '') ?? 0)}
+                parser={(v) => Number(v?.replace(/,/g, '') ?? 0) as unknown as 0}
                 placeholder="세액"
                 min={0}
               />