feat(wm-revenue): #54 客服工作台+水费查询+语音自助

- Entity: CsWorkItem, VoiceCallRecord
- DTO: CsWorkbenchStats, BillQueryResult, VoiceMenuResponse
- Mapper: CsWorkItemMapper, VoiceCallRecordMapper
- Service: CsWorkbenchService, BillQueryService, VoiceQueryService
- Controller: CsWorkbenchController(9端点), BillQueryController(5端点), VoiceController(7端点)
- DDL: V_cs_workbench.sql (2表+索引)
- Test: CsWorkbenchTest (10个测试用例)

frontend/src/api/wx-hall.ts

@@ -0,0 +1,85 @@
+import request from './request'
+
+const BASE = '/wx-hall'
+
+// ========== 水费查询缴费 ==========
+
+export function getBillList(params: {
+  customerNo: string
+  billPeriod?: string
+  status?: string
+  pageNum?: number
+  pageSize?: number
+}) {
+  return request.get(`${BASE}/bill/list`, { params })
+}
+
+export function getBillDetail(billId: number) {
+  return request.get(`${BASE}/bill/${billId}`)
+}
+
+export function payBill(data: { billId: number; amount: number }) {
+  return request.post(`${BASE}/bill/pay`, data)
+}
+
+export function getPaymentRecords(params: { customerNo: string; limit?: number }) {
+  return request.get(`${BASE}/bill/payment-records`, { params })
+}
+
+// ========== 报装申请 ==========
+
+export function submitInstallApply(data: {
+  name: string
+  phone: string
+  area: string
+  address: string
+  customerType?: string
+  caliber?: string
+}) {
+  return request.post(`${BASE}/install/apply`, data)
+}
+
+export function getInstallProgress(applyNo: string) {
+  return request.get(`${BASE}/install/progress`, { params: { applyNo } })
+}
+
+export function getInstallList(params: { phone: string; limit?: number }) {
+  return request.get(`${BASE}/install/list`, { params })
+}
+
+// ========== 停水公告 ==========
+
+export function getNoticeList(params: {
+  page?: number
+  size?: number
+  type?: string
+  keyword?: string
+}) {
+  return request.get(`${BASE}/notice/list`, { params })
+}
+
+export function getNoticeDetail(id: number) {
+  return request.get(`${BASE}/notice/${id}`)
+}
+
+export function getActiveNotices(areaCode?: string) {
+  return request.get(`${BASE}/notice/active`, { params: { areaCode } })
+}
+
+// ========== 用户绑定 ==========
+
+export function bindPhone(data: { openId: string; phone: string }) {
+  return request.post(`${BASE}/user/bindPhone`, data)
+}
+
+export function bindCustomer(data: { openId: string; customerNo: string }) {
+  return request.post(`${BASE}/user/bindCustomer`, data)
+}
+
+export function unbind(data: { openId: string; bindingId: string }) {
+  return request.post(`${BASE}/user/unbind`, data)
+}
+
+export function getBindings(openId: string) {
+  return request.get(`${BASE}/user/bindings`, { params: { openId } })
+}