v4.0.9版本更新-门店分类支持多选

server/dukang-api/prisma/schema.prisma

@@ -1000,12 +1000,29 @@ model CommonStoreCategory {
   parent   CommonStoreCategory?  @relation("StoreCategoryTree", fields: [parentId], references: [id], onDelete: Restrict)
   children CommonStoreCategory[] @relation("StoreCategoryTree")
   stores   Store[]
+  storeLinks StoreCategoryLink[]
 
   @@index([parentId, sort])
   @@index([status])
   @@map("common_store_category")
 }
 
+/// 门店 ↔ 二级分类多对多；store.category_id 保留主分类（排序第一）
+model StoreCategoryLink {
+  id         BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
+  storeId    BigInt   @map("store_id") @db.UnsignedBigInt
+  categoryId BigInt   @map("category_id") @db.UnsignedBigInt
+  priority   Int      @default(0)
+  createdAt  DateTime @default(now()) @map("created_at") @db.DateTime(3)
+
+  store    Store               @relation(fields: [storeId], references: [id], onDelete: Cascade)
+  category CommonStoreCategory @relation(fields: [categoryId], references: [id], onDelete: Cascade)
+
+  @@unique([storeId, categoryId])
+  @@index([categoryId])
+  @@map("store_category_link")
+}
+
 model CommonPromoCode {
   id               BigInt          @id @default(autoincrement()) @db.UnsignedBigInt
   code             String          @unique @db.VarChar(32)
@@ -1542,6 +1559,7 @@ model Store {
   packages             StorePackage[]
   packageChangeRequests StorePackageChangeRequest[]
   infoChangeRequests    StoreInfoChangeRequest[]
+  categoryLinks        StoreCategoryLink[]
 
   @@index([cityId, status])
   @@index([partnerAccountId])