feat(frontend): 绩效台账与月度结算两页接入（新组绩效工资）

- 绩效台账页（order17）：月/版本筛选 + 行展开计算快照 + 重算（原因
  对话框，管理员/财务）；核算入口在回款管理页（每笔回款行内触发）
- 月结页（order18）：生成快照（月份输入）+ 状态筛选 + 提交审批 +
  详情抽屉（按人明细三口径/试用期说明/审批单号关联）
- 均复用 usePagedList/AppPagination/--ys-* 惯例；金额 str 直出
- type-check 零错误；build 通过

Co-Authored-By: Claude Code <noreply@anthropic.com>

frontend/src/api/calc.ts

@@ -0,0 +1,70 @@
+import request from './request'
+import type { PageData } from './types'
+
+/** 绩效台账行（金额/比例一律 str） */
+export interface LedgerRow {
+  id: number
+  receipt_id: number | null
+  calc_version: number
+  is_active: number
+  calc_type: number
+  business_id: number
+  business_no: string
+  personnel_id: number
+  personnel_name: string
+  role_code: string
+  customer_type: string
+  product_category: string
+  ship_date: string | null
+  receipt_date: string
+  payment_days: number | null
+  rate_text: string
+  converted_profit: string | null
+  performance_amount: string | null
+  barter_applied: number
+  weight_r: number | null
+  payment_weight: string | null
+  payable_amount: string | null
+  settlement_month: string
+  is_probation: number
+  missing_cost: number
+  snapshot_json: Record<string, unknown> | null
+  calc_reason: string | null
+}
+
+export interface LedgerQueryParams {
+  pageNum?: number
+  pageSize?: number
+  settlement_month?: string
+  personnel_id?: number
+  business_id?: number
+  is_active?: number
+  calc_type?: number
+}
+
+export function listLedger(params: LedgerQueryParams): Promise<PageData<LedgerRow>> {
+  return request({ url: '/v1/calc/ledger', method: 'get', params })
+}
+
+export function getLedger(id: number): Promise<LedgerRow> {
+  return request({ url: `/v1/calc/ledger/${id}`, method: 'get' })
+}
+
+/** 核算回款：返回台账行 + repeated（业务级一次性计提标记） */
+export function calcReceipt(receiptId: number): Promise<{ ledger: LedgerRow; repeated: boolean }> {
+  return request({ url: `/v1/calc/receipts/${receiptId}/calc`, method: 'post' })
+}
+
+export function recalcReceipt(receiptId: number, reason: string): Promise<LedgerRow> {
+  return request({
+    url: `/v1/calc/receipts/${receiptId}/recalc`,
+    method: 'post',
+    data: { reason },
+  })
+}
+
+export function batchCalc(receiptIds: number[]): Promise<
+  { receipt_id: number; ok: boolean; repeated?: boolean; error?: string }[]
+> {
+  return request({ url: '/v1/calc/batch', method: 'post', data: { receipt_ids: receiptIds } })
+}