feat(store): 门店可见白名单（对齐商品）

HQ 可配置 visibilityWhitelistEnabled + 手机号；C 端公开门店列表/详情按登录手机号过滤；登录态变化后小程序重新拉门店列表。

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

server/dukang-api/prisma/schema.prisma

@@ -1062,6 +1062,8 @@ model Store {
   openTime2       String?     @map("open_time_2") @db.VarChar(8)
   closeTime2      String?     @map("close_time_2") @db.VarChar(8)
   settlementRate  Decimal     @default(0.60) @map("settlement_rate") @db.Decimal(5, 4)
+  /// Online test: only listed phones can see store on C-end when enabled
+  visibilityWhitelistEnabled Boolean @default(false) @map("visibility_whitelist_enabled")
   createdAt       DateTime    @default(now()) @map("created_at") @db.DateTime(3)
   updatedAt       DateTime    @updatedAt @map("updated_at") @db.DateTime(3)
 
@@ -1075,6 +1077,7 @@ model Store {
   ratings              StoreRating[]
   payouts              StorePayout[]
   storeBills           StoreBill[]
+  visibilityPhones     StoreVisibilityPhone[]
 
   @@index([cityId, status])
   @@index([partnerAccountId])
@@ -1082,6 +1085,20 @@ model Store {
   @@map("store_store")
 }
 
+/// Store visibility whitelist phones (match by bound user phone)
+model StoreVisibilityPhone {
+  id        BigInt   @id @default(autoincrement()) @db.UnsignedBigInt
+  storeId   BigInt   @map("store_id") @db.UnsignedBigInt
+  phone     String   @db.VarChar(20)
+  createdAt DateTime @default(now()) @map("created_at") @db.DateTime(3)
+
+  store Store @relation(fields: [storeId], references: [id], onDelete: Cascade)
+
+  @@unique([storeId, phone])
+  @@index([phone])
+  @@map("store_visibility_phone")
+}
+
 model StoreAccount {
   id              BigInt          @id @default(autoincrement()) @db.UnsignedBigInt
   phone           String          @unique @db.VarChar(20)