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.service.ts

@@ -13,6 +13,7 @@ import { parseBigIntParam } from '../../common/parse-bigint';
 import { AnalyticsService } from '../analytics/analytics.service';
 import { PartnerCityService } from '../city-scope/partner-city.service';
 import { AuthService } from '../iam/auth.service';
+import { StoreCategoryService } from './store-category.service';
 
 @Injectable()
 export class StoreService {
@@ -23,6 +24,7 @@ export class StoreService {
     private readonly analyticsService: AnalyticsService,
     private readonly partnerCityService: PartnerCityService,
     private readonly authService: AuthService,
+    private readonly storeCategoryService: StoreCategoryService,
   ) {}
 
   async listOpenStores(cityCode?: string) {
@@ -172,11 +174,17 @@ export class StoreService {
     const bankAccountNo = body.bankAccountNo ? String(body.bankAccountNo) : null;
     const bankBranch = body.bankBranch ? String(body.bankBranch) : null;
 
+    if (!body.categoryId) {
+      throw new BadRequestException('请选择店铺类型');
+    }
+    const categoryId = parseBigIntParam(body.categoryId, '分类ID');
+    await this.storeCategoryService.assertLeafCategoryId(categoryId);
+
     const store = await this.prisma.store.create({
       data: {
         cityId: city.id,
         partnerAccountId: primaryId,
-        categoryId: body.categoryId ? parseBigIntParam(body.categoryId, '分类ID') : null,
+        categoryId,
         name: String(body.name),
         phone: normalizedPhone,
         province: String(body.province ?? city.province ?? '河南省'),