feat(store): add two-level store categories for admin and partner open-store

Admin CRUD under stores menu; partner picks leaf category on create.
Default sync only inserts missing rows and never updates existing ones.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/dukang-api/src/modules/store/store.module.ts

@@ -4,9 +4,11 @@ import { RedeemModule } from '../redeem/redeem.module';
 import { AnalyticsModule } from '../analytics/analytics.module';
 import { CityScopeModule } from '../city-scope/city-scope.module';
 import { StoreService } from './store.service';
+import { StoreCategoryService } from './store-category.service';
 import {
   PartnerDashboardController,
   PartnerReportController,
+  PartnerStoreCategoriesController,
   PartnerStoreController,
   PublicStoreController,
   ShopDashboardController,
@@ -17,13 +19,14 @@ import {
   imports: [IamModule, AnalyticsModule, CityScopeModule, forwardRef(() => RedeemModule)],
   controllers: [
     PublicStoreController,
+    PartnerStoreCategoriesController,
     PartnerStoreController,
     PartnerDashboardController,
     PartnerReportController,
     ShopStoreController,
     ShopDashboardController,
   ],
-  providers: [StoreService],
-  exports: [StoreService],
+  providers: [StoreService, StoreCategoryService],
+  exports: [StoreService, StoreCategoryService],
 })
 export class StoreModule {}