接单平台分类管理完善：抢单大厅分类筛选与分类 CRUD

- 抢单大厅新增分类 Tab 筛选（仅显示启用分类，支持按分类查询工单）
- 管理端分类面板支持编辑、启用/停用切换、删除（被工单/规则引用时禁止删除）
- 后端工单列表支持 categoryId 筛选，大厅接口返回分类列表

apps/frontend/src/services/admin/worker-platform.ts

@@ -1,4 +1,4 @@
-import { apiGet, apiPost } from '@/lib/http'
+import { apiDelete, apiGet, apiPost } from '@/lib/http'
 import type {
   WorkCategory,
   WorkOrder,
@@ -43,6 +43,12 @@ export function saveAdminWorkCategory(payload: {
   )
 }
 
+export function deleteAdminWorkCategory(categoryId: number) {
+  return apiDelete<{ deleted: boolean }>(
+    `/api/v1/admin/worker-platform/categories/${categoryId}`,
+  )
+}
+
 export function saveAdminWorkerLevel(payload: {
   levelKey: string
   name: string

apps/frontend/src/services/worker.ts

@@ -4,6 +4,7 @@ import type {
   UploadedFile,
   WorkOrder,
   WorkerFinanceRequest,
+  WorkerHallOrdersResponse,
   WorkerListResponse,
   WorkerLoginResponse,
   WorkerProfileResponse,
@@ -92,7 +93,7 @@ export function changeWorkerPassword(payload: {
 }
 
 export function fetchWorkerHallOrders(params?: Record<string, unknown>) {
-  return apiGet<WorkerListResponse<WorkOrder>>(
+  return apiGet<WorkerHallOrdersResponse>(
     '/api/v1/worker/hall/orders',
     params,
   )